code.delx.au - gnu-emacs/blob - lispintro/aclocal.m4

   1 dnl aclocal.m4 generated automatically by aclocal 1.4-p4
   2
   3 dnl Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2002, 2003,
   4 dnl   2004, 2005, 2006 Free Software Foundation, Inc.
   5 dnl This file is free software; the Free Software Foundation
   6 dnl gives unlimited permission to copy and/or distribute it,
   7 dnl with or without modifications, as long as this notice is preserved.
   8
   9 dnl This program is distributed in the hope that it will be useful,
  10 dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  11 dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  12 dnl PARTICULAR PURPOSE.
  13
  14 # Do all the work for Automake.  This macro actually does too much --
  15 # some checks are only needed if your package does certain things.
  16 # But this isn't really a big deal.
  17
  18 # serial 1
  19
  20 dnl Usage:
  21 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
  22
  23 AC_DEFUN(AM_INIT_AUTOMAKE,
  24 [AC_REQUIRE([AC_PROG_INSTALL])
  25 PACKAGE=[$1]
  26 AC_SUBST(PACKAGE)
  27 VERSION=[$2]
  28 AC_SUBST(VERSION)
  29 dnl test to see if srcdir already configured
  30 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
  31   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
  32 fi
  33 ifelse([$3],,
  34 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
  35 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
  36 AC_REQUIRE([AM_SANITY_CHECK])
  37 AC_REQUIRE([AC_ARG_PROGRAM])
  38 dnl FIXME This is truly gross.
  39 missing_dir=`cd $ac_aux_dir && pwd`
  40 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
  41 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
  42 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
  43 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
  44 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
  45 AC_REQUIRE([AC_PROG_MAKE_SET])])
  46
  47 #
  48 # Check to make sure that the build environment is sane.
  49 #
  50
  51 AC_DEFUN(AM_SANITY_CHECK,
  52 [AC_MSG_CHECKING([whether build environment is sane])
  53 # Just in case
  54 sleep 1
  55 echo timestamp > conftestfile
  56 # Do `set' in a subshell so we don't clobber the current shell's
  57 # arguments.  Must try -L first in case configure is actually a
  58 # symlink; some systems play weird games with the mod time of symlinks
  59 # (eg FreeBSD returns the mod time of the symlink's containing
  60 # directory).
  61 if (
  62    set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
  63    if test "[$]*" = "X"; then
  64       # -L didn't work.
  65       set X `ls -t $srcdir/configure conftestfile`
  66    fi
  67    if test "[$]*" != "X $srcdir/configure conftestfile" \
  68       && test "[$]*" != "X conftestfile $srcdir/configure"; then
  69
  70       # If neither matched, then we have a broken ls.  This can happen
  71       # if, for instance, CONFIG_SHELL is bash and it inherits a
  72       # broken ls alias from the environment.  This has actually
  73       # happened.  Such a system could not be considered "sane".
  74       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
  75 alias in your environment])
  76    fi
  77
  78    test "[$]2" = conftestfile
  79    )
  80 then
  81    # Ok.
  82    :
  83 else
  84    AC_MSG_ERROR([newly created file is older than distributed files!
  85 Check your system clock])
  86 fi
  87 rm -f conftest*
  88 AC_MSG_RESULT(yes)])
  89
  90 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
  91 dnl The program must properly implement --version.
  92 AC_DEFUN(AM_MISSING_PROG,
  93 [AC_MSG_CHECKING(for working $2)
  94 # Run test in a subshell; some versions of sh will print an error if
  95 # an executable is not found, even if stderr is redirected.
  96 # Redirect stdin to placate older versions of autoconf.  Sigh.
  97 if ($2 --version) < /dev/null > /dev/null 2>&1; then
  98    $1=$2
  99    AC_MSG_RESULT(found)
 100 else
 101    $1="$3/missing $2"
 102    AC_MSG_RESULT(missing)
 103 fi
 104 AC_SUBST($1)])
 105