Makefile

   1 # Copyright (C) 1991-1999, 2000, 2001, 2002 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   4 # The GNU C Library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8
   9 # The GNU C Library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with the GNU C Library; if not, write to the Free
  16 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17 # 02111-1307 USA.
  18
  19 #
  20 #       Master Makefile for the GNU C library
  21 #
  22 ifneq (,)
  23 This makefile requires GNU Make.
  24 endif
  25
  26 include Makeconfig
  27
  28
  29 # This is the default target; it makes everything except the tests.
  30 .PHONY: all
  31 all: lib others
  32 \f
  33 ifeq ($(with-cvs),yes)
  34 define autoconf-it
  35 @-rm -f $@.new
  36 autoconf $(ACFLAGS) $< > $@.new
  37 chmod a-w,a+x $@.new
  38 mv -f $@.new $@
  39 test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
  40 endef
  41 else
  42 define autoconf-it
  43 @-rm -f $@.new
  44 autoconf $(ACFLAGS) $< > $@.new
  45 chmod a-w,a+x $@.new
  46 mv -f $@.new $@
  47 endef
  48 endif
  49
  50 # We don't want to run anything here in parallel.
  51 .NOTPARALLEL:
  52
  53 configure: configure.in aclocal.m4; $(autoconf-it)
  54 %/configure: %/configure.in aclocal.m4; $(autoconf-it)
  55
  56 # These are the targets that are made by making them in each subdirectory.
  57 +subdir_targets := subdir_lib objects objs others subdir_mostlyclean    \
  58                    subdir_clean subdir_distclean subdir_realclean       \
  59                    tests xtests subdir_lint.out                         \
  60                    subdir_distinfo                                      \
  61                    subdir_echo-headers subdir_echo-distinfo             \
  62                    subdir_install                                       \
  63                    subdir_testclean                                     \
  64                    $(addprefix install-, no-libc.a bin lib data headers others)
  65 \f
  66 headers := errno.h sys/errno.h bits/errno.h limits.h values.h   \
  67            features.h gnu-versions.h bits/libc-lock.h bits/xopen_lim.h  \
  68            gnu/libc-version.h
  69
  70 echo-headers: subdir_echo-headers
  71
  72 # The headers are in the include directory.
  73 subdir-dirs = include
  74 vpath %.h $(subdir-dirs)
  75
  76 # What to install.
  77 install-others = $(inst_includedir)/gnu/stubs.h
  78 install-bin-script = glibcbug
  79
  80 ifeq (yes,$(build-shared))
  81 headers += gnu/lib-names.h
  82 endif
  83
  84 include Makerules
  85
  86 ifeq ($(build-programs),yes)
  87 others: $(addprefix $(objpfx),$(install-bin-script))
  88 endif
  89
  90 # Install from subdirectories too.
  91 install: subdir_install
  92
  93 # Explicit dependency so that `make install-headers' works
  94 install-headers: install-headers-nosubdir
  95
  96 # Make sure that the dynamic linker is installed before libc.
  97 $(inst_slibdir)/libc-$(version).so: elf/ldso_install
  98
  99 .PHONY: elf/ldso_install
 100 elf/ldso_install:
 101         $(MAKE) -C $(@D) $(@F)
 102
 103 # Create links for shared libraries using the `ldconfig' program if possible.
 104 # Ignore the error if we cannot update /etc/ld.so.cache.
 105 ifeq (no,$(cross-compiling))
 106 ifeq (yes,$(build-shared))
 107 install: install-symbolic-link
 108 .PHONY: install-symbolic-link
 109 install-symbolic-link: subdir_install
 110         $(symbolic-link-prog) $(symbolic-link-list)
 111         rm -f $(symbolic-link-list)
 112
 113 install:
 114         -test ! -x $(common-objpfx)elf/ldconfig || LC_ALL=C LANGUAGE=C \
 115           $(common-objpfx)elf/ldconfig $(addprefix -r ,$(install_root)) \
 116                                        $(slibdir) $(libdir)
 117 ifneq (no,$(PERL))
 118 ifeq (/usr,$(prefix))
 119 ifeq (,$(install_root))
 120         CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx)
 121 endif
 122 endif
 123 endif
 124 endif
 125 endif
 126
 127 # Build subdirectory lib objects.
 128 lib-noranlib: subdir_lib
 129
 130 ifeq (yes,$(build-shared))
 131 # Build the shared object from the PIC object library.
 132 lib: $(common-objpfx)libc.so
 133 endif
 134 \f
 135 # Makerules creates a file `stubs' in each subdirectory, which
 136 # contains `#define __stub_FUNCTION' for each function defined in that
 137 # directory which is a stub.
 138 # Here we paste all of these together into <gnu/stubs.h>.
 139
 140 subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
 141
 142 # Since stubs.h is never needed when building the library, we simplify the
 143 # hairy installation process by producing it in place only as the last part
 144 # of the top-level `make install'.  It depends on subdir_install, which
 145 # iterates over all the subdirs; subdir_install in each subdir depends on
 146 # the subdir's stubs file.  Having more direct dependencies would result in
 147 # extra iterations over the list for subdirs and many recursive makes.
 148 $(inst_includedir)/gnu/stubs.h: subdir_install
 149         $(make-target-directory)
 150         @rm -f $(objpfx)stubs.h
 151         (echo '/* This file is automatically generated.';\
 152          echo '   It defines a symbol `__stub_FUNCTION'\'' for each function';\
 153          echo '   in the C library which is a stub, meaning it will fail';\
 154          echo '   every time called, usually setting errno to ENOSYS.  */';\
 155          LC_ALL=C sort $(subdir-stubs)) > $(objpfx)stubs.h
 156         if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
 157         then echo 'stubs.h unchanged'; \
 158         else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
 159         rm -f $(objpfx)stubs.h
 160 \f
 161 # The `glibcbug' script contains the version number and it shall be rebuild
 162 # whenever this changes or the `glibcbug.in' file.
 163 $(objpfx)glibcbug: $(common-objpfx)config.status glibcbug.in
 164         cd $(<D) && CONFIG_FILES=$(@F) CONFIG_HEADERS= $(SHELL) $(<F)
 165 \f
 166 # This makes the Info or DVI file of the documentation from the Texinfo source.
 167 .PHONY: info dvi pdf html
 168 info dvi pdf html:
 169         $(MAKE) $(PARALLELMFLAGS) -C manual $@
 170 \f
 171 # This makes all the subdirectory targets.
 172
 173 # For each target, make it depend on DIR/target for each subdirectory DIR.
 174 $(+subdir_targets): %: $(addsuffix /%,$(subdirs))
 175
 176 # Compute a list of all those targets.
 177 all-subdirs-targets := $(foreach dir,$(subdirs),\
 178                                  $(addprefix $(dir)/,$(+subdir_targets)))
 179
 180 # The action for each of those is to cd into the directory and make the
 181 # target there.
 182 $(all-subdirs-targets):
 183         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 184
 185 .PHONY: $(+subdir_targets) $(all-subdirs-targets)
 186 \f
 187 # Targets to clean things up to various degrees.
 188
 189 .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \
 190         tests-clean
 191
 192 # Subroutines of all cleaning targets.
 193 parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
 194         -rm -f $(foreach o,$(object-suffixes-for-libc),\
 195                    $(common-objpfx)$(patsubst %,$(libtype$o),c)) \
 196                $(addprefix $(objpfx),$(install-lib))
 197 parent-clean: parent-mostlyclean common-clean
 198
 199 postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
 200             $(addprefix $(objpfx),sysd-dirs sysd-rules) \
 201             $(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i)
 202
 203 clean: parent-clean
 204 # This is done this way rather than having `subdir_clean' be a
 205 # dependency of this target so that libc.a will be removed before the
 206 # subdirectories are dealt with and so they won't try to remove object
 207 # files from it when it's going to be removed anyway.
 208         @$(MAKE) subdir_clean no_deps=t
 209         -rm -f $(postclean)
 210 mostlyclean: parent-mostlyclean
 211         @$(MAKE) subdir_mostlyclean no_deps=t
 212         -rm -f $(postclean)
 213
 214 tests-clean:
 215         @$(MAKE) subdir_testclean no_deps=t
 216
 217 # The realclean target is just like distclean for the parent, but we want
 218 # the subdirs to know the difference in case they care.
 219 realclean distclean: parent-clean
 220 # This is done this way rather than having `subdir_distclean' be a
 221 # dependency of this target so that libc.a will be removed before the
 222 # subdirectories are dealt with and so they won't try to remove object
 223 # files from it when it's going to be removed anyway.
 224         @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
 225                  sysdep-subdirs="$(sysdep-subdirs)"
 226         -rm -f $(postclean)
 227
 228 # Subroutine of distclean and realclean.
 229 distclean-1: subdir_$(distclean-1)
 230         -rm -f $(config-generated)
 231         -rm -f $(addprefix $(objpfx),config.status config.cache config.log)
 232         -rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
 233         -rm -f $(addprefix $(objpfx),glibcbug)
 234 ifdef objdir
 235         -rm -f $(objpfx)Makefile
 236 endif
 237         -rm -f $(sysdep-$(distclean-1))
 238 \f
 239 .PHONY: echo_subdirs
 240 echo_subdirs:;@echo '$(subdirs)'
 241
 242 .PHONY: echo-distinfo parent_echo-distinfo
 243 echo-distinfo: parent_echo-distinfo subdir_echo-distinfo
 244 parent_echo-distinfo:
 245         @echo $(addprefix +header+,$(headers)) \
 246               $(addprefix +nodist+,$(generated))
 247
 248 \f
 249 # Make the distribution tarfile.
 250
 251 distribute  :=  README README.libm INSTALL FAQ FAQ.in NOTES NEWS BUGS   \
 252                 PROJECTS COPYING.LIB COPYING ChangeLog ChangeLog.[0-9]  \
 253                 ChangeLog.1[0-9] Makefile Makeconfig Makerules Rules    \
 254                 Make-dist MakeTAGS extra-lib.mk o-iterator.mk configure \
 255                 configure.in aclocal.m4 config.h.in config.make.in      \
 256                 config-name.in Makefile.in sysdep.h set-hooks.h         \
 257                 libc-symbols.h version.h shlib-versions rpm/Makefile    \
 258                 rpm/template rpm/rpmrc glibcbug.in abi-tags stub-tag.h  \
 259                 test-skeleton.c include/des.h include/libc-internal.h   \
 260                 include/shlib-compat.h include/pthread.h Versions.def   \
 261                 cppflags-iterator.mk INTERFACE CONFORMANCE NAMESPACE    \
 262                 $(addprefix scripts/,                                   \
 263                             rellns-sh config.sub config.guess           \
 264                             mkinstalldirs move-if-change install-sh     \
 265                             test-installation.pl gen-FAQ.pl versions.awk\
 266                             gen-sorted.awk abi-versions.awk             \
 267                             firstversions.awk documented.sh cpp)
 268
 269 distribute := $(strip $(distribute))
 270 generated := $(generated) stubs.h
 271
 272 README: README.template version.h
 273         -rm -f $@
 274         sed -e 's/RELEASE/$(release)/' -e 's/VERSION/$(version)/' < $< > $@
 275 # Make it unwritable so I won't change it by mistake.
 276         chmod 444 $@
 277 ifeq ($(with-cvs),yes)
 278         test ! -d CVS || cvs $(CVSOPTS) commit -m'Remade for $(release)-$(version)' $@
 279 endif
 280
 281 define format-me
 282 @rm -f $@
 283 makeinfo --no-validate --no-warn --no-headers $< -o $@
 284 -chmod a-w $@
 285 endef
 286 INSTALL: manual/install.texi; $(format-me)
 287 NOTES: manual/creature.texi; $(format-me)
 288 manual/dir-add.texi manual/dir-add.info: FORCE
 289         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 290 FAQ: scripts/gen-FAQ.pl FAQ.in
 291         $(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
 292 ifeq ($(with-cvs),yes)
 293         test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated:  $(PERL) $^' $@
 294 endif
 295 FORCE:
 296
 297 rpm/%: subdir_distinfo
 298         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 299
 300 iconvdata/% localedata/% po/%:
 301         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 302
 303 # This is a special goal for people making binary distributions.  Normally
 304 # everybody uses the DES based crypt library but for the distribution we
 305 # need the only-MD5 based one as well.
 306 md5-crypt/libmd5crypt:
 307         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 308
 309 # glibc 2.0 contains some header files which aren't used with glibc 2.1
 310 # anymore.
 311 # These rules should remove those headers
 312 ifeq (,$(install_root))
 313 ifeq ($(old-glibc-headers),yes)
 314 install: remove-old-headers
 315 endif
 316 endif
 317
 318 headers2_0 :=   __math.h bytesex.h confname.h direntry.h elfclass.h     \
 319                 errnos.h fcntlbits.h huge_val.h ioctl-types.h           \
 320                 ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h      \
 321                 mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h           \
 322                 posix2_lim.h posix_opt.h resourcebits.h schedbits.h     \
 323                 selectbits.h semaphorebits.h sigaction.h sigcontext.h   \
 324                 signum.h sigset.h sockaddrcom.h socketbits.h stab.def   \
 325                 statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h          \
 326                 syscall-list.h termbits.h timebits.h ustatbits.h        \
 327                 utmpbits.h utsnamelen.h waitflags.h waitstatus.h        \
 328                 xopen_lim.h gnu/types.h sys/ipc_buf.h                   \
 329                 sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h        \
 330                 sys/shm_buf.h sys/socketcall.h sigstack.h
 331
 332 .PHONY: remove-old-headers
 333 remove-old-headers:
 334         rm -f $(addprefix $(inst_includedir)/, $(headers2_0))