| # 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 ?= $(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)) -o $@ $< $(GYP_CFLAGS) $(DEPFLAGS) $(CFLAGS.$(TOOLSET)) -c | |
| quiet_cmd_cxx = CXX($(TOOLSET)) $@ | |
| cmd_cxx = $(CXX.$(TOOLSET)) -o $@ $< $(GYP_CXXFLAGS) $(DEPFLAGS) $(CXXFLAGS.$(TOOLSET)) -c | |
| 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)) 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) $(LIBS) -Wl,--end-group | |
| # We support two kinds of shared objects (.so): | |
| # 1) shared_library, which is just bundling together many dependent libraries | |
| # into a link line. | |
| # 2) loadable_module, which is generating a module intended for dlopen(). | |
| # | |
| # They differ only slightly: | |
| # In the former case, we want to package all dependent code into the .so. | |
| # In the latter case, we want to package just the API exposed by the | |
| # outermost module. | |
| # This means shared_library uses --whole-archive, while loadable_module doesn't. | |
| # (Note that --whole-archive is incompatible with the --start-group used in | |
| # normal linking.) | |
| # Other shared-object link notes: | |
| # - Set SONAME to the library filename so our binaries don't reference | |
| # the local, absolute paths used on the link command-line. | |
| quiet_cmd_solink = SOLINK($(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) | |
| # 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 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)), | |
| $(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: $(srcdir)/%.s FORCE_DO_CMD | |
| @$(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)),\ | |
| $(join ^,DTraceProviderStub.target.mk)))),) | |
| include DTraceProviderStub.target.mk | |
| endif | |
| quiet_cmd_regen_makefile = ACTION Regenerating $@ | |
| cmd_regen_makefile = cd $(srcdir); /tools/node/lib/node_modules/npm/node_modules/node-gyp/gyp/gyp_main.py -fmake --ignore-environment "-Dlibrary=shared_library" "-Dvisibility=default" "-Dnode_root_dir=/root/.cache/node-gyp/16.20.2" "-Dnode_gyp_dir=/tools/node/lib/node_modules/npm/node_modules/node-gyp" "-Dnode_lib_file=/root/.cache/node-gyp/16.20.2/<(target_arch)/node.lib" "-Dmodule_root_dir=/datalab/web/node_modules/dtrace-provider" "-Dnode_engine=v8" "--depth=." "-Goutput_dir=." "--generator-output=build" -I/datalab/web/node_modules/dtrace-provider/build/config.gypi -I/tools/node/lib/node_modules/npm/node_modules/node-gyp/addon.gypi -I/root/.cache/node-gyp/16.20.2/include/node/common.gypi "--toplevel-dir=." binding.gyp | |
| Makefile: $(srcdir)/../../../../root/.cache/node-gyp/16.20.2/include/node/common.gypi $(srcdir)/build/config.gypi $(srcdir)/../../../../tools/node/lib/node_modules/npm/node_modules/node-gyp/addon.gypi $(srcdir)/binding.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),) | |
| include $(d_files) | |
| endif | |