mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 11:43:34 +08:00
6bf028786c
(parent-clean): Use $(objpfx) to find sysd-*. * Rules (generated): Append dummy.o dummy.c.
238 lines
8.3 KiB
Makefile
238 lines
8.3 KiB
Makefile
# 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
|
||
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 ChangeLog NEWS \
|
||
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)
|