# Copyright (C) 1991-1999, 2000 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
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 = $(inst_includedir)/gnu/stubs.h
install-bin = glibcbug
ifeq (yes,$(build-shared))
install-others += $(inst_includedir)/gnu/lib-names.h
endif
include Makerules
ifeq ($(build-programs),yes)
others: $(addprefix $(objpfx),$(install-bin))
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 || \
$(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. */';\
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
info dvi pdf:
$(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-Makefile 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/db_185.h \
include/db.h include/shlib-compat.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)
distribute := $(strip $(distribute))
generated := $(generated) stubs.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/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))