2011-09-23 18:13:14 -05:00
|
|
|
# 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.
|
2011-10-13 14:23:50 -05:00
|
|
|
srcdir := ../../../..
|
2011-09-23 18:13:14 -05:00
|
|
|
|
|
|
|
# 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 ?= Default
|
|
|
|
|
|
|
|
# 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 :=
|
|
|
|
|
2011-10-22 19:37:18 -05:00
|
|
|
|
|
|
|
|
|
|
|
# C++ apps need to be linked with g++.
|
2011-09-23 18:13:14 -05:00
|
|
|
#
|
2011-10-22 19:37:18 -05:00
|
|
|
# Note: flock is used to seralize linking. Linking is a memory-intensive
|
2011-09-23 18:13:14 -05:00
|
|
|
# process so running parallel links can often lead to thrashing. To disable
|
2011-10-22 19:37:18 -05:00
|
|
|
# the serialization, override LINK via an envrionment variable as follows:
|
2011-09-23 18:13:14 -05:00
|
|
|
#
|
2011-10-22 19:37:18 -05:00
|
|
|
# export LINK=g++
|
2011-09-23 18:13:14 -05:00
|
|
|
#
|
|
|
|
# This will allow make to invoke N linker processes as specified in -jN.
|
2011-10-22 19:37:18 -05:00
|
|
|
LINK ?= flock $(builddir)/linker.lock $(CXX)
|
2011-09-23 18:13:14 -05:00
|
|
|
|
|
|
|
CC.target ?= $(CC)
|
|
|
|
CFLAGS.target ?= $(CFLAGS)
|
|
|
|
CXX.target ?= $(CXX)
|
|
|
|
CXXFLAGS.target ?= $(CXXFLAGS)
|
|
|
|
LINK.target ?= $(LINK)
|
|
|
|
LDFLAGS.target ?= $(LDFLAGS)
|
|
|
|
AR.target ?= $(AR)
|
|
|
|
ARFLAGS.target ?= crsT
|
|
|
|
|
|
|
|
# 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 := crsT
|
|
|
|
|
|
|
|
# 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_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 = AR($(TOOLSET)) $@
|
|
|
|
cmd_alink = rm -f $@ && $(AR.$(TOOLSET)) $(ARFLAGS.$(TOOLSET)) $@ $(filter %.o,$^)
|
|
|
|
|
|
|
|
# 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)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ -Wl,--start-group $(LD_INPUTS) -Wl,--end-group $(LIBS)
|
|
|
|
|
|
|
|
# We support two kinds of shared objects (.so):
|
|
|
|
# 1) shared_library, which is just bundling together many dependent libraries
|
|
|
|
# into a link line.
|
|
|
|
# 2) loadable_module, which is generating a module intended for dlopen().
|
|
|
|
#
|
|
|
|
# They differ only slightly:
|
|
|
|
# In the former case, we want to package all dependent code into the .so.
|
|
|
|
# In the latter case, we want to package just the API exposed by the
|
|
|
|
# outermost module.
|
|
|
|
# This means shared_library uses --whole-archive, while loadable_module doesn't.
|
|
|
|
# (Note that --whole-archive is incompatible with the --start-group used in
|
|
|
|
# normal linking.)
|
|
|
|
|
|
|
|
# Other shared-object link notes:
|
|
|
|
# - Set SONAME to the library filename so our binaries don't reference
|
|
|
|
# the local, absolute paths used on the link command-line.
|
|
|
|
quiet_cmd_solink = SOLINK($(TOOLSET)) $@
|
|
|
|
cmd_solink = $(LINK.$(TOOLSET)) -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)
|
|
|
|
|
|
|
|
|
|
|
|
# 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 $$,$$$$,$(1))
|
|
|
|
# Helper that expands to a shell command to echo a string exactly as it is in
|
|
|
|
# make. This uses printf instead of echo because printf's behaviour with respect
|
|
|
|
# to escape sequences is more portable than echo's across different shells
|
|
|
|
# (e.g., dash, bash).
|
|
|
|
exact_echo = printf '%s\n' '$(call escape_quotes,$(1))'
|
|
|
|
|
|
|
|
# Helper to compare the command we're about to run against the command
|
|
|
|
# we logged the last time we ran the command. Produces an empty
|
|
|
|
# string (false) when the commands match.
|
|
|
|
# Tricky point: Make has no string-equality test function.
|
|
|
|
# The kernel uses the following, but it seems like it would have false
|
|
|
|
# positives, where one string reordered its arguments.
|
|
|
|
# arg_check = $(strip $(filter-out $(cmd_$(1)), $(cmd_$@)) \
|
|
|
|
# $(filter-out $(cmd_$@), $(cmd_$(1))))
|
|
|
|
# We instead substitute each for the empty string into the other, and
|
|
|
|
# say they're equal if both substitutions produce the empty string.
|
|
|
|
# .d files contain ? instead of spaces, take that into account.
|
|
|
|
command_changed = $(or $(subst $(cmd_$(1)),,$(cmd_$(call replace_spaces,$@))),\
|
|
|
|
$(subst $(cmd_$(call replace_spaces,$@)),,$(cmd_$(1))))
|
|
|
|
|
|
|
|
# Helper that is non-empty when a prerequisite changes.
|
|
|
|
# Normally make does this implicitly, but we force rules to always run
|
|
|
|
# so we can check their command lines.
|
|
|
|
# $? -- new prerequisites
|
|
|
|
# $| -- order-only dependencies
|
|
|
|
prereq_changed = $(filter-out FORCE_DO_CMD,$(filter-out $|,$?))
|
|
|
|
|
2011-10-22 19:37:18 -05:00
|
|
|
# Helper that executes all postbuilds, and deletes the output file when done
|
|
|
|
# if any of the postbuilds failed.
|
|
|
|
define do_postbuilds
|
|
|
|
@E=0;\
|
|
|
|
for p in $(POSTBUILDS); do\
|
|
|
|
eval $$p;\
|
|
|
|
F=$$?;\
|
|
|
|
if [ $$F -ne 0 ]; then\
|
|
|
|
E=$$F;\
|
|
|
|
fi;\
|
|
|
|
done;\
|
|
|
|
if [ $$E -ne 0 ]; then\
|
|
|
|
rm -rf "$@";\
|
|
|
|
exit $$E;\
|
|
|
|
fi
|
|
|
|
endef
|
|
|
|
|
2011-09-23 18:13:14 -05:00
|
|
|
# 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 1,$(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)),
|
2011-10-22 19:37:18 -05:00
|
|
|
$(call do_postbuilds)
|
2011-09-23 18:13:14 -05:00
|
|
|
)
|
|
|
|
)
|
|
|
|
endef
|
|
|
|
|
|
|
|
# Declare "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: $(srcdir)/%.S FORCE_DO_CMD
|
|
|
|
@$(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)/%.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: $(obj)/%.S FORCE_DO_CMD
|
|
|
|
@$(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)),\
|
2011-11-08 16:36:19 -06:00
|
|
|
$(join ^,src/libuv/run-benchmarks.target.mk)))),)
|
|
|
|
include src/libuv/run-benchmarks.target.mk
|
2011-09-23 18:13:14 -05:00
|
|
|
endif
|
|
|
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\
|
|
|
|
$(findstring $(join ^,$(prefix)),\
|
2011-11-08 16:36:19 -06:00
|
|
|
$(join ^,src/libuv/run-tests.target.mk)))),)
|
|
|
|
include src/libuv/run-tests.target.mk
|
2011-09-23 18:13:14 -05:00
|
|
|
endif
|
|
|
|
ifeq ($(strip $(foreach prefix,$(NO_LOAD),\
|
|
|
|
$(findstring $(join ^,$(prefix)),\
|
2011-11-08 16:36:19 -06:00
|
|
|
$(join ^,src/libuv/uv.target.mk)))),)
|
|
|
|
include src/libuv/uv.target.mk
|
2011-09-23 18:13:14 -05:00
|
|
|
endif
|
|
|
|
|
|
|
|
quiet_cmd_regen_makefile = ACTION Regenerating $@
|
2011-11-08 16:36:19 -06:00
|
|
|
cmd_regen_makefile = ./src/libuv/build/gyp/gyp -fmake --ignore-environment "--toplevel-dir=." "--depth=." "--generator-output=mk/libuv/x86_64/unix" "-Dlibrary=static_library" "-Dtarget_arch=x86_64" "-DOS=linux" src/libuv/uv.gyp
|
|
|
|
Makefile: $(srcdir)/src/libuv/uv.gyp
|
2011-09-23 18:13:14 -05:00
|
|
|
# $(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
|