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