# Copyright (C) 1991, 1992, 1993, 1994, 1995 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., 675 Mass Ave, # Cambridge, MA 02139, 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 autoconf $(ACFLAGS) $< > $@.new mv -f $@.new $@ test ! -d CVS || cvs commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@ endef configure: configure.in; $(autoconf-it) %/configure: %/configure.in; $(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 locale math setjmp signal stdio stdlib \ malloc string time dirent grp pwd posix io termios resource \ socket misc gnulib $(wildcard crypt) manual \ $(sysdep-subdirs) elf export subdirs := $(subdirs) # Benign, useless in GNU make before 3.63. # The mach and hurd subdirectories have many generated header files which # the much of 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_echo-headers subdir_echo-distinfo \ subdir_install $(addprefix install-, \ no-libc.a bin lib \ data headers others) headers := features.h errno.h sys/errno.h errnos.h limits.h values.h aux = sysdep $(libc-init) version echo-headers: subdir_echo-headers # What to install. install-others = $(includedir)/stubs.h ifeq (yes,$(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 := $(generated) munch-init.c endif include Makerules # Install from subdirectories too. install: subdir_install # Build subdirectory lib objects. lib-noranlib: subdir_lib ifeq (yes,$(build-shared)) # Build the shared object from the PIC object library. lib: $(common-objpfx)libc.so endif $(objpfx)sysd-dirs: $(+sysdir_pfx)config.make (echo define sysdep-subdirs; \ for dir in $(sysdirs); do \ if [ -r $(sysdep_dir)/$$dir/Subdirs ]; then \ sed 's/#.*$$//' $(sysdep_dir)/$$dir/Subdirs; \ else true; \ fi; \ done; \ echo endef) > $@-tmp mv -f $@-tmp $@ # Makerules creates a file `stub-$(subdir)' for each subdirectory, which # contains `#define __stub_FUNCTION' for each function which is a stub. # Here we paste all of these together into <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. $(includedir)/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 $(INSTALL_DATA) $(objpfx)stubs.h $@ rm -f $(objpfx)stubs.h # 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 $(common-objpfx)libc.a $(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 cache.cache) -rm -f $(addprefix $(objpfx),config.make config-name.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 NOTES COPYING.LIB COPYING NEWS \ 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.make.in config-name.in Makefile.in \ munch-tmpl.c munch.awk sysdep.h set-hooks.h libc-symbols.h distribute := $(strip $(distribute)) generated := $(generated) stubs.h README: README.template version.c ; # 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)