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Annotation of generator/aclocal.m4, revision 1.1

1.1     ! root        1: dnl aclocal.m4 generated automatically by aclocal 1.4
        !             2: 
        !             3: dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
        !             4: dnl This file is free software; the Free Software Foundation
        !             5: dnl gives unlimited permission to copy and/or distribute it,
        !             6: dnl with or without modifications, as long as this notice is preserved.
        !             7: 
        !             8: dnl This program is distributed in the hope that it will be useful,
        !             9: dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
        !            10: dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
        !            11: dnl PARTICULAR PURPOSE.
        !            12: 
        !            13: # Do all the work for Automake.  This macro actually does too much --
        !            14: # some checks are only needed if your package does certain things.
        !            15: # But this isn't really a big deal.
        !            16: 
        !            17: # serial 1
        !            18: 
        !            19: dnl Usage:
        !            20: dnl AM_INIT_AUTOMAKE(package,version, [no-define])
        !            21: 
        !            22: AC_DEFUN(AM_INIT_AUTOMAKE,
        !            23: [AC_REQUIRE([AC_PROG_INSTALL])
        !            24: PACKAGE=[$1]
        !            25: AC_SUBST(PACKAGE)
        !            26: VERSION=[$2]
        !            27: AC_SUBST(VERSION)
        !            28: dnl test to see if srcdir already configured
        !            29: if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
        !            30:   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
        !            31: fi
        !            32: ifelse([$3],,
        !            33: AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
        !            34: AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
        !            35: AC_REQUIRE([AM_SANITY_CHECK])
        !            36: AC_REQUIRE([AC_ARG_PROGRAM])
        !            37: dnl FIXME This is truly gross.
        !            38: missing_dir=`cd $ac_aux_dir && pwd`
        !            39: AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
        !            40: AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
        !            41: AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
        !            42: AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
        !            43: AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
        !            44: AC_REQUIRE([AC_PROG_MAKE_SET])])
        !            45: 
        !            46: #
        !            47: # Check to make sure that the build environment is sane.
        !            48: #
        !            49: 
        !            50: AC_DEFUN(AM_SANITY_CHECK,
        !            51: [AC_MSG_CHECKING([whether build environment is sane])
        !            52: # Just in case
        !            53: sleep 1
        !            54: echo timestamp > conftestfile
        !            55: # Do `set' in a subshell so we don't clobber the current shell's
        !            56: # arguments.  Must try -L first in case configure is actually a
        !            57: # symlink; some systems play weird games with the mod time of symlinks
        !            58: # (eg FreeBSD returns the mod time of the symlink's containing
        !            59: # directory).
        !            60: if (
        !            61:    set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
        !            62:    if test "[$]*" = "X"; then
        !            63:       # -L didn't work.
        !            64:       set X `ls -t $srcdir/configure conftestfile`
        !            65:    fi
        !            66:    if test "[$]*" != "X $srcdir/configure conftestfile" \
        !            67:       && test "[$]*" != "X conftestfile $srcdir/configure"; then
        !            68: 
        !            69:       # If neither matched, then we have a broken ls.  This can happen
        !            70:       # if, for instance, CONFIG_SHELL is bash and it inherits a
        !            71:       # broken ls alias from the environment.  This has actually
        !            72:       # happened.  Such a system could not be considered "sane".
        !            73:       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
        !            74: alias in your environment])
        !            75:    fi
        !            76: 
        !            77:    test "[$]2" = conftestfile
        !            78:    )
        !            79: then
        !            80:    # Ok.
        !            81:    :
        !            82: else
        !            83:    AC_MSG_ERROR([newly created file is older than distributed files!
        !            84: Check your system clock])
        !            85: fi
        !            86: rm -f conftest*
        !            87: AC_MSG_RESULT(yes)])
        !            88: 
        !            89: dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
        !            90: dnl The program must properly implement --version.
        !            91: AC_DEFUN(AM_MISSING_PROG,
        !            92: [AC_MSG_CHECKING(for working $2)
        !            93: # Run test in a subshell; some versions of sh will print an error if
        !            94: # an executable is not found, even if stderr is redirected.
        !            95: # Redirect stdin to placate older versions of autoconf.  Sigh.
        !            96: if ($2 --version) < /dev/null > /dev/null 2>&1; then
        !            97:    $1=$2
        !            98:    AC_MSG_RESULT(found)
        !            99: else
        !           100:    $1="$3/missing $2"
        !           101:    AC_MSG_RESULT(missing)
        !           102: fi
        !           103: AC_SUBST($1)])
        !           104: 
        !           105: # Like AC_CONFIG_HEADER, but automatically create stamp file.
        !           106: 
        !           107: AC_DEFUN(AM_CONFIG_HEADER,
        !           108: [AC_PREREQ([2.12])
        !           109: AC_CONFIG_HEADER([$1])
        !           110: dnl When config.status generates a header, we must update the stamp-h file.
        !           111: dnl This file resides in the same directory as the config header
        !           112: dnl that is generated.  We must strip everything past the first ":",
        !           113: dnl and everything past the last "/".
        !           114: AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
        !           115: ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
        !           116: <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
        !           117: <<am_indx=1
        !           118: for am_file in <<$1>>; do
        !           119:   case " <<$>>CONFIG_HEADERS " in
        !           120:   *" <<$>>am_file "*<<)>>
        !           121:     echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
        !           122:     ;;
        !           123:   esac
        !           124:   am_indx=`expr "<<$>>am_indx" + 1`
        !           125: done<<>>dnl>>)
        !           126: changequote([,]))])
        !           127: 

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