# 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/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 -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))