167 lines
4.7 KiB
Makefile
167 lines
4.7 KiB
Makefile
# Copyright (C) 1991, 1992 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
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# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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# Cambridge, MA 02139, 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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# This is the default target; it makes everything except the tests.
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.PHONY: all
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all: lib headers others # doc
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include Makeconfig
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include $(objpfx)sysd-dirs
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define \n
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endef
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+sysdep-subdirs := $(subst $(\n), ,$(+sysdep-subdirs))
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# These are the subdirectories containing the library source.
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+ansi_dirs := assert ctype locale math setjmp \
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signal stdio stdlib malloc string time
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+posix_dirs := dirent grp pwd posix io termios
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+other_dirs := resource socket misc gnulib
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subdirs := $(strip $(+ansi_dirs) $(+posix_dirs) $(+other_dirs) \
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$(sysdep-subdirs))
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# All initialization source files.
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+subdir_inits := $(wildcard $(foreach dir,$(subdirs),$(dir)/init-$(dir).c))
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# All subdirectories containing initialization source files.
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+init_subdirs := $(patsubst %/,%,$(dir $(+subdir_inits)))
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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 mostlyclean subdir_clean\
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tests subdir_lint.out subdir_TAGS subdir_headers \
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subdir_echo-headers subdir_echo-distinfo subdir_install
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headers := features.h errno.h errnos.h limits.h $(stddef.h) \
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float.h fl.h
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headers: subdir_headers
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echo-headers: subdir_echo-headers
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ifdef +gnu-stabs
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# We're using the GNU linker, so we use the set-element init function.
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+init := set-init
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else
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# We're not using the GNU linker, so we use the munch init function.
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+init := munch-init
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$(objpfx)munch-init.c: munch.awk munch-tmpl.c $(+subdir_inits)
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awk -f $< subdirs='$(+init_subdirs)' $(word 2,$^) > $@-tmp
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mv $@-tmp $@
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endif
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aux := sysdep $(+init) version start
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# What to install.
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install-lib = libc.a crt0.o Mcrt1.o
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include Makerules
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# Install from subdirectories too.
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install: subdir_install
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# `crt0' is the traditional name for the startup code,
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# so that's what we install start.o as.
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$(objpfx)crt0.o: $(objpfx)start.o
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-rm -f $@
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ln $< $@
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$(objpfx)Mcrt1.o:
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touch $@
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lib: subdir_lib
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$(objpfx)sysd-dirs: $(+sysdir_pfx)sysdirs
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(echo define sysdep-subdirs; \
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for dir in `cat $<`; do \
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if [ -r $(sysdep_dir)/$$dir/Subdirs ]; then \
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cat $(sysdep_dir)/$$dir/Subdirs; \
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else true; \
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fi; \
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done; \
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echo endef) > $@-tmp
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mv $@-tmp $@
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# This makes the Info file of the documentation from the Texinfo source.
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.PHONY: doc
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doc:
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$(MAKE) -C manual
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# This makes all the subdirectory targets.
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.PHONY: $(+subdir_targets)
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$(+subdir_targets):
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@lose=nil; \
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for dir in $(subdirs); do \
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$(+cmdecho) $(MAKE) -C $$dir $@;\
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$(MAKE) -C $$dir $@ || lose=t; \
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done; \
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test $$lose = nil
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# This clobbers everything that can be regenerated.
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.PHONY: clean realclean
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realclean: clean
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clean:
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-rm -f $(objects) $(+depfiles) munch-init.c
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-rm -f $(libc.a) dist.tar lint.out core TAGS
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-rm -f -r ansi/ trad/
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# This is done this way rather than having `subdir_clean' be a
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# dependency of this target so that libc.a will be removed before the
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# subdirectories are dealt with and so they won't try to remove object
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# files from it when it's going to be removed anyway.
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@$(MAKE) subdir_clean
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parent_TAGS: $(+allsources)
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$(etags) $^
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.PHONY: echo_subdirs
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echo_subdirs:;@echo '$(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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$(addprefix +nodist+,$(dont_distribute))
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# Make the distribution tarfile.
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distribute := README INSTALL NOTES Q+A COPYING.LIB ChangeLog \
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Makefile Makeconfig Makerules Rules Make-dist \
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ansidecl.m4 ansidecl ansidecl.h \
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configure find-sysdirs \
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munch-tmpl.c munch.awk gnu-stabs.h sysdep.h
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distribute := $(strip $(distribute))
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.PHONY: dist
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dist: Make-dist
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$(MAKE) -f $< no_deps=t $(Make-dist-args)
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