# Copyright (C) 1991-2016 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 Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 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 # Lesser General Public License for more details. # You should have received a copy of the GNU Lesser General Public # License along with the GNU C Library; if not, see # <http://www.gnu.org/licenses/>. # # Master Makefile for the GNU C library # ifneq (,) This makefile requires GNU Make. endif include Makeconfig # This is the default target; it makes everything except the tests. .PHONY: all all: lib others ifneq ($(AUTOCONF),no) define autoconf-it @-rm -f $@.new $(AUTOCONF) $(ACFLAGS) $< > $@.new chmod a-w$(patsubst %,$(comma)a+x,$(filter .,$(@D))) $@.new mv -f $@.new $@ endef configure: configure.ac aclocal.m4; $(autoconf-it) %/configure: %/configure.ac aclocal.m4; $(autoconf-it) %/preconfigure: %/preconfigure.ac aclocal.m4; $(autoconf-it) endif # $(AUTOCONF) = no # We don't want to run anything here in parallel. .NOTPARALLEL: # 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 xtests \ subdir_update-abi subdir_check-abi \ subdir_update-all-abi \ subdir_echo-headers \ subdir_install \ subdir_objs subdir_stubs subdir_testclean \ $(addprefix install-, no-libc.a bin lib data headers others) headers := limits.h values.h features.h gnu-versions.h \ bits/xopen_lim.h gnu/libc-version.h stdc-predef.h \ bits/libc-header-start.h echo-headers: subdir_echo-headers # The headers are in the include directory. subdir-dirs = include vpath %.h $(subdir-dirs) # What to install. install-others = $(inst_includedir)/gnu/stubs.h install-bin-script = ifeq (yes,$(build-shared)) headers += gnu/lib-names.h endif include Makerules ifeq ($(build-programs),yes) others: $(addprefix $(objpfx),$(install-bin-script)) endif # Install from subdirectories too. install: subdir_install # Explicit dependency so that `make install-headers' works install-headers: install-headers-nosubdir # Make sure that the dynamic linker is installed before libc. $(inst_slibdir)/libc-$(version).so: elf/ldso_install .PHONY: elf/ldso_install elf/ldso_install: $(MAKE) -C $(@D) $(@F) # Create links for shared libraries using the `ldconfig' program if possible. # Ignore the error if we cannot update /etc/ld.so.cache. ifeq (no,$(cross-compiling)) ifeq (yes,$(build-shared)) install: install-symbolic-link .PHONY: install-symbolic-link install-symbolic-link: subdir_install $(symbolic-link-prog) $(symbolic-link-list) rm -f $(symbolic-link-list) install: -test ! -x $(elf-objpfx)ldconfig || LC_ALL=C \ $(elf-objpfx)ldconfig $(addprefix -r ,$(install_root)) \ $(slibdir) $(libdir) ifneq (no,$(PERL)) ifeq (/usr,$(prefix)) ifeq (,$(install_root)) LD_SO=$(ld.so-version) CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx) endif endif endif endif endif # Build subdirectory lib objects. lib-noranlib: subdir_lib ifeq (yes,$(build-shared)) # Build the shared object from the PIC object library. lib: $(common-objpfx)libc.so $(common-objpfx)linkobj/libc.so endif # $(build-shared) # This is a handy script for running any dynamically linked program against # the current libc build for testing. $(common-objpfx)testrun.sh: $(common-objpfx)config.make \ $(..)Makeconfig $(..)Makefile (echo '#!/bin/sh'; \ echo 'builddir=`dirname "$$0"`'; \ echo 'GCONV_PATH="$${builddir}/iconvdata" \'; \ echo 'exec $(subst $(common-objdir),"$${builddir}",\ $(test-program-prefix)) $${1+"$$@"}'; \ ) > $@T chmod a+x $@T mv -f $@T $@ postclean-generated += testrun.sh others: $(common-objpfx)testrun.sh # Makerules creates a file `stubs' in each subdirectory, which # contains `#define __stub_FUNCTION' for each function defined in that # directory which is a stub. # Here we paste all of these together into <gnu/stubs.h>. subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs) ifndef abi-variants installed-stubs = $(inst_includedir)/gnu/stubs.h else installed-stubs = $(inst_includedir)/gnu/stubs-$(default-abi).h $(inst_includedir)/gnu/stubs.h: $(+force) $(make-target-directory) { \ echo '/* This file is automatically generated.';\ echo " This file selects the right generated file of \`__stub_FUNCTION' macros";\ echo ' based on the architecture being compiled for. */'; \ echo ''; \ $(foreach h,$(abi-includes), echo '#include <$(h)>';) \ echo ''; \ $(foreach v,$(abi-variants),\ $(if $(abi-$(v)-condition),\ echo '#if $(abi-$(v)-condition)'; \ echo '# include <gnu/stubs-$(v).h>'); \ $(if $(abi-$(v)-condition),echo '#endif';) \ rm -f $(@:.d=.h).new$(v); \ ) \ } > $(@:.d=.h).new mv -f $(@:.d=.h).new $(@:.d=.h) install-others-nosubdir: $(installed-stubs) endif # 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. $(installed-stubs): include/stubs-prologue.h subdir_install $(make-target-directory) @rm -f $(objpfx)stubs.h (sed '/^@/d' $<; LC_ALL=C sort $(subdir-stubs)) > $(objpfx)stubs.h if test -r $@ && cmp -s $(objpfx)stubs.h $@; \ then echo 'stubs.h unchanged'; \ else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi rm -f $(objpfx)stubs.h # This makes the Info or DVI file of the documentation from the Texinfo source. .PHONY: info dvi pdf html info dvi pdf html: $(MAKE) $(PARALLELMFLAGS) -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) $(PARALLELMFLAGS) $(subdir-target-args) $(@F) define subdir-target-args subdir=$(@D)$(if $($(@D)-srcdir),\ -C $($(@D)-srcdir) ..=`pwd`/,\ -C $(@D) ..=../) endef .PHONY: $(+subdir_targets) $(all-subdirs-targets) # Targets to clean things up to various degrees. .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \ tests-clean # Subroutines of all cleaning targets. parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules. -rm -f $(foreach o,$(object-suffixes-for-libc),\ $(common-objpfx)$(patsubst %,$(libtype$o),c)) \ $(addprefix $(objpfx),$(install-lib)) parent-clean: parent-mostlyclean common-clean postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \ $(addprefix $(objpfx),sysd-dirs sysd-rules) \ $(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i) clean: parent-clean # This is done this way rather than having `subdir_clean' be a # dependency of this target so that libc.a will be removed before the # subdirectories are dealt with and so they won't try to remove object # files from it when it's going to be removed anyway. @$(MAKE) subdir_clean no_deps=t -rm -f $(postclean) mostlyclean: parent-mostlyclean @$(MAKE) subdir_mostlyclean no_deps=t -rm -f $(postclean) tests-clean: @$(MAKE) subdir_testclean no_deps=t ifneq (,$(CXX)) vpath c++-types.data $(+sysdep_dirs) tests-special += $(objpfx)c++-types-check.out $(objpfx)c++-types-check.out: c++-types.data scripts/check-c++-types.sh scripts/check-c++-types.sh $< $(CXX) $(filter-out -std=gnu11 $(+gccwarn-c),$(CFLAGS)) $(CPPFLAGS) > $@; \ $(evaluate-test) endif tests-special += $(objpfx)check-local-headers.out $(objpfx)check-local-headers.out: scripts/check-local-headers.sh AWK='$(AWK)' scripts/check-local-headers.sh \ "$(includedir)" "$(objpfx)" < /dev/null > $@; \ $(evaluate-test) ifneq ($(PERL),no) installed-headers = argp/argp.h assert/assert.h catgets/nl_types.h \ crypt/crypt.h ctype/ctype.h debug/execinfo.h \ dirent/dirent.h dlfcn/dlfcn.h elf/elf.h elf/link.h \ gmon/sys/gmon.h gmon/sys/gmon_out.h gmon/sys/profil.h \ grp/grp.h gshadow/gshadow.h iconv/iconv.h iconv/gconv.h \ $(wildcard inet/netinet/*.h) \ $(wildcard inet/arpa/*.h inet/protocols/*.h) \ inet/aliases.h inet/ifaddrs.h inet/netinet/ip6.h \ inet/netinet/icmp6.h intl/libintl.h io/sys/stat.h \ io/sys/statfs.h io/sys/vfs.h io/sys/statvfs.h \ io/fcntl.h io/sys/fcntl.h io/poll.h io/sys/poll.h \ io/utime.h io/ftw.h io/fts.h io/sys/sendfile.h \ libio/stdio.h libio/libio.h locale/locale.h \ locale/langinfo.h locale/xlocale.h login/utmp.h \ login/lastlog.h login/pty.h malloc/malloc.h \ malloc/obstack.h malloc/mcheck.h math/math.h \ math/complex.h math/fenv.h math/tgmath.h misc/sys/uio.h \ $(wildcard nis/rpcsvc/*.h) nptl_db/thread_db.h \ sysdeps/nptl/pthread.h sysdeps/pthread/semaphore.h \ nss/nss.h posix/sys/utsname.h posix/sys/times.h \ posix/sys/wait.h posix/sys/types.h posix/unistd.h \ posix/glob.h posix/regex.h posix/wordexp.h posix/fnmatch.h\ posix/getopt.h posix/tar.h posix/sys/unistd.h \ posix/sched.h posix/re_comp.h posix/wait.h \ posix/cpio.h posix/spawn.h pwd/pwd.h resolv/resolv.h \ resolv/netdb.h $(wildcard resolv/arpa/*.h) \ resource/sys/resource.h resource/sys/vlimit.h \ resource/sys/vtimes.h resource/ulimit.h rt/aio.h \ rt/mqueue.h setjmp/setjmp.h shadow/shadow.h \ signal/signal.h signal/sys/signal.h socket/sys/socket.h \ socket/sys/un.h stdio-common/printf.h \ stdio-common/stdio_ext.h stdlib/stdlib.h stdlib/alloca.h \ stdlib/monetary.h stdlib/fmtmsg.h stdlib/ucontext.h \ sysdeps/generic/inttypes.h sysdeps/generic/stdint.h \ stdlib/errno.h stdlib/sys/errno.h string/string.h \ string/strings.h string/memory.h string/endian.h \ string/argz.h string/envz.h string/byteswap.h \ $(wildcard sunrpc/rpc/*.h sunrpc/rpcsvc/*.h) \ sysvipc/sys/ipc.h sysvipc/sys/msg.h sysvipc/sys/sem.h \ sysvipc/sys/shm.h termios/termios.h \ termios/sys/termios.h termios/sys/ttychars.h time/time.h \ time/sys/time.h time/sys/timeb.h wcsmbs/wchar.h \ wctype/wctype.h tests-special += $(objpfx)begin-end-check.out $(objpfx)begin-end-check.out: scripts/begin-end-check.pl $(PERL) scripts/begin-end-check.pl $(installed-headers) > $@; \ $(evaluate-test) endif define summarize-tests @egrep -v '^(PASS|XFAIL):' $(objpfx)$1 || true @echo "Summary of test results$2:" @sed 's/:.*//' < $(objpfx)$1 | sort | uniq -c @! egrep -q -v '^(X?PASS|XFAIL|UNSUPPORTED):' $(objpfx)$1 endef tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special)) tests: $(tests-special) $(..)scripts/merge-test-results.sh -s $(objpfx) "" \ $(sort $(tests-special-notdir:.out=)) \ > $(objpfx)subdir-tests.sum $(..)scripts/merge-test-results.sh -t $(objpfx) subdir-tests.sum \ $(sort $(subdirs) .) \ > $(objpfx)tests.sum $(call summarize-tests,tests.sum) xtests: $(..)scripts/merge-test-results.sh -t $(objpfx) subdir-xtests.sum \ $(sort $(subdirs)) \ > $(objpfx)xtests.sum $(call summarize-tests,xtests.sum, for extra tests) # The realclean target is just like distclean for the parent, but we want # the subdirs to know the difference in case they care. realclean distclean: parent-clean # This is done this way rather than having `subdir_distclean' be a # dependency of this target so that libc.a will be removed before the # subdirectories are dealt with and so they won't try to remove object # files from it when it's going to be removed anyway. @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \ sysdep-subdirs="$(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)