Makefile

   1 # Copyright (C) 1991-2002,2003,2004,2005,2006,2008,2009
   2 #       Free Software Foundation, Inc.
   3 # This file is part of the GNU C Library.
   4
   5 # The GNU C Library is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU Lesser General Public
   7 # License as published by the Free Software Foundation; either
   8 # version 2.1 of the License, or (at your option) any later version.
   9
  10 # The GNU C Library is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # Lesser General Public License for more details.
  14
  15 # You should have received a copy of the GNU Lesser General Public
  16 # License along with the GNU C Library; if not, write to the Free
  17 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18 # 02111-1307 USA.
  19
  20 #
  21 #       Master Makefile for the GNU C library
  22 #
  23 ifneq (,)
  24 This makefile requires GNU Make.
  25 endif
  26
  27 include Makeconfig
  28
  29
  30 # This is the default target; it makes everything except the tests.
  31 .PHONY: all
  32 all: lib others
  33 \f
  34 ifneq ($(AUTOCONF),no)
  35
  36 ifeq ($(with-cvs),yes)
  37 define autoconf-it-cvs
  38 test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
  39 endef
  40 else
  41 autoconf-it-cvs =
  42 endif
  43
  44 define autoconf-it
  45 @-rm -f $@.new
  46 $(AUTOCONF) $(ACFLAGS) $< > $@.new
  47 chmod a-w$(patsubst %,$(comma)a+x,$(filter .,$(@D))) $@.new
  48 mv -f $@.new $@
  49 $(autoconf-it-cvs)
  50 endef
  51
  52 configure: configure.in aclocal.m4; $(autoconf-it)
  53 %/configure: %/configure.in aclocal.m4; $(autoconf-it)
  54 %/preconfigure: %/preconfigure.in aclocal.m4; $(autoconf-it)
  55
  56 endif # $(AUTOCONF) = no
  57
  58
  59 # We don't want to run anything here in parallel.
  60 .NOTPARALLEL:
  61
  62 # These are the targets that are made by making them in each subdirectory.
  63 +subdir_targets := subdir_lib objects objs others subdir_mostlyclean    \
  64                    subdir_clean subdir_distclean subdir_realclean       \
  65                    tests xtests subdir_lint.out                         \
  66                    subdir_update-abi subdir_check-abi                   \
  67                    subdir_echo-headers                                  \
  68                    subdir_install                                       \
  69                    subdir_objs subdir_stubs subdir_testclean            \
  70                    $(addprefix install-, no-libc.a bin lib data headers others)
  71 \f
  72 headers := limits.h values.h features.h gnu-versions.h bits/libc-lock.h \
  73            bits/xopen_lim.h gnu/libc-version.h bits/predefs.h
  74
  75 echo-headers: subdir_echo-headers
  76
  77 # The headers are in the include directory.
  78 subdir-dirs = include
  79 vpath %.h $(subdir-dirs)
  80
  81 # What to install.
  82 install-bin-script =
  83
  84 # If we're bootstrapping, install a dummy gnu/stubs.h along with the
  85 # other headers, so 'make install-headers' produces a useable include
  86 # tree.  Otherwise, install gnu/stubs.h later, after the rest of the
  87 # build is done.
  88 ifeq ($(install-bootstrap-headers),yes)
  89 install-headers: $(inst_includedir)/gnu/stubs.h
  90 else
  91 install-others = $(inst_includedir)/gnu/stubs.h
  92 endif
  93
  94 ifeq (yes,$(build-shared))
  95 headers += gnu/lib-names.h
  96 endif
  97
  98 include Makerules
  99
 100 ifeq ($(build-programs),yes)
 101 others: $(addprefix $(objpfx),$(install-bin-script))
 102 endif
 103
 104 # Install from subdirectories too.
 105 install: subdir_install
 106
 107 # Explicit dependency so that `make install-headers' works
 108 install-headers: install-headers-nosubdir
 109
 110 # Make sure that the dynamic linker is installed before libc.
 111 $(inst_slibdir)/libc-$(version).so: elf/ldso_install
 112
 113 .PHONY: elf/ldso_install
 114 elf/ldso_install:
 115         $(MAKE) -C $(@D) $(@F)
 116
 117 # Create links for shared libraries using the `ldconfig' program if possible.
 118 # Ignore the error if we cannot update /etc/ld.so.cache.
 119 ifeq (no,$(cross-compiling))
 120 ifeq (yes,$(build-shared))
 121 install: install-symbolic-link
 122 .PHONY: install-symbolic-link
 123 install-symbolic-link: subdir_install
 124         $(symbolic-link-prog) $(symbolic-link-list)
 125         rm -f $(symbolic-link-list)
 126
 127 install:
 128         -test ! -x $(common-objpfx)elf/ldconfig || LC_ALL=C LANGUAGE=C \
 129           $(common-objpfx)elf/ldconfig $(addprefix -r ,$(install_root)) \
 130                                        $(slibdir) $(libdir)
 131 ifneq (no,$(PERL))
 132 ifeq (/usr,$(prefix))
 133 ifeq (,$(install_root))
 134         CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx)
 135 endif
 136 endif
 137 endif
 138 endif
 139 endif
 140
 141 # Build subdirectory lib objects.
 142 lib-noranlib: subdir_lib
 143
 144 ifeq (yes,$(build-shared))
 145 # Build the shared object from the PIC object library.
 146 lib: $(common-objpfx)libc.so
 147 endif
 148
 149
 150 # This is a handy script for running any dynamically linked program against
 151 # the current libc build for testing.
 152 $(common-objpfx)testrun.sh: $(common-objpfx)config.make \
 153                             $(..)Makeconfig $(..)Makefile
 154         (echo '#!/bin/sh'; \
 155          echo "GCONV_PATH='$(common-objpfx)iconvdata' \\"; \
 156          echo 'exec $(run-program-prefix) $${1+"$$@"}'; \
 157         ) > $@T
 158         chmod a+x $@T
 159         mv -f $@T $@
 160 postclean-generated += testrun.sh
 161
 162 others: $(common-objpfx)testrun.sh
 163 \f
 164 # Makerules creates a file `stubs' in each subdirectory, which
 165 # contains `#define __stub_FUNCTION' for each function defined in that
 166 # directory which is a stub.
 167 # Here we paste all of these together into <gnu/stubs.h>.
 168
 169 subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
 170
 171 # gnu/stubs.h depends (via the subdir 'stubs' targets) on all the .o
 172 # files in EGLIBC.  For bootstrapping a GCC/EGLIBC pair, an empty
 173 # gnu/stubs.h is good enough.
 174 ifeq ($(install-bootstrap-headers),yes)
 175 $(inst_includedir)/gnu/stubs.h: include/stubs-bootstrap.h $(+force)
 176         $(make-target-directory)
 177         $(INSTALL_DATA) $< $@
 178
 179 installed-stubs =
 180 else
 181 ifeq ($(biarch),no)
 182 installed-stubs = $(inst_includedir)/gnu/stubs.h
 183 else
 184 installed-stubs = $(inst_includedir)/gnu/stubs-$(biarch).h
 185
 186 $(inst_includedir)/gnu/stubs.h: include/stubs-biarch.h $(+force)
 187         $(make-target-directory)
 188         $(INSTALL_DATA) $< $@
 189
 190 install-others-nosubdir: $(installed-stubs)
 191 endif
 192 endif
 193
 194
 195 # Since stubs.h is never needed when building the library, we simplify the
 196 # hairy installation process by producing it in place only as the last part
 197 # of the top-level `make install'.  It depends on subdir_install, which
 198 # iterates over all the subdirs; subdir_install in each subdir depends on
 199 # the subdir's stubs file.  Having more direct dependencies would result in
 200 # extra iterations over the list for subdirs and many recursive makes.
 201 $(installed-stubs): include/stubs-prologue.h subdir_install
 202         $(make-target-directory)
 203         @rm -f $(objpfx)stubs.h
 204         (sed '/^@/d' $<; LC_ALL=C sort $(subdir-stubs)) > $(objpfx)stubs.h
 205         if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
 206         then echo 'stubs.h unchanged'; \
 207         else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
 208         rm -f $(objpfx)stubs.h
 209 \f
 210 # This makes the Info or DVI file of the documentation from the Texinfo source.
 211 .PHONY: info dvi pdf html
 212 info dvi pdf html:
 213         $(MAKE) $(PARALLELMFLAGS) -C manual $@
 214 \f
 215 # This makes all the subdirectory targets.
 216
 217 # For each target, make it depend on DIR/target for each subdirectory DIR.
 218 $(+subdir_targets): %: $(addsuffix /%,$(subdirs))
 219
 220 # Compute a list of all those targets.
 221 all-subdirs-targets := $(foreach dir,$(subdirs),\
 222                                  $(addprefix $(dir)/,$(+subdir_targets)))
 223
 224 # The action for each of those is to cd into the directory and make the
 225 # target there.
 226 $(all-subdirs-targets):
 227         $(MAKE) $(PARALLELMFLAGS) $(subdir-target-args) $(@F)
 228
 229 define subdir-target-args
 230 subdir=$(@D)$(if $($(@D)-srcdir),\
 231 -C $($(@D)-srcdir) ..=`pwd`/,\
 232 -C $(@D) ..=../)
 233 endef
 234
 235 .PHONY: $(+subdir_targets) $(all-subdirs-targets)
 236 \f
 237 # Targets to clean things up to various degrees.
 238
 239 .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \
 240         tests-clean
 241
 242 # Subroutines of all cleaning targets.
 243 parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
 244         -rm -f $(foreach o,$(object-suffixes-for-libc),\
 245                    $(common-objpfx)$(patsubst %,$(libtype$o),c)) \
 246                $(addprefix $(objpfx),$(install-lib))
 247 parent-clean: parent-mostlyclean common-clean
 248
 249 postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
 250             $(addprefix $(objpfx),sysd-dirs sysd-rules) \
 251             $(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i)
 252
 253 clean: parent-clean
 254 # This is done this way rather than having `subdir_clean' be a
 255 # dependency of this target so that libc.a will be removed before the
 256 # subdirectories are dealt with and so they won't try to remove object
 257 # files from it when it's going to be removed anyway.
 258         @$(MAKE) subdir_clean no_deps=t
 259         -rm -f $(postclean)
 260 mostlyclean: parent-mostlyclean
 261         @$(MAKE) subdir_mostlyclean no_deps=t
 262         -rm -f $(postclean)
 263
 264 tests-clean:
 265         @$(MAKE) subdir_testclean no_deps=t
 266
 267 tests: $(objpfx)c++-types-check.out $(objpfx)check-local-headers.out
 268 ifneq ($(CXX),no)
 269 check-data := $(firstword $(wildcard \
 270                 $(foreach D,$(add-ons) scripts,\
 271                           $(patsubst %,$D/data/c++-types-%.data,\
 272                                      $(abi-name) \
 273                                      $(addsuffix -$(config-os),\
 274                                                  $(config-machine) \
 275                                                  $(base-machine))))))
 276 ifneq (,$(check-data))
 277 $(objpfx)c++-types-check.out: $(check-data) scripts/check-c++-types.sh
 278         scripts/check-c++-types.sh $< $(CXX) $(filter-out -std=gnu99 -Wstrict-prototypes,$(CFLAGS)) $(CPPFLAGS) > $@
 279 else
 280 $(objpfx)c++-types-check.out:
 281         @echo 'WARNING C++ tests not run; create a c++-types-XXX file'
 282         @echo "not run" > $@
 283 endif
 284 endif
 285
 286 $(objpfx)check-local-headers.out: scripts/check-local-headers.sh
 287         scripts/check-local-headers.sh "$(includedir)" "$(objpfx)" > $@
 288
 289 ifneq ($(PERL),no)
 290 installed-headers = argp/argp.h assert/assert.h catgets/nl_types.h \
 291                     crypt/crypt.h ctype/ctype.h debug/execinfo.h \
 292                     dirent/dirent.h dlfcn/dlfcn.h elf/elf.h elf/link.h \
 293                     gmon/sys/gmon.h gmon/sys/gmon_out.h gmon/sys/profil.h \
 294                     grp/grp.h gshadow/gshadow.h iconv/iconv.h iconv/gconv.h \
 295                     $(wildcard inet/netinet/*.h) \
 296                     $(wildcard inet/arpa/*.h inet/protocols/*.h) \
 297                     inet/aliases.h inet/ifaddrs.h inet/netinet/ip6.h \
 298                     inet/netinet/icmp6.h intl/libintl.h io/sys/stat.h \
 299                     io/sys/statfs.h io/sys/vfs.h io/sys/statvfs.h \
 300                     io/fcntl.h io/sys/fcntl.h io/poll.h io/sys/poll.h \
 301                     io/utime.h io/ftw.h io/fts.h io/sys/sendfile.h \
 302                     libio/stdio.h libio/libio.h locale/locale.h \
 303                     locale/langinfo.h locale/xlocale.h login/utmp.h \
 304                     login/lastlog.h login/pty.h malloc/malloc.h \
 305                     malloc/obstack.h malloc/mcheck.h math/math.h \
 306                     math/complex.h math/fenv.h math/tgmath.h misc/sys/uio.h \
 307                     $(wildcard nis/rpcsvc/*.h) nptl_db/thread_db.h \
 308                     nptl/sysdeps/pthread/pthread.h nptl/semaphore.h \
 309                     nss/nss.h posix/sys/utsname.h posix/sys/times.h \
 310                     posix/sys/wait.h posix/sys/types.h posix/unistd.h \
 311                     posix/glob.h posix/regex.h posix/wordexp.h posix/fnmatch.h\
 312                     posix/getopt.h posix/tar.h posix/sys/unistd.h \
 313                     posix/sched.h posix/re_comp.h posix/wait.h \
 314                     posix/cpio.h posix/spawn.h pwd/pwd.h resolv/resolv.h \
 315                     resolv/netdb.h $(wildcard resolv/arpa/*.h) \
 316                     resource/sys/resource.h resource/sys/vlimit.h \
 317                     resource/sys/vtimes.h resource/ulimit.h rt/aio.h \
 318                     rt/mqueue.h setjmp/setjmp.h shadow/shadow.h \
 319                     signal/signal.h signal/sys/signal.h socket/sys/socket.h \
 320                     socket/sys/un.h stdio-common/printf.h \
 321                     stdio-common/stdio_ext.h stdlib/stdlib.h stdlib/alloca.h \
 322                     stdlib/monetary.h stdlib/fmtmsg.h stdlib/ucontext.h \
 323                     sysdeps/generic/inttypes.h sysdeps/generic/stdint.h \
 324                     stdlib/errno.h stdlib/sys/errno.h string/string.h \
 325                     string/strings.h string/memory.h string/endian.h \
 326                     string/argz.h string/envz.h string/byteswap.h \
 327                     $(wildcard sunrpc/rpc/*.h sunrpc/rpcsvc/*.h) \
 328                     sysvipc/sys/ipc.h sysvipc/sys/msg.h sysvipc/sys/sem.h \
 329                     sysvipc/sys/shm.h termios/termios.h \
 330                     termios/sys/termios.h termios/sys/ttychars.h time/time.h \
 331                     time/sys/time.h time/sys/timeb.h wcsmbs/wchar.h \
 332                     wctype/wctype.h
 333
 334 tests: $(objpfx)begin-end-check.out
 335 $(objpfx)begin-end-check.out: scripts/begin-end-check.pl
 336         $(PERL) scripts/begin-end-check.pl $(installed-headers) > $@
 337 endif
 338
 339 # The realclean target is just like distclean for the parent, but we want
 340 # the subdirs to know the difference in case they care.
 341 realclean distclean: parent-clean
 342 # This is done this way rather than having `subdir_distclean' be a
 343 # dependency of this target so that libc.a will be removed before the
 344 # subdirectories are dealt with and so they won't try to remove object
 345 # files from it when it's going to be removed anyway.
 346         @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
 347                  sysdep-subdirs="$(sysdep-subdirs)"
 348         -rm -f $(postclean)
 349
 350 # Subroutine of distclean and realclean.
 351 distclean-1: subdir_$(distclean-1)
 352         -rm -f $(config-generated)
 353         -rm -f $(addprefix $(objpfx),config.status config.cache config.log)
 354         -rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
 355 ifdef objdir
 356         -rm -f $(objpfx)Makefile
 357 endif
 358         -rm -f $(sysdep-$(distclean-1))
 359 \f
 360 # Make the TAGS file for Emacs users.
 361
 362 .PHONY: TAGS
 363 TAGS:
 364         scripts/list-sources.sh | sed -n -e '/Makefile/p' \
 365           $(foreach S,[chsSyl] cxx sh bash pl,\
 366                     $(subst .,\.,-e '/.$S\(.in\)*$$/p')) \
 367         | $(ETAGS) -o $@ -
 368 \f
 369 # Make the distribution tarfile.
 370 .PHONY: dist dist-prepare
 371
 372 generated := $(generated) stubs.h
 373
 374 files-for-dist := README FAQ INSTALL NOTES configure ChangeLog NEWS
 375
 376 # Regenerate stuff, then error if these things are not committed yet.
 377 dist-prepare: $(files-for-dist)
 378         conf=`find sysdeps $(addsuffix /sysdeps,$(sysdeps-add-ons)) \
 379                    -name configure`; \
 380         $(MAKE) $$conf && \
 381         git diff --stat HEAD -- $^ $$conf \
 382         | $(AWK) '{ print; rc=1 } END { exit rc }'
 383
 384 %.tar: FORCE
 385         git archive --prefix=$*/ $* > $@.new
 386         mv -f $@.new $@
 387
 388 # Do `make dist dist-version=X.Y.Z' to make tar files of an older version.
 389
 390 ifneq (,$(strip $(dist-version)))
 391 dist: $(foreach Z,.bz2 .gz .xz,$(dist-version).tar$Z)
 392         md5sum $^
 393 else
 394 dist: dist-prepare
 395         @if v=`git describe`; then \
 396           echo Distribution version $$v; \
 397           $(MAKE) dist dist-version=$$v; \
 398         else \
 399           false; \
 400         fi
 401 endif
 402
 403 define format-me
 404 @rm -f $@
 405 makeinfo --no-validate --plaintext --no-number-sections $< -o $@
 406 -chmod a-w $@
 407 endef
 408 INSTALL: manual/install.texi; $(format-me)
 409 NOTES: manual/creature.texi; $(format-me)
 410 manual/dir-add.texi manual/dir-add.info: FORCE
 411         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 412 FAQ: scripts/gen-FAQ.pl FAQ.in
 413         $(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
 414 ifeq ($(with-cvs),yes)
 415         test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated:  $(PERL) $^' $@
 416 endif
 417 FORCE:
 418
 419 iconvdata/% localedata/% po/% manual/%: FORCE
 420         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 421
 422 # glibc 2.0 contains some header files which aren't used with glibc 2.1
 423 # anymore.
 424 # These rules should remove those headers
 425 ifeq (,$(install_root))
 426 ifeq ($(old-glibc-headers),yes)
 427 install: remove-old-headers
 428 endif
 429 endif
 430
 431 headers2_0 :=   __math.h bytesex.h confname.h direntry.h elfclass.h     \
 432                 errnos.h fcntlbits.h huge_val.h ioctl-types.h           \
 433                 ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h      \
 434                 mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h           \
 435                 posix2_lim.h posix_opt.h resourcebits.h schedbits.h     \
 436                 selectbits.h semaphorebits.h sigaction.h sigcontext.h   \
 437                 signum.h sigset.h sockaddrcom.h socketbits.h stab.def   \
 438                 statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h          \
 439                 syscall-list.h termbits.h timebits.h ustatbits.h        \
 440                 utmpbits.h utsnamelen.h waitflags.h waitstatus.h        \
 441                 xopen_lim.h gnu/types.h sys/ipc_buf.h                   \
 442                 sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h        \
 443                 sys/shm_buf.h sys/socketcall.h sigstack.h
 444
 445 .PHONY: remove-old-headers
 446 remove-old-headers:
 447         rm -f $(addprefix $(inst_includedir)/, $(headers2_0))