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324 lines
11 KiB
Makefile
324 lines
11 KiB
Makefile
# Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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# You should have received a copy of the GNU Library General Public
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# License along with the GNU C Library; see the file COPYING.LIB. If not,
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# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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#
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# Master Makefile for the GNU C library
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#
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ifneq (,)
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This makefile requires GNU Make.
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endif
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include Makeconfig
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# This is the default target; it makes everything except the tests.
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.PHONY: all
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all: lib others
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ifeq ($(with-cvs),yes)
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define autoconf-it
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@-rm -f $@.new
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autoconf $(ACFLAGS) $< > $@.new
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chmod a-w,a+x $@.new
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mv -f $@.new $@
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test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
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endef
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else
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define autoconf-it
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@-rm -f $@.new
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autoconf $(ACFLAGS) $< > $@.new
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chmod a-w,a+x $@.new
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mv -f $@.new $@
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endef
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endif
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configure: configure.in aclocal.m4; $(autoconf-it)
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%/configure: %/configure.in aclocal.m4; $(autoconf-it)
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# These are the targets that are made by making them in each subdirectory.
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+subdir_targets := subdir_lib objects objs others subdir_mostlyclean \
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subdir_clean subdir_distclean subdir_realclean \
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tests subdir_lint.out \
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subdir_distinfo \
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subdir_echo-headers subdir_echo-distinfo \
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subdir_install \
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subdir_testclean \
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$(addprefix install-, no-libc.a bin lib data headers others)
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headers := errno.h sys/errno.h bits/errno.h limits.h values.h \
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features.h gnu-versions.h bits/libc-lock.h bits/xopen_lim.h \
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gnu/libc-version.h
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echo-headers: subdir_echo-headers
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# The headers are in the include directory.
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subdir-dirs = include
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vpath %.h $(subdir-dirs)
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# What to install.
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install-others = $(inst_includedir)/gnu/stubs.h
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install-bin = glibcbug
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ifeq (yes,$(build-shared))
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install-others += $(inst_includedir)/gnu/lib-names.h
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endif
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include Makerules
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ifeq ($(build-programs),yes)
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others: $(addprefix $(objpfx),$(install-bin))
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endif
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# Install from subdirectories too.
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install: subdir_install
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# Make sure that the dynamic linker is installed before libc.
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$(inst_slibdir)/libc-$(version).so: elf/ldso_install
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.PHONY: elf/ldso_install
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elf/ldso_install:
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$(MAKE) -C $(@D) $(@F)
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# Create links for shared libraries using the `ldconfig' program is possible.
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# Ignore the error if we cannot update /etc/ld.so.cache.
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ifeq (no,$(cross-compiling))
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ifeq (yes,$(build-shared))
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install: install-symbolic-link
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.PHONY: install-symbolic-link
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install-symbolic-link: subdir_install
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$(symbolic-link-prog) $(symbolic-link-list)
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rm -f $(symbolic-link-list)
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install:
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-test ! -x $(common-objpfx)elf/ldconfig || \
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$(common-objpfx)elf/ldconfig -d $(inst_slibdir) $(inst_libdir)
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ifneq (no,$(PERL))
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ifeq (/usr,$(prefix))
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ifeq (,$(install_root))
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CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx)
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endif
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endif
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endif
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endif
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endif
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# Build subdirectory lib objects.
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lib-noranlib: subdir_lib
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ifeq (yes,$(build-shared))
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# Build the shared object from the PIC object library.
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lib: $(common-objpfx)libc.so
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endif
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# Makerules creates a file `stubs' in each subdirectory, which
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# contains `#define __stub_FUNCTION' for each function defined in that
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# directory which is a stub.
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# Here we paste all of these together into <gnu/stubs.h>.
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subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
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# Since stubs.h is never needed when building the library, we simplify the
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# hairy installation process by producing it in place only as the last part
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# of the top-level `make install'. It depends on subdir_install, which
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# iterates over all the subdirs; subdir_install in each subdir depends on
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# the subdir's stubs file. Having more direct dependencies would result in
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# extra iterations over the list for subdirs and many recursive makes.
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$(inst_includedir)/gnu/stubs.h: subdir_install
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$(make-target-directory)
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@rm -f $(objpfx)stubs.h
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(echo '/* This file is automatically generated.';\
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echo ' It defines a symbol `__stub_FUNCTION'\'' for each function';\
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echo ' in the C library which is a stub, meaning it will fail';\
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echo ' every time called, usually setting errno to ENOSYS. */';\
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sort $(subdir-stubs)) > $(objpfx)stubs.h
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if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
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then echo 'stubs.h unchanged'; \
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else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
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rm -f $(objpfx)stubs.h
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ifeq (yes,$(build-shared))
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$(inst_includedir)/gnu/lib-names.h: $(common-objpfx)gnu/lib-names.h $(+force)
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$(do-install)
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endif
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# The `glibcbug' script contains the version number and it shall be rebuild
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# whenever this changes or the `glibcbug.in' file.
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$(objpfx)glibcbug: $(common-objpfx)config.status glibcbug.in
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cd $(<D) && CONFIG_FILES=$(@F) CONFIG_HEADERS= $(SHELL) $(<F)
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# This makes the Info or DVI file of the documentation from the Texinfo source.
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.PHONY: info dvi
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info dvi:
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$(MAKE) $(PARALLELMFLAGS) -C manual $@
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# This makes all the subdirectory targets.
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# For each target, make it depend on DIR/target for each subdirectory DIR.
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$(+subdir_targets): %: $(addsuffix /%,$(subdirs))
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# Compute a list of all those targets.
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all-subdirs-targets := $(foreach dir,$(subdirs),\
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$(addprefix $(dir)/,$(+subdir_targets)))
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# The action for each of those is to cd into the directory and make the
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# target there.
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$(all-subdirs-targets):
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$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
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.PHONY: $(+subdir_targets) $(all-subdirs-targets)
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# Targets to clean things up to various degrees.
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.PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \
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tests-clean
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# Subroutines of all cleaning targets.
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parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
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-rm -f $(foreach o,$(object-suffixes-for-libc),\
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$(common-objpfx)$(patsubst %,$(libtype$o),c)) \
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$(addprefix $(objpfx),$(install-lib))
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parent-clean: parent-mostlyclean common-clean
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postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
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$(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules) \
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$(addprefix $(objpfx),sysd-sorted soversions.mk)
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clean: parent-clean
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# This is done this way rather than having `subdir_clean' be a
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# dependency of this target so that libc.a will be removed before the
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# subdirectories are dealt with and so they won't try to remove object
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# files from it when it's going to be removed anyway.
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@$(MAKE) subdir_clean no_deps=t
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mostlyclean: parent-mostlyclean
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@$(MAKE) subdir_mostlyclean no_deps=t
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-rm -f $(postclean)
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tests-clean:
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@$(MAKE) subdir_testclean no_deps=t
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# The realclean target is just like distclean for the parent, but we want
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# the subdirs to know the difference in case they care.
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realclean distclean: parent-clean
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# This is done this way rather than having `subdir_distclean' be a
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# dependency of this target so that libc.a will be removed before the
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# subdirectories are dealt with and so they won't try to remove object
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# files from it when it's going to be removed anyway.
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@$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
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sysdep-subdirs="$(sysdep-subdirs)"
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-rm -f $(postclean)
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# Subroutine of distclean and realclean.
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distclean-1: subdir_$(distclean-1)
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-rm -f $(config-generated)
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-rm -f $(addprefix $(objpfx),config.status config.cache config.log)
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-rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
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-rm -f $(addprefix $(objpfx),glibcbug)
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ifdef objdir
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-rm -f $(objpfx)Makefile
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endif
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-rm -f $(sysdep-$(distclean-1))
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.PHONY: echo_subdirs
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echo_subdirs:;@echo '$(subdirs)'
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.PHONY: echo-distinfo parent_echo-distinfo
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echo-distinfo: parent_echo-distinfo subdir_echo-distinfo
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parent_echo-distinfo:
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@echo $(addprefix +header+,$(headers)) \
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$(addprefix +nodist+,$(generated))
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# Make the distribution tarfile.
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distribute := README README.libm INSTALL FAQ FAQ.in NOTES NEWS BUGS \
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PROJECTS COPYING.LIB COPYING ChangeLog ChangeLog.[0-9] \
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Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \
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extra-lib.mk o-iterator.mk configure configure.in \
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aclocal.m4 config.h.in config.make.in config-name.in \
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Makefile.in sysdep.h set-hooks.h libc-symbols.h \
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version.h shlib-versions rpm/Makefile rpm/template \
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rpm/rpmrc glibcbug.in abi-tags stub-tag.h \
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test-skeleton.c include/des.h Versions.def \
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INTERFACE CONFORMANCE \
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$(addprefix scripts/, \
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rellns-sh config.sub config.guess \
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mkinstalldirs move-if-change install-sh \
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test-installation.pl gen-FAQ.pl versions.awk\
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gen-sorted.awk)
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distribute := $(strip $(distribute))
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generated := $(generated) stubs.h
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README: README.template version.h ; # Make-dist should update README.
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define format-me
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@rm -f $@
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makeinfo --no-validate --no-warn --no-headers $< -o $@
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-chmod a-w $@
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endef
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INSTALL: manual/install.texi; $(format-me)
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NOTES: manual/creature.texi; $(format-me)
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manual/dir-add.texi manual/dir-add.info: FORCE
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$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
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FAQ: scripts/gen-FAQ.pl FAQ.in
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$(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
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ifeq ($(with-cvs),yes)
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test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: $(PERL) $^' $@
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endif
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FORCE:
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rpm/%: subdir_distinfo
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$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
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iconvdata/% localedata/% po/%:
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$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
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# This is a special goal for people making binary distributions. Normally
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# everybody uses the DES based crypt library but for the distribution we
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# need the only-MD5 based one as well.
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md5-crypt/libmd5crypt:
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$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
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# glibc 2.0 contains some header files which aren't used with glibc 2.1
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# anymore.
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# These rules should remove those headers
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ifeq (,$(install_root))
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ifeq ($(old-glibc-headers),yes)
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install: remove-old-headers
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endif
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endif
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headers2_0 := __math.h bytesex.h confname.h direntry.h elfclass.h \
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errnos.h fcntlbits.h huge_val.h ioctl-types.h \
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ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h \
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mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h \
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posix2_lim.h posix_opt.h resourcebits.h schedbits.h \
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selectbits.h semaphorebits.h sigaction.h sigcontext.h \
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signum.h sigset.h sockaddrcom.h socketbits.h stab.def \
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statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h \
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syscall-list.h termbits.h timebits.h ustatbits.h \
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utmpbits.h utsnamelen.h waitflags.h waitstatus.h \
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xopen_lim.h gnu/types.h sys/ipc_buf.h \
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sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h \
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sys/shm_buf.h sys/socketcall.h sigstack.h
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.PHONY: remove-old-headers
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remove-old-headers:
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rm -f $(addprefix $(inst_includedir)/, $(headers2_0))
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