|
# 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 := .. |
|
abs_srcdir := $(abspath $(srcdir)) |
|
|
|
# The name of the builddir. |
|
builddir_name ?= out |
|
|
|
# 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 ?= Debug |
|
|
|
# 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 := |
|
|
|
|
|
|
|
# C++ apps need to be linked with g++. |
|
# |
|
# Note: flock is used to seralize linking. Linking is a memory-intensive |
|
# process so running parallel links can often lead to thrashing. To disable |
|
# the serialization, override LINK via an envrionment variable as follows: |
|
# |
|
# export LINK=g++ |
|
# |
|
# This will allow make to invoke N linker processes as specified in -jN. |
|
LINK ?= ./gyp-mac-tool flock $(builddir)/linker.lock $(CXX) |
|
|
|
CC.target ?= $(CC) |
|
CFLAGS.target ?= $(CFLAGS) |
|
CXX.target ?= $(CXX) |
|
CXXFLAGS.target ?= $(CXXFLAGS) |
|
LINK.target ?= $(LINK) |
|
LDFLAGS.target ?= $(LDFLAGS) |
|
AR.target ?= $(AR) |
|
ARFLAGS.target ?= crs |
|
|
|
# N.B.: the logic of which commands to run should match the computation done |
|
# in gyp's make.py where ARFLAGS.host etc. is computed. |
|
# 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 ?= gcc |
|
CFLAGS.host ?= |
|
CXX.host ?= g++ |
|
CXXFLAGS.host ?= |
|
LINK.host ?= g++ |
|
LDFLAGS.host ?= |
|
AR.host ?= ar |
|
ARFLAGS.host := crs |
|
|
|
# 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),?,$1) |
|
unreplace_spaces = $(subst ?,$(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 = -MMD -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. |
|
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)) $(GYP_CFLAGS) $(DEPFLAGS) $(CFLAGS.$(TOOLSET)) -c -o $@ $< |
|
|
|
quiet_cmd_cxx = CXX($(TOOLSET)) $@ |
|
cmd_cxx = $(CXX.$(TOOLSET)) $(GYP_CXXFLAGS) $(DEPFLAGS) $(CXXFLAGS.$(TOOLSET)) -c -o $@ $< |
|
|
|
quiet_cmd_objc = CXX($(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 "$@" |
|
|
|
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 -af "$<" "$@") |
|
|
|
quiet_cmd_alink = LIBTOOL-STATIC $@ |
|
cmd_alink = rm -f $@ && ./gyp-mac-tool filter-libtool libtool -static -o $@ $(filter %.o,$^) |
|
|
|
quiet_cmd_link = LINK($(TOOLSET)) $@ |
|
cmd_link = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o "$@" $(LD_INPUTS) $(LIBS) |
|
|
|
# TODO(thakis): Find out and document the difference between shared_library and |
|
# loadable_module on mac. |
|
quiet_cmd_solink = SOLINK($(TOOLSET)) $@ |
|
cmd_solink = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o "$@" $(LD_INPUTS) $(LIBS) |
|
|
|
# TODO(thakis): The solink_module rule is likely wrong. Xcode seems to pass |
|
# -bundle -single_module here (for osmesa.so). |
|
quiet_cmd_solink_module = SOLINK_MODULE($(TOOLSET)) $@ |
|
cmd_solink_module = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(filter-out FORCE_DO_CMD, $^) $(LIBS) |
|
|
|
|
|
# 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 $$,$$$$,$(1)) |
|
# Helper that expands to a shell command to echo a string exactly as it is in |
|
# make. This uses printf instead of echo because printf's behaviour with respect |
|
# to escape sequences is more portable than echo's across different shells |
|
# (e.g., dash, bash). |
|
exact_echo = printf '%s\n' '$(call escape_quotes,$(1))' |
|
|
|
# Helper to compare the command we're about to run against the command |
|
# we logged the last time we ran the command. Produces an empty |
|
# string (false) when the commands match. |
|
# Tricky point: Make has no string-equality test function. |
|
# The kernel uses the following, but it seems like it would have false |
|
# positives, where one string reordered its arguments. |
|
# arg_check = $(strip $(filter-out $(cmd_$(1)), $(cmd_$@)) \ |
|
# $(filter-out $(cmd_$@), $(cmd_$(1)))) |
|
# We instead substitute each for the empty string into the other, and |
|
# say they're equal if both substitutions produce the empty string. |
|
# .d files contain ? instead of spaces, take that into account. |
|
command_changed = $(or $(subst $(cmd_$(1)),,$(cmd_$(call replace_spaces,$@))),\ |
|
$(subst $(cmd_$(call replace_spaces,$@)),,$(cmd_$(1)))) |
|
|
|
# Helper that is non-empty when a prerequisite changes. |
|
# Normally make does this implicitly, but we force rules to always run |
|
# so we can check their command lines. |
|
# $? -- new prerequisites |
|
# $| -- order-only dependencies |
|
prereq_changed = $(filter-out FORCE_DO_CMD,$(filter-out $|,$?)) |
|
|
|
# Helper that executes all postbuilds, and deletes the output file when done |
|
# if any of the postbuilds failed. |
|
define do_postbuilds |
|
@E=0;\ |
|
for p in $(POSTBUILDS); do\ |
|
eval $$p;\ |
|
F=$$?;\ |
|
if [ $$F -ne 0 ]; then\ |
|
E=$$F;\ |
|
fi;\ |
|
done;\ |
|
if [ $$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 ? for |
|
# spaces already and dirx strips the ? 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 2,$(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 "all" target first so it is the default, |
|
# even though we don't have the deps yet. |
|
.PHONY: all |
|
all: |
|
|
|
# Use FORCE_DO_CMD to force a target to run. Should be coupled with |
|
# do_cmd. |
|
.PHONY: FORCE_DO_CMD |
|
FORCE_DO_CMD: |
|
|
|
TOOLSET := target |
|
# Suffix rules, putting all outputs into $(obj). |
|
$(obj).$(TOOLSET)/%.o: $(srcdir)/%.c FORCE_DO_CMD |
|
@$(call do_cmd,cc,1) |
|
$(obj).$(TOOLSET)/%.o: $(srcdir)/%.cc FORCE_DO_CMD |
|
@$(call do_cmd,cxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(srcdir)/%.cpp FORCE_DO_CMD |
|
@$(call do_cmd,cxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(srcdir)/%.cxx FORCE_DO_CMD |
|
@$(call do_cmd,cxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(srcdir)/%.m FORCE_DO_CMD |
|
@$(call do_cmd,objc,1) |
|
$(obj).$(TOOLSET)/%.o: $(srcdir)/%.mm FORCE_DO_CMD |
|
@$(call do_cmd,objcxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(srcdir)/%.S FORCE_DO_CMD |
|
@$(call do_cmd,cc,1) |
|
$(obj).$(TOOLSET)/%.o: $(srcdir)/%.s FORCE_DO_CMD |
|
@$(call do_cmd,cc,1) |
|
|
|
# Try building from generated source, too. |
|
$(obj).$(TOOLSET)/%.o: $(obj).$(TOOLSET)/%.c FORCE_DO_CMD |
|
@$(call do_cmd,cc,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj).$(TOOLSET)/%.cc FORCE_DO_CMD |
|
@$(call do_cmd,cxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj).$(TOOLSET)/%.cpp FORCE_DO_CMD |
|
@$(call do_cmd,cxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj).$(TOOLSET)/%.cxx FORCE_DO_CMD |
|
@$(call do_cmd,cxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj).$(TOOLSET)/%.m FORCE_DO_CMD |
|
@$(call do_cmd,objc,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj).$(TOOLSET)/%.mm FORCE_DO_CMD |
|
@$(call do_cmd,objcxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj).$(TOOLSET)/%.S FORCE_DO_CMD |
|
@$(call do_cmd,cc,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj).$(TOOLSET)/%.s FORCE_DO_CMD |
|
@$(call do_cmd,cc,1) |
|
|
|
$(obj).$(TOOLSET)/%.o: $(obj)/%.c FORCE_DO_CMD |
|
@$(call do_cmd,cc,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj)/%.cc FORCE_DO_CMD |
|
@$(call do_cmd,cxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj)/%.cpp FORCE_DO_CMD |
|
@$(call do_cmd,cxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj)/%.cxx FORCE_DO_CMD |
|
@$(call do_cmd,cxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj)/%.m FORCE_DO_CMD |
|
@$(call do_cmd,objc,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj)/%.mm FORCE_DO_CMD |
|
@$(call do_cmd,objcxx,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj)/%.S FORCE_DO_CMD |
|
@$(call do_cmd,cc,1) |
|
$(obj).$(TOOLSET)/%.o: $(obj)/%.s FORCE_DO_CMD |
|
@$(call do_cmd,cc,1) |
|
|
|
|
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,build/All.target.x64.mk)))),) |
|
include build/All.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,preparser/preparser.target.x64.mk)))),) |
|
include preparser/preparser.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,samples/lineprocessor.target.x64.mk)))),) |
|
include samples/lineprocessor.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,samples/process.target.x64.mk)))),) |
|
include samples/process.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,samples/shell.target.x64.mk)))),) |
|
include samples/shell.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,src/d8.target.x64.mk)))),) |
|
include src/d8.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,src/d8_js2c.target.x64.mk)))),) |
|
include src/d8_js2c.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,test/cctest/cctest.target.x64.mk)))),) |
|
include test/cctest/cctest.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,test/cctest/resources.target.x64.mk)))),) |
|
include test/cctest/resources.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,tools/gyp/js2c.target.x64.mk)))),) |
|
include tools/gyp/js2c.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,tools/gyp/mksnapshot.x64.target.x64.mk)))),) |
|
include tools/gyp/mksnapshot.x64.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,tools/gyp/postmortem-metadata.target.x64.mk)))),) |
|
include tools/gyp/postmortem-metadata.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,tools/gyp/v8.target.x64.mk)))),) |
|
include tools/gyp/v8.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,tools/gyp/v8_base.x64.target.x64.mk)))),) |
|
include tools/gyp/v8_base.x64.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,tools/gyp/v8_nosnapshot.x64.target.x64.mk)))),) |
|
include tools/gyp/v8_nosnapshot.x64.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,tools/gyp/v8_shell.target.x64.mk)))),) |
|
include tools/gyp/v8_shell.target.x64.mk |
|
endif |
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\ |
|
$(findstring $(join ^,$(prefix)),\ |
|
$(join ^,tools/gyp/v8_snapshot.target.x64.mk)))),) |
|
include tools/gyp/v8_snapshot.target.x64.mk |
|
endif |
|
|
|
quiet_cmd_regen_makefile = ACTION Regenerating $@ |
|
cmd_regen_makefile = ./build/gyp/gyp -fmake --ignore-environment -S.x64 "--toplevel-dir=." -Ibuild/standalone.gypi "--depth=." "--generator-output=out" "-Dv8_target_arch=x64" "-Dv8_enable_backtrace=1" "-Darm_fpu=default" "-Darm_float_abi=default" build/all.gyp |
|
Makefile.x64: $(srcdir)/samples/samples.gyp $(srcdir)/src/d8.gyp $(srcdir)/preparser/preparser.gyp $(srcdir)/test/cctest/cctest.gyp $(srcdir)/build/standalone.gypi $(srcdir)/build/common.gypi $(srcdir)/build/all.gyp $(srcdir)/tools/gyp/v8.gyp |
|
$(call do_cmd,regen_makefile) |
|
|
|
# "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),) |
|
# Rather than include each individual .d file, concatenate them into a |
|
# single file which make is able to load faster. We split this into |
|
# commands that take 1000 files at a time to avoid overflowing the |
|
# command line. |
|
$(shell cat $(wordlist 1,1000,$(d_files)) > $(depsdir)/all.deps) |
|
|
|
ifneq ($(word 1001,$(d_files)),) |
|
$(error Found unprocessed dependency files (gyp didn't generate enough rules!)) |
|
endif |
|
|
|
# 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. |
|
$(depsdir)/all.deps: ; |
|
|
|
include $(depsdir)/all.deps |
|
endif |
