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# Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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 Library General Public License as | |
# published by the Free Software Foundation; either version 2 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 | |
# Library General Public License for more details. | |
# You should have received a copy of the GNU Library General Public | |
# License along with the GNU C Library; see the file COPYING.LIB. If not, | |
# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
# Boston, MA 02111-1307, USA. | |
# | |
# Master Makefile for the GNU C library | |
# | |
ifneq (,) | |
This makefile requires GNU Make. | |
endif | |
# This is the default target; it makes everything except the tests. | |
.PHONY: all | |
all: lib others | |
define autoconf-it | |
@-rm -f $@.new | |
autoconf $(ACFLAGS) $< > $@.new | |
chmod a-w,a+x $@.new | |
mv -f $@.new $@ | |
test ! -d CVS || cvs commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@ | |
endef | |
configure: configure.in aclocal.m4; $(autoconf-it) | |
%/configure: %/configure.in aclocal.m4; $(autoconf-it) | |
include Makeconfig | |
ifndef avoid-generated | |
-include $(objpfx)sysd-dirs | |
define \n | |
endef | |
sysdep-subdirs := $(subst $(\n), ,$(sysdep-subdirs)) | |
endif | |
# These are the subdirectories containing the library source. | |
subdirs = csu assert ctype db locale intl catgets math setjmp signal stdlib \ | |
stdio-common $(stdio) $(malloc) string wcsmbs time dirent grp pwd \ | |
posix io termios resource misc login socket sysvipc gmon gnulib \ | |
wctype manual shadow md5-crypt nss $(sysdep-subdirs) po \ | |
$(add-ons) elf | |
export subdirs := $(subdirs) # Benign, useless in GNU make before 3.63. | |
# The mach and hurd subdirectories have many generated header files which | |
# much of the rest of the library depends on, so it is best to build them | |
# first (and mach before hurd, at that). The before-compile additions in | |
# sysdeps/{mach,hurd}/Makefile should make it reliably work for these files | |
# not to exist when making in other directories, but it will be slower that | |
# way with more somewhat expensive `make' invocations. | |
subdirs := $(filter mach,$(subdirs)) $(filter hurd,$(subdirs)) \ | |
$(filter-out mach hurd,$(subdirs)) | |
# All initialization source files. | |
+subdir_inits := $(wildcard $(foreach dir,$(subdirs),$(dir)/init-$(dir).c)) | |
# All subdirectories containing initialization source files. | |
+init_subdirs := $(patsubst %/,%,$(dir $(+subdir_inits))) | |
# These are the targets that are made by making them in each subdirectory. | |
+subdir_targets := subdir_lib objects objs others subdir_mostlyclean \ | |
subdir_clean subdir_distclean subdir_realclean \ | |
tests subdir_lint.out \ | |
subdir_distinfo \ | |
subdir_echo-headers subdir_echo-distinfo \ | |
subdir_install \ | |
$(addprefix install-, no-libc.a bin lib data headers others) | |
headers := errno.h sys/errno.h errnos.h limits.h values.h \ | |
features.h gnu-versions.h libc-lock.h xopen_lim.h | |
aux = sysdep $(libc-init) version | |
before-compile = $(objpfx)version-info.h | |
echo-headers: subdir_echo-headers | |
# What to install. | |
install-others = $(inst_includedir)/gnu/stubs.h | |
ifeq (yes,$(build-shared)) | |
install-others += $(inst_includedir)/gnu/lib-names.h | |
endif | |
install-bin = glibcbug | |
ifeq (yes,$(gnu-ld)) | |
libc-init = set-init | |
else | |
libc-init = munch-init | |
$(objpfx)munch-init.c: munch.awk munch-tmpl.c $(+subdir_inits) | |
awk -f $< subdirs='$(+init_subdirs)' $(word 2,$^) > $@-t | |
mv -f $@-t $@ | |
generated := $(generated) munch-init.c | |
endif | |
include Makerules | |
# Install from subdirectories too. | |
install: subdir_install | |
# Create linkfs for shared libraries using the `ldconfig' program is possible. | |
ifeq (no,$(cross-compiling)) | |
ifeq (yes,$(build-shared)) | |
install: | |
test ! -x $(common-objpfx)elf/ldconfig || \ | |
$(common-objpfx)elf/ldconfig -d | |
endif | |
endif | |
# Build subdirectory lib objects. | |
lib-noranlib: subdir_lib | |
ifeq (yes,$(build-shared)) | |
# Build the shared object from the PIC object library. | |
lib: $(common-objpfx)libc.so | |
endif | |
all-Subdirs-files = $(wildcard $(addsuffix /Subdirs, $(config-sysdirs))) | |
$(objpfx)sysd-dirs: $(+sysdir_pfx)config.make $(all-Subdirs-files) | |
(echo define sysdep-subdirs; \ | |
sed 's/#.*$$//' $(all-Subdirs-files) /dev/null; \ | |
echo endef) > $@-tmp | |
mv -f $@-tmp $@ | |
all-Banner-files = $(wildcard $(addsuffix /Banner, $(subdirs))) | |
$(objpfx)version-info.h: $(+sysdir_pfx)config.make $(all-Banner-files) | |
(case $(config-os) in \ | |
linux*) version=`(echo -e "#include <linux/version.h>\nUTS_RELEASE"\ | |
| $(CC) -E -P - | \ | |
sed -e 's/"\([^"]*\)".*/\1/p' -e d) 2>/dev/null`;\ | |
if [ -z "$$version" ]; then \ | |
if [ -r /proc/version ]; then \ | |
version=`sed 's/.*version \([^ ]*\) .*/>>\1<</' \ | |
< /proc/version`; \ | |
else \ | |
version=`uname -r`; \ | |
fi; \ | |
fi; \ | |
echo -n "\"Compiled on a Linux $$version system "; \ | |
echo "on `date +%Y/%m/%d`.\\n\"" ;; \ | |
*) ;; \ | |
esac; \ | |
files="$(all-Banner-files)"; \ | |
if test -n "$$files"; then \ | |
echo "\"Available extensions:"; \ | |
sed -e '/^#/d' -e 's/^[[:space:]]*/ /' $$files; \ | |
echo "\""; \ | |
fi) > $@T | |
mv -f $@T $@ | |
generated += version-info.h | |
version.c-objects := $(addprefix $(objpfx)version,$(object-suffixes)) | |
$(version.c-objects): $(objpfx)version-info.h | |
# Makerules creates a file `stub-$(subdir)' for each subdirectory, which | |
# contains `#define __stub_FUNCTION' for each function which is a stub. | |
# Here we paste all of these together into <gnu/stubs.h>. | |
subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)stub-$(dir)) | |
# Since stubs.h is never needed when building the library, we simplify the | |
# hairy installation process by producing it in place only as the last part | |
# of the top-level `make install'. It depends on subdir_install, which | |
# iterates over all the subdirs; subdir_install in each subdir depends on | |
# the subdir's stubs file. Having more direct dependencies would result in | |
# extra iterations over the list for subdirs and many recursive makes. | |
$(inst_includedir)/gnu/stubs.h: subdir_install | |
@rm -f $(objpfx)stubs.h | |
(echo '/* This file is automatically generated.';\ | |
echo ' It defines a symbol `__stub_FUNCTION'\'' for each function';\ | |
echo ' in the C library which is a stub, meaning it will fail';\ | |
echo ' every time called, usually setting errno to ENOSYS. */';\ | |
sort $(subdir-stubs)) > $(objpfx)stubs.h | |
if test -r $@ && cmp -s $(objpfx)stubs.h $@; \ | |
then echo 'stubs.h unchanged'; \ | |
else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi | |
rm -f $(objpfx)stubs.h | |
ifeq (yes,$(build-shared)) | |
# Like gnu/stubs.h the gnu/lib-names.h header is not used while building the | |
# libc itself. So we generate it while installing. | |
$(inst_includedir)/gnu/lib-names.h: $(common-objpfx)soversions.mk | |
@rm -f $(objpfx)lib-names.h | |
(echo '/* This file is automatically generated.';\ | |
echo ' It defines macros to allow user program to find the shared';\ | |
echo ' library files which come as part of GNU libc. */';\ | |
echo '#ifndef __GNU_LIB_NAMES_H'; \ | |
echo '#define __GNU_LIB_NAMES_H 1'; \ | |
echo; \ | |
(libs='$(all-sonames)';\ | |
for l in $$libs; do \ | |
upname=`echo $$l | sed 's/[.]so.*//' | \ | |
tr '[:lower:]-' '[:upper:]_'`; \ | |
echo "#define $${upname}_SO \"$$l\""; \ | |
done;) | sort; \ | |
echo; \ | |
echo '#endif /* gnu/lib-names.h */';) > $(objpfx)lib-names.h | |
if test -r $@ && cmp -s $(objpfx)lib-names.h $@; \ | |
then echo 'gnu/lib-names.h unchanged'; \ | |
else $(INSTALL_DATA) $(objpfx)lib-names.h $@; fi | |
rm -f $(objpfx)lib-names.h | |
endif | |
# The `glibcbug' script contains the version number and it shall be rebuild | |
# whenever this changes or the `glibcbug.in' file. | |
$(objpfx)glibcbug: $(common-objpfx)config.status glibcbug.in | |
cd $(<D); CONFIG_FILES=$(@F) CONFIG_HEADERS= $(SHELL) $(<F) | |
# This makes the Info or DVI file of the documentation from the Texinfo source. | |
.PHONY: info dvi | |
info dvi: | |
$(MAKE) -C manual $@ | |
# This makes all the subdirectory targets. | |
# For each target, make it depend on DIR/target for each subdirectory DIR. | |
$(+subdir_targets): %: $(addsuffix /%,$(subdirs)) | |
# Compute a list of all those targets. | |
all-subdirs-targets := $(foreach dir,$(subdirs),\ | |
$(addprefix $(dir)/,$(+subdir_targets))) | |
# The action for each of those is to cd into the directory and make the | |
# target there. | |
$(all-subdirs-targets): | |
$(MAKE) -C $(@D) $(@F) | |
.PHONY: $(+subdir_targets) $(all-subdirs-targets) | |
# Targets to clean things up to various degrees. | |
.PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean | |
# Subroutines of all cleaning targets. | |
parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules. | |
-rm -f $(foreach o,$(object-suffixes),\ | |
$(common-objpfx)$(patsubst %,$(libtype$o),c)) \ | |
$(addprefix $(objpfx),$(install-lib)) | |
parent-clean: parent-mostlyclean common-clean | |
-rm -f $(addprefix $(common-objpfx),$(common-generated)) | |
-rm -f $(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules) | |
clean: parent-clean | |
# This is done this way rather than having `subdir_clean' be a | |
# dependency of this target so that libc.a will be removed before the | |
# subdirectories are dealt with and so they won't try to remove object | |
# files from it when it's going to be removed anyway. | |
@$(MAKE) subdir_clean no_deps=t | |
mostlyclean: parent-mostlyclean | |
@$(MAKE) subdir_mostlyclean no_deps=t | |
# The realclean target is just like distclean for the parent, but we want | |
# the subdirs to know the difference in case they care. | |
realclean distclean: parent-clean | |
# This is done this way rather than having `subdir_distclean' be a | |
# dependency of this target so that libc.a will be removed before the | |
# subdirectories are dealt with and so they won't try to remove object | |
# files from it when it's going to be removed anyway. | |
@$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes | |
# Subroutine of distclean and realclean. | |
distclean-1: subdir_$(distclean-1) | |
-rm -f $(config-generated) | |
-rm -f $(addprefix $(objpfx),config.status config.cache config.log) | |
-rm -f $(addprefix $(objpfx),config.make config-name.h config.h) | |
ifdef objdir | |
-rm -f $(objpfx)Makefile | |
endif | |
-rm -f $(sysdep-$(distclean-1)) | |
.PHONY: echo_subdirs | |
echo_subdirs:;@echo '$(subdirs)' | |
.PHONY: echo-distinfo parent_echo-distinfo | |
echo-distinfo: parent_echo-distinfo subdir_echo-distinfo | |
parent_echo-distinfo: | |
@echo $(addprefix +header+,$(headers)) \ | |
$(addprefix +nodist+,$(generated)) | |
# Make the distribution tarfile. | |
distribute := README INSTALL FAQ NOTES NEWS PROJECTS \ | |
COPYING.LIB COPYING ChangeLog ChangeLog.[0-9] \ | |
Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \ | |
extra-lib.mk o-iterator.mk \ | |
ansidecl.h mkinstalldirs move-if-change install-sh \ | |
configure configure.in aclocal.m4 config.sub config.guess\ | |
config.h.in config.make.in config-name.in Makefile.in \ | |
autolock.sh rellns-sh munch-tmpl.c munch.awk interp.c \ | |
sysdep.h set-hooks.h libc-symbols.h version.h shlib-versions \ | |
rpm/Makefile rpm/template rpm/rpmrc nsswitch.h netgroup.h \ | |
mcheck.h glibcbug.in | |
distribute := $(strip $(distribute)) | |
generated := $(generated) stubs.h version-info.h | |
README: README.template version.h ; # Make-dist should update README. | |
define format-me | |
@rm -f $@ | |
makeinfo --no-validate --no-warn --no-headers $< -o $@ | |
-chmod a-w $@ | |
endef | |
INSTALL: manual/maint.texi; $(format-me) | |
NOTES: manual/creature.texi; $(format-me) | |
rpm/%: subdir_distinfo | |
$(MAKE) -C $(@D) subdirs='$(subdirs)' $(@F) |