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Diffstat (limited to 'REORG.TODO/Rules')
| -rw-r--r-- | REORG.TODO/Rules | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/REORG.TODO/Rules b/REORG.TODO/Rules new file mode 100644 index 0000000000..168cf508d7 --- /dev/null +++ b/REORG.TODO/Rules @@ -0,0 +1,321 @@ +# Copyright (C) 1991-2017 Free Software Foundation, Inc. +# This file is part of the GNU C Library. + +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. + +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library; if not, see +# <http://www.gnu.org/licenses/>. + +# +# Rules for making a subdirectory in the GNU C library. +# Each subdirectory Makefile defines some variables and includes this. +# +ifneq (,) +This makefile requires GNU Make. +endif + +all: # Don't let the default goal come from Makeconfig. + +include $(firstword $(..) ../)Makeconfig + +ifndef subdir +Each subdirectory makefile must define the `subdir' variable. +endif +# This ` unconfuses emacs. +# This is benign and useless in GNU make before 3.63. +export subdir := $(subdir) + +# This is the default target; it makes the library and auxiliary programs. +.PHONY: all +all: objs lib others + +ifeq ($(build-programs),yes) +others: $(addprefix $(objpfx),$(extra-objs) \ + $(install-lib) \ + $(install-bin) $(install-bin-script) \ + $(install-rootsbin) $(install-sbin)) +else +others: $(addprefix $(objpfx),$(extra-objs) \ + $(install-lib)) +endif + +ifneq "$(findstring env,$(origin headers))" "" +headers := +endif + +ifneq "$(findstring env,$(origin generated))" "" +generated := +endif + +ifneq "$(findstring env,$(origin common-generated))" "" +common-generated := +endif + +# See below. This must be set before Makerules processes it. +before-compile += $(common-objpfx)bits/stdio_lim.h + +include $(..)Makerules + +.PHONY: subdir_lib +subdir_lib: lib-noranlib + +# Some subdirs need to install a dummy library. +# They can use "$(objpfx)libfnord.a: $(dep-dummy-lib); $(make-dummy-lib)". +dep-dummy-lib = $(common-objpfx)dummy.o +define make-dummy-lib +$(AR) cr$(verbose) $@ $< +endef + +$(common-objpfx)dummy.c: + rm -f $@ + (echo 'extern void __dummy__ (void);'; \ + echo 'void __dummy__ (void) { }') > $@ +common-generated += dummy.o dummy.c + +ifneq "$(headers)" "" +# Special test of all the installed headers in this directory. +tests-special += $(objpfx)check-installed-headers-c.out +libof-check-installed-headers-c := testsuite +$(objpfx)check-installed-headers-c.out: \ + $(..)scripts/check-installed-headers.sh $(headers) + $(SHELL) $(..)scripts/check-installed-headers.sh c \ + "$(CC) $(filter-out -std=%,$(CFLAGS)) -D_ISOMAC $(+includes)" \ + $(headers) > $@; \ + $(evaluate-test) + +ifneq "$(CXX)" "" +tests-special += $(objpfx)check-installed-headers-cxx.out +libof-check-installed-headers-cxx := testsuite +$(objpfx)check-installed-headers-cxx.out: \ + $(..)scripts/check-installed-headers.sh $(headers) + $(SHELL) $(..)scripts/check-installed-headers.sh c++ \ + "$(CXX) $(filter-out -std=%,$(CXXFLAGS)) -D_ISOMAC $(+includes)" \ + $(headers) > $@; \ + $(evaluate-test) +endif +endif + +# This makes all the auxiliary and test programs. + +.PHONY: others tests bench bench-build + +# Test programs for the pretty printers. +tests-printers-programs := $(addprefix $(objpfx),$(tests-printers)) + +# .out files with the output of running the pretty printer tests. +tests-printers-out := $(patsubst %,$(objpfx)%.out,$(tests-printers)) + +ifndef PYTHON +# Mark tests-printers tests as unsupported if we don't have PYTHON. +tests-unsupported += $(tests-printers) +endif + +ifeq ($(build-programs),yes) +others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs)) +else +others: $(addprefix $(objpfx),$(extra-objs)) +endif + +# Generate constant files for Python pretty printers if required. +others: $(py-const) + +ifeq ($(run-built-tests),no) +tests: $(addprefix $(objpfx),$(filter-out $(tests-unsupported), \ + $(tests) $(tests-internal)) \ + $(test-srcs)) $(tests-special) \ + $(tests-printers-programs) +xtests: tests $(xtests-special) +else +tests: $(tests:%=$(objpfx)%.out) $(tests-internal:%=$(objpfx)%.out) \ + $(tests-special) $(tests-printers-out) +xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-special) +endif + +tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special)) +xtests-special-notdir = $(patsubst $(objpfx)%, %, $(xtests-special)) +ifeq ($(run-built-tests),no) +tests-expected = +else +tests-expected = $(tests) $(tests-internal) $(tests-printers) +endif +tests: + $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \ + $(sort $(tests-expected) $(tests-special-notdir:.out=)) \ + > $(objpfx)subdir-tests.sum +xtests: + $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \ + $(sort $(xtests) $(xtests-special-notdir:.out=)) \ + > $(objpfx)subdir-xtests.sum + +ifeq ($(build-programs),yes) +binaries-all-notests = $(others) $(sysdep-others) +binaries-all-tests = $(tests) $(tests-internal) $(xtests) $(test-srcs) +binaries-all = $(binaries-all-notests) $(binaries-all-tests) +binaries-static-notests = $(others-static) +binaries-static-tests = $(tests-static) $(xtests-static) +binaries-static = $(binaries-static-notests) $(binaries-static-tests) +ifeq (yesyes,$(have-fpie)$(build-shared)) +binaries-pie-tests = $(tests-pie) $(xtests-pie) +binaries-pie-notests = $(others-pie) +else +binaries-pie-tests = +binaries-pie-notests = +endif +else +binaries-all-notests = +binaries-all-tests = $(tests) $(tests-internal) $(xtests) $(test-srcs) +binaries-all = $(binaries-all-tests) +binaries-static-notests = +binaries-static-tests = +binaries-static = +binaries-pie-tests = +binaries-pie-notests = +endif + +binaries-pie = $(binaries-pie-tests) $(binaries-pie-notests) +binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static), \ + $(binaries-all-tests)) +binaries-shared-notests = $(filter-out $(binaries-pie) $(binaries-static), \ + $(binaries-all-notests)) + +ifneq "$(strip $(binaries-shared-notests))" "" +$(addprefix $(objpfx),$(binaries-shared-notests)): %: %.o \ + $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \ + $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) + $(+link) +endif + +ifneq "$(strip $(binaries-shared-tests))" "" +$(addprefix $(objpfx),$(binaries-shared-tests)): %: %.o \ + $(link-extra-libs-tests) \ + $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \ + $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) + $(+link-tests) +endif + +ifneq "$(strip $(binaries-pie-tests))" "" +$(addprefix $(objpfx),$(binaries-pie-tests)): %: %.o \ + $(link-extra-libs-tests) \ + $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \ + $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) + $(+link-pie-tests) +endif + +ifneq "$(strip $(binaries-pie-notests))" "" +$(addprefix $(objpfx),$(binaries-pie-notests)): %: %.o \ + $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \ + $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) + $(+link-pie) +endif + +ifneq "$(strip $(binaries-static-notests))" "" +$(addprefix $(objpfx),$(binaries-static-notests)): %: %.o \ + $(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \ + $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) + $(+link-static) +endif + +ifneq "$(strip $(binaries-static-tests))" "" +$(addprefix $(objpfx),$(binaries-static-tests)): %: %.o \ + $(link-extra-libs-tests) \ + $(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \ + $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) + $(+link-static-tests) +endif + +ifneq "$(strip $(tests) $(tests-internal) $(xtests) $(test-srcs))" "" +# These are the implicit rules for making test outputs +# from the test programs and whatever input files are present. + +define make-test-out +$(if $($*-ENV-only),$(test-wrapper-env-only) $($*-ENV-only),\ + $(test-wrapper-env) $(run-program-env) $($*-ENV)) \ +$(host-test-program-cmd) $($*-ARGS) +endef +$(objpfx)%.out: %.input $(objpfx)% + $(make-test-out) > $@ < $(word 1,$^); \ + $(evaluate-test) +$(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence. + $(make-test-out) > $@; \ + $(evaluate-test) + +# tests-unsupported lists tests that we will not try to build at all in +# this configuration. Note this runs every time because it does not +# actually create its target. The dependency on Makefile is meant to +# ensure that it runs after a Makefile change to add a test to the list +# when it previously ran and produced a .out file (probably for a failure). +ifneq "$(strip $(tests-unsupported))" "" +$(tests-unsupported:%=$(objpfx)%.out): $(objpfx)%.out: Makefile + @rm -f $@ + $(..)scripts/evaluate-test.sh $(patsubst $(common-objpfx)%.out,%,$@) \ + 77 false false > $(@:.out=.test-result) +endif + +endif # tests + +ifdef PYTHON +ifneq "$(strip $(tests-printers))" "" + +# Static pattern rule for building the test programs for the pretty printers. +$(tests-printers-programs): %: %.o $(tests-printers-libs) \ + $(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \ + $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) + $(+link-printers-tests) + +# Add the paths to the generated constants file and test_common_printers.py +# to PYTHONPATH so the test scripts can find them. +py-env := PYTHONPATH=$(py-const-dir):$(..)scripts:$${PYTHONPATH} + +# Static pattern rule that matches the test-* targets to their .c and .py +# prerequisites. It'll run the corresponding test script for each test program +# we compiled and place its output in the corresponding .out file. +# The pretty printer files and test_common_printers.py must be present for all. +$(tests-printers-out): $(objpfx)%.out: $(objpfx)% %.py %.c $(pretty-printers) \ + $(..)scripts/test_printers_common.py + $(test-wrapper-env) $(py-env) \ + $(PYTHON) $*.py $*.c $(objpfx)$* $(pretty-printers) > $@; \ + $(evaluate-test) +endif +endif + + +.PHONY: distclean realclean subdir_distclean subdir_realclean \ + subdir_clean subdir_mostlyclean subdir_testclean +subdir_mostlyclean: mostlyclean +subdir_clean: clean +subdir_distclean: distclean +subdir_realclean: realclean +subdir_testclean: do-tests-clean +realclean: distclean +distclean: clean + +# We want to install everything except the library itself, but update all +# our portions of the library because the parent make will install it later +# (likewise the stubs file). +.PHONY: subdir_install +subdir_install: install-no-libc.a lib-noranlib stubs + +.PHONY: subdir_objs subdir_stubs +subdir_objs: objs +subdir_stubs: stubs + +# Target required by the Hurd to ensure that all the MiG-generated +# headers are in place before building a subdirectory. +.PHONY: before-compile +before-compile: $(before-compile) + +$(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile); + $(compile-command.c) + +# Local Variables: +# mode: makefile +# End: |