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Makefile | 1994-10-26 | 8.5 KB | 246 lines |
- # Copyright (C) 1991, 1992, 1993, 1994 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
-
- configure: configure.in
- autoconf $(ACFLAGS)
-
- %/configure: %/configure.in
- autoconf $(ACFLAGS) $< > $@.new
- mv -f $@.new $@
-
- include Makeconfig
-
- include $(objpfx)sysd-dirs
- define \n
-
-
- endef
- sysdep-subdirs := $(subst $(\n), ,$(sysdep-subdirs))
-
- # 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
- 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)
-
- echo-headers: subdir_echo-headers
-
- ifdef +gnu-stabs
- # We're using the GNU linker, so we use the set-element init function.
- +init := set-init
- else
- # We're not using the GNU linker, so we use the munch init function.
- +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
-
- aux := sysdep $(+init) version start
-
-
- # What to install.
- # SCO 3.2v4 uses crt1.o. Some other system uses Mcrt1.o.
- # They are created below (containing no data or code).
- install-lib = crt0.o crt1.o Mcrt1.o # libc.a is done by Makerules.
- install-others = $(includedir)/stubs.h
-
-
- include Makerules
-
- # Install from subdirectories too.
- install: subdir_install
-
- # `crt0' is the traditional name for the startup code,
- # so that's what we install start.o as.
- $(objpfx)crt0.o: $(objpfx)start.o
- -rm -f $@
- ln $< $@
-
- $(objpfx)Mcrt1.o $(objpfx)crt1.o:
- cp /dev/null $(@:.o=.c)
- $(COMPILE.c) $(@:.o=.c) $(OUTPUT_OPTION)
- rm -f $(@:.o=.c)
-
- 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 $(+sysdir_pfx),sysd-Makefile sysd-dirs sysdirs)
-
- clean: parent-clean
- # This is done this way rather than having `subdir_clean' be a
- # dependency of this target so that libc.a will be removed before the
- # subdirectories are dealt with and so they won't try to remove object
- # files from it when it's going to be removed anyway.
- @$(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=$@
-
- # Subroutine of distclean and realclean.
- distclean-1: subdir_$(distclean-1)
- -rm -f $(config-generated)
- -rm -f $(addprefix $(objpfx),config.status config.make)
- ifdef objdir
- -rm -f $(objpfx)Makefile
- endif
-
- .PHONY: echo_subdirs
- echo_subdirs:;@echo '$(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\
- munch-tmpl.c munch.awk gnu-stabs.h sysdep.h set-hooks.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)
-