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# Copyright (C) 1991-1999, 2000, 2001, 2002 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, 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 | |
include Makeconfig | |
# This is the default target; it makes everything except the tests. | |
.PHONY: all | |
all: lib others | |
ifeq ($(with-cvs),yes) | |
define autoconf-it | |
@-rm -f $@.new | |
autoconf $(ACFLAGS) $< > $@.new | |
chmod a-w,a+x $@.new | |
mv -f $@.new $@ | |
test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@ | |
endef | |
else | |
define autoconf-it | |
@-rm -f $@.new | |
autoconf $(ACFLAGS) $< > $@.new | |
chmod a-w,a+x $@.new | |
mv -f $@.new $@ | |
endef | |
endif | |
# We don't want to run anything here in parallel. | |
.NOTPARALLEL: | |
configure: configure.in aclocal.m4; $(autoconf-it) | |
%/configure: %/configure.in aclocal.m4; $(autoconf-it) | |
# 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 \ | |
subdir_testclean \ | |
$(addprefix install-, no-libc.a bin lib data headers others) | |
headers := errno.h sys/errno.h bits/errno.h limits.h values.h \ | |
features.h gnu-versions.h bits/libc-lock.h bits/xopen_lim.h \ | |
gnu/libc-version.h | |
echo-headers: subdir_echo-headers | |
# The headers are in the include directory. | |
subdir-dirs = include | |
vpath %.h $(subdir-dirs) | |
# What to install. | |
install-others = $(inst_includedir)/gnu/stubs.h | |
install-bin-script = glibcbug | |
ifeq (yes,$(build-shared)) | |
install-others += $(inst_includedir)/gnu/lib-names.h | |
endif | |
include Makerules | |
ifeq ($(build-programs),yes) | |
others: $(addprefix $(objpfx),$(install-bin-script)) | |
endif | |
# Install from subdirectories too. | |
install: subdir_install | |
# Make sure that the dynamic linker is installed before libc. | |
$(inst_slibdir)/libc-$(version).so: elf/ldso_install | |
.PHONY: elf/ldso_install | |
elf/ldso_install: | |
$(MAKE) -C $(@D) $(@F) | |
# Create links for shared libraries using the `ldconfig' program if possible. | |
# Ignore the error if we cannot update /etc/ld.so.cache. | |
ifeq (no,$(cross-compiling)) | |
ifeq (yes,$(build-shared)) | |
install: install-symbolic-link | |
.PHONY: install-symbolic-link | |
install-symbolic-link: subdir_install | |
$(symbolic-link-prog) $(symbolic-link-list) | |
rm -f $(symbolic-link-list) | |
install: | |
-test ! -x $(common-objpfx)elf/ldconfig || LC_ALL=C LANGUAGE=C \ | |
$(common-objpfx)elf/ldconfig $(addprefix -r ,$(install_root)) \ | |
$(slibdir) $(libdir) | |
ifneq (no,$(PERL)) | |
ifeq (/usr,$(prefix)) | |
ifeq (,$(install_root)) | |
CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx) | |
endif | |
endif | |
endif | |
endif | |
endif | |
# Build subdirectory lib objects. | |
lib-noranlib: subdir_lib | |
ifeq (yes,$(build-shared)) | |
# Build the shared object from the PIC object library. | |
lib: $(common-objpfx)libc.so | |
endif | |
# Makerules creates a file `stubs' in each subdirectory, which | |
# contains `#define __stub_FUNCTION' for each function defined in that | |
# directory which is a stub. | |
# Here we paste all of these together into <gnu/stubs.h>. | |
subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs) | |
# 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 | |
$(make-target-directory) | |
@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. */';\ | |
LC_ALL=C 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)) | |
$(inst_includedir)/gnu/lib-names.h: $(common-objpfx)gnu/lib-names.h $(+force) | |
$(do-install) | |
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 pdf html | |
info dvi pdf html: | |
$(MAKE) $(PARALLELMFLAGS) -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) $(PARALLELMFLAGS) -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 \ | |
tests-clean | |
# Subroutines of all cleaning targets. | |
parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules. | |
-rm -f $(foreach o,$(object-suffixes-for-libc),\ | |
$(common-objpfx)$(patsubst %,$(libtype$o),c)) \ | |
$(addprefix $(objpfx),$(install-lib)) | |
parent-clean: parent-mostlyclean common-clean | |
postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \ | |
$(addprefix $(objpfx),sysd-dirs sysd-rules) \ | |
$(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i) | |
clean: parent-clean | |
# This is done this way rather than having `subdir_clean' be a | |
# dependency of this target so that libc.a will be removed before the | |
# subdirectories are dealt with and so they won't try to remove object | |
# files from it when it's going to be removed anyway. | |
@$(MAKE) subdir_clean no_deps=t | |
-rm -f $(postclean) | |
mostlyclean: parent-mostlyclean | |
@$(MAKE) subdir_mostlyclean no_deps=t | |
-rm -f $(postclean) | |
tests-clean: | |
@$(MAKE) subdir_testclean 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 \ | |
sysdep-subdirs="$(sysdep-subdirs)" | |
-rm -f $(postclean) | |
# Subroutine of distclean and realclean. | |
distclean-1: subdir_$(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) | |
-rm -f $(addprefix $(objpfx),glibcbug) | |
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 README.libm INSTALL FAQ FAQ.in NOTES NEWS BUGS \ | |
PROJECTS COPYING.LIB COPYING ChangeLog ChangeLog.[0-9] \ | |
ChangeLog.1[0-9] Makefile Makeconfig Makerules Rules \ | |
Make-dist MakeTAGS extra-lib.mk o-iterator.mk configure \ | |
configure.in aclocal.m4 config.h.in config.make.in \ | |
config-name.in Makefile.in sysdep.h set-hooks.h \ | |
libc-symbols.h version.h shlib-versions rpm/Makefile \ | |
rpm/template rpm/rpmrc glibcbug.in abi-tags stub-tag.h \ | |
test-skeleton.c include/des.h include/libc-internal.h \ | |
include/shlib-compat.h include/pthread.h Versions.def \ | |
INTERFACE CONFORMANCE NAMESPACE \ | |
$(addprefix scripts/, \ | |
rellns-sh config.sub config.guess \ | |
mkinstalldirs move-if-change install-sh \ | |
test-installation.pl gen-FAQ.pl versions.awk\ | |
gen-sorted.awk abi-versions.awk \ | |
firstversions.awk documented.sh cpp) | |
distribute := $(strip $(distribute)) | |
generated := $(generated) stubs.h | |
README: README.template version.h | |
-rm -f $@ | |
sed -e 's/RELEASE/$(release)/' -e 's/VERSION/$(version)/' < $< > $@ | |
# Make it unwritable so I won't change it by mistake. | |
chmod 444 $@ | |
ifeq ($(with-cvs),yes) | |
test ! -d CVS || cvs $(CVSOPTS) commit -m'Remade for $(release)-$(version)' $@ | |
endif | |
define format-me | |
@rm -f $@ | |
makeinfo --no-validate --no-warn --no-headers $< -o $@ | |
-chmod a-w $@ | |
endef | |
INSTALL: manual/install.texi; $(format-me) | |
NOTES: manual/creature.texi; $(format-me) | |
manual/dir-add.texi manual/dir-add.info: FORCE | |
$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) | |
FAQ: scripts/gen-FAQ.pl FAQ.in | |
$(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@ | |
ifeq ($(with-cvs),yes) | |
test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: $(PERL) $^' $@ | |
endif | |
FORCE: | |
rpm/%: subdir_distinfo | |
$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) | |
iconvdata/% localedata/% po/%: | |
$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) | |
# This is a special goal for people making binary distributions. Normally | |
# everybody uses the DES based crypt library but for the distribution we | |
# need the only-MD5 based one as well. | |
md5-crypt/libmd5crypt: | |
$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) | |
# glibc 2.0 contains some header files which aren't used with glibc 2.1 | |
# anymore. | |
# These rules should remove those headers | |
ifeq (,$(install_root)) | |
ifeq ($(old-glibc-headers),yes) | |
install: remove-old-headers | |
endif | |
endif | |
headers2_0 := __math.h bytesex.h confname.h direntry.h elfclass.h \ | |
errnos.h fcntlbits.h huge_val.h ioctl-types.h \ | |
ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h \ | |
mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h \ | |
posix2_lim.h posix_opt.h resourcebits.h schedbits.h \ | |
selectbits.h semaphorebits.h sigaction.h sigcontext.h \ | |
signum.h sigset.h sockaddrcom.h socketbits.h stab.def \ | |
statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h \ | |
syscall-list.h termbits.h timebits.h ustatbits.h \ | |
utmpbits.h utsnamelen.h waitflags.h waitstatus.h \ | |
xopen_lim.h gnu/types.h sys/ipc_buf.h \ | |
sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h \ | |
sys/shm_buf.h sys/socketcall.h sigstack.h | |
.PHONY: remove-old-headers | |
remove-old-headers: | |
rm -f $(addprefix $(inst_includedir)/, $(headers2_0)) |