# Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98 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 # This is the default target; it makes everything except the tests. .PHONY: all all: lib others define autoconf-it @-rm -f $@.new autoconf $(ACFLAGS) $< > $@.new chmod a-w,a+x $@.new mv -f $@.new $@ test ! -d CVS || cvs commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@ endef configure: configure.in aclocal.m4; $(autoconf-it) %/configure: %/configure.in aclocal.m4; $(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 db locale intl catgets math setjmp signal stdlib \ stdio-common $(stdio) malloc string wcsmbs time dirent grp pwd \ posix io termios resource login misc socket sysvipc gmon gnulib \ wctype manual shadow md5-crypt nss $(sysdep-subdirs) po \ $(add-ons) elf export subdirs := $(subdirs) # Benign, useless in GNU make before 3.63. # The mach and hurd subdirectories have many generated header files which # much of the 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_distinfo \ subdir_echo-headers subdir_echo-distinfo \ subdir_install \ $(addprefix install-, no-libc.a bin lib data headers others) headers := errno.h sys/errno.h errnos.h limits.h values.h \ features.h gnu-versions.h libc-lock.h xopen_lim.h aux = sysdep $(libc-init) version before-compile += $(objpfx)version-info.h echo-headers: subdir_echo-headers # What to install. install-others = $(inst_includedir)/gnu/stubs.h install-bin = glibcbug ifeq (yes,$(build-shared)) install-others += $(inst_includedir)/gnu/lib-names.h endif ifeq (yes,$(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 := $(generated) munch-init.c endif include Makerules # Install from subdirectories too. install: subdir_install # Create linkfs for shared libraries using the `ldconfig' program is possible. # Ignore the error if we cannot update /etc/ld.so.cache. ifeq (no,$(cross-compiling)) ifeq (yes,$(build-shared)) install: -test ! -x $(common-objpfx)elf/ldconfig || \ $(common-objpfx)elf/ldconfig -d $(inst_slibdir) $(inst_libdir) endif endif # Build subdirectory lib objects. lib-noranlib: subdir_lib ifeq (yes,$(build-shared)) # Build the shared object from the PIC object library. lib: $(common-objpfx)libc.so endif all-Subdirs-files = $(wildcard $(addsuffix /Subdirs, $(config-sysdirs))) $(objpfx)sysd-dirs: $(+sysdir_pfx)config.make $(all-Subdirs-files) (echo define sysdep-subdirs; \ sed 's/#.*$$//' $(all-Subdirs-files) /dev/null; \ echo endef) > $@-tmp mv -f $@-tmp $@ all-Banner-files = $(wildcard $(addsuffix /Banner, $(subdirs))) $(objpfx)version-info.h: $(+sysdir_pfx)config.make $(all-Banner-files) (case $(config-os) in \ linux*) version=`(echo -e "#include \nUTS_RELEASE"\ | $(CC) -E -P - | \ sed -e 's/"\([^"]*\)".*/\1/p' -e d) 2>/dev/null`;\ if [ -z "$$version" ]; then \ if [ -r /proc/version ]; then \ version=`sed 's/.*version \([^ ]*\) .*/>>\1< $@T mv -f $@T $@ generated += version-info.h version.c-objects := $(addprefix $(objpfx)version,$(object-suffixes)) $(version.c-objects): $(objpfx)version-info.h # Makerules creates a file `stub-$(subdir)' for each subdirectory, which # contains `#define __stub_FUNCTION' for each function which is a stub. # Here we paste all of these together into . 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. $(inst_includedir)/gnu/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 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 if test -r $@ && cmp -s $< $@; \ then echo 'gnu/lib-names.h unchanged'; \ else $(INSTALL_DATA) $< $@; fi 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 $(