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# Copyright (c) 2013 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Notes:
#
# This is all roughly based on the Makefile system used by the Linux
# kernel, but is a non-recursive make -- we put the entire dependency
# graph in front of make and let it figure it out.
#
# The code below generates a separate .mk file for each target, but
# all are sourced by the top-level Makefile. This means that all
# variables in .mk-files clobber one another. Be careful to use :=
# where appropriate for immediate evaluation, and similarly to watch
# that you're not relying on a variable value to last between different
# .mk files.
#
# TODOs:
#
# Global settings and utility functions are currently stuffed in the
# toplevel Makefile. It may make sense to generate some .mk files on
# the side to keep the files readable.
import os
import re
import subprocess
import gyp
import gyp.common
import gyp.xcode_emulation
from gyp.common import GetEnvironFallback
import hashlib
generator_default_variables = {
"EXECUTABLE_PREFIX": "",
"EXECUTABLE_SUFFIX": "",
"STATIC_LIB_PREFIX": "lib",
"SHARED_LIB_PREFIX": "lib",
"STATIC_LIB_SUFFIX": ".a",
"INTERMEDIATE_DIR": "$(obj).$(TOOLSET)/$(TARGET)/geni",
"SHARED_INTERMEDIATE_DIR": "$(obj)/gen",
"PRODUCT_DIR": "$(builddir)",
"RULE_INPUT_ROOT": "%(INPUT_ROOT)s", # This gets expanded by Python.
"RULE_INPUT_DIRNAME": "%(INPUT_DIRNAME)s", # This gets expanded by Python.
"RULE_INPUT_PATH": "$(abspath $<)",
"RULE_INPUT_EXT": "$(suffix $<)",
"RULE_INPUT_NAME": "$(notdir $<)",
"CONFIGURATION_NAME": "$(BUILDTYPE)",
}
# Make supports multiple toolsets
generator_supports_multiple_toolsets = gyp.common.CrossCompileRequested()
# Request sorted dependencies in the order from dependents to dependencies.
generator_wants_sorted_dependencies = False
# Placates pylint.
generator_additional_non_configuration_keys = []
generator_additional_path_sections = []
generator_extra_sources_for_rules = []
generator_filelist_paths = None
def CalculateVariables(default_variables, params):
"""Calculate additional variables for use in the build (called by gyp)."""
flavor = gyp.common.GetFlavor(params)
if flavor == "mac":
default_variables.setdefault("OS", "mac")
default_variables.setdefault("SHARED_LIB_SUFFIX", ".dylib")
default_variables.setdefault(
"SHARED_LIB_DIR", generator_default_variables["PRODUCT_DIR"]
)
default_variables.setdefault(
"LIB_DIR", generator_default_variables["PRODUCT_DIR"]
)
# Copy additional generator configuration data from Xcode, which is shared
# by the Mac Make generator.
import gyp.generator.xcode as xcode_generator
global generator_additional_non_configuration_keys
generator_additional_non_configuration_keys = getattr(
xcode_generator, "generator_additional_non_configuration_keys", []
)
global generator_additional_path_sections
generator_additional_path_sections = getattr(
xcode_generator, "generator_additional_path_sections", []
)
global generator_extra_sources_for_rules
generator_extra_sources_for_rules = getattr(
xcode_generator, "generator_extra_sources_for_rules", []
)
COMPILABLE_EXTENSIONS.update({".m": "objc", ".mm": "objcxx"})
else:
operating_system = flavor
if flavor == "android":
operating_system = "linux" # Keep this legacy behavior for now.
default_variables.setdefault("OS", operating_system)
if flavor == "aix":
default_variables.setdefault("SHARED_LIB_SUFFIX", ".a")
elif flavor == "zos":
default_variables.setdefault("SHARED_LIB_SUFFIX", ".x")
COMPILABLE_EXTENSIONS.update({".pli": "pli"})
else:
default_variables.setdefault("SHARED_LIB_SUFFIX", ".so")
default_variables.setdefault("SHARED_LIB_DIR", "$(builddir)/lib.$(TOOLSET)")
default_variables.setdefault("LIB_DIR", "$(obj).$(TOOLSET)")
def CalculateGeneratorInputInfo(params):
"""Calculate the generator specific info that gets fed to input (called by
gyp)."""
generator_flags = params.get("generator_flags", {})
android_ndk_version = generator_flags.get("android_ndk_version", None)
# Android NDK requires a strict link order.
if android_ndk_version:
global generator_wants_sorted_dependencies
generator_wants_sorted_dependencies = True
output_dir = params["options"].generator_output or params["options"].toplevel_dir
builddir_name = generator_flags.get("output_dir", "out")
qualified_out_dir = os.path.normpath(
os.path.join(output_dir, builddir_name, "gypfiles")
)
global generator_filelist_paths
generator_filelist_paths = {
"toplevel": params["options"].toplevel_dir,
"qualified_out_dir": qualified_out_dir,
}
# The .d checking code below uses these functions:
# wildcard, sort, foreach, shell, wordlist
# wildcard can handle spaces, the rest can't.
# Since I could find no way to make foreach work with spaces in filenames
# correctly, the .d files have spaces replaced with another character. The .d
# file for
# Chromium\ Framework.framework/foo
# is for example
# out/Release/.deps/out/Release/Chromium?Framework.framework/foo
# This is the replacement character.
SPACE_REPLACEMENT = "?"
LINK_COMMANDS_LINUX = """\
quiet_cmd_alink = AR($(TOOLSET)) $@
cmd_alink = rm -f $@ && $(AR.$(TOOLSET)) crs $@ $(filter %.o,$^)
quiet_cmd_alink_thin = AR($(TOOLSET)) $@
cmd_alink_thin = rm -f $@ && $(AR.$(TOOLSET)) crsT $@ $(filter %.o,$^)
# Due to circular dependencies between libraries :(, we wrap the
# special "figure out circular dependencies" flags around the entire
# input list during linking.
quiet_cmd_link = LINK($(TOOLSET)) $@
cmd_link = $(LINK.$(TOOLSET)) -o $@ $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -Wl,--start-group $(LD_INPUTS) $(LIBS) -Wl,--end-group
# Note: this does not handle spaces in paths
define xargs
$(1) $(word 1,$(2))
$(if $(word 2,$(2)),$(call xargs,$(1),$(wordlist 2,$(words $(2)),$(2))))
endef
define write-to-file
@: >$(1)
$(call xargs,@printf "%s\\n" >>$(1),$(2))
endef
OBJ_FILE_LIST := ar-file-list
define create_archive
rm -f $(1) $(1).$(OBJ_FILE_LIST); mkdir -p `dirname $(1)`
$(call write-to-file,$(1).$(OBJ_FILE_LIST),$(filter %.o,$(2)))
$(AR.$(TOOLSET)) crs $(1) @$(1).$(OBJ_FILE_LIST)
endef
define create_thin_archive
rm -f $(1) $(OBJ_FILE_LIST); mkdir -p `dirname $(1)`
$(call write-to-file,$(1).$(OBJ_FILE_LIST),$(filter %.o,$(2)))
$(AR.$(TOOLSET)) crsT $(1) @$(1).$(OBJ_FILE_LIST)
endef
# We support two kinds of shared objects (.so):
# 1) shared_library, which is just bundling together many dependent libraries
# into a link line.
# 2) loadable_module, which is generating a module intended for dlopen().
#
# They differ only slightly:
# In the former case, we want to package all dependent code into the .so.
# In the latter case, we want to package just the API exposed by the
# outermost module.
# This means shared_library uses --whole-archive, while loadable_module doesn't.
# (Note that --whole-archive is incompatible with the --start-group used in
# normal linking.)
# Other shared-object link notes:
# - Set SONAME to the library filename so our binaries don't reference
# the local, absolute paths used on the link command-line.
quiet_cmd_solink = SOLINK($(TOOLSET)) $@
cmd_solink = $(LINK.$(TOOLSET)) -o $@ -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -Wl,-soname=$(@F) -Wl,--whole-archive $(LD_INPUTS) -Wl,--no-whole-archive $(LIBS)
quiet_cmd_solink_module = SOLINK_MODULE($(TOOLSET)) $@
cmd_solink_module = $(LINK.$(TOOLSET)) -o $@ -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -Wl,-soname=$(@F) -Wl,--start-group $(filter-out FORCE_DO_CMD, $^) -Wl,--end-group $(LIBS)
""" # noqa: E501
LINK_COMMANDS_MAC = """\
quiet_cmd_alink = LIBTOOL-STATIC $@
cmd_alink = rm -f $@ && ./gyp-mac-tool filter-libtool libtool $(GYP_LIBTOOLFLAGS) -static -o $@ $(filter %.o,$^)
quiet_cmd_link = LINK($(TOOLSET)) $@
cmd_link = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o "$@" $(LD_INPUTS) $(LIBS)
quiet_cmd_solink = SOLINK($(TOOLSET)) $@
cmd_solink = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o "$@" $(LD_INPUTS) $(LIBS)
quiet_cmd_solink_module = SOLINK_MODULE($(TOOLSET)) $@
cmd_solink_module = $(LINK.$(TOOLSET)) -bundle $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(filter-out FORCE_DO_CMD, $^) $(LIBS)
""" # noqa: E501
LINK_COMMANDS_ANDROID = """\
quiet_cmd_alink = AR($(TOOLSET)) $@
cmd_alink = rm -f $@ && $(AR.$(TOOLSET)) crs $@ $(filter %.o,$^)
quiet_cmd_alink_thin = AR($(TOOLSET)) $@
cmd_alink_thin = rm -f $@ && $(AR.$(TOOLSET)) crsT $@ $(filter %.o,$^)
# Note: this does not handle spaces in paths
define xargs
$(1) $(word 1,$(2))
$(if $(word 2,$(2)),$(call xargs,$(1),$(wordlist 2,$(words $(2)),$(2))))
endef
define write-to-file
@: >$(1)
$(call xargs,@printf "%s\\n" >>$(1),$(2))
endef
OBJ_FILE_LIST := ar-file-list
define create_archive
rm -f $(1) $(1).$(OBJ_FILE_LIST); mkdir -p `dirname $(1)`
$(call write-to-file,$(1).$(OBJ_FILE_LIST),$(filter %.o,$(2)))
$(AR.$(TOOLSET)) crs $(1) @$(1).$(OBJ_FILE_LIST)
endef
define create_thin_archive
rm -f $(1) $(OBJ_FILE_LIST); mkdir -p `dirname $(1)`
$(call write-to-file,$(1).$(OBJ_FILE_LIST),$(filter %.o,$(2)))
$(AR.$(TOOLSET)) crsT $(1) @$(1).$(OBJ_FILE_LIST)
endef
# Due to circular dependencies between libraries :(, we wrap the
# special "figure out circular dependencies" flags around the entire
# input list during linking.
quiet_cmd_link = LINK($(TOOLSET)) $@
quiet_cmd_link_host = LINK($(TOOLSET)) $@
cmd_link = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ -Wl,--start-group $(LD_INPUTS) -Wl,--end-group $(LIBS)
cmd_link_host = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ -Wl,--start-group $(LD_INPUTS) -Wl,--end-group $(LIBS)
# Other shared-object link notes:
# - Set SONAME to the library filename so our binaries don't reference
# the local, absolute paths used on the link command-line.
quiet_cmd_solink = SOLINK($(TOOLSET)) $@
cmd_solink = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -Wl,-soname=$(@F) -o $@ -Wl,--whole-archive $(LD_INPUTS) -Wl,--no-whole-archive $(LIBS)
quiet_cmd_solink_module = SOLINK_MODULE($(TOOLSET)) $@
cmd_solink_module = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -Wl,-soname=$(@F) -o $@ -Wl,--start-group $(filter-out FORCE_DO_CMD, $^) -Wl,--end-group $(LIBS)
quiet_cmd_solink_module_host = SOLINK_MODULE($(TOOLSET)) $@
cmd_solink_module_host = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -Wl,-soname=$(@F) -o $@ $(filter-out FORCE_DO_CMD, $^) $(LIBS)
""" # noqa: E501
LINK_COMMANDS_AIX = """\
quiet_cmd_alink = AR($(TOOLSET)) $@
cmd_alink = rm -f $@ && $(AR.$(TOOLSET)) -X32_64 crs $@ $(filter %.o,$^)
quiet_cmd_alink_thin = AR($(TOOLSET)) $@
cmd_alink_thin = rm -f $@ && $(AR.$(TOOLSET)) -X32_64 crs $@ $(filter %.o,$^)
quiet_cmd_link = LINK($(TOOLSET)) $@
cmd_link = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(LD_INPUTS) $(LIBS)
quiet_cmd_solink = SOLINK($(TOOLSET)) $@
cmd_solink = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(LD_INPUTS) $(LIBS)
quiet_cmd_solink_module = SOLINK_MODULE($(TOOLSET)) $@
cmd_solink_module = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(filter-out FORCE_DO_CMD, $^) $(LIBS)
""" # noqa: E501
LINK_COMMANDS_OS400 = """\
quiet_cmd_alink = AR($(TOOLSET)) $@
cmd_alink = rm -f $@ && $(AR.$(TOOLSET)) -X64 crs $@ $(filter %.o,$^)
quiet_cmd_alink_thin = AR($(TOOLSET)) $@
cmd_alink_thin = rm -f $@ && $(AR.$(TOOLSET)) -X64 crs $@ $(filter %.o,$^)
quiet_cmd_link = LINK($(TOOLSET)) $@
cmd_link = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(LD_INPUTS) $(LIBS)
quiet_cmd_solink = SOLINK($(TOOLSET)) $@
cmd_solink = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(LD_INPUTS) $(LIBS)
quiet_cmd_solink_module = SOLINK_MODULE($(TOOLSET)) $@
cmd_solink_module = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(filter-out FORCE_DO_CMD, $^) $(LIBS)
""" # noqa: E501
LINK_COMMANDS_OS390 = """\
quiet_cmd_alink = AR($(TOOLSET)) $@
cmd_alink = rm -f $@ && $(AR.$(TOOLSET)) crs $@ $(filter %.o,$^)
quiet_cmd_alink_thin = AR($(TOOLSET)) $@
cmd_alink_thin = rm -f $@ && $(AR.$(TOOLSET)) crsT $@ $(filter %.o,$^)
quiet_cmd_link = LINK($(TOOLSET)) $@
cmd_link = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(LD_INPUTS) $(LIBS)
quiet_cmd_solink = SOLINK($(TOOLSET)) $@
cmd_solink = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(LD_INPUTS) $(LIBS)
quiet_cmd_solink_module = SOLINK_MODULE($(TOOLSET)) $@
cmd_solink_module = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(filter-out FORCE_DO_CMD, $^) $(LIBS)
""" # noqa: E501
# Header of toplevel Makefile.
# This should go into the build tree, but it's easier to keep it here for now.
SHARED_HEADER = (
"""\
# We borrow heavily from the kernel build setup, though we are simpler since
# we don't have Kconfig tweaking settings on us.
# The implicit make rules have it looking for RCS files, among other things.
# We instead explicitly write all the rules we care about.
# It's even quicker (saves ~200ms) to pass -r on the command line.
MAKEFLAGS=-r
# The source directory tree.
srcdir := %(srcdir)s
abs_srcdir := $(abspath $(srcdir))
# The name of the builddir.
builddir_name ?= %(builddir)s
# The V=1 flag on command line makes us verbosely print command lines.
ifdef V
quiet=
else
quiet=quiet_
endif
# Specify BUILDTYPE=Release on the command line for a release build.
BUILDTYPE ?= %(default_configuration)s
# Directory all our build output goes into.
# Note that this must be two directories beneath src/ for unit tests to pass,
# as they reach into the src/ directory for data with relative paths.
builddir ?= $(builddir_name)/$(BUILDTYPE)
abs_builddir := $(abspath $(builddir))
depsdir := $(builddir)/.deps
# Object output directory.
obj := $(builddir)/obj
abs_obj := $(abspath $(obj))
# We build up a list of every single one of the targets so we can slurp in the
# generated dependency rule Makefiles in one pass.
all_deps :=
%(make_global_settings)s
CC.target ?= %(CC.target)s
CFLAGS.target ?= $(CPPFLAGS) $(CFLAGS)
CXX.target ?= %(CXX.target)s
CXXFLAGS.target ?= $(CPPFLAGS) $(CXXFLAGS)
LINK.target ?= %(LINK.target)s
LDFLAGS.target ?= $(LDFLAGS)
AR.target ?= $(AR)
PLI.target ?= %(PLI.target)s
# C++ apps need to be linked with g++.
LINK ?= $(CXX.target)
# TODO(evan): move all cross-compilation logic to gyp-time so we don't need
# to replicate this environment fallback in make as well.
CC.host ?= %(CC.host)s
CFLAGS.host ?= $(CPPFLAGS_host) $(CFLAGS_host)
CXX.host ?= %(CXX.host)s
CXXFLAGS.host ?= $(CPPFLAGS_host) $(CXXFLAGS_host)
LINK.host ?= %(LINK.host)s
LDFLAGS.host ?= $(LDFLAGS_host)
AR.host ?= %(AR.host)s
PLI.host ?= %(PLI.host)s
# Define a dir function that can handle spaces.
# http://www.gnu.org/software/make/manual/make.html#Syntax-of-Functions
# "leading spaces cannot appear in the text of the first argument as written.
# These characters can be put into the argument value by variable substitution."
empty :=
space := $(empty) $(empty)
# http://stackoverflow.com/questions/1189781/using-make-dir-or-notdir-on-a-path-with-spaces
replace_spaces = $(subst $(space),"""
+ SPACE_REPLACEMENT
+ """,$1)
unreplace_spaces = $(subst """
+ SPACE_REPLACEMENT
+ """,$(space),$1)
dirx = $(call unreplace_spaces,$(dir $(call replace_spaces,$1)))
# Flags to make gcc output dependency info. Note that you need to be
# careful here to use the flags that ccache and distcc can understand.
# We write to a dep file on the side first and then rename at the end
# so we can't end up with a broken dep file.
depfile = $(depsdir)/$(call replace_spaces,$@).d
DEPFLAGS = %(makedep_args)s -MF $(depfile).raw
# We have to fixup the deps output in a few ways.
# (1) the file output should mention the proper .o file.
# ccache or distcc lose the path to the target, so we convert a rule of
# the form:
# foobar.o: DEP1 DEP2
# into
# path/to/foobar.o: DEP1 DEP2
# (2) we want missing files not to cause us to fail to build.
# We want to rewrite
# foobar.o: DEP1 DEP2 \\
# DEP3
# to
# DEP1:
# DEP2:
# DEP3:
# so if the files are missing, they're just considered phony rules.
# We have to do some pretty insane escaping to get those backslashes
# and dollar signs past make, the shell, and sed at the same time.
# Doesn't work with spaces, but that's fine: .d files have spaces in
# their names replaced with other characters."""
r"""
define fixup_dep
# The depfile may not exist if the input file didn't have any #includes.
touch $(depfile).raw
# Fixup path as in (1).
sed -e "s|^$(notdir $@)|$@|" $(depfile).raw >> $(depfile)
# Add extra rules as in (2).
# We remove slashes and replace spaces with new lines;
# remove blank lines;
# delete the first line and append a colon to the remaining lines.
sed -e 's|\\||' -e 'y| |\n|' $(depfile).raw |\
grep -v '^$$' |\
sed -e 1d -e 's|$$|:|' \
>> $(depfile)
rm $(depfile).raw
endef
"""
"""
# Command definitions:
# - cmd_foo is the actual command to run;
# - quiet_cmd_foo is the brief-output summary of the command.
quiet_cmd_cc = CC($(TOOLSET)) $@
cmd_cc = $(CC.$(TOOLSET)) -o $@ $< $(GYP_CFLAGS) $(DEPFLAGS) $(CFLAGS.$(TOOLSET)) -c
quiet_cmd_cxx = CXX($(TOOLSET)) $@
cmd_cxx = $(CXX.$(TOOLSET)) -o $@ $< $(GYP_CXXFLAGS) $(DEPFLAGS) $(CXXFLAGS.$(TOOLSET)) -c
%(extra_commands)s
quiet_cmd_touch = TOUCH $@
cmd_touch = touch $@
quiet_cmd_copy = COPY $@
# send stderr to /dev/null to ignore messages when linking directories.
cmd_copy = ln -f "$<" "$@" 2>/dev/null || (rm -rf "$@" && cp %(copy_archive_args)s "$<" "$@")
quiet_cmd_symlink = SYMLINK $@
cmd_symlink = ln -sf "$<" "$@"
%(link_commands)s
""" # noqa: E501
r"""
# Define an escape_quotes function to escape single quotes.
# This allows us to handle quotes properly as long as we always use
# use single quotes and escape_quotes.
escape_quotes = $(subst ','\'',$(1))
# This comment is here just to include a ' to unconfuse syntax highlighting.
# Define an escape_vars function to escape '$' variable syntax.
# This allows us to read/write command lines with shell variables (e.g.
# $LD_LIBRARY_PATH), without triggering make substitution.
escape_vars = $(subst $$,$$$$,$(1))
# Helper that expands to a shell command to echo a string exactly as it is in
# make. This uses printf instead of echo because printf's behaviour with respect
# to escape sequences is more portable than echo's across different shells
# (e.g., dash, bash).
exact_echo = printf '%%s\n' '$(call escape_quotes,$(1))'
"""
"""
# Helper to compare the command we're about to run against the command
# we logged the last time we ran the command. Produces an empty
# string (false) when the commands match.
# Tricky point: Make has no string-equality test function.
# The kernel uses the following, but it seems like it would have false
# positives, where one string reordered its arguments.
# arg_check = $(strip $(filter-out $(cmd_$(1)), $(cmd_$@)) \\
# $(filter-out $(cmd_$@), $(cmd_$(1))))
# We instead substitute each for the empty string into the other, and
# say they're equal if both substitutions produce the empty string.
# .d files contain """
+ SPACE_REPLACEMENT
+ """ instead of spaces, take that into account.
command_changed = $(or $(subst $(cmd_$(1)),,$(cmd_$(call replace_spaces,$@))),\\
$(subst $(cmd_$(call replace_spaces,$@)),,$(cmd_$(1))))
# Helper that is non-empty when a prerequisite changes.
# Normally make does this implicitly, but we force rules to always run
# so we can check their command lines.
# $? -- new prerequisites
# $| -- order-only dependencies
prereq_changed = $(filter-out FORCE_DO_CMD,$(filter-out $|,$?))
# Helper that executes all postbuilds until one fails.
define do_postbuilds
@E=0;\\
for p in $(POSTBUILDS); do\\
eval $$p;\\
E=$$?;\\
if [ $$E -ne 0 ]; then\\
break;\\
fi;\\
done;\\
if [ $$E -ne 0 ]; then\\
rm -rf "$@";\\
exit $$E;\\
fi
endef
# do_cmd: run a command via the above cmd_foo names, if necessary.
# Should always run for a given target to handle command-line changes.
# Second argument, if non-zero, makes it do asm/C/C++ dependency munging.
# Third argument, if non-zero, makes it do POSTBUILDS processing.
# Note: We intentionally do NOT call dirx for depfile, since it contains """
+ SPACE_REPLACEMENT
+ """ for
# spaces already and dirx strips the """
+ SPACE_REPLACEMENT
+ """ characters.
define do_cmd
$(if $(or $(command_changed),$(prereq_changed)),
@$(call exact_echo, $($(quiet)cmd_$(1)))
@mkdir -p "$(call dirx,$@)" "$(dir $(depfile))"
$(if $(findstring flock,$(word %(flock_index)d,$(cmd_$1))),
@$(cmd_$(1))
@echo " $(quiet_cmd_$(1)): Finished",
@$(cmd_$(1))
)
@$(call exact_echo,$(call escape_vars,cmd_$(call replace_spaces,$@) := $(cmd_$(1)))) > $(depfile)
@$(if $(2),$(fixup_dep))
$(if $(and $(3), $(POSTBUILDS)),
$(call do_postbuilds)
)
)
endef
# Declare the "%(default_target)s" target first so it is the default,
# even though we don't have the deps yet.
.PHONY: %(default_target)s
%(default_target)s:
# make looks for ways to re-generate included makefiles, but in our case, we
# don't have a direct way. Explicitly telling make that it has nothing to do
# for them makes it go faster.
%%.d: ;
# Use FORCE_DO_CMD to force a target to run. Should be coupled with
# do_cmd.
.PHONY: FORCE_DO_CMD
FORCE_DO_CMD:
""" # noqa: E501
)
SHARED_HEADER_MAC_COMMANDS = """
quiet_cmd_objc = CXX($(TOOLSET)) $@
cmd_objc = $(CC.$(TOOLSET)) $(GYP_OBJCFLAGS) $(DEPFLAGS) -c -o $@ $<
quiet_cmd_objcxx = CXX($(TOOLSET)) $@
cmd_objcxx = $(CXX.$(TOOLSET)) $(GYP_OBJCXXFLAGS) $(DEPFLAGS) -c -o $@ $<
# Commands for precompiled header files.
quiet_cmd_pch_c = CXX($(TOOLSET)) $@
cmd_pch_c = $(CC.$(TOOLSET)) $(GYP_PCH_CFLAGS) $(DEPFLAGS) $(CXXFLAGS.$(TOOLSET)) -c -o $@ $<
quiet_cmd_pch_cc = CXX($(TOOLSET)) $@
cmd_pch_cc = $(CC.$(TOOLSET)) $(GYP_PCH_CXXFLAGS) $(DEPFLAGS) $(CXXFLAGS.$(TOOLSET)) -c -o $@ $<
quiet_cmd_pch_m = CXX($(TOOLSET)) $@
cmd_pch_m = $(CC.$(TOOLSET)) $(GYP_PCH_OBJCFLAGS) $(DEPFLAGS) -c -o $@ $<
quiet_cmd_pch_mm = CXX($(TOOLSET)) $@
cmd_pch_mm = $(CC.$(TOOLSET)) $(GYP_PCH_OBJCXXFLAGS) $(DEPFLAGS) -c -o $@ $<
# gyp-mac-tool is written next to the root Makefile by gyp.
# Use $(4) for the command, since $(2) and $(3) are used as flag by do_cmd
# already.
quiet_cmd_mac_tool = MACTOOL $(4) $<
cmd_mac_tool = ./gyp-mac-tool $(4) $< "$@"
quiet_cmd_mac_package_framework = PACKAGE FRAMEWORK $@
cmd_mac_package_framework = ./gyp-mac-tool package-framework "$@" $(4)
quiet_cmd_infoplist = INFOPLIST $@
cmd_infoplist = $(CC.$(TOOLSET)) -E -P -Wno-trigraphs -x c $(INFOPLIST_DEFINES) "$<" -o "$@"
""" # noqa: E501
def WriteRootHeaderSuffixRules(writer):
extensions = sorted(COMPILABLE_EXTENSIONS.keys(), key=str.lower)
writer.write("# Suffix rules, putting all outputs into $(obj).\n")
for ext in extensions:
writer.write("$(obj).$(TOOLSET)/%%.o: $(srcdir)/%%%s FORCE_DO_CMD\n" % ext)
writer.write("\t@$(call do_cmd,%s,1)\n" % COMPILABLE_EXTENSIONS[ext])
writer.write("\n# Try building from generated source, too.\n")
for ext in extensions:
writer.write(
"$(obj).$(TOOLSET)/%%.o: $(obj).$(TOOLSET)/%%%s FORCE_DO_CMD\n" % ext
)
writer.write("\t@$(call do_cmd,%s,1)\n" % COMPILABLE_EXTENSIONS[ext])
writer.write("\n")
for ext in extensions:
writer.write("$(obj).$(TOOLSET)/%%.o: $(obj)/%%%s FORCE_DO_CMD\n" % ext)
writer.write("\t@$(call do_cmd,%s,1)\n" % COMPILABLE_EXTENSIONS[ext])
writer.write("\n")
SHARED_HEADER_OS390_COMMANDS = """
PLIFLAGS.target ?= -qlp=64 -qlimits=extname=31 $(PLIFLAGS)
PLIFLAGS.host ?= -qlp=64 -qlimits=extname=31 $(PLIFLAGS)
quiet_cmd_pli = PLI($(TOOLSET)) $@
cmd_pli = $(PLI.$(TOOLSET)) $(GYP_PLIFLAGS) $(PLIFLAGS.$(TOOLSET)) -c $< && \
if [ -f $(notdir $@) ]; then /bin/cp $(notdir $@) $@; else true; fi
"""
SHARED_HEADER_SUFFIX_RULES_COMMENT1 = """\
# Suffix rules, putting all outputs into $(obj).
"""
SHARED_HEADER_SUFFIX_RULES_COMMENT2 = """\
# Try building from generated source, too.
"""
SHARED_FOOTER = """\
# "all" is a concatenation of the "all" targets from all the included
# sub-makefiles. This is just here to clarify.
all:
# Add in dependency-tracking rules. $(all_deps) is the list of every single
# target in our tree. Only consider the ones with .d (dependency) info:
d_files := $(wildcard $(foreach f,$(all_deps),$(depsdir)/$(f).d))
ifneq ($(d_files),)
include $(d_files)
endif
"""
header = """\
# This file is generated by gyp; do not edit.
"""
# Maps every compilable file extension to the do_cmd that compiles it.
COMPILABLE_EXTENSIONS = {
".c": "cc",
".cc": "cxx",
".cpp": "cxx",
".cxx": "cxx",
".s": "cc",
".S": "cc",
}
def Compilable(filename):
"""Return true if the file is compilable (should be in OBJS)."""
return any(res for res in (filename.endswith(e) for e in COMPILABLE_EXTENSIONS))
def Linkable(filename):
"""Return true if the file is linkable (should be on the link line)."""
return filename.endswith(".o")
def Target(filename):
"""Translate a compilable filename to its .o target."""
return os.path.splitext(filename)[0] + ".o"
def EscapeShellArgument(s):
"""Quotes an argument so that it will be interpreted literally by a POSIX
shell. Taken from
http://stackoverflow.com/questions/35817/whats-the-best-way-to-escape-ossystem-calls-in-python
"""
return "'" + s.replace("'", "'\\''") + "'"
def EscapeMakeVariableExpansion(s):
"""Make has its own variable expansion syntax using $. We must escape it for
string to be interpreted literally."""
return s.replace("$", "$$")
def EscapeCppDefine(s):
"""Escapes a CPP define so that it will reach the compiler unaltered."""
s = EscapeShellArgument(s)
s = EscapeMakeVariableExpansion(s)
# '#' characters must be escaped even embedded in a string, else Make will
# treat it as the start of a comment.
return s.replace("#", r"\#")
def QuoteIfNecessary(string):
"""TODO: Should this ideally be replaced with one or more of the above
functions?"""
if '"' in string:
string = '"' + string.replace('"', '\\"') + '"'
return string
def StringToMakefileVariable(string):
"""Convert a string to a value that is acceptable as a make variable name."""
return re.sub("[^a-zA-Z0-9_]", "_", string)
srcdir_prefix = ""
def Sourceify(path):
"""Convert a path to its source directory form."""
if "$(" in path:
return path
if os.path.isabs(path):
return path
return srcdir_prefix + path
def QuoteSpaces(s, quote=r"\ "):
return s.replace(" ", quote)
def SourceifyAndQuoteSpaces(path):
"""Convert a path to its source directory form and quote spaces."""
return QuoteSpaces(Sourceify(path))
# Map from qualified target to path to output.
target_outputs = {}
# Map from qualified target to any linkable output. A subset
# of target_outputs. E.g. when mybinary depends on liba, we want to
# include liba in the linker line; when otherbinary depends on
# mybinary, we just want to build mybinary first.
target_link_deps = {}
class MakefileWriter:
"""MakefileWriter packages up the writing of one target-specific foobar.mk.
Its only real entry point is Write(), and is mostly used for namespacing.
"""
def __init__(self, generator_flags, flavor):
self.generator_flags = generator_flags
self.flavor = flavor
self.suffix_rules_srcdir = {}
self.suffix_rules_objdir1 = {}
self.suffix_rules_objdir2 = {}
# Generate suffix rules for all compilable extensions.
for ext in COMPILABLE_EXTENSIONS:
# Suffix rules for source folder.
self.suffix_rules_srcdir.update(
{
ext: (
"""\
$(obj).$(TOOLSET)/$(TARGET)/%%.o: $(srcdir)/%%%s FORCE_DO_CMD
\t@$(call do_cmd,%s,1)
"""
% (ext, COMPILABLE_EXTENSIONS[ext])
)
}
)
# Suffix rules for generated source files.
self.suffix_rules_objdir1.update(
{
ext: (
"""\
$(obj).$(TOOLSET)/$(TARGET)/%%.o: $(obj).$(TOOLSET)/%%%s FORCE_DO_CMD
\t@$(call do_cmd,%s,1)
"""
% (ext, COMPILABLE_EXTENSIONS[ext])
)
}
)
self.suffix_rules_objdir2.update(
{
ext: (
"""\
$(obj).$(TOOLSET)/$(TARGET)/%%.o: $(obj)/%%%s FORCE_DO_CMD
\t@$(call do_cmd,%s,1)
"""
% (ext, COMPILABLE_EXTENSIONS[ext])
)
}
)
def Write(
self, qualified_target, base_path, output_filename, spec, configs, part_of_all
):
"""The main entry point: writes a .mk file for a single target.
Arguments:
qualified_target: target we're generating
base_path: path relative to source root we're building in, used to resolve
target-relative paths
output_filename: output .mk file name to write
spec, configs: gyp info
part_of_all: flag indicating this target is part of 'all'
"""
gyp.common.EnsureDirExists(output_filename)
self.fp = open(output_filename, "w")
self.fp.write(header)
self.qualified_target = qualified_target
self.path = base_path
self.target = spec["target_name"]
self.type = spec["type"]
self.toolset = spec["toolset"]
self.is_mac_bundle = gyp.xcode_emulation.IsMacBundle(self.flavor, spec)
if self.flavor == "mac":
self.xcode_settings = gyp.xcode_emulation.XcodeSettings(spec)
else:
self.xcode_settings = None
deps, link_deps = self.ComputeDeps(spec)
# Some of the generation below can add extra output, sources, or
# link dependencies. All of the out params of the functions that
# follow use names like extra_foo.
extra_outputs = []
extra_sources = []
extra_link_deps = []
extra_mac_bundle_resources = []
mac_bundle_deps = []
if self.is_mac_bundle:
self.output = self.ComputeMacBundleOutput(spec)
self.output_binary = self.ComputeMacBundleBinaryOutput(spec)
else:
self.output = self.output_binary = self.ComputeOutput(spec)
self.is_standalone_static_library = bool(
spec.get("standalone_static_library", 0)
)
self._INSTALLABLE_TARGETS = ("executable", "loadable_module", "shared_library")
if self.is_standalone_static_library or self.type in self._INSTALLABLE_TARGETS:
self.alias = os.path.basename(self.output)
install_path = self._InstallableTargetInstallPath()
else:
self.alias = self.output
install_path = self.output
self.WriteLn("TOOLSET := " + self.toolset)
self.WriteLn("TARGET := " + self.target)
# Actions must come first, since they can generate more OBJs for use below.
if "actions" in spec:
self.WriteActions(
spec["actions"],
extra_sources,
extra_outputs,
extra_mac_bundle_resources,
part_of_all,
)
# Rules must be early like actions.
if "rules" in spec:
self.WriteRules(
spec["rules"],
extra_sources,
extra_outputs,
extra_mac_bundle_resources,
part_of_all,
)
if "copies" in spec:
self.WriteCopies(spec["copies"], extra_outputs, part_of_all)
# Bundle resources.
if self.is_mac_bundle:
all_mac_bundle_resources = (
spec.get("mac_bundle_resources", []) + extra_mac_bundle_resources
)
self.WriteMacBundleResources(all_mac_bundle_resources, mac_bundle_deps)
self.WriteMacInfoPlist(mac_bundle_deps)
# Sources.
all_sources = spec.get("sources", []) + extra_sources
if all_sources:
self.WriteSources(
configs,
deps,
all_sources,
extra_outputs,
extra_link_deps,
part_of_all,
gyp.xcode_emulation.MacPrefixHeader(
self.xcode_settings,
lambda p: Sourceify(self.Absolutify(p)),
self.Pchify,
),
)
sources = [x for x in all_sources if Compilable(x)]
if sources:
self.WriteLn(SHARED_HEADER_SUFFIX_RULES_COMMENT1)
extensions = {os.path.splitext(s)[1] for s in sources}
for ext in extensions:
if ext in self.suffix_rules_srcdir:
self.WriteLn(self.suffix_rules_srcdir[ext])
self.WriteLn(SHARED_HEADER_SUFFIX_RULES_COMMENT2)
for ext in extensions:
if ext in self.suffix_rules_objdir1:
self.WriteLn(self.suffix_rules_objdir1[ext])
for ext in extensions:
if ext in self.suffix_rules_objdir2:
self.WriteLn(self.suffix_rules_objdir2[ext])
self.WriteLn("# End of this set of suffix rules")
# Add dependency from bundle to bundle binary.
if self.is_mac_bundle:
mac_bundle_deps.append(self.output_binary)
self.WriteTarget(
spec,
configs,
deps,
extra_link_deps + link_deps,
mac_bundle_deps,
extra_outputs,
part_of_all,
)
# Update global list of target outputs, used in dependency tracking.
target_outputs[qualified_target] = install_path
# Update global list of link dependencies.
if self.type in ("static_library", "shared_library"):
target_link_deps[qualified_target] = self.output_binary
# Currently any versions have the same effect, but in future the behavior
# could be different.
if self.generator_flags.get("android_ndk_version", None):
self.WriteAndroidNdkModuleRule(self.target, all_sources, link_deps)
self.fp.close()
def WriteSubMake(self, output_filename, makefile_path, targets, build_dir):
"""Write a "sub-project" Makefile.
This is a small, wrapper Makefile that calls the top-level Makefile to build
the targets from a single gyp file (i.e. a sub-project).
Arguments:
output_filename: sub-project Makefile name to write
makefile_path: path to the top-level Makefile
targets: list of "all" targets for this sub-project
build_dir: build output directory, relative to the sub-project
"""
gyp.common.EnsureDirExists(output_filename)
self.fp = open(output_filename, "w")
self.fp.write(header)
# For consistency with other builders, put sub-project build output in the
# sub-project dir (see test/subdirectory/gyptest-subdir-all.py).
self.WriteLn(
"export builddir_name ?= %s"
% os.path.join(os.path.dirname(output_filename), build_dir)
)
self.WriteLn(".PHONY: all")
self.WriteLn("all:")
if makefile_path:
makefile_path = " -C " + makefile_path
self.WriteLn("\t$(MAKE){} {}".format(makefile_path, " ".join(targets)))
self.fp.close()
def WriteActions(
self,
actions,
extra_sources,
extra_outputs,
extra_mac_bundle_resources,
part_of_all,
):
"""Write Makefile code for any 'actions' from the gyp input.
extra_sources: a list that will be filled in with newly generated source
files, if any
extra_outputs: a list that will be filled in with any outputs of these
actions (used to make other pieces dependent on these
actions)
part_of_all: flag indicating this target is part of 'all'
"""
env = self.GetSortedXcodeEnv()
for action in actions:
name = StringToMakefileVariable(
"{}_{}".format(self.qualified_target, action["action_name"])
)
self.WriteLn('### Rules for action "%s":' % action["action_name"])
inputs = action["inputs"]
outputs = action["outputs"]
# Build up a list of outputs.
# Collect the output dirs we'll need.
dirs = set()
for out in outputs:
dir = os.path.split(out)[0]
if dir:
dirs.add(dir)
if int(action.get("process_outputs_as_sources", False)):
extra_sources += outputs
if int(action.get("process_outputs_as_mac_bundle_resources", False)):
extra_mac_bundle_resources += outputs
# Write the actual command.
action_commands = action["action"]
if self.flavor == "mac":
action_commands = [
gyp.xcode_emulation.ExpandEnvVars(command, env)
for command in action_commands
]
command = gyp.common.EncodePOSIXShellList(action_commands)
if "message" in action:
self.WriteLn(
"quiet_cmd_{} = ACTION {} $@".format(name, action["message"])
)
else:
self.WriteLn(f"quiet_cmd_{name} = ACTION {name} $@")
if len(dirs) > 0:
command = "mkdir -p %s" % " ".join(dirs) + "; " + command
cd_action = "cd %s; " % Sourceify(self.path or ".")
# command and cd_action get written to a toplevel variable called
# cmd_foo. Toplevel variables can't handle things that change per
# makefile like $(TARGET), so hardcode the target.
command = command.replace("$(TARGET)", self.target)
cd_action = cd_action.replace("$(TARGET)", self.target)
# Set LD_LIBRARY_PATH in case the action runs an executable from this
# build which links to shared libs from this build.
# actions run on the host, so they should in theory only use host
# libraries, but until everything is made cross-compile safe, also use
# target libraries.
# TODO(piman): when everything is cross-compile safe, remove lib.target
if self.flavor in {"zos", "aix"}:
self.WriteLn(
"cmd_%s = LIBPATH=$(builddir)/lib.host:"
"$(builddir)/lib.target:$$LIBPATH; "
"export LIBPATH; "
"%s%s" % (name, cd_action, command)
)
else:
self.WriteLn(
"cmd_%s = LD_LIBRARY_PATH=$(builddir)/lib.host:"
"$(builddir)/lib.target:$$LD_LIBRARY_PATH; "
"export LD_LIBRARY_PATH; "
"%s%s" % (name, cd_action, command)
)
self.WriteLn()
outputs = [self.Absolutify(o) for o in outputs]
# The makefile rules are all relative to the top dir, but the gyp actions
# are defined relative to their containing dir. This replaces the obj
# variable for the action rule with an absolute version so that the output
# goes in the right place.
# Only write the 'obj' and 'builddir' rules for the "primary" output (:1);
# it's superfluous for the "extra outputs", and this avoids accidentally
# writing duplicate dummy rules for those outputs.
# Same for environment.
self.WriteLn("%s: obj := $(abs_obj)" % QuoteSpaces(outputs[0]))
self.WriteLn("%s: builddir := $(abs_builddir)" % QuoteSpaces(outputs[0]))
self.WriteSortedXcodeEnv(outputs[0], self.GetSortedXcodeEnv())
for input in inputs:
assert " " not in input, (
"Spaces in action input filenames not supported (%s)" % input
)
for output in outputs:
assert " " not in output, (
"Spaces in action output filenames not supported (%s)" % output
)
# See the comment in WriteCopies about expanding env vars.
outputs = [gyp.xcode_emulation.ExpandEnvVars(o, env) for o in outputs]
inputs = [gyp.xcode_emulation.ExpandEnvVars(i, env) for i in inputs]
self.WriteDoCmd(
outputs,
[Sourceify(self.Absolutify(i)) for i in inputs],
part_of_all=part_of_all,
command=name,
)
# Stuff the outputs in a variable so we can refer to them later.
outputs_variable = "action_%s_outputs" % name
self.WriteLn("{} := {}".format(outputs_variable, " ".join(outputs)))
extra_outputs.append("$(%s)" % outputs_variable)
self.WriteLn()
self.WriteLn()
def WriteRules(
self,
rules,
extra_sources,
extra_outputs,
extra_mac_bundle_resources,
part_of_all,
):
"""Write Makefile code for any 'rules' from the gyp input.
extra_sources: a list that will be filled in with newly generated source
files, if any
extra_outputs: a list that will be filled in with any outputs of these
rules (used to make other pieces dependent on these rules)
part_of_all: flag indicating this target is part of 'all'
"""
env = self.GetSortedXcodeEnv()
for rule in rules:
name = StringToMakefileVariable(
"{}_{}".format(self.qualified_target, rule["rule_name"])
)
count = 0
self.WriteLn("### Generated for rule %s:" % name)
all_outputs = []
for rule_source in rule.get("rule_sources", []):
dirs = set()
(rule_source_dirname, rule_source_basename) = os.path.split(rule_source)
(rule_source_root, rule_source_ext) = os.path.splitext(
rule_source_basename
)
outputs = [
self.ExpandInputRoot(out, rule_source_root, rule_source_dirname)
for out in rule["outputs"]
]
for out in outputs:
dir = os.path.dirname(out)
if dir:
dirs.add(dir)
if int(rule.get("process_outputs_as_sources", False)):
extra_sources += outputs
if int(rule.get("process_outputs_as_mac_bundle_resources", False)):
extra_mac_bundle_resources += outputs
inputs = [
Sourceify(self.Absolutify(i))
for i in [rule_source] + rule.get("inputs", [])
]
actions = ["$(call do_cmd,%s_%d)" % (name, count)]
if name == "resources_grit":
# HACK: This is ugly. Grit intentionally doesn't touch the
# timestamp of its output file when the file doesn't change,
# which is fine in hash-based dependency systems like scons
# and forge, but not kosher in the make world. After some
# discussion, hacking around it here seems like the least
# amount of pain.
actions += ["@touch --no-create $@"]
# See the comment in WriteCopies about expanding env vars.
outputs = [gyp.xcode_emulation.ExpandEnvVars(o, env) for o in outputs]
inputs = [gyp.xcode_emulation.ExpandEnvVars(i, env) for i in inputs]
outputs = [self.Absolutify(o) for o in outputs]
all_outputs += outputs
# Only write the 'obj' and 'builddir' rules for the "primary" output
# (:1); it's superfluous for the "extra outputs", and this avoids
# accidentally writing duplicate dummy rules for those outputs.
self.WriteLn("%s: obj := $(abs_obj)" % outputs[0])
self.WriteLn("%s: builddir := $(abs_builddir)" % outputs[0])
self.WriteMakeRule(
outputs, inputs, actions, command="%s_%d" % (name, count)
)
# Spaces in rule filenames are not supported, but rule variables have
# spaces in them (e.g. RULE_INPUT_PATH expands to '$(abspath $<)').
# The spaces within the variables are valid, so remove the variables
# before checking.
variables_with_spaces = re.compile(r"\$\([^ ]* \$<\)")
for output in outputs:
output = re.sub(variables_with_spaces, "", output)
assert " " not in output, (
"Spaces in rule filenames not yet supported (%s)" % output
)
self.WriteLn("all_deps += %s" % " ".join(outputs))
action = [
self.ExpandInputRoot(ac, rule_source_root, rule_source_dirname)
for ac in rule["action"]
]
mkdirs = ""
if len(dirs) > 0:
mkdirs = "mkdir -p %s; " % " ".join(dirs)
cd_action = "cd %s; " % Sourceify(self.path or ".")
# action, cd_action, and mkdirs get written to a toplevel variable
# called cmd_foo. Toplevel variables can't handle things that change
# per makefile like $(TARGET), so hardcode the target.
if self.flavor == "mac":
action = [
gyp.xcode_emulation.ExpandEnvVars(command, env)
for command in action
]
action = gyp.common.EncodePOSIXShellList(action)
action = action.replace("$(TARGET)", self.target)
cd_action = cd_action.replace("$(TARGET)", self.target)
mkdirs = mkdirs.replace("$(TARGET)", self.target)
# Set LD_LIBRARY_PATH in case the rule runs an executable from this
# build which links to shared libs from this build.
# rules run on the host, so they should in theory only use host
# libraries, but until everything is made cross-compile safe, also use
# target libraries.
# TODO(piman): when everything is cross-compile safe, remove lib.target
self.WriteLn(
"cmd_%(name)s_%(count)d = LD_LIBRARY_PATH="
"$(builddir)/lib.host:$(builddir)/lib.target:$$LD_LIBRARY_PATH; "
"export LD_LIBRARY_PATH; "
"%(cd_action)s%(mkdirs)s%(action)s"
% {
"action": action,
"cd_action": cd_action,
"count": count,
"mkdirs": mkdirs,
"name": name,
}
)
self.WriteLn(
"quiet_cmd_%(name)s_%(count)d = RULE %(name)s_%(count)d $@"
% {"count": count, "name": name}
)
self.WriteLn()
count += 1
outputs_variable = "rule_%s_outputs" % name
self.WriteList(all_outputs, outputs_variable)
extra_outputs.append("$(%s)" % outputs_variable)
self.WriteLn("### Finished generating for rule: %s" % name)
self.WriteLn()
self.WriteLn("### Finished generating for all rules")
self.WriteLn("")
def WriteCopies(self, copies, extra_outputs, part_of_all):
"""Write Makefile code for any 'copies' from the gyp input.
extra_outputs: a list that will be filled in with any outputs of this action
(used to make other pieces dependent on this action)
part_of_all: flag indicating this target is part of 'all'
"""
self.WriteLn("### Generated for copy rule.")
variable = StringToMakefileVariable(self.qualified_target + "_copies")
outputs = []
for copy in copies:
for path in copy["files"]:
# Absolutify() may call normpath, and will strip trailing slashes.
path = Sourceify(self.Absolutify(path))
filename = os.path.split(path)[1]
output = Sourceify(
self.Absolutify(os.path.join(copy["destination"], filename))
)
# If the output path has variables in it, which happens in practice for
# 'copies', writing the environment as target-local doesn't work,
# because the variables are already needed for the target name.
# Copying the environment variables into global make variables doesn't
# work either, because then the .d files will potentially contain spaces
# after variable expansion, and .d file handling cannot handle spaces.
# As a workaround, manually expand variables at gyp time. Since 'copies'
# can't run scripts, there's no need to write the env then.
# WriteDoCmd() will escape spaces for .d files.
env = self.GetSortedXcodeEnv()
output = gyp.xcode_emulation.ExpandEnvVars(output, env)
path = gyp.xcode_emulation.ExpandEnvVars(path, env)
self.WriteDoCmd([output], [path], "copy", part_of_all)
outputs.append(output)
self.WriteLn(
"{} = {}".format(variable, " ".join(QuoteSpaces(o) for o in outputs))
)
extra_outputs.append("$(%s)" % variable)
self.WriteLn()
def WriteMacBundleResources(self, resources, bundle_deps):
"""Writes Makefile code for 'mac_bundle_resources'."""
self.WriteLn("### Generated for mac_bundle_resources")
for output, res in gyp.xcode_emulation.GetMacBundleResources(
generator_default_variables["PRODUCT_DIR"],
self.xcode_settings,
[Sourceify(self.Absolutify(r)) for r in resources],
):
_, ext = os.path.splitext(output)
if ext != ".xcassets":
# Make does not supports '.xcassets' emulation.
self.WriteDoCmd(
[output], [res], "mac_tool,,,copy-bundle-resource", part_of_all=True
)
bundle_deps.append(output)
def WriteMacInfoPlist(self, bundle_deps):
"""Write Makefile code for bundle Info.plist files."""
info_plist, out, defines, extra_env = gyp.xcode_emulation.GetMacInfoPlist(
generator_default_variables["PRODUCT_DIR"],
self.xcode_settings,
lambda p: Sourceify(self.Absolutify(p)),
)
if not info_plist:
return
if defines:
# Create an intermediate file to store preprocessed results.
intermediate_plist = "$(obj).$(TOOLSET)/$(TARGET)/" + os.path.basename(
info_plist
)
self.WriteList(
defines,
intermediate_plist + ": INFOPLIST_DEFINES",
"-D",
quoter=EscapeCppDefine,
)
self.WriteMakeRule(
[intermediate_plist],
[info_plist],
[
"$(call do_cmd,infoplist)",
# "Convert" the plist so that any weird whitespace changes from the
# preprocessor do not affect the XML parser in mac_tool.
"@plutil -convert xml1 $@ $@",
],
)
info_plist = intermediate_plist
# plists can contain envvars and substitute them into the file.
self.WriteSortedXcodeEnv(
out, self.GetSortedXcodeEnv(additional_settings=extra_env)
)
self.WriteDoCmd(
[out], [info_plist], "mac_tool,,,copy-info-plist", part_of_all=True
)
bundle_deps.append(out)
def WriteSources(
self,
configs,
deps,
sources,
extra_outputs,
extra_link_deps,
part_of_all,
precompiled_header,
):
"""Write Makefile code for any 'sources' from the gyp input.
These are source files necessary to build the current target.
configs, deps, sources: input from gyp.
extra_outputs: a list of extra outputs this action should be dependent on;
used to serialize action/rules before compilation
extra_link_deps: a list that will be filled in with any outputs of
compilation (to be used in link lines)
part_of_all: flag indicating this target is part of 'all'
"""
# Write configuration-specific variables for CFLAGS, etc.
for configname in sorted(configs.keys()):
config = configs[configname]
self.WriteList(
config.get("defines"),
"DEFS_%s" % configname,
prefix="-D",
quoter=EscapeCppDefine,
)
if self.flavor == "mac":
cflags = self.xcode_settings.GetCflags(
configname, arch=config.get("xcode_configuration_platform")
)
cflags_c = self.xcode_settings.GetCflagsC(configname)
cflags_cc = self.xcode_settings.GetCflagsCC(configname)
cflags_objc = self.xcode_settings.GetCflagsObjC(configname)
cflags_objcc = self.xcode_settings.GetCflagsObjCC(configname)
else:
cflags = config.get("cflags")
cflags_c = config.get("cflags_c")
cflags_cc = config.get("cflags_cc")
self.WriteLn("# Flags passed to all source files.")
self.WriteList(cflags, "CFLAGS_%s" % configname)
self.WriteLn("# Flags passed to only C files.")
self.WriteList(cflags_c, "CFLAGS_C_%s" % configname)
self.WriteLn("# Flags passed to only C++ files.")
self.WriteList(cflags_cc, "CFLAGS_CC_%s" % configname)
if self.flavor == "mac":
self.WriteLn("# Flags passed to only ObjC files.")
self.WriteList(cflags_objc, "CFLAGS_OBJC_%s" % configname)
self.WriteLn("# Flags passed to only ObjC++ files.")
self.WriteList(cflags_objcc, "CFLAGS_OBJCC_%s" % configname)
includes = config.get("include_dirs")
if includes:
includes = [Sourceify(self.Absolutify(i)) for i in includes]
self.WriteList(includes, "INCS_%s" % configname, prefix="-I")
compilable = list(filter(Compilable, sources))
objs = [self.Objectify(self.Absolutify(Target(c))) for c in compilable]
self.WriteList(objs, "OBJS")
for obj in objs:
assert " " not in obj, "Spaces in object filenames not supported (%s)" % obj
self.WriteLn(
"# Add to the list of files we specially track " "dependencies for."
)
self.WriteLn("all_deps += $(OBJS)")
self.WriteLn()
# Make sure our dependencies are built first.
if deps:
self.WriteMakeRule(
["$(OBJS)"],
deps,
comment="Make sure our dependencies are built " "before any of us.",
order_only=True,
)
# Make sure the actions and rules run first.
# If they generate any extra headers etc., the per-.o file dep tracking
# will catch the proper rebuilds, so order only is still ok here.
if extra_outputs:
self.WriteMakeRule(
["$(OBJS)"],
extra_outputs,
comment="Make sure our actions/rules run " "before any of us.",
order_only=True,
)
pchdeps = precompiled_header.GetObjDependencies(compilable, objs)
if pchdeps:
self.WriteLn("# Dependencies from obj files to their precompiled headers")
for source, obj, gch in pchdeps:
self.WriteLn(f"{obj}: {gch}")
self.WriteLn("# End precompiled header dependencies")
if objs:
extra_link_deps.append("$(OBJS)")
self.WriteLn(
"""\
# CFLAGS et al overrides must be target-local.
# See "Target-specific Variable Values" in the GNU Make manual."""
)
self.WriteLn("$(OBJS): TOOLSET := $(TOOLSET)")
self.WriteLn(
"$(OBJS): GYP_CFLAGS := "
"$(DEFS_$(BUILDTYPE)) "
"$(INCS_$(BUILDTYPE)) "
"%s " % precompiled_header.GetInclude("c") + "$(CFLAGS_$(BUILDTYPE)) "
"$(CFLAGS_C_$(BUILDTYPE))"
)
self.WriteLn(
"$(OBJS): GYP_CXXFLAGS := "
"$(DEFS_$(BUILDTYPE)) "
"$(INCS_$(BUILDTYPE)) "
"%s " % precompiled_header.GetInclude("cc") + "$(CFLAGS_$(BUILDTYPE)) "
"$(CFLAGS_CC_$(BUILDTYPE))"
)
if self.flavor == "mac":
self.WriteLn(
"$(OBJS): GYP_OBJCFLAGS := "
"$(DEFS_$(BUILDTYPE)) "
"$(INCS_$(BUILDTYPE)) "
"%s " % precompiled_header.GetInclude("m")
+ "$(CFLAGS_$(BUILDTYPE)) "
"$(CFLAGS_C_$(BUILDTYPE)) "
"$(CFLAGS_OBJC_$(BUILDTYPE))"
)
self.WriteLn(
"$(OBJS): GYP_OBJCXXFLAGS := "
"$(DEFS_$(BUILDTYPE)) "
"$(INCS_$(BUILDTYPE)) "
"%s " % precompiled_header.GetInclude("mm")
+ "$(CFLAGS_$(BUILDTYPE)) "
"$(CFLAGS_CC_$(BUILDTYPE)) "
"$(CFLAGS_OBJCC_$(BUILDTYPE))"
)
self.WritePchTargets(precompiled_header.GetPchBuildCommands())
# If there are any object files in our input file list, link them into our
# output.
extra_link_deps += [source for source in sources if Linkable(source)]
self.WriteLn()
def WritePchTargets(self, pch_commands):
"""Writes make rules to compile prefix headers."""
if not pch_commands:
return
for gch, lang_flag, lang, input in pch_commands:
extra_flags = {
"c": "$(CFLAGS_C_$(BUILDTYPE))",
"cc": "$(CFLAGS_CC_$(BUILDTYPE))",
"m": "$(CFLAGS_C_$(BUILDTYPE)) $(CFLAGS_OBJC_$(BUILDTYPE))",
"mm": "$(CFLAGS_CC_$(BUILDTYPE)) $(CFLAGS_OBJCC_$(BUILDTYPE))",
}[lang]
var_name = {
"c": "GYP_PCH_CFLAGS",
"cc": "GYP_PCH_CXXFLAGS",
"m": "GYP_PCH_OBJCFLAGS",
"mm": "GYP_PCH_OBJCXXFLAGS",
}[lang]
self.WriteLn(
f"{gch}: {var_name} := {lang_flag} " + "$(DEFS_$(BUILDTYPE)) "
"$(INCS_$(BUILDTYPE)) "
"$(CFLAGS_$(BUILDTYPE)) " + extra_flags
)
self.WriteLn(f"{gch}: {input} FORCE_DO_CMD")
self.WriteLn("\t@$(call do_cmd,pch_%s,1)" % lang)
self.WriteLn("")
assert " " not in gch, "Spaces in gch filenames not supported (%s)" % gch
self.WriteLn("all_deps += %s" % gch)
self.WriteLn("")
def ComputeOutputBasename(self, spec):
"""Return the 'output basename' of a gyp spec.
E.g., the loadable module 'foobar' in directory 'baz' will produce
'libfoobar.so'
"""
assert not self.is_mac_bundle
if self.flavor == "mac" and self.type in (
"static_library",
"executable",
"shared_library",
"loadable_module",
):
return self.xcode_settings.GetExecutablePath()
target = spec["target_name"]
target_prefix = ""
target_ext = ""
if self.type == "static_library":
if target[:3] == "lib":
target = target[3:]
target_prefix = "lib"
target_ext = ".a"
elif self.type in ("loadable_module", "shared_library"):
if target[:3] == "lib":
target = target[3:]
target_prefix = "lib"
if self.flavor == "aix":
target_ext = ".a"
elif self.flavor == "zos":
target_ext = ".x"
else:
target_ext = ".so"
elif self.type == "none":
target = "%s.stamp" % target
elif self.type != "executable":
print(
"ERROR: What output file should be generated?",
"type",
self.type,
"target",
target,
)
target_prefix = spec.get("product_prefix", target_prefix)
target = spec.get("product_name", target)
product_ext = spec.get("product_extension")
if product_ext:
target_ext = "." + product_ext
return target_prefix + target + target_ext
def _InstallImmediately(self):
return (
self.toolset == "target"
and self.flavor == "mac"
and self.type
in ("static_library", "executable", "shared_library", "loadable_module")
)
def ComputeOutput(self, spec):
"""Return the 'output' (full output path) of a gyp spec.
E.g., the loadable module 'foobar' in directory 'baz' will produce
'$(obj)/baz/libfoobar.so'
"""
assert not self.is_mac_bundle
path = os.path.join("$(obj)." + self.toolset, self.path)
if self.type == "executable" or self._InstallImmediately():
path = "$(builddir)"
path = spec.get("product_dir", path)
return os.path.join(path, self.ComputeOutputBasename(spec))
def ComputeMacBundleOutput(self, spec):
"""Return the 'output' (full output path) to a bundle output directory."""
assert self.is_mac_bundle
path = generator_default_variables["PRODUCT_DIR"]
return os.path.join(path, self.xcode_settings.GetWrapperName())
def ComputeMacBundleBinaryOutput(self, spec):
"""Return the 'output' (full output path) to the binary in a bundle."""
path = generator_default_variables["PRODUCT_DIR"]
return os.path.join(path, self.xcode_settings.GetExecutablePath())
def ComputeDeps(self, spec):
"""Compute the dependencies of a gyp spec.
Returns a tuple (deps, link_deps), where each is a list of
filenames that will need to be put in front of make for either
building (deps) or linking (link_deps).
"""
deps = []
link_deps = []
if "dependencies" in spec:
deps.extend(
[
target_outputs[dep]
for dep in spec["dependencies"]
if target_outputs[dep]
]
)
for dep in spec["dependencies"]:
if dep in target_link_deps:
link_deps.append(target_link_deps[dep])
deps.extend(link_deps)
# TODO: It seems we need to transitively link in libraries (e.g. -lfoo)?
# This hack makes it work:
# link_deps.extend(spec.get('libraries', []))
return (gyp.common.uniquer(deps), gyp.common.uniquer(link_deps))
def GetSharedObjectFromSidedeck(self, sidedeck):
"""Return the shared object files based on sidedeck"""
return re.sub(r"\.x$", ".so", sidedeck)
def GetUnversionedSidedeckFromSidedeck(self, sidedeck):
"""Return the shared object files based on sidedeck"""
return re.sub(r"\.\d+\.x$", ".x", sidedeck)
def WriteDependencyOnExtraOutputs(self, target, extra_outputs):
self.WriteMakeRule(
[self.output_binary],
extra_outputs,
comment="Build our special outputs first.",
order_only=True,
)
def WriteTarget(
self, spec, configs, deps, link_deps, bundle_deps, extra_outputs, part_of_all
):
"""Write Makefile code to produce the final target of the gyp spec.
spec, configs: input from gyp.
deps, link_deps: dependency lists; see ComputeDeps()
extra_outputs: any extra outputs that our target should depend on
part_of_all: flag indicating this target is part of 'all'
"""
self.WriteLn("### Rules for final target.")
if extra_outputs:
self.WriteDependencyOnExtraOutputs(self.output_binary, extra_outputs)
self.WriteMakeRule(
extra_outputs,
deps,
comment=("Preserve order dependency of " "special output on deps."),
order_only=True,
)
target_postbuilds = {}
if self.type != "none":
for configname in sorted(configs.keys()):
config = configs[configname]
if self.flavor == "mac":
ldflags = self.xcode_settings.GetLdflags(
configname,
generator_default_variables["PRODUCT_DIR"],
lambda p: Sourceify(self.Absolutify(p)),
arch=config.get("xcode_configuration_platform"),
)
# TARGET_POSTBUILDS_$(BUILDTYPE) is added to postbuilds later on.
gyp_to_build = gyp.common.InvertRelativePath(self.path)
target_postbuild = self.xcode_settings.AddImplicitPostbuilds(
configname,
QuoteSpaces(
os.path.normpath(os.path.join(gyp_to_build, self.output))
),
QuoteSpaces(
os.path.normpath(
os.path.join(gyp_to_build, self.output_binary)
)
),
)
if target_postbuild:
target_postbuilds[configname] = target_postbuild
else:
ldflags = config.get("ldflags", [])
# Compute an rpath for this output if needed.
if any(dep.endswith(".so") or ".so." in dep for dep in deps):
# We want to get the literal string "$ORIGIN"
# into the link command, so we need lots of escaping.
ldflags.append(r"-Wl,-rpath=\$$ORIGIN/")
ldflags.append(r"-Wl,-rpath-link=\$(builddir)/")
library_dirs = config.get("library_dirs", [])
ldflags += [("-L%s" % library_dir) for library_dir in library_dirs]
self.WriteList(ldflags, "LDFLAGS_%s" % configname)
if self.flavor == "mac":
self.WriteList(
self.xcode_settings.GetLibtoolflags(configname),
"LIBTOOLFLAGS_%s" % configname,
)
libraries = spec.get("libraries")
if libraries:
# Remove duplicate entries
libraries = gyp.common.uniquer(libraries)
if self.flavor == "mac":
libraries = self.xcode_settings.AdjustLibraries(libraries)
self.WriteList(libraries, "LIBS")
self.WriteLn(
"%s: GYP_LDFLAGS := $(LDFLAGS_$(BUILDTYPE))"
% QuoteSpaces(self.output_binary)
)
self.WriteLn("%s: LIBS := $(LIBS)" % QuoteSpaces(self.output_binary))
if self.flavor == "mac":
self.WriteLn(
"%s: GYP_LIBTOOLFLAGS := $(LIBTOOLFLAGS_$(BUILDTYPE))"
% QuoteSpaces(self.output_binary)
)
# Postbuild actions. Like actions, but implicitly depend on the target's
# output.
postbuilds = []
if self.flavor == "mac":
if target_postbuilds:
postbuilds.append("$(TARGET_POSTBUILDS_$(BUILDTYPE))")
postbuilds.extend(gyp.xcode_emulation.GetSpecPostbuildCommands(spec))
if postbuilds:
# Envvars may be referenced by TARGET_POSTBUILDS_$(BUILDTYPE),
# so we must output its definition first, since we declare variables
# using ":=".
self.WriteSortedXcodeEnv(self.output, self.GetSortedXcodePostbuildEnv())
for configname in target_postbuilds:
self.WriteLn(
"%s: TARGET_POSTBUILDS_%s := %s"
% (
QuoteSpaces(self.output),
configname,
gyp.common.EncodePOSIXShellList(target_postbuilds[configname]),
)
)
# Postbuilds expect to be run in the gyp file's directory, so insert an
# implicit postbuild to cd to there.
postbuilds.insert(0, gyp.common.EncodePOSIXShellList(["cd", self.path]))
for i, postbuild in enumerate(postbuilds):
if not postbuild.startswith("$"):
postbuilds[i] = EscapeShellArgument(postbuild)
self.WriteLn("%s: builddir := $(abs_builddir)" % QuoteSpaces(self.output))
self.WriteLn(
"%s: POSTBUILDS := %s"
% (QuoteSpaces(self.output), " ".join(postbuilds))
)
# A bundle directory depends on its dependencies such as bundle resources
# and bundle binary. When all dependencies have been built, the bundle
# needs to be packaged.
if self.is_mac_bundle:
# If the framework doesn't contain a binary, then nothing depends
# on the actions -- make the framework depend on them directly too.
self.WriteDependencyOnExtraOutputs(self.output, extra_outputs)
# Bundle dependencies. Note that the code below adds actions to this
# target, so if you move these two lines, move the lines below as well.
self.WriteList([QuoteSpaces(dep) for dep in bundle_deps], "BUNDLE_DEPS")
self.WriteLn("%s: $(BUNDLE_DEPS)" % QuoteSpaces(self.output))
# After the framework is built, package it. Needs to happen before
# postbuilds, since postbuilds depend on this.
if self.type in ("shared_library", "loadable_module"):
self.WriteLn(
"\t@$(call do_cmd,mac_package_framework,,,%s)"
% self.xcode_settings.GetFrameworkVersion()
)
# Bundle postbuilds can depend on the whole bundle, so run them after
# the bundle is packaged, not already after the bundle binary is done.
if postbuilds:
self.WriteLn("\t@$(call do_postbuilds)")
postbuilds = [] # Don't write postbuilds for target's output.
# Needed by test/mac/gyptest-rebuild.py.
self.WriteLn("\t@true # No-op, used by tests")
# Since this target depends on binary and resources which are in
# nested subfolders, the framework directory will be older than
# its dependencies usually. To prevent this rule from executing
# on every build (expensive, especially with postbuilds), expliclity
# update the time on the framework directory.
self.WriteLn("\t@touch -c %s" % QuoteSpaces(self.output))
if postbuilds:
assert not self.is_mac_bundle, (
"Postbuilds for bundles should be done "
"on the bundle, not the binary (target '%s')" % self.target
)
assert "product_dir" not in spec, (
"Postbuilds do not work with " "custom product_dir"
)
if self.type == "executable":
self.WriteLn(
"%s: LD_INPUTS := %s"
% (
QuoteSpaces(self.output_binary),
" ".join(QuoteSpaces(dep) for dep in link_deps),
)
)
if self.toolset == "host" and self.flavor == "android":
self.WriteDoCmd(
[self.output_binary],
link_deps,
"link_host",
part_of_all,
postbuilds=postbuilds,
)
else:
self.WriteDoCmd(
[self.output_binary],
link_deps,
"link",
part_of_all,
postbuilds=postbuilds,
)
elif self.type == "static_library":
for link_dep in link_deps:
assert " " not in link_dep, (
"Spaces in alink input filenames not supported (%s)" % link_dep
)
if (
self.flavor not in ("mac", "openbsd", "netbsd", "win")
and not self.is_standalone_static_library
):
if self.flavor in ("linux", "android"):
self.WriteMakeRule(
[self.output_binary],
link_deps,
actions=["$(call create_thin_archive,$@,$^)"],
)
else:
self.WriteDoCmd(
[self.output_binary],
link_deps,
"alink_thin",
part_of_all,
postbuilds=postbuilds,
)
else:
if self.flavor in ("linux", "android"):
self.WriteMakeRule(
[self.output_binary],
link_deps,
actions=["$(call create_archive,$@,$^)"],
)
else:
self.WriteDoCmd(
[self.output_binary],
link_deps,
"alink",
part_of_all,
postbuilds=postbuilds,
)
elif self.type == "shared_library":
self.WriteLn(
"%s: LD_INPUTS := %s"
% (
QuoteSpaces(self.output_binary),
" ".join(QuoteSpaces(dep) for dep in link_deps),
)
)
self.WriteDoCmd(
[self.output_binary],
link_deps,
"solink",
part_of_all,
postbuilds=postbuilds,
)
# z/OS has a .so target as well as a sidedeck .x target
if self.flavor == "zos":
self.WriteLn(
"%s: %s"
% (
QuoteSpaces(
self.GetSharedObjectFromSidedeck(self.output_binary)
),
QuoteSpaces(self.output_binary),
)
)
elif self.type == "loadable_module":
for link_dep in link_deps:
assert " " not in link_dep, (
"Spaces in module input filenames not supported (%s)" % link_dep
)
if self.toolset == "host" and self.flavor == "android":
self.WriteDoCmd(
[self.output_binary],
link_deps,
"solink_module_host",
part_of_all,
postbuilds=postbuilds,
)
else:
self.WriteDoCmd(
[self.output_binary],
link_deps,
"solink_module",
part_of_all,
postbuilds=postbuilds,
)
elif self.type == "none":
# Write a stamp line.
self.WriteDoCmd(
[self.output_binary], deps, "touch", part_of_all, postbuilds=postbuilds
)
else:
print("WARNING: no output for", self.type, self.target)
# Add an alias for each target (if there are any outputs).
# Installable target aliases are created below.
if (self.output and self.output != self.target) and (
self.type not in self._INSTALLABLE_TARGETS
):
self.WriteMakeRule(
[self.target], [self.output], comment="Add target alias", phony=True
)
if part_of_all:
self.WriteMakeRule(
["all"],
[self.target],
comment='Add target alias to "all" target.',
phony=True,
)
# Add special-case rules for our installable targets.
# 1) They need to install to the build dir or "product" dir.
# 2) They get shortcuts for building (e.g. "make chrome").
# 3) They are part of "make all".
if self.type in self._INSTALLABLE_TARGETS or self.is_standalone_static_library:
if self.type == "shared_library":
file_desc = "shared library"
elif self.type == "static_library":
file_desc = "static library"
else:
file_desc = "executable"
install_path = self._InstallableTargetInstallPath()
installable_deps = []
if self.flavor != "zos":
installable_deps.append(self.output)
if (
self.flavor == "mac"
and "product_dir" not in spec
and self.toolset == "target"
):
# On mac, products are created in install_path immediately.
assert install_path == self.output, f"{install_path} != {self.output}"
# Point the target alias to the final binary output.
self.WriteMakeRule(
[self.target], [install_path], comment="Add target alias", phony=True
)
if install_path != self.output:
assert not self.is_mac_bundle # See comment a few lines above.
self.WriteDoCmd(
[install_path],
[self.output],
"copy",
comment="Copy this to the %s output path." % file_desc,
part_of_all=part_of_all,
)
if self.flavor != "zos":
installable_deps.append(install_path)
if self.flavor == "zos" and self.type == "shared_library":
# lib.target/libnode.so has a dependency on $(obj).target/libnode.so
self.WriteDoCmd(
[self.GetSharedObjectFromSidedeck(install_path)],
[self.GetSharedObjectFromSidedeck(self.output)],
"copy",
comment="Copy this to the %s output path." % file_desc,
part_of_all=part_of_all,
)
# Create a symlink of libnode.x to libnode.version.x
self.WriteDoCmd(
[self.GetUnversionedSidedeckFromSidedeck(install_path)],
[install_path],
"symlink",
comment="Symlnk this to the %s output path." % file_desc,
part_of_all=part_of_all,
)
# Place libnode.version.so and libnode.x symlink in lib.target dir
installable_deps.append(self.GetSharedObjectFromSidedeck(install_path))
installable_deps.append(
self.GetUnversionedSidedeckFromSidedeck(install_path)
)
if self.alias not in (self.output, self.target):
self.WriteMakeRule(
[self.alias],
installable_deps,
comment="Short alias for building this %s." % file_desc,
phony=True,
)
if self.flavor == "zos" and self.type == "shared_library":
# Make sure that .x symlink target is run
self.WriteMakeRule(
["all"],
[
self.GetUnversionedSidedeckFromSidedeck(install_path),
self.GetSharedObjectFromSidedeck(install_path),
],
comment='Add %s to "all" target.' % file_desc,
phony=True,
)
elif part_of_all:
self.WriteMakeRule(
["all"],
[install_path],
comment='Add %s to "all" target.' % file_desc,
phony=True,
)
def WriteList(self, value_list, variable=None, prefix="", quoter=QuoteIfNecessary):
"""Write a variable definition that is a list of values.
E.g. WriteList(['a','b'], 'foo', prefix='blah') writes out
foo = blaha blahb
but in a pretty-printed style.
"""
values = ""
if value_list:
value_list = [quoter(prefix + value) for value in value_list]
values = " \\\n\t" + " \\\n\t".join(value_list)
self.fp.write(f"{variable} :={values}\n\n")
def WriteDoCmd(
self, outputs, inputs, command, part_of_all, comment=None, postbuilds=False
):
"""Write a Makefile rule that uses do_cmd.
This makes the outputs dependent on the command line that was run,
as well as support the V= make command line flag.
"""
suffix = ""
if postbuilds:
assert "," not in command
suffix = ",,1" # Tell do_cmd to honor $POSTBUILDS
self.WriteMakeRule(
outputs,
inputs,
actions=[f"$(call do_cmd,{command}{suffix})"],
comment=comment,
command=command,
force=True,
)
# Add our outputs to the list of targets we read depfiles from.
# all_deps is only used for deps file reading, and for deps files we replace
# spaces with ? because escaping doesn't work with make's $(sort) and
# other functions.
outputs = [QuoteSpaces(o, SPACE_REPLACEMENT) for o in outputs]
self.WriteLn("all_deps += %s" % " ".join(outputs))
def WriteMakeRule(
self,
outputs,
inputs,
actions=None,
comment=None,
order_only=False,
force=False,
phony=False,
command=None,
):
"""Write a Makefile rule, with some extra tricks.
outputs: a list of outputs for the rule (note: this is not directly
supported by make; see comments below)
inputs: a list of inputs for the rule
actions: a list of shell commands to run for the rule
comment: a comment to put in the Makefile above the rule (also useful
for making this Python script's code self-documenting)
order_only: if true, makes the dependency order-only
force: if true, include FORCE_DO_CMD as an order-only dep
phony: if true, the rule does not actually generate the named output, the
output is just a name to run the rule
command: (optional) command name to generate unambiguous labels
"""
outputs = [QuoteSpaces(o) for o in outputs]
inputs = [QuoteSpaces(i) for i in inputs]
if comment:
self.WriteLn("# " + comment)
if phony:
self.WriteLn(".PHONY: " + " ".join(outputs))
if actions:
self.WriteLn("%s: TOOLSET := $(TOOLSET)" % outputs[0])
force_append = " FORCE_DO_CMD" if force else ""
if order_only:
# Order only rule: Just write a simple rule.
# TODO(evanm): just make order_only a list of deps instead of this hack.
self.WriteLn(
"{}: | {}{}".format(" ".join(outputs), " ".join(inputs), force_append)
)
elif len(outputs) == 1:
# Regular rule, one output: Just write a simple rule.
self.WriteLn("{}: {}{}".format(outputs[0], " ".join(inputs), force_append))
else:
# Regular rule, more than one output: Multiple outputs are tricky in
# make. We will write three rules:
# - All outputs depend on an intermediate file.
# - Make .INTERMEDIATE depend on the intermediate.
# - The intermediate file depends on the inputs and executes the
# actual command.
# - The intermediate recipe will 'touch' the intermediate file.
# - The multi-output rule will have an do-nothing recipe.
# Hash the target name to avoid generating overlong filenames.
cmddigest = hashlib.sha1(
(command or self.target).encode("utf-8")
).hexdigest()
intermediate = "%s.intermediate" % cmddigest
self.WriteLn("{}: {}".format(" ".join(outputs), intermediate))
self.WriteLn("\t%s" % "@:")
self.WriteLn("{}: {}".format(".INTERMEDIATE", intermediate))
self.WriteLn(
"{}: {}{}".format(intermediate, " ".join(inputs), force_append)
)
actions.insert(0, "$(call do_cmd,touch)")
if actions:
for action in actions:
self.WriteLn("\t%s" % action)
self.WriteLn()
def WriteAndroidNdkModuleRule(self, module_name, all_sources, link_deps):
"""Write a set of LOCAL_XXX definitions for Android NDK.
These variable definitions will be used by Android NDK but do nothing for
non-Android applications.
Arguments:
module_name: Android NDK module name, which must be unique among all
module names.
all_sources: A list of source files (will be filtered by Compilable).
link_deps: A list of link dependencies, which must be sorted in
the order from dependencies to dependents.
"""
if self.type not in ("executable", "shared_library", "static_library"):
return
self.WriteLn("# Variable definitions for Android applications")
self.WriteLn("include $(CLEAR_VARS)")
self.WriteLn("LOCAL_MODULE := " + module_name)
self.WriteLn(
"LOCAL_CFLAGS := $(CFLAGS_$(BUILDTYPE)) "
"$(DEFS_$(BUILDTYPE)) "
# LOCAL_CFLAGS is applied to both of C and C++. There is
# no way to specify $(CFLAGS_C_$(BUILDTYPE)) only for C
# sources.
"$(CFLAGS_C_$(BUILDTYPE)) "
# $(INCS_$(BUILDTYPE)) includes the prefix '-I' while
# LOCAL_C_INCLUDES does not expect it. So put it in
# LOCAL_CFLAGS.
"$(INCS_$(BUILDTYPE))"
)
# LOCAL_CXXFLAGS is obsolete and LOCAL_CPPFLAGS is preferred.
self.WriteLn("LOCAL_CPPFLAGS := $(CFLAGS_CC_$(BUILDTYPE))")
self.WriteLn("LOCAL_C_INCLUDES :=")
self.WriteLn("LOCAL_LDLIBS := $(LDFLAGS_$(BUILDTYPE)) $(LIBS)")
# Detect the C++ extension.
cpp_ext = {".cc": 0, ".cpp": 0, ".cxx": 0}
default_cpp_ext = ".cpp"
for filename in all_sources:
ext = os.path.splitext(filename)[1]
if ext in cpp_ext:
cpp_ext[ext] += 1
if cpp_ext[ext] > cpp_ext[default_cpp_ext]:
default_cpp_ext = ext
self.WriteLn("LOCAL_CPP_EXTENSION := " + default_cpp_ext)
self.WriteList(
list(map(self.Absolutify, filter(Compilable, all_sources))),
"LOCAL_SRC_FILES",
)
# Filter out those which do not match prefix and suffix and produce
# the resulting list without prefix and suffix.
def DepsToModules(deps, prefix, suffix):
modules = []
for filepath in deps:
filename = os.path.basename(filepath)
if filename.startswith(prefix) and filename.endswith(suffix):
modules.append(filename[len(prefix) : -len(suffix)])
return modules
# Retrieve the default value of 'SHARED_LIB_SUFFIX'
params = {"flavor": "linux"}
default_variables = {}
CalculateVariables(default_variables, params)
self.WriteList(
DepsToModules(
link_deps,
generator_default_variables["SHARED_LIB_PREFIX"],
default_variables["SHARED_LIB_SUFFIX"],
),
"LOCAL_SHARED_LIBRARIES",
)
self.WriteList(
DepsToModules(
link_deps,
generator_default_variables["STATIC_LIB_PREFIX"],
generator_default_variables["STATIC_LIB_SUFFIX"],
),
"LOCAL_STATIC_LIBRARIES",
)
if self.type == "executable":
self.WriteLn("include $(BUILD_EXECUTABLE)")
elif self.type == "shared_library":
self.WriteLn("include $(BUILD_SHARED_LIBRARY)")
elif self.type == "static_library":
self.WriteLn("include $(BUILD_STATIC_LIBRARY)")
self.WriteLn()
def WriteLn(self, text=""):
self.fp.write(text + "\n")
def GetSortedXcodeEnv(self, additional_settings=None):
return gyp.xcode_emulation.GetSortedXcodeEnv(
self.xcode_settings,
"$(abs_builddir)",
os.path.join("$(abs_srcdir)", self.path),
"$(BUILDTYPE)",
additional_settings,
)
def GetSortedXcodePostbuildEnv(self):
# CHROMIUM_STRIP_SAVE_FILE is a chromium-specific hack.
# TODO(thakis): It would be nice to have some general mechanism instead.
strip_save_file = self.xcode_settings.GetPerTargetSetting(
"CHROMIUM_STRIP_SAVE_FILE", ""
)
# Even if strip_save_file is empty, explicitly write it. Else a postbuild
# might pick up an export from an earlier target.
return self.GetSortedXcodeEnv(
additional_settings={"CHROMIUM_STRIP_SAVE_FILE": strip_save_file}
)
def WriteSortedXcodeEnv(self, target, env):
for k, v in env:
# For
# foo := a\ b
# the escaped space does the right thing. For
# export foo := a\ b
# it does not -- the backslash is written to the env as literal character.
# So don't escape spaces in |env[k]|.
self.WriteLn(f"{QuoteSpaces(target)}: export {k} := {v}")
def Objectify(self, path):
"""Convert a path to its output directory form."""
if "$(" in path:
path = path.replace("$(obj)/", "$(obj).%s/$(TARGET)/" % self.toolset)
if "$(obj)" not in path:
path = f"$(obj).{self.toolset}/$(TARGET)/{path}"
return path
def Pchify(self, path, lang):
"""Convert a prefix header path to its output directory form."""
path = self.Absolutify(path)
if "$(" in path:
path = path.replace(
"$(obj)/", f"$(obj).{self.toolset}/$(TARGET)/pch-{lang}"
)
return path
return f"$(obj).{self.toolset}/$(TARGET)/pch-{lang}/{path}"
def Absolutify(self, path):
"""Convert a subdirectory-relative path into a base-relative path.
Skips over paths that contain variables."""
if "$(" in path:
# Don't call normpath in this case, as it might collapse the
# path too aggressively if it features '..'. However it's still
# important to strip trailing slashes.
return path.rstrip("/")
return os.path.normpath(os.path.join(self.path, path))
def ExpandInputRoot(self, template, expansion, dirname):
if "%(INPUT_ROOT)s" not in template and "%(INPUT_DIRNAME)s" not in template:
return template
path = template % {
"INPUT_ROOT": expansion,
"INPUT_DIRNAME": dirname,
}
return path
def _InstallableTargetInstallPath(self):
"""Returns the location of the final output for an installable target."""
# Functionality removed for all platforms to match Xcode and hoist
# shared libraries into PRODUCT_DIR for users:
# Xcode puts shared_library results into PRODUCT_DIR, and some gyp files
# rely on this. Emulate this behavior for mac.
# if self.type == "shared_library" and (
# self.flavor != "mac" or self.toolset != "target"
# ):
# # Install all shared libs into a common directory (per toolset) for
# # convenient access with LD_LIBRARY_PATH.
# return "$(builddir)/lib.%s/%s" % (self.toolset, self.alias)
if self.flavor == "zos" and self.type == "shared_library":
return "$(builddir)/lib.%s/%s" % (self.toolset, self.alias)
return "$(builddir)/" + self.alias
def WriteAutoRegenerationRule(params, root_makefile, makefile_name, build_files):
"""Write the target to regenerate the Makefile."""
options = params["options"]
build_files_args = [
gyp.common.RelativePath(filename, options.toplevel_dir)
for filename in params["build_files_arg"]
]
gyp_binary = gyp.common.FixIfRelativePath(
params["gyp_binary"], options.toplevel_dir
)
if not gyp_binary.startswith(os.sep):
gyp_binary = os.path.join(".", gyp_binary)
root_makefile.write(
"quiet_cmd_regen_makefile = ACTION Regenerating $@\n"
"cmd_regen_makefile = cd $(srcdir); %(cmd)s\n"
"%(makefile_name)s: %(deps)s\n"
"\t$(call do_cmd,regen_makefile)\n\n"
% {
"makefile_name": makefile_name,
"deps": " ".join(SourceifyAndQuoteSpaces(bf) for bf in build_files),
"cmd": gyp.common.EncodePOSIXShellList(
[gyp_binary, "-fmake"] + gyp.RegenerateFlags(options) + build_files_args
),
}
)
def PerformBuild(data, configurations, params):
options = params["options"]
for config in configurations:
arguments = ["make"]
if options.toplevel_dir and options.toplevel_dir != ".":
arguments += "-C", options.toplevel_dir
arguments.append("BUILDTYPE=" + config)
print(f"Building [{config}]: {arguments}")
subprocess.check_call(arguments)
def GenerateOutput(target_list, target_dicts, data, params):
options = params["options"]
flavor = gyp.common.GetFlavor(params)
generator_flags = params.get("generator_flags", {})
builddir_name = generator_flags.get("output_dir", "out")
android_ndk_version = generator_flags.get("android_ndk_version", None)
default_target = generator_flags.get("default_target", "all")
def CalculateMakefilePath(build_file, base_name):
"""Determine where to write a Makefile for a given gyp file."""
# Paths in gyp files are relative to the .gyp file, but we want
# paths relative to the source root for the master makefile. Grab
# the path of the .gyp file as the base to relativize against.
# E.g. "foo/bar" when we're constructing targets for "foo/bar/baz.gyp".
base_path = gyp.common.RelativePath(os.path.dirname(build_file), options.depth)
# We write the file in the base_path directory.
output_file = os.path.join(options.depth, base_path, base_name)
if options.generator_output:
output_file = os.path.join(
options.depth, options.generator_output, base_path, base_name
)
base_path = gyp.common.RelativePath(
os.path.dirname(build_file), options.toplevel_dir
)
return base_path, output_file
# TODO: search for the first non-'Default' target. This can go
# away when we add verification that all targets have the
# necessary configurations.
default_configuration = None
toolsets = {target_dicts[target]["toolset"] for target in target_list}
for target in target_list:
spec = target_dicts[target]
if spec["default_configuration"] != "Default":
default_configuration = spec["default_configuration"]
break
if not default_configuration:
default_configuration = "Default"
srcdir = "."
makefile_name = "Makefile" + options.suffix
makefile_path = os.path.join(options.toplevel_dir, makefile_name)
if options.generator_output:
global srcdir_prefix
makefile_path = os.path.join(
options.toplevel_dir, options.generator_output, makefile_name
)
srcdir = gyp.common.RelativePath(srcdir, options.generator_output)
srcdir_prefix = "$(srcdir)/"
flock_command = "flock"
copy_archive_arguments = "-af"
makedep_arguments = "-MMD"
header_params = {
"default_target": default_target,
"builddir": builddir_name,
"default_configuration": default_configuration,
"flock": flock_command,
"flock_index": 1,
"link_commands": LINK_COMMANDS_LINUX,
"extra_commands": "",
"srcdir": srcdir,
"copy_archive_args": copy_archive_arguments,
"makedep_args": makedep_arguments,
"CC.target": GetEnvironFallback(("CC_target", "CC"), "$(CC)"),
"AR.target": GetEnvironFallback(("AR_target", "AR"), "$(AR)"),
"CXX.target": GetEnvironFallback(("CXX_target", "CXX"), "$(CXX)"),
"LINK.target": GetEnvironFallback(("LINK_target", "LINK"), "$(LINK)"),
"PLI.target": GetEnvironFallback(("PLI_target", "PLI"), "pli"),
"CC.host": GetEnvironFallback(("CC_host", "CC"), "gcc"),
"AR.host": GetEnvironFallback(("AR_host", "AR"), "ar"),
"CXX.host": GetEnvironFallback(("CXX_host", "CXX"), "g++"),
"LINK.host": GetEnvironFallback(("LINK_host", "LINK"), "$(CXX.host)"),
"PLI.host": GetEnvironFallback(("PLI_host", "PLI"), "pli"),
}
if flavor == "mac":
flock_command = "./gyp-mac-tool flock"
header_params.update(
{
"flock": flock_command,
"flock_index": 2,
"link_commands": LINK_COMMANDS_MAC,
"extra_commands": SHARED_HEADER_MAC_COMMANDS,
}
)
elif flavor == "android":
header_params.update({"link_commands": LINK_COMMANDS_ANDROID})
elif flavor == "zos":
copy_archive_arguments = "-fPR"
CC_target = GetEnvironFallback(("CC_target", "CC"), "njsc")
makedep_arguments = "-MMD"
if CC_target == "clang":
CC_host = GetEnvironFallback(("CC_host", "CC"), "clang")
CXX_target = GetEnvironFallback(("CXX_target", "CXX"), "clang++")
CXX_host = GetEnvironFallback(("CXX_host", "CXX"), "clang++")
elif CC_target == "ibm-clang64":
CC_host = GetEnvironFallback(("CC_host", "CC"), "ibm-clang64")
CXX_target = GetEnvironFallback(("CXX_target", "CXX"), "ibm-clang++64")
CXX_host = GetEnvironFallback(("CXX_host", "CXX"), "ibm-clang++64")
elif CC_target == "ibm-clang":
CC_host = GetEnvironFallback(("CC_host", "CC"), "ibm-clang")
CXX_target = GetEnvironFallback(("CXX_target", "CXX"), "ibm-clang++")
CXX_host = GetEnvironFallback(("CXX_host", "CXX"), "ibm-clang++")
else:
# Node.js versions prior to v18:
makedep_arguments = "-qmakedep=gcc"
CC_host = GetEnvironFallback(("CC_host", "CC"), "njsc")
CXX_target = GetEnvironFallback(("CXX_target", "CXX"), "njsc++")
CXX_host = GetEnvironFallback(("CXX_host", "CXX"), "njsc++")
header_params.update(
{
"copy_archive_args": copy_archive_arguments,
"makedep_args": makedep_arguments,
"link_commands": LINK_COMMANDS_OS390,
"extra_commands": SHARED_HEADER_OS390_COMMANDS,
"CC.target": CC_target,
"CXX.target": CXX_target,
"CC.host": CC_host,
"CXX.host": CXX_host,
}
)
elif flavor == "solaris":
copy_archive_arguments = "-pPRf@"
header_params.update(
{
"copy_archive_args": copy_archive_arguments,
"flock": "./gyp-flock-tool flock",
"flock_index": 2,
}
)
elif flavor == "freebsd":
# Note: OpenBSD has sysutils/flock. lockf seems to be FreeBSD specific.
header_params.update({"flock": "lockf"})
elif flavor == "openbsd":
copy_archive_arguments = "-pPRf"
header_params.update({"copy_archive_args": copy_archive_arguments})
elif flavor == "aix":
copy_archive_arguments = "-pPRf"
header_params.update(
{
"copy_archive_args": copy_archive_arguments,
"link_commands": LINK_COMMANDS_AIX,
"flock": "./gyp-flock-tool flock",
"flock_index": 2,
}
)
elif flavor == "os400":
copy_archive_arguments = "-pPRf"
header_params.update(
{
"copy_archive_args": copy_archive_arguments,
"link_commands": LINK_COMMANDS_OS400,
"flock": "./gyp-flock-tool flock",
"flock_index": 2,
}
)
build_file, _, _ = gyp.common.ParseQualifiedTarget(target_list[0])
make_global_settings_array = data[build_file].get("make_global_settings", [])
wrappers = {}
for key, value in make_global_settings_array:
if key.endswith("_wrapper"):
wrappers[key[: -len("_wrapper")]] = "$(abspath %s)" % value
make_global_settings = ""
for key, value in make_global_settings_array:
if re.match(".*_wrapper", key):
continue
if value[0] != "$":
value = "$(abspath %s)" % value
wrapper = wrappers.get(key)
if wrapper:
value = f"{wrapper} {value}"
del wrappers[key]
if key in ("CC", "CC.host", "CXX", "CXX.host"):
make_global_settings += (
"ifneq (,$(filter $(origin %s), undefined default))\n" % key
)
# Let gyp-time envvars win over global settings.
env_key = key.replace(".", "_") # CC.host -> CC_host
if env_key in os.environ:
value = os.environ[env_key]
make_global_settings += f" {key} = {value}\n"
make_global_settings += "endif\n"
else:
make_global_settings += f"{key} ?= {value}\n"
# TODO(ukai): define cmd when only wrapper is specified in
# make_global_settings.
header_params["make_global_settings"] = make_global_settings
gyp.common.EnsureDirExists(makefile_path)
root_makefile = open(makefile_path, "w")
root_makefile.write(SHARED_HEADER % header_params)
# Currently any versions have the same effect, but in future the behavior
# could be different.
if android_ndk_version:
root_makefile.write(
"# Define LOCAL_PATH for build of Android applications.\n"
"LOCAL_PATH := $(call my-dir)\n"
"\n"
)
for toolset in toolsets:
root_makefile.write("TOOLSET := %s\n" % toolset)
WriteRootHeaderSuffixRules(root_makefile)
# Put build-time support tools next to the root Makefile.
dest_path = os.path.dirname(makefile_path)
gyp.common.CopyTool(flavor, dest_path)
# Find the list of targets that derive from the gyp file(s) being built.
needed_targets = set()
for build_file in params["build_files"]:
for target in gyp.common.AllTargets(target_list, target_dicts, build_file):
needed_targets.add(target)
build_files = set()
include_list = set()
for qualified_target in target_list:
build_file, target, toolset = gyp.common.ParseQualifiedTarget(qualified_target)
this_make_global_settings = data[build_file].get("make_global_settings", [])
assert make_global_settings_array == this_make_global_settings, (
"make_global_settings needs to be the same for all targets "
f"{this_make_global_settings} vs. {make_global_settings}"
)
build_files.add(gyp.common.RelativePath(build_file, options.toplevel_dir))
included_files = data[build_file]["included_files"]
for included_file in included_files:
# The included_files entries are relative to the dir of the build file
# that included them, so we have to undo that and then make them relative
# to the root dir.
relative_include_file = gyp.common.RelativePath(
gyp.common.UnrelativePath(included_file, build_file),
options.toplevel_dir,
)
abs_include_file = os.path.abspath(relative_include_file)
# If the include file is from the ~/.gyp dir, we should use absolute path
# so that relocating the src dir doesn't break the path.
if params["home_dot_gyp"] and abs_include_file.startswith(
params["home_dot_gyp"]
):
build_files.add(abs_include_file)
else:
build_files.add(relative_include_file)
base_path, output_file = CalculateMakefilePath(
build_file, target + "." + toolset + options.suffix + ".mk"
)
spec = target_dicts[qualified_target]
configs = spec["configurations"]
if flavor == "mac":
gyp.xcode_emulation.MergeGlobalXcodeSettingsToSpec(data[build_file], spec)
writer = MakefileWriter(generator_flags, flavor)
writer.Write(
qualified_target,
base_path,
output_file,
spec,
configs,
part_of_all=qualified_target in needed_targets,
)
# Our root_makefile lives at the source root. Compute the relative path
# from there to the output_file for including.
mkfile_rel_path = gyp.common.RelativePath(
output_file, os.path.dirname(makefile_path)
)
include_list.add(mkfile_rel_path)
# Write out per-gyp (sub-project) Makefiles.
depth_rel_path = gyp.common.RelativePath(options.depth, os.getcwd())
for build_file in build_files:
# The paths in build_files were relativized above, so undo that before
# testing against the non-relativized items in target_list and before
# calculating the Makefile path.
build_file = os.path.join(depth_rel_path, build_file)
gyp_targets = [
target_dicts[qualified_target]["target_name"]
for qualified_target in target_list
if qualified_target.startswith(build_file)
and qualified_target in needed_targets
]
# Only generate Makefiles for gyp files with targets.
if not gyp_targets:
continue
base_path, output_file = CalculateMakefilePath(
build_file, os.path.splitext(os.path.basename(build_file))[0] + ".Makefile"
)
makefile_rel_path = gyp.common.RelativePath(
os.path.dirname(makefile_path), os.path.dirname(output_file)
)
writer.WriteSubMake(output_file, makefile_rel_path, gyp_targets, builddir_name)
# Write out the sorted list of includes.
root_makefile.write("\n")
for include_file in sorted(include_list):
# We wrap each .mk include in an if statement so users can tell make to
# not load a file by setting NO_LOAD. The below make code says, only
# load the .mk file if the .mk filename doesn't start with a token in
# NO_LOAD.
root_makefile.write(
"ifeq ($(strip $(foreach prefix,$(NO_LOAD),\\\n"
" $(findstring $(join ^,$(prefix)),\\\n"
" $(join ^," + include_file + ")))),)\n"
)
root_makefile.write(" include " + include_file + "\n")
root_makefile.write("endif\n")
root_makefile.write("\n")
if not generator_flags.get("standalone") and generator_flags.get(
"auto_regeneration", True
):
WriteAutoRegenerationRule(params, root_makefile, makefile_name, build_files)
root_makefile.write(SHARED_FOOTER)
root_makefile.close()