# 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 ?= .

# 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 ?= Release

# 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 :=

CC.target ?= $(CC)

CFLAGS.target ?= $(CPPFLAGS) $(CFLAGS)

CXX.target ?= $(CXX)

CXXFLAGS.target ?= $(CPPFLAGS) $(CXXFLAGS)

LINK.target ?= $(LINK)

LDFLAGS.target ?= $(LDFLAGS)

AR.target ?= $(AR)

# 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 ?= gcc

CFLAGS.host ?= $(CPPFLAGS_host) $(CFLAGS_host)

CXX.host ?= g++

CXXFLAGS.host ?= $(CPPFLAGS_host) $(CXXFLAGS_host)

LINK.host ?= $(CXX.host)

LDFLAGS.host ?=

AR.host ?= ar

# 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 = rm -rf "$@" && cp -af "$<" "$@"

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)

# 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 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 ? 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:

# 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:

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 ^,binding.target.mk)))),)

include binding.target.mk

endif

quiet_cmd_regen_makefile = ACTION Regenerating $@

cmd_regen_makefile = cd $(srcdir); /Users/trott/io.js/deps/npm/node_modules/node-gyp/gyp/gyp_main.py -fmake --ignore-environment "--toplevel-dir=." -I/Users/trott/io.js/test/addons-napi/1_hello_world/build/config.gypi -I/Users/trott/io.js/deps/npm/node_modules/node-gyp/addon.gypi -I/Users/trott/io.js/common.gypi "--depth=." "-Goutput_dir=." "--generator-output=build" "-Dlibrary=shared_library" "-Dvisibility=default" "-Dnode_root_dir=/Users/trott/io.js" "-Dnode_gyp_dir=/Users/trott/io.js/deps/npm/node_modules/node-gyp" "-Dnode_lib_file=/Users/trott/io.js/$(Configuration)/node.lib" "-Dmodule_root_dir=/Users/trott/io.js/test/addons-napi/1_hello_world" "-Dnode_engine=v8" binding.gyp

Makefile: $(srcdir)/../../../deps/npm/node_modules/node-gyp/addon.gypi $(srcdir)/build/config.gypi $(srcdir)/binding.gyp $(srcdir)/../../../common.gypi

$(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),)

include $(d_files)

endif