mirror of
https://sourceware.org/git/glibc.git
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4775578486
This adds a test to ensure that the problems fixed in the last several patches do not recur. Each directory checks the headers that it installs for two properties: first, each header must be compilable in isolation, as both C and C++, under a representative combination of language and library conformance levels; second, there is a blacklist of identifiers that may not appear in any installed header, currently consisting of the legacy BSD typedefs. (There is an exemption for the headers that define those typedefs, and for the RPC headers. It may be necessary to make this more sophisticated if we add more stuff to the blacklist in the future.) In order for this test to work correctly, every wrapper header that actually defines something must guard those definitions with #ifndef _ISOMAC. This is the existing mechanism used by the conform/ tests to tell wrapper headers not to define anything that the public header wouldn't, and not to use anything from libc-symbols.h. conform/ only cares for headers that we need to check for standards conformance, whereas this test applies to *every* header. (Headers in include/ that are either installed directly, or are internal-use-only and do *not* correspond to any installed header, are not affected.) * scripts/check-installed-headers.sh: New script. * Rules: In each directory that defines header files to be installed, run check-installed-headers.sh on them as a special test. * Makefile: Likewise for the headers installed at top level. * include/aliases.h, include/alloca.h, include/argz.h * include/arpa/nameser.h, include/arpa/nameser_compat.h * include/elf.h, include/envz.h, include/err.h * include/execinfo.h, include/fpu_control.h, include/getopt.h * include/gshadow.h, include/ifaddrs.h, include/libintl.h * include/link.h, include/malloc.h, include/mcheck.h * include/mntent.h, include/netinet/ether.h * include/nss.h, include/obstack.h, include/printf.h * include/pty.h, include/resolv.h, include/rpc/auth.h * include/rpc/auth_des.h, include/rpc/auth_unix.h * include/rpc/clnt.h, include/rpc/des_crypt.h * include/rpc/key_prot.h, include/rpc/netdb.h * include/rpc/pmap_clnt.h, include/rpc/pmap_prot.h * include/rpc/pmap_rmt.h, include/rpc/rpc.h * include/rpc/rpc_msg.h, include/rpc/svc.h * include/rpc/svc_auth.h, include/rpc/xdr.h * include/rpcsvc/nis_callback.h, include/rpcsvc/nislib.h * include/rpcsvc/yp.h, include/rpcsvc/ypclnt.h * include/rpcsvc/ypupd.h, include/shadow.h * include/stdio_ext.h, include/sys/epoll.h * include/sys/file.h, include/sys/gmon.h, include/sys/ioctl.h * include/sys/prctl.h, include/sys/profil.h * include/sys/statfs.h, include/sys/sysctl.h * include/sys/sysinfo.h, include/ttyent.h, include/utmp.h * sysdeps/arm/nacl/include/bits/setjmp.h * sysdeps/mips/include/sys/asm.h * sysdeps/unix/sysv/linux/include/sys/sysinfo.h * sysdeps/unix/sysv/linux/include/sys/timex.h * sysdeps/x86/fpu/include/bits/fenv.h: Add #ifndef _ISOMAC guard around internal declarations. Add multiple-inclusion guard if not already present.
446 lines
15 KiB
Makefile
446 lines
15 KiB
Makefile
# Copyright (C) 1991-2016 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 Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the 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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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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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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include Makeconfig
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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 others
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ifneq ($(AUTOCONF),no)
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define autoconf-it
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@-rm -f $@.new
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$(AUTOCONF) $(ACFLAGS) $< > $@.new
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chmod a-w$(patsubst %,$(comma)a+x,$(filter .,$(@D))) $@.new
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mv -f $@.new $@
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endef
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configure: configure.ac aclocal.m4; $(autoconf-it)
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%/configure: %/configure.ac aclocal.m4; $(autoconf-it)
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%/preconfigure: %/preconfigure.ac aclocal.m4; $(autoconf-it)
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endif # $(AUTOCONF) = no
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# We don't want to run anything here in parallel.
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.NOTPARALLEL:
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# These are the targets that are made by making them in each subdirectory.
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+subdir_targets := subdir_lib objects objs others subdir_mostlyclean \
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subdir_clean subdir_distclean subdir_realclean \
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tests xtests \
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subdir_update-abi subdir_check-abi \
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subdir_update-all-abi \
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subdir_echo-headers \
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subdir_install \
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subdir_objs subdir_stubs subdir_testclean \
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$(addprefix install-, no-libc.a bin lib data headers others)
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headers := limits.h values.h features.h gnu-versions.h \
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bits/xopen_lim.h gnu/libc-version.h stdc-predef.h \
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bits/libc-header-start.h
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echo-headers: subdir_echo-headers
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# The headers are in the include directory.
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subdir-dirs = include
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vpath %.h $(subdir-dirs)
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# What to install.
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install-others = $(inst_includedir)/gnu/stubs.h
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install-bin-script =
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ifeq (yes,$(build-shared))
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headers += gnu/lib-names.h
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endif
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include Makerules
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ifeq ($(build-programs),yes)
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others: $(addprefix $(objpfx),$(install-bin-script))
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endif
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# Install from subdirectories too.
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install: subdir_install
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# Explicit dependency so that `make install-headers' works
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install-headers: install-headers-nosubdir
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# Make sure that the dynamic linker is installed before libc.
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$(inst_slibdir)/libc-$(version).so: elf/ldso_install
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.PHONY: elf/ldso_install
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elf/ldso_install:
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$(MAKE) -C $(@D) $(@F)
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# Create links for shared libraries using the `ldconfig' program if possible.
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# Ignore the error if we cannot update /etc/ld.so.cache.
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ifeq (no,$(cross-compiling))
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ifeq (yes,$(build-shared))
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install: install-symbolic-link
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.PHONY: install-symbolic-link
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install-symbolic-link: subdir_install
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$(symbolic-link-prog) $(symbolic-link-list)
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rm -f $(symbolic-link-list)
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install:
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-test ! -x $(elf-objpfx)ldconfig || LC_ALL=C \
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$(elf-objpfx)ldconfig $(addprefix -r ,$(install_root)) \
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$(slibdir) $(libdir)
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ifneq (no,$(PERL))
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ifeq (/usr,$(prefix))
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ifeq (,$(install_root))
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LD_SO=$(ld.so-version) CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx)
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endif
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endif
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endif
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endif
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endif
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# Build subdirectory lib objects.
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lib-noranlib: subdir_lib
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ifeq (yes,$(build-shared))
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# Build the shared object from the PIC object library.
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lib: $(common-objpfx)libc.so $(common-objpfx)linkobj/libc.so
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endif # $(build-shared)
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# This is a handy script for running any dynamically linked program against
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# the current libc build for testing.
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$(common-objpfx)testrun.sh: $(common-objpfx)config.make \
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$(..)Makeconfig $(..)Makefile
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(echo '#!/bin/sh'; \
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echo 'builddir=`dirname "$$0"`'; \
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echo 'GCONV_PATH="$${builddir}/iconvdata" \'; \
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echo 'exec $(subst $(common-objdir),"$${builddir}",\
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$(test-program-prefix)) $${1+"$$@"}'; \
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) > $@T
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chmod a+x $@T
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mv -f $@T $@
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postclean-generated += testrun.sh
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others: $(common-objpfx)testrun.sh
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# Makerules creates a file `stubs' in each subdirectory, which
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# contains `#define __stub_FUNCTION' for each function defined in that
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# directory which is a stub.
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# Here we paste all of these together into <gnu/stubs.h>.
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subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
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ifndef abi-variants
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installed-stubs = $(inst_includedir)/gnu/stubs.h
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else
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installed-stubs = $(inst_includedir)/gnu/stubs-$(default-abi).h
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$(inst_includedir)/gnu/stubs.h: $(+force)
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$(make-target-directory)
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{ \
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echo '/* This file is automatically generated.';\
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echo " This file selects the right generated file of \`__stub_FUNCTION' macros";\
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echo ' based on the architecture being compiled for. */'; \
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echo ''; \
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$(foreach h,$(abi-includes), echo '#include <$(h)>';) \
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echo ''; \
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$(foreach v,$(abi-variants),\
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$(if $(abi-$(v)-condition),\
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echo '#if $(abi-$(v)-condition)'; \
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echo '# include <gnu/stubs-$(v).h>'); \
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$(if $(abi-$(v)-condition),echo '#endif';) \
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rm -f $(@:.d=.h).new$(v); \
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) \
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} > $(@:.d=.h).new
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mv -f $(@:.d=.h).new $(@:.d=.h)
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install-others-nosubdir: $(installed-stubs)
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endif
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# Since stubs.h is never needed when building the library, we simplify the
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# hairy installation process by producing it in place only as the last part
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# of the top-level `make install'. It depends on subdir_install, which
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# iterates over all the subdirs; subdir_install in each subdir depends on
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# the subdir's stubs file. Having more direct dependencies would result in
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# extra iterations over the list for subdirs and many recursive makes.
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$(installed-stubs): include/stubs-prologue.h subdir_install
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$(make-target-directory)
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@rm -f $(objpfx)stubs.h
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(sed '/^@/d' $<; LC_ALL=C sort $(subdir-stubs)) > $(objpfx)stubs.h
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if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
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then echo 'stubs.h unchanged'; \
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else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
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rm -f $(objpfx)stubs.h
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# This makes the Info or DVI file of the documentation from the Texinfo source.
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.PHONY: info dvi pdf html
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info dvi pdf html:
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$(MAKE) $(PARALLELMFLAGS) -C manual $@
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# This makes all the subdirectory targets.
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# For each target, make it depend on DIR/target for each subdirectory DIR.
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$(+subdir_targets): %: $(addsuffix /%,$(subdirs))
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# Compute a list of all those targets.
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all-subdirs-targets := $(foreach dir,$(subdirs),\
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$(addprefix $(dir)/,$(+subdir_targets)))
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# The action for each of those is to cd into the directory and make the
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# target there.
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$(all-subdirs-targets):
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$(MAKE) $(PARALLELMFLAGS) $(subdir-target-args) $(@F)
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define subdir-target-args
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subdir=$(@D)$(if $($(@D)-srcdir),\
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-C $($(@D)-srcdir) ..=`pwd`/,\
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-C $(@D) ..=../)
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endef
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.PHONY: $(+subdir_targets) $(all-subdirs-targets)
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# Targets to clean things up to various degrees.
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.PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \
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tests-clean
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# Subroutines of all cleaning targets.
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parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
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-rm -f $(foreach o,$(object-suffixes-for-libc),\
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$(common-objpfx)$(patsubst %,$(libtype$o),c)) \
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$(addprefix $(objpfx),$(install-lib))
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parent-clean: parent-mostlyclean common-clean
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postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
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$(addprefix $(objpfx),sysd-dirs sysd-rules) \
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$(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i)
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clean: parent-clean
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# This is done this way rather than having `subdir_clean' be a
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# dependency of this target so that libc.a will be removed before the
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# subdirectories are dealt with and so they won't try to remove object
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# files from it when it's going to be removed anyway.
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@$(MAKE) subdir_clean no_deps=t
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-rm -f $(postclean)
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mostlyclean: parent-mostlyclean
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@$(MAKE) subdir_mostlyclean no_deps=t
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-rm -f $(postclean)
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tests-clean:
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@$(MAKE) subdir_testclean no_deps=t
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ifneq (,$(CXX))
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vpath c++-types.data $(+sysdep_dirs)
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tests-special += $(objpfx)c++-types-check.out
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$(objpfx)c++-types-check.out: c++-types.data scripts/check-c++-types.sh
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scripts/check-c++-types.sh $< $(CXX) $(filter-out -std=gnu11 $(+gccwarn-c),$(CFLAGS)) $(CPPFLAGS) > $@; \
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$(evaluate-test)
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endif
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tests-special += $(objpfx)check-local-headers.out
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$(objpfx)check-local-headers.out: scripts/check-local-headers.sh
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AWK='$(AWK)' scripts/check-local-headers.sh \
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"$(includedir)" "$(objpfx)" < /dev/null > $@; \
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$(evaluate-test)
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ifneq ($(PERL),no)
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installed-headers = argp/argp.h assert/assert.h catgets/nl_types.h \
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crypt/crypt.h ctype/ctype.h debug/execinfo.h \
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dirent/dirent.h dlfcn/dlfcn.h elf/elf.h elf/link.h \
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gmon/sys/gmon.h gmon/sys/gmon_out.h gmon/sys/profil.h \
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grp/grp.h gshadow/gshadow.h iconv/iconv.h iconv/gconv.h \
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$(wildcard inet/netinet/*.h) \
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$(wildcard inet/arpa/*.h inet/protocols/*.h) \
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inet/aliases.h inet/ifaddrs.h inet/netinet/ip6.h \
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inet/netinet/icmp6.h intl/libintl.h io/sys/stat.h \
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io/sys/statfs.h io/sys/vfs.h io/sys/statvfs.h \
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io/fcntl.h io/sys/fcntl.h io/poll.h io/sys/poll.h \
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io/utime.h io/ftw.h io/fts.h io/sys/sendfile.h \
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libio/stdio.h libio/libio.h locale/locale.h \
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locale/langinfo.h locale/xlocale.h login/utmp.h \
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login/lastlog.h login/pty.h malloc/malloc.h \
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malloc/obstack.h malloc/mcheck.h math/math.h \
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math/complex.h math/fenv.h math/tgmath.h misc/sys/uio.h \
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$(wildcard nis/rpcsvc/*.h) nptl_db/thread_db.h \
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sysdeps/nptl/pthread.h sysdeps/pthread/semaphore.h \
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nss/nss.h posix/sys/utsname.h posix/sys/times.h \
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posix/sys/wait.h posix/sys/types.h posix/unistd.h \
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posix/glob.h posix/regex.h posix/wordexp.h posix/fnmatch.h\
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posix/getopt.h posix/tar.h posix/sys/unistd.h \
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posix/sched.h posix/re_comp.h posix/wait.h \
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posix/cpio.h posix/spawn.h pwd/pwd.h resolv/resolv.h \
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resolv/netdb.h $(wildcard resolv/arpa/*.h) \
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resource/sys/resource.h resource/sys/vlimit.h \
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resource/sys/vtimes.h resource/ulimit.h rt/aio.h \
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rt/mqueue.h setjmp/setjmp.h shadow/shadow.h \
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signal/signal.h signal/sys/signal.h socket/sys/socket.h \
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socket/sys/un.h stdio-common/printf.h \
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stdio-common/stdio_ext.h stdlib/stdlib.h stdlib/alloca.h \
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stdlib/monetary.h stdlib/fmtmsg.h stdlib/ucontext.h \
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sysdeps/generic/inttypes.h sysdeps/generic/stdint.h \
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stdlib/errno.h stdlib/sys/errno.h string/string.h \
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string/strings.h string/memory.h string/endian.h \
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string/argz.h string/envz.h string/byteswap.h \
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$(wildcard sunrpc/rpc/*.h sunrpc/rpcsvc/*.h) \
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sysvipc/sys/ipc.h sysvipc/sys/msg.h sysvipc/sys/sem.h \
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sysvipc/sys/shm.h termios/termios.h \
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termios/sys/termios.h termios/sys/ttychars.h time/time.h \
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time/sys/time.h time/sys/timeb.h wcsmbs/wchar.h \
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wctype/wctype.h
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tests-special += $(objpfx)begin-end-check.out
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$(objpfx)begin-end-check.out: scripts/begin-end-check.pl
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$(PERL) scripts/begin-end-check.pl $(installed-headers) > $@; \
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$(evaluate-test)
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endif
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ifneq "$(headers)" ""
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# Special test of all the installed headers in this directory.
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tests-special += $(objpfx)check-installed-headers-c.out
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libof-check-installed-headers-c := nonlib
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$(objpfx)check-installed-headers-c.out: \
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scripts/check-installed-headers.sh $(headers)
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$(SHELL) $(..)scripts/check-installed-headers.sh c \
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"$(CC) $(filter-out -std=%,$(CFLAGS)) -D_ISOMAC $(+includes)" \
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$(headers) > $@; \
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$(evaluate-test)
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ifneq "$(CXX)" ""
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tests-special += $(objpfx)check-installed-headers-cxx.out
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libof-check-installed-headers-cxx := nonlib
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$(objpfx)check-installed-headers-cxx.out: \
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scripts/check-installed-headers.sh $(headers)
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$(SHELL) $(..)scripts/check-installed-headers.sh c++ \
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"$(CXX) $(filter-out -std=%,$(CXXFLAGS)) -D_ISOMAC $(+includes)" \
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$(headers) > $@; \
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$(evaluate-test)
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endif
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endif
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define summarize-tests
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@egrep -v '^(PASS|XFAIL):' $(objpfx)$1 || true
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@echo "Summary of test results$2:"
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@sed 's/:.*//' < $(objpfx)$1 | sort | uniq -c
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@! egrep -q -v '^(X?PASS|XFAIL|UNSUPPORTED):' $(objpfx)$1
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endef
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tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special))
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tests: $(tests-special)
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$(..)scripts/merge-test-results.sh -s $(objpfx) "" \
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$(sort $(tests-special-notdir:.out=)) \
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> $(objpfx)subdir-tests.sum
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$(..)scripts/merge-test-results.sh -t $(objpfx) subdir-tests.sum \
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$(sort $(subdirs) .) \
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> $(objpfx)tests.sum
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$(call summarize-tests,tests.sum)
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xtests:
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$(..)scripts/merge-test-results.sh -t $(objpfx) subdir-xtests.sum \
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$(sort $(subdirs)) \
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> $(objpfx)xtests.sum
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$(call summarize-tests,xtests.sum, for extra tests)
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# The realclean target is just like distclean for the parent, but we want
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# the subdirs to know the difference in case they care.
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realclean distclean: parent-clean
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# This is done this way rather than having `subdir_distclean' 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.
|
||
@$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
|
||
sysdep-subdirs="$(sysdep-subdirs)"
|
||
-rm -f $(postclean)
|
||
|
||
# Subroutine of distclean and realclean.
|
||
distclean-1: subdir_$(distclean-1)
|
||
-rm -f $(config-generated)
|
||
-rm -f $(addprefix $(objpfx),config.status config.cache config.log)
|
||
-rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
|
||
ifdef objdir
|
||
-rm -f $(objpfx)Makefile
|
||
endif
|
||
-rm -f $(sysdep-$(distclean-1))
|
||
|
||
# Make the TAGS file for Emacs users.
|
||
|
||
.PHONY: TAGS
|
||
TAGS:
|
||
scripts/list-sources.sh | sed -n -e '/Makefile/p' \
|
||
$(foreach S,[chsSyl] cxx sh bash pl,\
|
||
$(subst .,\.,-e '/.$S\(.in\)*$$/p')) \
|
||
| $(ETAGS) -o $@ -
|
||
|
||
# Make the distribution tarfile.
|
||
.PHONY: dist dist-prepare
|
||
|
||
generated := $(generated) stubs.h
|
||
|
||
files-for-dist := README INSTALL configure ChangeLog NEWS
|
||
|
||
# Regenerate stuff, then error if these things are not committed yet.
|
||
dist-prepare: $(files-for-dist)
|
||
conf=`find sysdeps $(addsuffix /sysdeps,$(sysdeps-add-ons)) \
|
||
-name configure`; \
|
||
$(MAKE) $$conf && \
|
||
git diff --stat HEAD -- $^ $$conf \
|
||
| $(AWK) '{ print; rc=1 } END { exit rc }'
|
||
|
||
%.tar: FORCE
|
||
git archive --prefix=$*/ $* > $@.new
|
||
mv -f $@.new $@
|
||
|
||
# Do `make dist dist-version=X.Y.Z' to make tar files of an older version.
|
||
|
||
ifneq (,$(strip $(dist-version)))
|
||
dist: $(foreach Z,.bz2 .gz .xz,$(dist-version).tar$Z)
|
||
md5sum $^
|
||
else
|
||
dist: dist-prepare
|
||
@if v=`git describe`; then \
|
||
echo Distribution version $$v; \
|
||
$(MAKE) dist dist-version=$$v; \
|
||
else \
|
||
false; \
|
||
fi
|
||
endif
|
||
|
||
INSTALL: manual/install-plain.texi manual/macros.texi \
|
||
$(common-objpfx)manual/pkgvers.texi manual/install.texi
|
||
makeinfo --no-validate --plaintext --no-number-sections \
|
||
-I$(common-objpfx)manual $< -o $@-tmp
|
||
$(AWK) 'NF == 0 { ++n; next } \
|
||
NF != 0 { while (n-- > 0) print ""; n = 0; print }' \
|
||
< $@-tmp > $@-tmp2
|
||
rm -f $@-tmp
|
||
-chmod a-w $@-tmp2
|
||
mv -f $@-tmp2 $@
|
||
$(common-objpfx)manual/%: FORCE
|
||
$(MAKE) $(PARALLELMFLAGS) -C manual $@
|
||
FORCE:
|
||
|
||
iconvdata/% localedata/% po/%: FORCE
|
||
$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
|