The Design and Implementation of the FreeBSD Operating System, Second Edition
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    1 # Copyright (C) 1991-2002,2003,2004,2005,2006 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 
   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 %/preconfigure: %/preconfigure.in aclocal.m4; $(autoconf-it)
   54 
   55 endif # $(AUTOCONF) = no
   56 
   57 
   58 # We don't want to run anything here in parallel.
   59 .NOTPARALLEL:
   60 
   61 # These are the targets that are made by making them in each subdirectory.
   62 +subdir_targets := subdir_lib objects objs others subdir_mostlyclean    \
   63                    subdir_clean subdir_distclean subdir_realclean       \
   64                    tests xtests subdir_lint.out                         \
   65                    subdir_update-abi subdir_check-abi                   \
   66                    subdir_echo-headers                                  \
   67                    subdir_install                                       \
   68                    subdir_objs subdir_stubs subdir_testclean            \
   69                    $(addprefix install-, no-libc.a bin lib data headers others)
   70 
   71 headers := limits.h values.h features.h gnu-versions.h bits/libc-lock.h \
   72            bits/xopen_lim.h gnu/libc-version.h
   73 
   74 echo-headers: subdir_echo-headers
   75 
   76 # The headers are in the include directory.
   77 subdir-dirs = include
   78 vpath %.h $(subdir-dirs)
   79 
   80 # What to install.
   81 install-others = $(inst_includedir)/gnu/stubs.h
   82 install-bin-script =
   83 
   84 ifeq (yes,$(build-shared))
   85 headers += gnu/lib-names.h
   86 endif
   87 
   88 include Makerules
   89 
   90 ifeq ($(build-programs),yes)
   91 others: $(addprefix $(objpfx),$(install-bin-script))
   92 endif
   93 
   94 # Install from subdirectories too.
   95 install: subdir_install
   96 
   97 # Explicit dependency so that `make install-headers' works
   98 install-headers: install-headers-nosubdir
   99 
  100 # Make sure that the dynamic linker is installed before libc.
  101 $(inst_slibdir)/libc-$(version).so: elf/ldso_install
  102 
  103 .PHONY: elf/ldso_install
  104 elf/ldso_install:
  105         $(MAKE) -C $(@D) $(@F)
  106 
  107 # Create links for shared libraries using the `ldconfig' program if possible.
  108 # Ignore the error if we cannot update /etc/ld.so.cache.
  109 ifeq (no,$(cross-compiling))
  110 ifeq (yes,$(build-shared))
  111 install: install-symbolic-link
  112 .PHONY: install-symbolic-link
  113 install-symbolic-link: subdir_install
  114         $(symbolic-link-prog) $(symbolic-link-list)
  115         rm -f $(symbolic-link-list)
  116 
  117 install:
  118         -test ! -x $(common-objpfx)elf/ldconfig || LC_ALL=C LANGUAGE=C \
  119           $(common-objpfx)elf/ldconfig $(addprefix -r ,$(install_root)) \
  120                                        $(slibdir) $(libdir)
  121 ifneq (no,$(PERL))
  122 ifeq (/usr,$(prefix))
  123 ifeq (,$(install_root))
  124         CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx)
  125 endif
  126 endif
  127 endif
  128 endif
  129 endif
  130 
  131 # Build subdirectory lib objects.
  132 lib-noranlib: subdir_lib
  133 
  134 ifeq (yes,$(build-shared))
  135 # Build the shared object from the PIC object library.
  136 lib: $(common-objpfx)libc.so
  137 endif
  138 
  139 
  140 # This is a handy script for running any dynamically linked program against
  141 # the current libc build for testing.
  142 $(common-objpfx)testrun.sh: $(common-objpfx)config.make \
  143                             $(..)Makeconfig $(..)Makefile
  144         (echo '#!/bin/sh'; \
  145          echo "GCONV_PATH='$(common-objpfx)iconvdata' \\"; \
  146          echo 'exec $(run-program-prefix) $${1+"$$@"}'; \
  147         ) > $@T
  148         chmod a+x $@T
  149         mv -f $@T $@
  150 postclean-generated += testrun.sh
  151 
  152 others: $(common-objpfx)testrun.sh
  153 
  154 # Makerules creates a file `stubs' in each subdirectory, which
  155 # contains `#define __stub_FUNCTION' for each function defined in that
  156 # directory which is a stub.
  157 # Here we paste all of these together into <gnu/stubs.h>.
  158 
  159 subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
  160 
  161 ifeq ($(biarch),no)
  162 installed-stubs = $(inst_includedir)/gnu/stubs.h
  163 else
  164 installed-stubs = $(inst_includedir)/gnu/stubs-$(biarch).h
  165 
  166 $(inst_includedir)/gnu/stubs.h: include/stubs-biarch.h $(+force)
  167         $(make-target-directory)
  168         $(INSTALL_DATA) $< $@
  169 
  170 install-others-nosubdir: $(installed-stubs)
  171 endif
  172 
  173 
  174 # Since stubs.h is never needed when building the library, we simplify the
  175 # hairy installation process by producing it in place only as the last part
  176 # of the top-level `make install'.  It depends on subdir_install, which
  177 # iterates over all the subdirs; subdir_install in each subdir depends on
  178 # the subdir's stubs file.  Having more direct dependencies would result in
  179 # extra iterations over the list for subdirs and many recursive makes.
  180 $(installed-stubs): include/stubs-prologue.h subdir_install
  181         $(make-target-directory)
  182         @rm -f $(objpfx)stubs.h
  183         (sed '/^@/d' $<; LC_ALL=C sort $(subdir-stubs)) > $(objpfx)stubs.h
  184         if test -r $@ && cmp -s $(objpfx)stubs.h $@; \
  185         then echo 'stubs.h unchanged'; \
  186         else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi
  187         rm -f $(objpfx)stubs.h
  188 
  189 # This makes the Info or DVI file of the documentation from the Texinfo source.
  190 .PHONY: info dvi pdf html
  191 info dvi pdf html:
  192         $(MAKE) $(PARALLELMFLAGS) -C manual $@
  193 
  194 # This makes all the subdirectory targets.
  195 
  196 # For each target, make it depend on DIR/target for each subdirectory DIR.
  197 $(+subdir_targets): %: $(addsuffix /%,$(subdirs))
  198 
  199 # Compute a list of all those targets.
  200 all-subdirs-targets := $(foreach dir,$(subdirs),\
  201                                  $(addprefix $(dir)/,$(+subdir_targets)))
  202 
  203 # The action for each of those is to cd into the directory and make the
  204 # target there.
  205 $(all-subdirs-targets):
  206         $(MAKE) $(PARALLELMFLAGS) $(subdir-target-args) $(@F)
  207 
  208 define subdir-target-args
  209 subdir=$(@D)$(if $($(@D)-srcdir),\
  210 -C $($(@D)-srcdir) ..=`pwd`/,\
  211 -C $(@D) ..=../)
  212 endef
  213 
  214 .PHONY: $(+subdir_targets) $(all-subdirs-targets)
  215 
  216 # Targets to clean things up to various degrees.
  217 
  218 .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \
  219         tests-clean
  220 
  221 # Subroutines of all cleaning targets.
  222 parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
  223         -rm -f $(foreach o,$(object-suffixes-for-libc),\
  224                    $(common-objpfx)$(patsubst %,$(libtype$o),c)) \
  225                $(addprefix $(objpfx),$(install-lib))
  226 parent-clean: parent-mostlyclean common-clean
  227 
  228 postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
  229             $(addprefix $(objpfx),sysd-dirs sysd-rules) \
  230             $(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i)
  231 
  232 clean: parent-clean
  233 # This is done this way rather than having `subdir_clean' be a
  234 # dependency of this target so that libc.a will be removed before the
  235 # subdirectories are dealt with and so they won't try to remove object
  236 # files from it when it's going to be removed anyway.
  237         @$(MAKE) subdir_clean no_deps=t
  238         -rm -f $(postclean)
  239 mostlyclean: parent-mostlyclean
  240         @$(MAKE) subdir_mostlyclean no_deps=t
  241         -rm -f $(postclean)
  242 
  243 tests-clean:
  244         @$(MAKE) subdir_testclean no_deps=t
  245 
  246 tests: $(objpfx)c++-types-check.out $(objpfx)check-local-headers.out
  247 ifneq ($(CXX),no)
  248 check-data := $(firstword $(wildcard \
  249                 $(foreach M,$(config-machine) $(base-machine),\
  250                           scripts/data/c++-types-$M-$(config-os).data)))
  251 ifneq (,$(check-data))
  252 $(objpfx)c++-types-check.out: $(check-data) scripts/check-c++-types.sh
  253         scripts/check-c++-types.sh $< $(CXX) $(filter-out -std=gnu99 -Wstrict-prototypes,$(CFLAGS)) $(CPPFLAGS) > $@
  254 else
  255 $(objpfx)c++-types-check.out:
  256         @echo 'WARNING C++ tests not run; create a c++-types-XXX file'
  257         @echo "not run" > $@
  258 endif
  259 endif
  260 
  261 $(objpfx)check-local-headers.out: scripts/check-local-headers.sh
  262         scripts/check-local-headers.sh "$(includedir)" "$(objpfx)" > $@
  263 
  264 ifneq ($(PERL),no)
  265 installed-headers = argp/argp.h assert/assert.h catgets/nl_types.h \
  266                     crypt/crypt.h ctype/ctype.h debug/execinfo.h \
  267                     dirent/dirent.h dlfcn/dlfcn.h elf/elf.h elf/link.h \
  268                     gmon/sys/gmon.h gmon/sys/gmon_out.h gmon/sys/profil.h \
  269                     grp/grp.h iconv/iconv.h iconv/gconv.h \
  270                     $(wildcard inet/netinet/*.h) \
  271                     $(wildcard inet/arpa/*.h inet/protocols/*.h) \
  272                     inet/aliases.h inet/ifaddrs.h inet/netinet/ip6.h \
  273                     inet/netinet/icmp6.h intl/libintl.h io/sys/stat.h \
  274                     io/sys/statfs.h io/sys/vfs.h io/sys/statvfs.h \
  275                     io/fcntl.h io/sys/fcntl.h io/poll.h io/sys/poll.h \
  276                     io/utime.h io/ftw.h io/fts.h io/sys/sendfile.h \
  277                     libio/stdio.h libio/libio.h locale/locale.h \
  278                     locale/langinfo.h locale/xlocale.h login/utmp.h \
  279                     login/lastlog.h login/pty.h malloc/malloc.h \
  280                     malloc/obstack.h malloc/mcheck.h math/math.h \
  281                     math/complex.h math/fenv.h math/tgmath.h misc/sys/uio.h \
  282                     $(wildcard nis/rpcsvc/*.h) nptl_db/thread_db.h \
  283                     nptl/sysdeps/pthread/pthread.h nptl/semaphore.h \
  284                     nss/nss.h posix/sys/utsname.h posix/sys/times.h \
  285                     posix/sys/wait.h posix/sys/types.h posix/unistd.h \
  286                     posix/glob.h posix/regex.h posix/wordexp.h posix/fnmatch.h\
  287                     posix/getopt.h posix/tar.h posix/sys/unistd.h \
  288                     posix/sched.h posix/re_comp.h posix/wait.h \
  289                     posix/cpio.h posix/spawn.h pwd/pwd.h resolv/resolv.h \
  290                     resolv/netdb.h $(wildcard resolv/arpa/*.h) \
  291                     resource/sys/resource.h resource/sys/vlimit.h \
  292                     resource/sys/vtimes.h resource/ulimit.h rt/aio.h \
  293                     rt/mqueue.h setjmp/setjmp.h shadow/shadow.h \
  294                     signal/signal.h signal/sys/signal.h socket/sys/socket.h \
  295                     socket/sys/un.h stdio-common/printf.h \
  296                     stdio-common/stdio_ext.h stdlib/stdlib.h stdlib/alloca.h \
  297                     stdlib/monetary.h stdlib/fmtmsg.h stdlib/ucontext.h \
  298                     sysdeps/generic/inttypes.h sysdeps/generic/stdint.h \
  299                     stdlib/errno.h stdlib/sys/errno.h string/string.h \
  300                     string/strings.h string/memory.h string/endian.h \
  301                     string/argz.h string/envz.h string/byteswap.h \
  302                     $(wildcard sunrpc/rpc/*.h sunrpc/rpcsvc/*.h) \
  303                     sysvipc/sys/ipc.h sysvipc/sys/msg.h sysvipc/sys/sem.h \
  304                     sysvipc/sys/shm.h termios/termios.h \
  305                     termios/sys/termios.h termios/sys/ttychars.h time/time.h \
  306                     time/sys/time.h time/sys/timeb.h wcsmbs/wchar.h \
  307                     wctype/wctype.h
  308 
  309 tests: $(objpfx)begin-end-check.out
  310 $(objpfx)begin-end-check.out: scripts/begin-end-check.pl
  311         $(PERL) scripts/begin-end-check.pl $(installed-headers) > $@
  312 endif
  313 
  314 # The realclean target is just like distclean for the parent, but we want
  315 # the subdirs to know the difference in case they care.
  316 realclean distclean: parent-clean
  317 # This is done this way rather than having `subdir_distclean' be a
  318 # dependency of this target so that libc.a will be removed before the
  319 # subdirectories are dealt with and so they won't try to remove object
  320 # files from it when it's going to be removed anyway.
  321         @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \
  322                  sysdep-subdirs="$(sysdep-subdirs)"
  323         -rm -f $(postclean)
  324 
  325 # Subroutine of distclean and realclean.
  326 distclean-1: subdir_$(distclean-1)
  327         -rm -f $(config-generated)
  328         -rm -f $(addprefix $(objpfx),config.status config.cache config.log)
  329         -rm -f $(addprefix $(objpfx),config.make config-name.h config.h)
  330 ifdef objdir
  331         -rm -f $(objpfx)Makefile
  332 endif
  333         -rm -f $(sysdep-$(distclean-1))
  334 
  335 # Make the TAGS file for Emacs users.
  336 
  337 .PHONY: TAGS
  338 TAGS:
  339         scripts/list-sources.sh | sed -n '/Makefile/p;\
  340           $(foreach S,[chsSyl] cxx sh bash pl,\
  341                     $(subst .,\.,/.$S\(.in\)*$$/p;))' \
  342         | $(ETAGS) -o $@ -
  343 
  344 # Make the distribution tarfile.
  345 .PHONY: dist tag-for-dist
  346 
  347 generated := $(generated) stubs.h
  348 
  349 README: README.template version.h
  350         -rm -f $@
  351         sed -e 's/RELEASE/$(release)/' -e 's/VERSION/$(version)/' < $< > $@
  352 # Make it unwritable so I won't change it by mistake.
  353         chmod 444 $@
  354 ifeq ($(with-cvs),yes)
  355         test ! -d CVS || cvs $(CVSOPTS) commit -m'Remade for $(release)-$(version)' $@
  356 endif
  357 
  358 files-for-dist := README FAQ INSTALL NOTES configure
  359 
  360 tag-of-stem = glibc-$(subst .,_,$*)
  361 dist-selector = -r $(tag-of-stem)
  362 
  363 # Add-ons in the main repository but distributed in their own tar files.
  364 dist-separate = libidn
  365 
  366 glibc-%.tar $(dist-separate:%=glibc-%-%.tar): $(files-for-dist) \
  367                                               $(foreach D,$(dist-separate),\
  368                                                         $D/configure)
  369         @rm -fr glibc-$*
  370         $(MAKE) -q `find sysdeps $(addsuffix /sysdeps,$(sysdeps-add-ons)) \
  371                          -name configure`
  372         cvs $(CVSOPTS) -Q export -d glibc-$* $(dist-selector) libc
  373 # Touch all the configure scripts going into the tarball since cvs export
  374 # might have delivered configure.in newer than configure.
  375         find glibc-$* -name configure -print | xargs touch
  376         $(dist-do-separate-dirs)
  377         tar cf glibc-$*.tar glibc-$*
  378         rm -fr glibc-$*
  379 define dist-do-separate-dirs
  380 $(foreach dir,$(dist-separate),
  381         @rm -fr glibc-$(dir)-$*
  382         mv glibc-$*/$(dir) glibc-$(dir)-$*
  383         tar cf glibc-$(dir)-$*.tar glibc-$(dir)-$*
  384         rm -fr glibc-$(dir)-$*
  385 )
  386 endef
  387 
  388 # Do `make dist dist-version=X.Y.Z' to make tar files of an older version.
  389 dist-version = $(version)
  390 
  391 dist: $(foreach Z,.bz2 .gz,glibc-$(dist-version).tar$Z \
  392                            $(foreach D,$(dist-separate),\
  393                                      glibc-$D-$(dist-version).tar$Z))
  394         md5sum $^
  395 
  396 tag-for-dist: tag-$(dist-version)
  397 tag-%: $(files-for-dist)
  398         cvs $(CVSOPTS) -Q tag -c $(tag-of-stem)
  399 
  400 define format-me
  401 @rm -f $@
  402 makeinfo --no-validate --plaintext --no-number-sections $< -o $@
  403 -chmod a-w $@
  404 endef
  405 INSTALL: manual/install.texi; $(format-me)
  406 NOTES: manual/creature.texi; $(format-me)
  407 manual/dir-add.texi manual/dir-add.info: FORCE
  408         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
  409 FAQ: scripts/gen-FAQ.pl FAQ.in
  410         $(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@
  411 ifeq ($(with-cvs),yes)
  412         test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated:  $(PERL) $^' $@
  413 endif
  414 FORCE:
  415 
  416 iconvdata/% localedata/% po/% manual/%: FORCE
  417         $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
  418 
  419 # glibc 2.0 contains some header files which aren't used with glibc 2.1
  420 # anymore.
  421 # These rules should remove those headers
  422 ifeq (,$(install_root))
  423 ifeq ($(old-glibc-headers),yes)
  424 install: remove-old-headers
  425 endif
  426 endif
  427 
  428 headers2_0 :=   __math.h bytesex.h confname.h direntry.h elfclass.h     \
  429                 errnos.h fcntlbits.h huge_val.h ioctl-types.h           \
  430                 ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h      \
  431                 mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h           \
  432                 posix2_lim.h posix_opt.h resourcebits.h schedbits.h     \
  433                 selectbits.h semaphorebits.h sigaction.h sigcontext.h   \
  434                 signum.h sigset.h sockaddrcom.h socketbits.h stab.def   \
  435                 statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h          \
  436                 syscall-list.h termbits.h timebits.h ustatbits.h        \
  437                 utmpbits.h utsnamelen.h waitflags.h waitstatus.h        \
  438                 xopen_lim.h gnu/types.h sys/ipc_buf.h                   \
  439                 sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h        \
  440                 sys/shm_buf.h sys/socketcall.h sigstack.h
  441 
  442 .PHONY: remove-old-headers
  443 remove-old-headers:
  444         rm -f $(addprefix $(inst_includedir)/, $(headers2_0))

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