c3-lang/libffi/m4/ax_enable_builddir.m4

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  Commit

• Hash : 8bad679a
  Author :
  Date : 2013-01-02T08:28:35
  

  New stand-alone patch

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• m4/ax_enable_builddir.m4

• # ===========================================================================
  #    http://www.gnu.org/software/autoconf-archive/ax_enable_builddir.html
  # ===========================================================================
  #
  # SYNOPSIS
  #
  #   AX_ENABLE_BUILDDIR [(dirstring-or-command [,Makefile.mk [,-all]])]
  #
  # DESCRIPTION
  #
  #   If the current configure was run within the srcdir then we move all
  #   configure-files into a subdir and let the configure steps continue
  #   there. We provide an option --disable-builddir to suppress the move into
  #   a separate builddir.
  #
  #   Defaults:
  #
  #     $1 = $host (overridden with $HOST)
  #     $2 = Makefile.mk
  #     $3 = -all
  #
  #   This macro must be called before AM_INIT_AUTOMAKE. It creates a default
  #   toplevel srcdir Makefile from the information found in the created
  #   toplevel builddir Makefile. It just copies the variables and
  #   rule-targets, each extended with a default rule-execution that recurses
  #   into the build directory of the current "HOST". You can override the
  #   auto-dection through `config.guess` and build-time of course, as in
  #
  #     make HOST=i386-mingw-cross
  #
  #   which can of course set at configure time as well using
  #
  #     configure --host=i386-mingw-cross
  #
  #   After the default has been created, additional rules can be appended
  #   that will not just recurse into the subdirectories and only ever exist
  #   in the srcdir toplevel makefile - these parts are read from the $2 =
  #   Makefile.mk file
  #
  #   The automatic rules are usually scanning the toplevel Makefile for lines
  #   like '#### $host |$builddir' to recognize the place where to recurse
  #   into. Usually, the last one is the only one used. However, almost all
  #   targets have an additional "*-all" rule which makes the script to
  #   recurse into _all_ variants of the current HOST (!!) setting. The "-all"
  #   suffix can be overriden for the macro as well.
  #
  #   a special rule is only given for things like "dist" that will copy the
  #   tarball from the builddir to the sourcedir (or $(PUB)) for reason of
  #   convenience.
  #
  # LICENSE
  #
  #   Copyright (c) 2009 Guido U. Draheim <guidod@gmx.de>
  #   Copyright (c) 2009 Alan Jenkins <alan-jenkins@tuffmail.co.uk>
  #
  #   This program is free software; you can redistribute it and/or modify it
  #   under the terms of the GNU General Public License as published by the
  #   Free Software Foundation; either version 3 of the License, or (at your
  #   option) any later version.
  #
  #   This program is distributed in the hope that it will be useful, but
  #   WITHOUT ANY WARRANTY; without even the implied warranty of
  #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
  #   Public License for more details.
  #
  #   You should have received a copy of the GNU General Public License along
  #   with this program. If not, see <http://www.gnu.org/licenses/>.
  #
  #   As a special exception, the respective Autoconf Macro's copyright owner
  #   gives unlimited permission to copy, distribute and modify the configure
  #   scripts that are the output of Autoconf when processing the Macro. You
  #   need not follow the terms of the GNU General Public License when using
  #   or distributing such scripts, even though portions of the text of the
  #   Macro appear in them. The GNU General Public License (GPL) does govern
  #   all other use of the material that constitutes the Autoconf Macro.
  #
  #   This special exception to the GPL applies to versions of the Autoconf
  #   Macro released by the Autoconf Archive. When you make and distribute a
  #   modified version of the Autoconf Macro, you may extend this special
  #   exception to the GPL to apply to your modified version as well.
  
  #serial 23
  
  AC_DEFUN([AX_ENABLE_BUILDDIR],[
  AC_REQUIRE([AC_CANONICAL_HOST])[]dnl
  AC_REQUIRE([AX_CONFIGURE_ARGS])[]dnl
  AC_REQUIRE([AM_AUX_DIR_EXPAND])[]dnl
  AC_BEFORE([$0],[AM_INIT_AUTOMAKE])dnl
  AS_VAR_PUSHDEF([SUB],[ax_enable_builddir])dnl
  AS_VAR_PUSHDEF([AUX],[ax_enable_builddir_auxdir])dnl
  AS_VAR_PUSHDEF([SED],[ax_enable_builddir_sed])dnl
  SUB="."
  AC_ARG_ENABLE([builddir], AS_HELP_STRING(
    [--disable-builddir],[disable automatic build in subdir of sources])
    ,[SUB="$enableval"], [SUB="auto"])
  if test ".$ac_srcdir_defaulted" != ".no" ; then
  if test ".$srcdir" = ".." ; then
    if test -f config.status ; then
      AC_MSG_NOTICE(toplevel srcdir already configured... skipping subdir build)
    else
      test ".$SUB" = "."  && SUB="."
      test ".$SUB" = ".no"  && SUB="."
      test ".$TARGET" = "." && TARGET="$target"
      test ".$SUB" = ".auto" && SUB="m4_ifval([$1], [$1],[$TARGET])"
      if test ".$SUB" != ".." ; then    # we know where to go and
        AS_MKDIR_P([$SUB])
        echo __.$SUB.__ > $SUB/conftest.tmp
        cd $SUB
        if grep __.$SUB.__ conftest.tmp >/dev/null 2>/dev/null ; then
          rm conftest.tmp
          AC_MSG_RESULT([continue configure in default builddir "./$SUB"])
        else
          AC_MSG_ERROR([could not change to default builddir "./$SUB"])
        fi
        srcdir=`echo "$SUB" |
                sed -e 's,^\./,,;s,[[^/]]$,&/,;s,[[^/]]*/,../,g;s,[[/]]$,,;'`
        # going to restart from subdirectory location
        test -f $srcdir/config.log   && mv $srcdir/config.log   .
        test -f $srcdir/confdefs.h   && mv $srcdir/confdefs.h   .
        test -f $srcdir/conftest.log && mv $srcdir/conftest.log .
        test -f $srcdir/$cache_file  && mv $srcdir/$cache_file  .
        AC_MSG_RESULT(....exec $SHELL $srcdir/[$]0 "--srcdir=$srcdir" "--enable-builddir=$SUB" ${1+"[$]@"})
        case "[$]0" in # restart
         [/\\]*) eval $SHELL "'[$]0'" "'--srcdir=$srcdir'" "'--enable-builddir=$SUB'" $ac_configure_args ;;
         *) eval $SHELL "'$srcdir/[$]0'" "'--srcdir=$srcdir'" "'--enable-builddir=$SUB'" $ac_configure_args ;;
        esac ; exit $?
      fi
    fi
  fi fi
  test ".$SUB" = ".auto" && SUB="."
  dnl ac_path_prog uses "set dummy" to override $@ which would defeat the "exec"
  AC_PATH_PROG(SED,gsed sed, sed)
  AUX="$am_aux_dir"
  AS_VAR_POPDEF([SED])dnl
  AS_VAR_POPDEF([AUX])dnl
  AS_VAR_POPDEF([SUB])dnl
  AC_CONFIG_COMMANDS([buildir],[dnl .............. config.status ..............
  AS_VAR_PUSHDEF([SUB],[ax_enable_builddir])dnl
  AS_VAR_PUSHDEF([TOP],[top_srcdir])dnl
  AS_VAR_PUSHDEF([SRC],[ac_top_srcdir])dnl
  AS_VAR_PUSHDEF([AUX],[ax_enable_builddir_auxdir])dnl
  AS_VAR_PUSHDEF([SED],[ax_enable_builddir_sed])dnl
  pushdef([END],[Makefile.mk])dnl
  pushdef([_ALL],[ifelse([$3],,[-all],[$3])])dnl
    SRC="$ax_enable_builddir_srcdir"
    if test ".$SUB" = ".." ; then
      if test -f "$TOP/Makefile" ; then
        AC_MSG_NOTICE([skipping TOP/Makefile - left untouched])
      else
        AC_MSG_NOTICE([skipping TOP/Makefile - not created])
      fi
    else
      if test -f "$SRC/Makefile" ; then
        a=`grep "^VERSION " "$SRC/Makefile"` ; b=`grep "^VERSION " Makefile`
        test "$a" != "$b" && rm "$SRC/Makefile"
      fi
      if test -f "$SRC/Makefile" ; then
  	echo "$SRC/Makefile : $SRC/Makefile.in" > $tmp/conftemp.mk
  	echo "	[]@ echo 'REMOVED,,,' >\$[]@" >> $tmp/conftemp.mk
        eval "${MAKE-make} -f $tmp/conftemp.mk 2>/dev/null >/dev/null"
        if grep '^REMOVED,,,' "$SRC/Makefile" >/dev/null
        then rm $SRC/Makefile ; fi
        cp $tmp/conftemp.mk $SRC/makefiles.mk~      ## DEBUGGING
      fi
      if test ! -f "$SRC/Makefile" ; then
        AC_MSG_NOTICE([create TOP/Makefile guessed from local Makefile])
        x='`' ; cat >$tmp/conftemp.sed <<_EOF
  /^\$/n
  x
  /^\$/bS
  x
  /\\\\\$/{H;d;}
  {H;s/.*//;x;}
  bM
  :S
  x
  /\\\\\$/{h;d;}
  {h;s/.*//;x;}
  :M
  s/\\(\\n\\)	/\\1 /g
  /^	/d
  /^[[	 ]]*[[\\#]]/d
  /^VPATH *=/d
  s/^srcdir *=.*/srcdir = ./
  s/^top_srcdir *=.*/top_srcdir = ./
  /[[:=]]/!d
  /^\\./d
  dnl Now handle rules (i.e. lines containing ":" but not " = ").
  / = /b
  / .= /b
  /:/!b
  s/:.*/:/
  s/ /  /g
  s/ \\([[a-z]][[a-z-]]*[[a-zA-Z0-9]]\\)\\([[ :]]\\)/ \\1 \\1[]_ALL\\2/g
  s/^\\([[a-z]][[a-z-]]*[[a-zA-Z0-9]]\\)\\([[ :]]\\)/\\1 \\1[]_ALL\\2/
  s/  / /g
  /^all all[]_ALL[[ :]]/i\\
  all-configured : all[]_ALL
  dnl dist-all exists... and would make for dist-all-all
  s/ [[a-zA-Z0-9-]]*[]_ALL [[a-zA-Z0-9-]]*[]_ALL[]_ALL//g
  /[]_ALL[]_ALL/d
  a\\
  	@ HOST="\$(HOST)\" \\\\\\
  	; test ".\$\$HOST" = "." && HOST=$x sh $AUX/config.guess $x \\\\\\
  	; BUILD=$x grep "^#### \$\$HOST " Makefile | sed -e 's/.*|//' $x \\\\\\
  	; use=$x basename "\$\@" _ALL $x; n=$x echo \$\$BUILD | wc -w $x \\\\\\
  	; echo "MAKE \$\$HOST : \$\$n * \$\@"; if test "\$\$n" -eq "0" ; then : \\\\\\
  	; BUILD=$x grep "^####.*|" Makefile |tail -1| sed -e 's/.*|//' $x ; fi \\\\\\
  	; test ".\$\$BUILD" = "." && BUILD="." \\\\\\
  	; test "\$\$use" = "\$\@" && BUILD=$x echo "\$\$BUILD" | tail -1 $x \\\\\\
  	; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
  	; (cd "\$\$i" && test ! -f configure && \$(MAKE) \$\$use) || exit; done
  dnl special rule add-on: "dist" copies the tarball to $(PUB). (source tree)
  /dist[]_ALL *:/a\\
  	@ HOST="\$(HOST)\" \\\\\\
  	; test ".\$\$HOST" = "." && HOST=$x sh $AUX/config.guess $x \\\\\\
  	; BUILD=$x grep "^#### \$\$HOST " Makefile | sed -e 's/.*|//' $x \\\\\\
  	; found=$x echo \$\$BUILD | wc -w $x \\\\\\
  	; echo "MAKE \$\$HOST : \$\$found \$(PACKAGE)-\$(VERSION).tar.*" \\\\\\
  	; if test "\$\$found" -eq "0" ; then : \\\\\\
  	; BUILD=$x grep "^#### .*|" Makefile |tail -1| sed -e 's/.*|//' $x \\\\\\
  	; fi ; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
  	; for f in \$\$i/\$(PACKAGE)-\$(VERSION).tar.* \\\\\\
  	; do test -f "\$\$f" && mv "\$\$f" \$(PUB). ; done ; break ; done
  dnl special rule add-on: "dist-foo" copies all the archives to $(PUB). (source tree)
  /dist-[[a-zA-Z0-9]]*[]_ALL *:/a\\
  	@ HOST="\$(HOST)\" \\\\\\
  	; test ".\$\$HOST" = "." && HOST=$x sh ./config.guess $x \\\\\\
  	; BUILD=$x grep "^#### \$\$HOST " Makefile | sed -e 's/.*|//' $x \\\\\\
  	; found=$x echo \$\$BUILD | wc -w $x \\\\\\
  	; echo "MAKE \$\$HOST : \$\$found \$(PACKAGE)-\$(VERSION).*" \\\\\\
  	; if test "\$\$found" -eq "0" ; then : \\\\\\
  	; BUILD=$x grep "^#### .*|" Makefile |tail -1| sed -e 's/.*|//' $x \\\\\\
  	; fi ; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
  	; for f in \$\$i/\$(PACKAGE)-\$(VERSION).* \\\\\\
  	; do test -f "\$\$f" && mv "\$\$f" \$(PUB). ; done ; break ; done
  dnl special rule add-on: "distclean" removes all local builddirs completely
  /distclean[]_ALL *:/a\\
  	@ HOST="\$(HOST)\" \\\\\\
  	; test ".\$\$HOST" = "." && HOST=$x sh $AUX/config.guess $x \\\\\\
  	; BUILD=$x grep "^#### .*|" Makefile | sed -e 's/.*|//' $x \\\\\\
  	; use=$x basename "\$\@" _ALL $x; n=$x echo \$\$BUILD | wc -w $x \\\\\\
  	; echo "MAKE \$\$HOST : \$\$n * \$\@ (all local builds)" \\\\\\
  	; test ".\$\$BUILD" = "." && BUILD="." \\\\\\
  	; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
  	; echo "# rm -r \$\$i"; done ; echo "# (sleep 3)" ; sleep 3 \\\\\\
  	; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
  	; echo "\$\$i" | grep "^/" > /dev/null && continue \\\\\\
  	; echo "\$\$i" | grep "^../" > /dev/null && continue \\\\\\
  	; echo "rm -r \$\$i"; (rm -r "\$\$i") ; done ; rm Makefile
  _EOF
        cp "$tmp/conftemp.sed" "$SRC/makefile.sed~"            ## DEBUGGING
        $SED -f $tmp/conftemp.sed Makefile >$SRC/Makefile
        if test -f "$SRC/m4_ifval([$2],[$2],[END])" ; then
          AC_MSG_NOTICE([extend TOP/Makefile with TOP/m4_ifval([$2],[$2],[END])])
          cat $SRC/END >>$SRC/Makefile
        fi ; xxxx="####"
        echo "$xxxx CONFIGURATIONS FOR TOPLEVEL MAKEFILE: " >>$SRC/Makefile
        # sanity check
        if grep '^; echo "MAKE ' $SRC/Makefile >/dev/null ; then
          AC_MSG_NOTICE([buggy sed found - it deletes tab in "a" text parts])
          $SED -e '/^@ HOST=/s/^/	/' -e '/^; /s/^/	/' $SRC/Makefile \
            >$SRC/Makefile~
          (test -s $SRC/Makefile~ && mv $SRC/Makefile~ $SRC/Makefile) 2>/dev/null
        fi
      else
        xxxx="\\#\\#\\#\\#"
        # echo "/^$xxxx *$ax_enable_builddir_host /d" >$tmp/conftemp.sed
        echo "s!^$xxxx [[^|]]* | *$SUB *\$!$xxxx ...... $SUB!" >$tmp/conftemp.sed
        $SED -f "$tmp/conftemp.sed" "$SRC/Makefile" >$tmp/mkfile.tmp
          cp "$tmp/conftemp.sed" "$SRC/makefiles.sed~"         ## DEBUGGING
          cp "$tmp/mkfile.tmp"   "$SRC/makefiles.out~"         ## DEBUGGING
        if cmp -s "$SRC/Makefile" "$tmp/mkfile.tmp" 2>/dev/null ; then
          AC_MSG_NOTICE([keeping TOP/Makefile from earlier configure])
          rm "$tmp/mkfile.tmp"
        else
          AC_MSG_NOTICE([reusing TOP/Makefile from earlier configure])
          mv "$tmp/mkfile.tmp" "$SRC/Makefile"
        fi
      fi
      AC_MSG_NOTICE([build in $SUB (HOST=$ax_enable_builddir_host)])
      xxxx="####"
      echo "$xxxx" "$ax_enable_builddir_host" "|$SUB" >>$SRC/Makefile
    fi
  popdef([END])dnl
  AS_VAR_POPDEF([SED])dnl
  AS_VAR_POPDEF([AUX])dnl
  AS_VAR_POPDEF([SRC])dnl
  AS_VAR_POPDEF([TOP])dnl
  AS_VAR_POPDEF([SUB])dnl
  ],[dnl
  ax_enable_builddir_srcdir="$srcdir"                    # $srcdir
  ax_enable_builddir_host="$HOST"                        # $HOST / $host
  ax_enable_builddir_version="$VERSION"                  # $VERSION
  ax_enable_builddir_package="$PACKAGE"                  # $PACKAGE
  ax_enable_builddir_auxdir="$ax_enable_builddir_auxdir" # $AUX
  ax_enable_builddir_sed="$ax_enable_builddir_sed"       # $SED
  ax_enable_builddir="$ax_enable_builddir"               # $SUB
  ])dnl
  ])
  

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