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glibc/Makerules
Roland McGrath c316b48636 * mach/Makefile (headers): Add mach/mach_traps.h. 
* Makerules ($(installed-libcs) rule): Fix typos.
1995-03-27 17:44:04 +00:00

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# 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.
#
# Common rules for making the GNU C library. This file is included
# by the top-level Makefile and by all subdirectory makefiles
# (through Rules).
#
ifneq (,)
This makefile requires GNU Make.
endif
ifdef subdir
.. := ../
endif # subdir
# If `sources' was defined by the parent makefile, undefine it so
# we will later get it from wildcard search in this directory.
ifneq "$(findstring env,$(origin sources))" ""
sources :=
endif
headers := $(headers) $(sysdep_headers)
oPATH := $(PATH)
PATH := this definition should take precedence over $(oPATH)
ifeq ($(PATH),$(oPATH))
You must not use the -e flag when building the GNU C library.
else
PATH := $(oPATH)
endif
ifndef +included-Makeconfig
include $(..)Makeconfig
endif
# `configure' writes a definition of `config-sysdirs' in `config.make'.
sysdirs = $(config-sysdirs)
+sysdir_pfx = $(common-objpfx)
export sysdirs := $(sysdirs)
+sysdep_dirs := $(addprefix $(sysdep_dir)/,$(sysdirs))
ifdef objdir
+sysdep_dirs := $(objdir) $(+sysdep_dirs)
endif
# Add -I switches to get the right sysdep directories.
# `+includes' in Makeconfig references $(+sysdep-includes).
+sysdep-includes := $(addprefix -I,$(+sysdep_dirs))
# Include any system-specific makefiles.
# This is here so things in sysdep Makefiles can easily depend on foo.h as
# appropriate and not worry about where foo.h comes from, which may be
# system dependent and not known by that Makefile.
vpath %.h $(subst $(empty) ,:,$(strip $(common-objpfx) \
$(addprefix $(sysdep_dir)/,$(sysdirs)) \
$(..)))
ifeq ($(wildcard $(+sysdir_pfx)sysd-Makefile),)
# Don't do deps until this exists, because it might change the sources list.
no_deps=t
endif
# Some sysdep makefiles use this to distinguish being included here from
# being included individually by a subdir makefile (hurd/Makefile needs this).
in-Makerules := yes
ifndef avoid-generated
include $(+sysdir_pfx)sysd-Makefile
$(+sysdir_pfx)sysd-Makefile: $(+sysdir_pfx)config.make $(..)Makerules
-@rm -f $@T
(for dir in $(sysdirs); do \
file=sysdeps/$$dir/Makefile; \
if [ -f $(..)$$file ]; then \
echo include "\$$(..)$$file"; \
else true; fi; \
done; \
echo 'sysd-Makefile-done=t') > $@T
mv -f $@T $@
endif
# Reorder before-compile so that mach things come first, and hurd things
# second, before all else. 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).
before-compile := $(filter $(common-objpfx)mach% $(common-objpfx)hurd%,\
$(before-compile)) \
$(filter-out $(common-objpfx)mach% $(common-objpfx)hurd%,\
$(before-compile))
# Remove existing files from `before-compile'. Things are added there when
# they must exist for dependency generation to work right, but once they
# exist there is no further need for every single file to depend on them,
# and those gratuitous dependencies result in many gratuitous
# recompilations.
before-compile := $(filter-out $(wildcard $(before-compile)),$(before-compile))
# Don't let any before-compile file be an intermediate and get removed.
ifdef before-compile
$(before-compile):
endif
# Generate an ordered list of implicit rules which find the source files in
# each sysdep directory. The old method was to use vpath to search all the
# sysdep directories. However, that had the problem that a .S file in a
# later directory would be chosen over a .c file in an earlier directory,
# which does not preserve the desired sysdeps ordering behavior.
# When making the list of .d files to include, we can't know which ones
# have source in .s files, and thus do not in fact need a .d file.
# So we must define rules to make .d files for .s files.
define make-dummy-dep
$(addprefix ln $(objpfx)dummy.d ,$(filter-out $(wildcard $@),$@))
endef
$(objpfx)dummy.d:
echo '# .s files cannot contain includes, so they need no deps.' > $@
# It matters that this set of rules, for compiling from sources in
# the current directory (the $srcdir/$subdir) come before the
# generated sysdep rules in included from sysd-rules below. When
# compiling in the source tree, generated sources go into the current
# directory, and those should be chosen before any sources in sysdeps.
$(objpfx)%.o: %.S $(before-compile); $(compile-command.S)
$(objpfx)%.so: %.S $(before-compile); $(compile-command.S)
$(objpfx)%.po: %.S $(before-compile); $(compile-command.S)
$(objpfx)%.go: %.S $(before-compile); $(compile-command.S)
$(objpfx)%.d: %.S $(before-compile); $(+make-deps)
$(objpfx)%.o: %.s $(before-compile); $(compile-command.s)
$(objpfx)%.so: %.s $(before-compile); $(compile-command.s)
$(objpfx)%.po: %.s $(before-compile); $(compile-command.s)
$(objpfx)%.go: %.s $(before-compile); $(compile-command.s)
$(objpfx)%.d: %.s $(objpfx)dummy.d; $(make-dummy-dep)
$(objpfx)%.o: %.c $(before-compile); $(compile-command.c)
$(objpfx)%.so: %.c $(before-compile); $(compile-command.c)
$(objpfx)%.po: %.c $(before-compile); $(compile-command.c)
$(objpfx)%.go: %.c $(before-compile); $(compile-command.c)
$(objpfx)%.d: %.c $(before-compile); $(+make-deps)
# Omit the objpfx rules when building in the source tree, because
# objpfx is empty and so these rules just override the ones above.
ifdef objpfx
# Define first rules to find the source files in $(objpfx).
# Generated source files will end up there.
$(objpfx)%.o: $(objpfx)%.S $(before-compile); $(compile-command.S)
$(objpfx)%.so: $(objpfx)%.S $(before-compile); $(compile-command.S)
$(objpfx)%.po: $(objpfx)%.S $(before-compile); $(compile-command.S)
$(objpfx)%.go: $(objpfx)%.S $(before-compile); $(compile-command.S)
$(objpfx)%.d: $(objpfx)%.S $(before-compile); $(+make-deps)
$(objpfx)%.o: $(objpfx)%.s $(before-compile); $(compile-command.s)
$(objpfx)%.so: $(objpfx)%.s $(before-compile); $(compile-command.s)
$(objpfx)%.po: $(objpfx)%.s $(before-compile); $(compile-command.s)
$(objpfx)%.go: $(objpfx)%.s $(before-compile); $(compile-command.s)
$(objpfx)%.d: $(objpfx)%.s $(objpfx)dummy.d; $(make-dummy-dep)
$(objpfx)%.o: $(objpfx)%.c $(before-compile); $(compile-command.c)
$(objpfx)%.so: $(objpfx)%.c $(before-compile); $(compile-command.c)
$(objpfx)%.po: $(objpfx)%.c $(before-compile); $(compile-command.c)
$(objpfx)%.go: $(objpfx)%.c $(before-compile); $(compile-command.c)
$(objpfx)%.d: $(objpfx)%.c $(before-compile); $(+make-deps)
endif
# System-dependent makefiles can put in `inhibit-sysdep-asm' wildcard
# patterns matching sysdep directories whose assembly source files should
# be suppressed.
ifdef inhibit-sysdep-asm
define open-check-inhibit-asm
case $$sysdir in $(subst $(empty) ,|,$(inhibit-sysdep-asm))) : ;; *)
endef
close-check-inhibit-asm = ;; esac ;
endif
# Don't include sysd-rules until sysd-Makefile is already there and has been
# included. It might define inhibit-sysdep-asm, which would affect the
# contents of sysd-rules.
ifdef sysd-Makefile-done
include $(+sysdir_pfx)sysd-rules
endif
$(+sysdir_pfx)sysd-rules: $(+sysdir_pfx)config.make $(..)Makerules \
$(wildcard $(foreach dir,$(sysdirs),\
$(sysdep_dir)/$(dir)/Makefile))
-@rm -f $@T
(for sysdir in $(sysdirs); do \
dir="\$$(sysdep_dir)/$$sysdir"; \
for o in $(object-suffixes); do \
$(open-check-inhibit-asm) \
echo "\$$(objpfx)%$$o: $$dir/%.S \$$(before-compile); \
\$$(compile-command.S)"; \
echo "\$$(objpfx)%$$o: $$dir/%.s \$$(before-compile); \
\$$(compile-command.s)"; \
$(close-check-inhibit-asm) \
echo "\$$(objpfx)%$$o: $$dir/%.c \$$(before-compile); \
\$$(compile-command.c)"; \
done; \
$(open-check-inhibit-asm) \
echo "\$$(objpfx)%.d: $$dir/%.s \$$(objpfx)dummy.d; \
\$$(make-dummy-dep)"; \
echo "\$$(objpfx)%.d: $$dir/%.S \$$(before-compile); \
\$$(+make-deps)"; \
$(close-check-inhibit-asm) \
echo "\$$(objpfx)%.d: $$dir/%.c \$$(before-compile); \
\$$(+make-deps)"; \
done) > $@T
mv -f $@T $@
ifndef compile-command.S
compile-command.S = $(compile.S) $(OUTPUT_OPTION)
endif
ifndef compile-command.s
compile-command.s = $(COMPILE.s) $< $(OUTPUT_OPTION)
endif
ifndef compile-command.c
compile-command.c = $(compile.c) $(OUTPUT_OPTION)
endif
# GCC can grok options after the file name, and it looks nicer that way.
compile.S = $(CC) $< -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS)
compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS)
# We need this for the output to go in the right place. It will default to
# empty if make was configured to work with a cc that can't grok -c and -o
# together. You can't compile the C library with such a compiler.
OUTPUT_OPTION = -o $@
S-CPPFLAGS = $(asm-CPPFLAGS)
define +make-deps
-@rm -f $@
$(+mkdep) $< $(CPPFLAGS) $($(<:$*.%=%)-CPPFLAGS) | \
sed -e 's,$*\.o,$(foreach o,$(object-suffixes),$(@:.d=$o)) $@,' \
$(sed-remove-objpfx) > $(@:.d=.T)
mv -f $(@:.d=.T) $@
endef
ifneq (,$(objpfx))
sed-remove-objpfx = -e 's@ $(subst @,\@,$(objpfx))@ $$(objpfx)@g' \
-e 's@^$(subst @,\@,$(objpfx))@$$(objpfx)@g'
endif
# Figure out the source filenames in this directory.
override sources := $(addsuffix .c,$(filter-out $(elided-routines),\
$(routines) $(aux) \
$(sysdep_routines)))
sysdep_routines := $(sysdep_routines)
# This is the list of all object files, gotten by
# replacing every ".c" in `sources' with a ".o".
override objects := $(addprefix $(objpfx),$(sources:.c=.o))
# This variable is used in ``include $(o-iterator)'' after defining
# $(o-iterator-doit) to produce some desired rule using $o for the object
# suffix, and setting $(object-suffixes-left) to $(object-suffixes); a copy
# is produced for each object suffix in use.
o-iterator = $(patsubst %,$(..)o-iterator.mk,$(object-suffixes))
# The makefile may define $(extra-libs) with `libfoo libbar'
# to build libfoo.a et al from the modules listed in $(libfoo-routines).
ifdef extra-libs
# extra-lib.mk is included once for each extra lib to define rules
# to build it, and to add its objects to the various variables.
# During its evaluation, $(lib) is set to the name of the library.
extra-libs-left := $(extra-libs)
include $(patsubst %,$(..)extra-lib.mk,$(extra-libs))
endif
+depfiles := $(strip $(sources:.c=.d) \
$(patsubst %.o,%.d,$(filter %.o,$(extra-objs))) \
$(addsuffix .d,$(others) $(tests)))
+depfiles := $(addprefix $(objpfx),\
$(filter-out $(addsuffix .d,$(omit-deps)),\
$(+depfiles)))
$(objpfx)depend-$(subdir): Makefile
ifdef +depfiles
for file in $(+depfiles:$(objpfx)%=%); do \
echo "include \$$(objpfx)$$file"; \
done > $@-tmp
mv -f $@-tmp $@
else
cp /dev/null $@
endif
ifneq ($(no_deps),t)
# Include the generated dependencies of the sources in this directory.
include $(objpfx)depend-$(subdir)
endif
# Maximize efficiency by minimizing the number of rules.
.SUFFIXES: # Clear the suffix list.
# Add the suffixes we use.
.SUFFIXES: .a $(object-suffixes) .S .s .c .h .d
# Generic rule for making directories.
%/:
# mkdir isn't smart enough to strip a trailing /.
mkdir $(@:%/=%)
# Make sure that object files are not removed
# when they are intermediates between sources and library members.
.PRECIOUS: $(addprefix $(objpfx)%,$(object-suffixes))
# Make sure that the parent library archive is never removed.
.PRECIOUS: $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c))
# Use the verbose option of ar and tar when not running silently.
ifeq "$(findstring s,$(MAKEFLAGS))" "" # if not -s
verbose := v
else # -s
verbose :=
endif # not -s
ARFLAGS := r$(verbose)
# This makes all the object files in the parent library archive.
.PHONY: lib libobjs lib-noranlib
lib: lib-noranlib $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c))
# Pattern rule for libraries: depend on the __.SYMDEF member updated by ranlib.
lib%.a: lib%.a(__.SYMDEF) ;
ifeq (yes,$(build-shared))
# Pattern rule to build a shared object from an archive of PIC objects.
# $(LDLIBS-%.so) may contain -l switches to generate run-time dependencies
# on other shared objects.
lib%.so: lib%_pic.a
$(LINK.o) -shared -o $@ -Wl,--whole-archive $< $(LDLIBS-$*.so)
endif
libobjs: $(foreach o,$(object-suffixes),\
$(common-objpfx)$(patsubst %,$(libtype$o),c)(\
$(notdir $(objects:.o=$o))))
lib-noranlib: libobjs $(addprefix $(objpfx),$(install-lib))
ifdef objects
# Define a pattern rule that will match many targets libc.a(foo.%), for
# each foo.o in $(objects) (% will just happen always to match `o'). This is
# the only way to define a rule that updates many targets at once with one
# sequence of commands. We in fact define the pattern rule to match
# targets libc.a(foo.%), libc_pic.a(foo.%), etc, to avoid repeating the rule.
# Each match will only ever be called upon to make member objects of
# the appropriate type in each library (i.e. libc_pic.a(foo.so)).
$(foreach l,$(libtypes),\
$(common-objpfx)$(patsubst %,$l,c)($(notdir $(objects:.o=.%)))): \
$(objpfx)stamp.%-$(subdir) ;
# The pattern rule tells Make to remake $(objpfx)stamp.%-$(subdir) as
# the way to update all the foo.% object files in $(objects).
# Now we define a static pattern rule to update each
# $(objpfx)stamp.SUFFIX-$(subdir) timestamp file;
# these rules (one explicit rule is generated for each object suffix)
# will update the parent archive with
$(foreach o,$(object-suffixes),$(objpfx)stamp$o-$(subdir)): \
$(objpfx)stamp%-$(subdir): $(objects:.o=%)
$(patsubst %,cd %;,$(objdir)) \
$(AR) cru$(verbose) ${O%-lib} \
$(patsubst $(objpfx)%,%,$^)
touch $@
O%-lib = $(filter ../,$(firstword $(objdir) ../))$(patsubst %,$(libtype$*),c)
endif
# Rules to update the __.SYMDEF member with ranlib.
# To consolidate, each flavor library's __.SYMDEF member
# depends on the imaginary intermediate file `symdef.SUFFIX',
# where SUFFIX is that flavor's object suffix; then a pattern rule
# "remakes" symdef.% depending on all the libc.a(foo.%) files in $(objects).
$(common-objpfx)$(patsubst %,$(libtype.o),c)(__.SYMDEF): symdef.o
$(common-objpfx)$(patsubst %,$(libtype.so),c)(__.SYMDEF): symdef.so
$(common-objpfx)$(patsubst %,$(libtype.po),c)(__.SYMDEF): symdef.po
$(common-objpfx)$(patsubst %,$(libtype.go),c)(__.SYMDEF): symdef.go
symdef.%: $(foreach o,$(object-suffixes),\
$(common-objpfx)$(patsubst %,$(libtype$o),c)(\
$(patsubst $(objpfx)%.o,%.%,$(objects)))) \
$(filter subdir_lib,$(firstword $(subdir) subdir_lib))
# The last line above makes it also depend on subdir_lib for the parent.
$(RANLIB) $(common-objpfx)$(patsubst %,$(libtype.$*),c)
# This makes all the object files.
.PHONY: objects objs
objects objs: $(foreach o,$(object-suffixes),$(objects:.o=$o)) \
$(addprefix $(objpfx),$(extra-objs))
# Canned sequence for building an extra library archive.
define build-extra-lib
$(patsubst %,cd %;,$(objdir)) \
$(AR) cru$(verbose) $(@:$(objpfx)%=%) \
$(patsubst $(objpfx)%,%,$^)
$(RANLIB) $@
endef
# Installation.
# $(install-lib) are installed from the object directory into $(libdir);
# files in $(install-lib) matching `lib%.a' are ranlib'd after installation
# unless they also appear in $(non-lib.a). $(install-data) are installed
# as they are into $(datadir). $(headers) are installed as they are in
# $(includedir). $(install-bin) and $(install-sbin) are installed from the
# object directory into $(bindir) and $(sbindir), respectively.
# $(install-others) are absolute path names of files to install; rules to
# install them are defined elsewhere.
# The simple library name to install libc.a under.
# This could be defined by a sysdep Makefile.
ifndef libc-name
libc-name := c
endif
define do-install
$(make-target-directory)
$(INSTALL_DATA) $< $@
endef
# Make the target directory if it doesn't exist. Because of make's
# directory cache, this will produce the `mkdir' command when the directory
# already exists, if it didn't exist at the start of the `make' run. The
# `-' prefix ignores errors from mkdir, so there will just be some
# gratuitous but harmless `File exists' messages.
define make-target-directory
$(addprefix -mkdir ,$(filter-out $(wildcard $(@D:%/=%)),$(@D:%/=%)))
endef
# Any directory (parent or subdir) that has any object files to build
# should install libc.a; this way "make install" in a subdir is guaranteed
# to install everything it changes.
ifdef objects
installed-libcs := $(foreach o,$(object-suffixes),\
$(libdir)/$(patsubst %,$(libtype$o),\
$(libprefix)$(libc-name)))
install: $(installed-libcs)
# We avoid depending on lib-noranlib because that makes the parent make
# subdir_lib in all the subdirs, when the make install run they do will
# update the library anyway. Running ranlib after installing makes the
# __.SYMDEF time stamp up to date, which avoids messages from some linkers.
# Depending on subdir_install gets all the subdirs to update the library,
# and is optimal for `make install' at top level.
$(installed-libcs): $(libdir)/lib$(libprefix)%: libobjs subdir_install
$(make-target-directory)
$(INSTALL_DATA) $(common-objpfx)lib$(*:$(libc-name)%=c%) $@
$(RANLIB) $@
endif
install-lib.so := libc.so $(filter lib%.so,$(install-lib))
install-lib := $(filter-out lib%.so,$(install-lib))
ifeq (yes,$(build-shared))
install: $(foreach so,$(install-lib.so), \
$(libdir)/$(so:lib%=lib$(libprefix)%).$($(so)-version))
$(libdir)/lib$(libprefix)%.so: $(common-objpfx)lib%.so; $(do-install)
endif
ifdef install-bin
$(addprefix $(bindir)/,$(install-bin)): $(bindir)/%: $(objpfx)%
$(make-target-directory)
$(INSTALL_PROGRAM) $< $@
endif
ifdef install-sbin
$(addprefix $(sbindir)/,$(install-sbin)): $(sbindir)/%: $(objpfx)%
$(make-target-directory)
$(INSTALL_PROGRAM) $< $@
endif
ifdef install-lib
install-lib.a := $(filter lib%.a,$(install-lib))
install-lib-non.a := $(filter-out lib%.a,$(install-lib))
ifdef install-lib-non.a
$(addprefix $(libdir)/$(libprefix),$(install-lib-non.a)): \
$(libdir)/$(libprefix)%: $(objpfx)%
$(do-install)
endif
ifdef install-lib.a
$(install-lib.a:lib%.a=$(libdir)/lib$(libprefix)%.a): \
$(libdir)/lib$(libprefix)%.a: $(objpfx)lib%.a
$(do-install)
$(patsubst %,$(RANLIB) $@,$(filter-out $(non-lib.a),$(<F)))
endif
endif
ifdef install-data
$(addprefix $(datadir)/,$(install-data)): $(datadir)/%: %;$(do-install)
endif
headers := $(strip $(headers))
ifdef headers
$(addprefix $(includedir)/,$(headers)): \
$(includedir)/%: %;$(do-install)
endif # headers
.PHONY: install-bin-nosubdir install-sbin-nosubdir install-lib-nosubdir \
install-data-nosubdir install-headers-nosubdir
install-bin-nosubdir: $(addprefix $(bindir)/,$(install-bin))
install-sbin-nosubdir: $(addprefix $(sbindir)/,$(install-sbin))
install-lib-nosubdir: $(addprefix $(libdir)/,\
$(patsubst lib%.a,lib$(libprefix)%.a,$(install-lib.a)) \
$(addprefix $(libprefix),$(install-lib-non.a)))
install-data-nosubdir: $(addprefix $(datadir)/,$(install-data))
install-headers-nosubdir: $(addprefix $(includedir)/,$(headers))
install-others-nosubdir: $(install-others)
# We need all the `-nosubdir' targets so that `install' in the parent
# doesn't depend on several things which each iterate over the subdirs.
# This rule makes `install-FOO' always use `install-FOO-nosubdir' as a
# subroutine. Then in the parent `install-FOO' also causes subdir makes.
install-%:: install-%-nosubdir ;
.PHONY: install install-no-libc.a-nosubdir
install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\
install-bin-nosubdir install-lib-nosubdir \
install-others-nosubdir install-sbin-nosubdir
install: install-no-libc.a-nosubdir
# Command to compile $< in $(objdir) using the native libraries.
define native-compile
cwd=`pwd`; cd $(@D); $(BUILD_CC) $(BUILD_CFLAGS) \
$(addprefix $$cwd/,$^) -o $(@F)
endef
# Command to compile $< in $(common-objdir) using the native libraries.
define common-objdir-compile
cd $(@D); $(BUILD_CC) $(BUILD_CFLAGS) $(<:$(common-objpfx)%=%) -o $(@F)
endef
# We always want to use configuration definitions.
BUILD_CFLAGS = -include $(common-objpfx)config.h
# Support the GNU standard name for this target.
.PHONY: check
check: tests
.PHONY: TAGS
TAGS: distinfo $(..)MakeTAGS
$(MAKE) $(addprefix -f ,$^)
.PHONY: echo-headers
echo-headers:
@echo $(headers)
# Common cleaning targets.
.PHONY: common-mostlyclean common-clean mostlyclean clean
clean: common-clean
mostlyclean: common-mostlyclean
# Remove the object files.
common-mostlyclean:
-rm -f $(addprefix $(objpfx),$(tests) $(others) \
$(addsuffix .o,$(tests) $(others)) \
$(addsuffix .out,$(tests)))
-rm -f $(addprefix $(objpfx),$(extra-objs) $(install-lib))
-rm -f core $(objpfx)stub-$(subdir)
$(rmobjs)
define rmobjs
$(foreach o,$(object-suffixes),
-rm -f $(addprefix $(objpfx),stamp$o-$(subdir)) $(objects:.o=$o))
endef
# Also remove the dependencies and generated source files.
common-clean: common-mostlyclean
-rm -f $(objpfx)depend-$(subdir) $(+depfiles)
-rm -f $(addprefix $(objpfx),$(generated))
# Produce a file `stub-$(subdir)' which contains `#define __stub_FUNCTION'
# for each function which is a stub. We grovel over all the .d files
# looking for references to source files in sysdeps/stub. Then we grovel
# over each referenced source file to see what stub function it defines.
.PHONY: stubs # The parent Makefile calls this target.
stubs: $(common-objpfx)stub-$(subdir)
s = $(sysdep_dir)/stub
$(common-objpfx)stub-$(subdir): $(+depfiles)
# Use /dev/null since `...` might expand to empty.
s=`cd $s; /bin/pwd`; \
$(patsubst %,cd %;,$(objdir)) \
sed -n 's/^stub_warning *(\([^)]*\).*$$/#define __stub_\1/p' \
`sed -n 's@^.*$s/\([a-z0-9_-]*\.c\).*$$@'"$$s"/'\1@p' \
$(patsubst $(objpfx)%,%,$^) /dev/null` \
/dev/null > $@T
mv -f $@T $@
# Make the distribution tar file.
.PHONY: dist
dist: distinfo $(..)Make-dist
$(MAKE) -f $< -f $(word 2,$^) $(Make-dist-args)
dist: $(distribute)
# We used to simply export all these variables, but that frequently made the
# environment get too large. Instead, we write all the information into
# a generated makefile fragment `distinfo', and then include it with -f in
# the sub-make that makes the distribution (above).
distinfo: Makefile $(..)Makerules
$(distinfo-vars)
mv -f $@.new $@
define distinfo-vars
rm -f $@.new
$(foreach var,subdir sources elided-routines headers distribute \
dont_distribute generated others tests,
echo >> $@.new '$(var) := $($(var))')
echo >> $@.new 'sources := $$(sources) $$(addsuffix .c,$$(elided-routines))'
endef
ifneq (,$(strip $(gpl2lgpl)))
ifneq (,$(wildcard $(..)gpl2lgpl.sed))
# Snarf from the master source and frob the copying notice.
$(gpl2lgpl): %: $(..)gpl2lgpl.sed /home/gd/gnu/lib/%
sed -f $^ > $@-tmp
# So I don't edit them by mistake.
chmod a-w $@-tmp
mv -f $@-tmp $@
test -d CVS && cvs commit -m'Updated from $^' $@
endif
endif
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