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