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
 134
 135 # This is a handy script for running any dynamically linked program against
 136 # the current libc build for testing.
 137 $(common-objpfx)testrun.sh: $(common-objpfx)config.make \
 138                             $(..)Makeconfig $(..)Makefile
 139         (echo '#!/bin/sh'; \
 140          echo "GCONV_PATH='$(common-objpfx)iconvdata' \\"; \
 141          echo 'exec $(run-program-prefix) $${1+"$$@"}'; \
 142         ) > $@T
 143         chmod a+x $@T
 144         mv -f $@T $@
 145 postclean-generated += testrun.sh
 146
 147 others: $(common-objpfx)testrun.sh
 148 \f
 149 # Makerules creates a file `stubs' in each subdirectory, which
 150 # contains `#define __stub_FUNCTION' for each function defined in that
 151 # directory which is a stub.
 152 # Here we paste all of these together into <gnu/stubs.h>.
 153
 154 subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
 155
 156 # Since stubs.h is never needed when building the library, we simplify the
 157 # hairy installation process by producing it in place only as the last part
 158 # of the top-level `make install'.  It depends on subdir_install, which
 159 # iterates over all the subdirs; subdir_install in each subdir depends on
 160 # the subdir's stubs file.  Having more direct dependencies would result in
 161 # extra iterations over the list for subdirs and many recursive makes.
 162 $(inst_includedir)/gnu/stubs.h: subdir_install
 163         $(make-target-directory)
 164         @rm -f $(objpfx)stubs.h
 165         (echo '/* This file is automatically generated.';\
 166          echo '   It defines a symbol `__stub_FUNCTION'\'' for each function';\
 167          echo '   in the C library which is a stub, meaning it will fail';\
 168          echo '   every time called, usually setting errno to ENOSYS.  */';\
 169          LC_ALL=C sort $(subdir-stubs)) > $(objpfx)stubs.h
 170         if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
 171         then echo 'stubs.h unchanged'; \
 172         else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
 173         rm -f $(objpfx)stubs.h
 174 \f
 175 # The `glibcbug' script contains the version number and it shall be rebuild
 176 # whenever this changes or the `glibcbug.in' file.
 177 $(objpfx)glibcbug: $(common-objpfx)config.status glibcbug.in
 178         cd $(<D) && CONFIG_FILES=$(@F) CONFIG_HEADERS= $(SHELL) $(<F)
 179 \f
 180 # This makes the Info or DVI file of the documentation from the Texinfo source.
 181 .PHONY: info dvi pdf html
 182 info dvi pdf html:
 183         $(MAKE) $(PARALLELMFLAGS) -C manual $@
 184 \f
 185 # This makes all the subdirectory targets.
 186
 187 # For each target, make it depend on DIR/target for each subdirectory DIR.
 188 $(+subdir_targets): %: $(addsuffix /%,$(subdirs))
 189
 190 # Compute a list of all those targets.
 191 all-subdirs-targets := $(foreach dir,$(subdirs),\
 192                                  $(addprefix $(dir)/,$(+subdir_targets)))
 193
 194 # The action for each of those is to cd into the directory and make the
 195 # target there.
 196 $(all-subdirs-targets):
 197         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 198
 199 .PHONY: $(+subdir_targets) $(all-subdirs-targets)
 200 \f
 201 # Targets to clean things up to various degrees.
 202
 203 .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \
 204         tests-clean
 205
 206 # Subroutines of all cleaning targets.
 207 parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
 208         -rm -f $(foreach o,$(object-suffixes-for-libc),\
 209                    $(common-objpfx)$(patsubst %,$(libtype$o),c)) \
 210                $(addprefix $(objpfx),$(install-lib))
 211 parent-clean: parent-mostlyclean common-clean
 212
 213 postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
 214             $(addprefix $(objpfx),sysd-dirs sysd-rules) \
 215             $(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i)
 216
 217 clean: parent-clean
 218 # This is done this way rather than having `subdir_clean' be a
 219 # dependency of this target so that libc.a will be removed before the
 220 # subdirectories are dealt with and so they won't try to remove object
 221 # files from it when it's going to be removed anyway.
 222         @$(MAKE) subdir_clean no_deps=t
 223         -rm -f $(postclean)
 224 mostlyclean: parent-mostlyclean
 225         @$(MAKE) subdir_mostlyclean no_deps=t
 226         -rm -f $(postclean)
 227
 228 tests-clean:
 229         @$(MAKE) subdir_testclean no_deps=t
 230
 231 # The realclean target is just like distclean for the parent, but we want
 232 # the subdirs to know the difference in case they care.
 233 realclean distclean: parent-clean
 234 # This is done this way rather than having `subdir_distclean' 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         @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
 239                  sysdep-subdirs="$(sysdep-subdirs)"
 240         -rm -f $(postclean)
 241
 242 # Subroutine of distclean and realclean.
 243 distclean-1: subdir_$(distclean-1)
 244         -rm -f $(config-generated)
 245         -rm -f $(addprefix $(objpfx),config.status config.cache config.log)
 246         -rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
 247         -rm -f $(addprefix $(objpfx),glibcbug)
 248 ifdef objdir
 249         -rm -f $(objpfx)Makefile
 250 endif
 251         -rm -f $(sysdep-$(distclean-1))
 252 \f
 253 .PHONY: echo_subdirs
 254 echo_subdirs:;@echo '$(subdirs)'
 255
 256 .PHONY: echo-distinfo parent_echo-distinfo
 257 echo-distinfo: parent_echo-distinfo subdir_echo-distinfo
 258 parent_echo-distinfo:
 259         @echo $(addprefix +header+,$(headers)) \
 260               $(addprefix +nodist+,$(generated))
 261
 262 \f
 263 # Make the distribution tarfile.
 264
 265 distribute  :=  README README.libm INSTALL FAQ FAQ.in NOTES NEWS BUGS   \
 266                 PROJECTS COPYING.LIB COPYING ChangeLog ChangeLog.[0-9]  \
 267                 ChangeLog.1[0-9] Makefile Makeconfig Makerules Rules    \
 268                 Make-dist MakeTAGS extra-lib.mk o-iterator.mk configure \
 269                 configure.in aclocal.m4 config.h.in config.make.in      \
 270                 config-name.in Makefile.in sysdep.h set-hooks.h         \
 271                 libc-symbols.h version.h shlib-versions rpm/Makefile    \
 272                 rpm/template rpm/rpmrc glibcbug.in abi-tags stub-tag.h  \
 273                 test-skeleton.c include/des.h include/libc-internal.h   \
 274                 include/shlib-compat.h include/pthread.h Versions.def   \
 275                 cppflags-iterator.mk INTERFACE CONFORMANCE NAMESPACE    \
 276                 LICENSES                                                \
 277                 $(addprefix scripts/,                                   \
 278                             rellns-sh config.sub config.guess           \
 279                             mkinstalldirs move-if-change install-sh     \
 280                             test-installation.pl gen-FAQ.pl versions.awk\
 281                             gen-sorted.awk abi-versions.awk             \
 282                             firstversions.awk documented.sh cpp)
 283
 284 distribute := $(strip $(distribute))
 285 generated := $(generated) stubs.h
 286
 287 README: README.template version.h
 288         -rm -f $@
 289         sed -e 's/RELEASE/$(release)/' -e 's/VERSION/$(version)/' < $< > $@
 290 # Make it unwritable so I won't change it by mistake.
 291         chmod 444 $@
 292 ifeq ($(with-cvs),yes)
 293         test ! -d CVS || cvs $(CVSOPTS) commit -m'Remade for $(release)-$(version)' $@
 294 endif
 295
 296 define format-me
 297 @rm -f $@
 298 makeinfo --no-validate --no-warn --no-headers $< -o $@
 299 -chmod a-w $@
 300 endef
 301 INSTALL: manual/install.texi; $(format-me)
 302 NOTES: manual/creature.texi; $(format-me)
 303 manual/dir-add.texi manual/dir-add.info: FORCE
 304         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 305 FAQ: scripts/gen-FAQ.pl FAQ.in
 306         $(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
 307 ifeq ($(with-cvs),yes)
 308         test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated:  $(PERL) $^' $@
 309 endif
 310 FORCE:
 311
 312 rpm/%: subdir_distinfo
 313         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 314
 315 iconvdata/% localedata/% po/% manual/%:
 316         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 317
 318 # This is a special goal for people making binary distributions.  Normally
 319 # everybody uses the DES based crypt library but for the distribution we
 320 # need the only-MD5 based one as well.
 321 md5-crypt/libmd5crypt:
 322         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 323
 324 # glibc 2.0 contains some header files which aren't used with glibc 2.1
 325 # anymore.
 326 # These rules should remove those headers
 327 ifeq (,$(install_root))
 328 ifeq ($(old-glibc-headers),yes)
 329 install: remove-old-headers
 330 endif
 331 endif
 332
 333 headers2_0 :=   __math.h bytesex.h confname.h direntry.h elfclass.h     \
 334                 errnos.h fcntlbits.h huge_val.h ioctl-types.h           \
 335                 ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h      \
 336                 mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h           \
 337                 posix2_lim.h posix_opt.h resourcebits.h schedbits.h     \
 338                 selectbits.h semaphorebits.h sigaction.h sigcontext.h   \
 339                 signum.h sigset.h sockaddrcom.h socketbits.h stab.def   \
 340                 statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h          \
 341                 syscall-list.h termbits.h timebits.h ustatbits.h        \
 342                 utmpbits.h utsnamelen.h waitflags.h waitstatus.h        \
 343                 xopen_lim.h gnu/types.h sys/ipc_buf.h                   \
 344                 sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h        \
 345                 sys/shm_buf.h sys/socketcall.h sigstack.h
 346
 347 .PHONY: remove-old-headers
 348 remove-old-headers:
 349         rm -f $(addprefix $(inst_includedir)/, $(headers2_0))