Makefile

   1 # Copyright (C) 1991-2002, 2003, 2004, 2005 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 ifneq ($(AUTOCONF),no)
  34
  35 ifeq ($(with-cvs),yes)
  36 define autoconf-it-cvs
  37 test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
  38 endef
  39 else
  40 autoconf-it-cvs =
  41 endif
  42
  43 define autoconf-it
  44 @-rm -f $@.new
  45 $(AUTOCONF) $(ACFLAGS) $< > $@.new
  46 chmod a-w,a+x $@.new
  47 mv -f $@.new $@
  48 $(autoconf-it-cvs)
  49 endef
  50
  51 configure: configure.in aclocal.m4; $(autoconf-it)
  52 %/configure: %/configure.in aclocal.m4; $(autoconf-it)
  53
  54 endif # $(AUTOCONF) = no
  55
  56
  57 # We don't want to run anything here in parallel.
  58 .NOTPARALLEL:
  59
  60 # These are the targets that are made by making them in each subdirectory.
  61 +subdir_targets := subdir_lib objects objs others subdir_mostlyclean    \
  62                    subdir_clean subdir_distclean subdir_realclean       \
  63                    tests xtests subdir_lint.out                         \
  64                    subdir_update-abi subdir_check-abi                   \
  65                    subdir_echo-headers                                  \
  66                    subdir_install                                       \
  67                    subdir_objs subdir_stubs subdir_testclean            \
  68                    $(addprefix install-, no-libc.a bin lib data headers others)
  69 \f
  70 headers := limits.h values.h features.h gnu-versions.h bits/libc-lock.h \
  71            bits/xopen_lim.h gnu/libc-version.h
  72
  73 echo-headers: subdir_echo-headers
  74
  75 # The headers are in the include directory.
  76 subdir-dirs = include
  77 vpath %.h $(subdir-dirs)
  78
  79 # What to install.
  80 install-others = $(inst_includedir)/gnu/stubs.h
  81 install-bin-script =
  82
  83 ifeq (yes,$(build-shared))
  84 headers += gnu/lib-names.h
  85 endif
  86
  87 include Makerules
  88
  89 ifeq ($(build-programs),yes)
  90 others: $(addprefix $(objpfx),$(install-bin-script))
  91 endif
  92
  93 # Install from subdirectories too.
  94 install: subdir_install
  95
  96 # Explicit dependency so that `make install-headers' works
  97 install-headers: install-headers-nosubdir
  98
  99 # Make sure that the dynamic linker is installed before libc.
 100 $(inst_slibdir)/libc-$(version).so: elf/ldso_install
 101
 102 .PHONY: elf/ldso_install
 103 elf/ldso_install:
 104         $(MAKE) -C $(@D) $(@F)
 105
 106 # Create links for shared libraries using the `ldconfig' program if possible.
 107 # Ignore the error if we cannot update /etc/ld.so.cache.
 108 ifeq (no,$(cross-compiling))
 109 ifeq (yes,$(build-shared))
 110 install: install-symbolic-link
 111 .PHONY: install-symbolic-link
 112 install-symbolic-link: subdir_install
 113         $(symbolic-link-prog) $(symbolic-link-list)
 114         rm -f $(symbolic-link-list)
 115
 116 install:
 117         -test ! -x $(common-objpfx)elf/ldconfig || LC_ALL=C LANGUAGE=C \
 118           $(common-objpfx)elf/ldconfig $(addprefix -r ,$(install_root)) \
 119                                        $(slibdir) $(libdir)
 120 ifneq (no,$(PERL))
 121 ifeq (/usr,$(prefix))
 122 ifeq (,$(install_root))
 123         CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx)
 124 endif
 125 endif
 126 endif
 127 endif
 128 endif
 129
 130 # Build subdirectory lib objects.
 131 lib-noranlib: subdir_lib
 132
 133 ifeq (yes,$(build-shared))
 134 # Build the shared object from the PIC object library.
 135 lib: $(common-objpfx)libc.so
 136 endif
 137
 138
 139 # This is a handy script for running any dynamically linked program against
 140 # the current libc build for testing.
 141 $(common-objpfx)testrun.sh: $(common-objpfx)config.make \
 142                             $(..)Makeconfig $(..)Makefile
 143         (echo '#!/bin/sh'; \
 144          echo "GCONV_PATH='$(common-objpfx)iconvdata' \\"; \
 145          echo 'exec $(run-program-prefix) $${1+"$$@"}'; \
 146         ) > $@T
 147         chmod a+x $@T
 148         mv -f $@T $@
 149 postclean-generated += testrun.sh
 150
 151 others: $(common-objpfx)testrun.sh
 152 \f
 153 # Makerules creates a file `stubs' in each subdirectory, which
 154 # contains `#define __stub_FUNCTION' for each function defined in that
 155 # directory which is a stub.
 156 # Here we paste all of these together into <gnu/stubs.h>.
 157
 158 subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
 159
 160 ifeq ($(biarch),no)
 161 installed-stubs = $(inst_includedir)/gnu/stubs.h
 162 else
 163 installed-stubs = $(inst_includedir)/gnu/stubs-$(biarch).h
 164
 165 $(inst_includedir)/gnu/stubs.h: include/stubs-biarch.h $(+force)
 166         $(INSTALL_DATA) $< $@
 167
 168 install-others-nosubdir: $(installed-stubs)
 169 endif
 170
 171
 172 # Since stubs.h is never needed when building the library, we simplify the
 173 # hairy installation process by producing it in place only as the last part
 174 # of the top-level `make install'.  It depends on subdir_install, which
 175 # iterates over all the subdirs; subdir_install in each subdir depends on
 176 # the subdir's stubs file.  Having more direct dependencies would result in
 177 # extra iterations over the list for subdirs and many recursive makes.
 178 $(installed-stubs): include/stubs-prologue.h subdir_install
 179         $(make-target-directory)
 180         @rm -f $(objpfx)stubs.h
 181         (sed '/^@/d' $<; LC_ALL=C sort $(subdir-stubs)) > $(objpfx)stubs.h
 182         if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
 183         then echo 'stubs.h unchanged'; \
 184         else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
 185         rm -f $(objpfx)stubs.h
 186 \f
 187 # This makes the Info or DVI file of the documentation from the Texinfo source.
 188 .PHONY: info dvi pdf html
 189 info dvi pdf html:
 190         $(MAKE) $(PARALLELMFLAGS) -C manual $@
 191 \f
 192 # This makes all the subdirectory targets.
 193
 194 # For each target, make it depend on DIR/target for each subdirectory DIR.
 195 $(+subdir_targets): %: $(addsuffix /%,$(subdirs))
 196
 197 # Compute a list of all those targets.
 198 all-subdirs-targets := $(foreach dir,$(subdirs),\
 199                                  $(addprefix $(dir)/,$(+subdir_targets)))
 200
 201 # The action for each of those is to cd into the directory and make the
 202 # target there.
 203 $(all-subdirs-targets):
 204         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 205
 206 .PHONY: $(+subdir_targets) $(all-subdirs-targets)
 207 \f
 208 # Targets to clean things up to various degrees.
 209
 210 .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \
 211         tests-clean
 212
 213 # Subroutines of all cleaning targets.
 214 parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
 215         -rm -f $(foreach o,$(object-suffixes-for-libc),\
 216                    $(common-objpfx)$(patsubst %,$(libtype$o),c)) \
 217                $(addprefix $(objpfx),$(install-lib))
 218 parent-clean: parent-mostlyclean common-clean
 219
 220 postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
 221             $(addprefix $(objpfx),sysd-dirs sysd-rules) \
 222             $(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i)
 223
 224 clean: parent-clean
 225 # This is done this way rather than having `subdir_clean' be a
 226 # dependency of this target so that libc.a will be removed before the
 227 # subdirectories are dealt with and so they won't try to remove object
 228 # files from it when it's going to be removed anyway.
 229         @$(MAKE) subdir_clean no_deps=t
 230         -rm -f $(postclean)
 231 mostlyclean: parent-mostlyclean
 232         @$(MAKE) subdir_mostlyclean no_deps=t
 233         -rm -f $(postclean)
 234
 235 tests-clean:
 236         @$(MAKE) subdir_testclean no_deps=t
 237
 238 tests: $(objpfx)c++-types-check.out
 239 ifneq ($(CXX),no)
 240 check-data := $(firstword $(wildcard \
 241                 $(foreach M,$(config-machine) $(base-machine),\
 242                           scripts/data/c++-types-$M-$(config-os).data)))
 243 ifneq (,$(check-data))
 244 $(objpfx)c++-types-check.out: $(check-data)
 245         scripts/check-c++-types.sh $^ $(CXX) $(filter-out -std=gnu99 -Wstrict-prototypes,$(CFLAGS)) $(CPPFLAGS) > $@
 246 else
 247 $(objpfx)c++-types-check.out:
 248         @echo 'WARNING C++ tests not run; create a c++-types-XXX file'
 249         @echo "not run" > $@
 250 endif
 251 endif
 252
 253 # The realclean target is just like distclean for the parent, but we want
 254 # the subdirs to know the difference in case they care.
 255 realclean distclean: parent-clean
 256 # This is done this way rather than having `subdir_distclean' be a
 257 # dependency of this target so that libc.a will be removed before the
 258 # subdirectories are dealt with and so they won't try to remove object
 259 # files from it when it's going to be removed anyway.
 260         @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
 261                  sysdep-subdirs="$(sysdep-subdirs)"
 262         -rm -f $(postclean)
 263
 264 # Subroutine of distclean and realclean.
 265 distclean-1: subdir_$(distclean-1)
 266         -rm -f $(config-generated)
 267         -rm -f $(addprefix $(objpfx),config.status config.cache config.log)
 268         -rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
 269 ifdef objdir
 270         -rm -f $(objpfx)Makefile
 271 endif
 272         -rm -f $(sysdep-$(distclean-1))
 273 \f
 274 # Make the distribution tarfile.
 275 .PHONY: dist tag-for-dist
 276
 277 generated := $(generated) stubs.h
 278
 279 README: README.template version.h
 280         -rm -f $@
 281         sed -e 's/RELEASE/$(release)/' -e 's/VERSION/$(version)/' < $< > $@
 282 # Make it unwritable so I won't change it by mistake.
 283         chmod 444 $@
 284 ifeq ($(with-cvs),yes)
 285         test ! -d CVS || cvs $(CVSOPTS) commit -m'Remade for $(release)-$(version)' $@
 286 endif
 287
 288 files-for-dist := README FAQ INSTALL NOTES configure
 289
 290 tag-of-stem = glibc-$(subst .,_,$*)
 291
 292 # Add-ons in the main repository but distributed in their own tar files.
 293 dist-separate = libidn linuxthreads
 294
 295 # Directories in each add-on.
 296 dist-separate-libidn = libidn
 297 dist-separate-linuxthreads = linuxthreads linuxthreads_db
 298
 299 glibc-%.tar $(dist-separate:%=glibc-%-%.tar): $(files-for-dist) \
 300                                               $(foreach D,$(dist-separate),\
 301                                                         $D/configure)
 302         @rm -fr glibc-$*
 303         $(MAKE) -q `find sysdeps $(addsuffix /sysdeps,$(add-ons)) \
 304                          -name configure`
 305         cvs $(CVSOPTS) -Q export -d glibc-$* -r $(tag-of-stem) libc
 306 # Touch all the configure scripts going into the tarball since cvs export
 307 # might have delivered configure.in newer than configure.
 308         find glibc-$* -name configure -print | xargs touch
 309         $(dist-do-separate-dirs)
 310         tar cf glibc-$*.tar glibc-$*
 311         rm -fr glibc-$*
 312 define dist-do-separate-dirs
 313 $(foreach dir,$(dist-separate),
 314         tar cf glibc-$(dir)-$*.tar -C glibc-$* $(dist-separate-$(dir))
 315         rm -rf $(addprefix glibc-$*/,$(dist-separate-$(dir)))
 316 )
 317 endef
 318
 319 # Do `make dist dist-version=X.Y.Z' to make tar files of an older version.
 320 dist-version = $(version)
 321
 322 dist: $(foreach Z,.bz2 .gz,glibc-$(dist-version).tar$Z \
 323                            $(foreach D,$(dist-separate),\
 324                                      glibc-$D-$(dist-version).tar$Z))
 325         md5sum $^
 326
 327 tag-for-dist: tag-$(dist-version)
 328 tag-%: $(files-for-dist)
 329         cvs $(CVSOPTS) -Q tag -c $(tag-of-stem)
 330
 331 define format-me
 332 @rm -f $@
 333 makeinfo --no-validate --no-warn --no-headers $< -o $@
 334 -chmod a-w $@
 335 endef
 336 INSTALL: manual/install.texi; $(format-me)
 337 NOTES: manual/creature.texi; $(format-me)
 338 manual/dir-add.texi manual/dir-add.info: FORCE
 339         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 340 FAQ: scripts/gen-FAQ.pl FAQ.in
 341         $(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
 342 ifeq ($(with-cvs),yes)
 343         test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated:  $(PERL) $^' $@
 344 endif
 345 FORCE:
 346
 347 iconvdata/% localedata/% po/% manual/%:
 348         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
 349
 350 # glibc 2.0 contains some header files which aren't used with glibc 2.1
 351 # anymore.
 352 # These rules should remove those headers
 353 ifeq (,$(install_root))
 354 ifeq ($(old-glibc-headers),yes)
 355 install: remove-old-headers
 356 endif
 357 endif
 358
 359 headers2_0 :=   __math.h bytesex.h confname.h direntry.h elfclass.h     \
 360                 errnos.h fcntlbits.h huge_val.h ioctl-types.h           \
 361                 ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h      \
 362                 mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h           \
 363                 posix2_lim.h posix_opt.h resourcebits.h schedbits.h     \
 364                 selectbits.h semaphorebits.h sigaction.h sigcontext.h   \
 365                 signum.h sigset.h sockaddrcom.h socketbits.h stab.def   \
 366                 statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h          \
 367                 syscall-list.h termbits.h timebits.h ustatbits.h        \
 368                 utmpbits.h utsnamelen.h waitflags.h waitstatus.h        \
 369                 xopen_lim.h gnu/types.h sys/ipc_buf.h                   \
 370                 sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h        \
 371                 sys/shm_buf.h sys/socketcall.h sigstack.h
 372
 373 .PHONY: remove-old-headers
 374 remove-old-headers:
 375         rm -f $(addprefix $(inst_includedir)/, $(headers2_0))