diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000000..6a3fb17d4c --- /dev/null +++ b/Makefile @@ -0,0 +1,233 @@ +# 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. ++ansi_dirs := assert ctype locale math setjmp \ + signal stdio stdlib malloc string time ++posix_dirs := dirent grp pwd posix io termios ++other_dirs := resource socket misc gnulib $(wildcard crypt) manual csu +subdirs := $(strip $(+ansi_dirs) $(+posix_dirs) $(+other_dirs) \ + $(sysdep-subdirs)) +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 $(stddef.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 + +lib-noranlib $(libc.a)(__.SYMDEF): subdir_lib + + +$(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 $(libc.a) $(addprefix $(objpfx),$(install-lib)) +parent-clean: parent-mostlyclean common-clean + -rm -f $(addprefix $(common-objpfx),$(common-generated)) + -rm -f $(addprefix $(+sysdir_pfx),sysd-Makefile sysd-dirs sysd-rules) + +clean: parent-clean +# This is done this way rather than having `subdir_clean' be a +# dependency of this target so that libc.a will be removed before the +# subdirectories are dealt with and so they won't try to remove object +# files from it when it's going to be removed anyway. + @$(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 ChangeLog NEWS \ + Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \ + 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) |