Annotation of parser3/aclocal.m4, revision 1.15
1.1 paf 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:
1.15 ! paf 14:
! 15: # serial 40 AC_PROG_LIBTOOL
! 16: AC_DEFUN(AC_PROG_LIBTOOL,
! 17: [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
! 18:
! 19: # Always use rootdir libtool.
! 20: LIBTOOL=paf-dont-use-libtool
! 21: AC_SUBST(LIBTOOL)dnl
! 22: ])
! 23:
! 24: AC_DEFUN(AC_LIBTOOL_SETUP,
! 25: [AC_PREREQ(2.13)dnl
! 26: AC_REQUIRE([AC_ENABLE_SHARED])dnl
! 27: AC_REQUIRE([AC_ENABLE_STATIC])dnl
! 28: AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
! 29: AC_REQUIRE([AC_CANONICAL_HOST])dnl
! 30: AC_REQUIRE([AC_CANONICAL_BUILD])dnl
! 31: AC_REQUIRE([AC_PROG_RANLIB])dnl
! 32: AC_REQUIRE([AC_PROG_CC])dnl
! 33: AC_REQUIRE([AC_PROG_LD])dnl
! 34: AC_REQUIRE([AC_PROG_NM])dnl
! 35: AC_REQUIRE([AC_PROG_LN_S])dnl
! 36: dnl
! 37:
! 38: case "$target" in
! 39: NONE) lt_target="$host" ;;
! 40: *) lt_target="$target" ;;
! 41: esac
! 42:
! 43: # Check for any special flags to pass to ltconfig.
! 44: libtool_flags="--cache-file=$cache_file"
! 45: test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
! 46: test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
! 47: test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
! 48: test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
! 49: test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
! 50: ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
! 51: [libtool_flags="$libtool_flags --enable-dlopen"])
! 52: ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
! 53: [libtool_flags="$libtool_flags --enable-win32-dll"])
! 54: AC_ARG_ENABLE(libtool-lock,
! 55: [ --disable-libtool-lock avoid locking (might break parallel builds)])
! 56: test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
! 57: test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
! 58:
! 59: # Some flags need to be propagated to the compiler or linker for good
! 60: # libtool support.
! 61: case "$lt_target" in
! 62: *-*-irix6*)
! 63: # Find out which ABI we are using.
! 64: echo '[#]line __oline__ "configure"' > conftest.$ac_ext
! 65: if AC_TRY_EVAL(ac_compile); then
! 66: case "`/usr/bin/file conftest.o`" in
! 67: *32-bit*)
! 68: LD="${LD-ld} -32"
! 69: ;;
! 70: *N32*)
! 71: LD="${LD-ld} -n32"
! 72: ;;
! 73: *64-bit*)
! 74: LD="${LD-ld} -64"
! 75: ;;
! 76: esac
! 77: fi
! 78: rm -rf conftest*
! 79: ;;
! 80:
! 81: *-*-sco3.2v5*)
! 82: # On SCO OpenServer 5, we need -belf to get full-featured binaries.
! 83: SAVE_CFLAGS="$CFLAGS"
! 84: CFLAGS="$CFLAGS -belf"
! 85: AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
! 86: [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
! 87: if test x"$lt_cv_cc_needs_belf" != x"yes"; then
! 88: # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
! 89: CFLAGS="$SAVE_CFLAGS"
! 90: fi
! 91: ;;
! 92:
! 93: ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
! 94: [*-*-cygwin* | *-*-mingw*)
! 95: AC_CHECK_TOOL(DLLTOOL, dlltool, false)
! 96: AC_CHECK_TOOL(AS, as, false)
! 97: AC_CHECK_TOOL(OBJDUMP, objdump, false)
! 98: ;;
! 99: ])
! 100: esac
! 101: ])
! 102:
! 103: # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
! 104: AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
! 105:
! 106: # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
! 107: AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
! 108:
! 109: # AC_ENABLE_SHARED - implement the --enable-shared flag
! 110: # Usage: AC_ENABLE_SHARED[(DEFAULT)]
! 111: # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
! 112: # `yes'.
! 113: AC_DEFUN(AC_ENABLE_SHARED, [dnl
! 114: define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
! 115: AC_ARG_ENABLE(shared,
! 116: changequote(<<, >>)dnl
! 117: << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
! 118: changequote([, ])dnl
! 119: [p=${PACKAGE-default}
! 120: case "$enableval" in
! 121: yes) enable_shared=yes ;;
! 122: no) enable_shared=no ;;
! 123: *)
! 124: enable_shared=no
! 125: # Look at the argument we got. We use all the common list separators.
! 126: IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
! 127: for pkg in $enableval; do
! 128: if test "X$pkg" = "X$p"; then
! 129: enable_shared=yes
! 130: fi
! 131: done
! 132: IFS="$ac_save_ifs"
! 133: ;;
! 134: esac],
! 135: enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
! 136: ])
! 137:
! 138: # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
! 139: AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
! 140: AC_ENABLE_SHARED(no)])
! 141:
! 142: # AC_ENABLE_STATIC - implement the --enable-static flag
! 143: # Usage: AC_ENABLE_STATIC[(DEFAULT)]
! 144: # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
! 145: # `yes'.
! 146: AC_DEFUN(AC_ENABLE_STATIC, [dnl
! 147: define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
! 148: AC_ARG_ENABLE(static,
! 149: changequote(<<, >>)dnl
! 150: << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
! 151: changequote([, ])dnl
! 152: [p=${PACKAGE-default}
! 153: case "$enableval" in
! 154: yes) enable_static=yes ;;
! 155: no) enable_static=no ;;
! 156: *)
! 157: enable_static=no
! 158: # Look at the argument we got. We use all the common list separators.
! 159: IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
! 160: for pkg in $enableval; do
! 161: if test "X$pkg" = "X$p"; then
! 162: enable_static=yes
! 163: fi
! 164: done
! 165: IFS="$ac_save_ifs"
! 166: ;;
! 167: esac],
! 168: enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
! 169: ])
! 170:
! 171: # AC_DISABLE_STATIC - set the default static flag to --disable-static
! 172: AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
! 173: AC_ENABLE_STATIC(no)])
! 174:
! 175:
! 176: # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
! 177: # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
! 178: # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
! 179: # `yes'.
! 180: AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
! 181: define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
! 182: AC_ARG_ENABLE(fast-install,
! 183: changequote(<<, >>)dnl
! 184: << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
! 185: changequote([, ])dnl
! 186: [p=${PACKAGE-default}
! 187: case "$enableval" in
! 188: yes) enable_fast_install=yes ;;
! 189: no) enable_fast_install=no ;;
! 190: *)
! 191: enable_fast_install=no
! 192: # Look at the argument we got. We use all the common list separators.
! 193: IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
! 194: for pkg in $enableval; do
! 195: if test "X$pkg" = "X$p"; then
! 196: enable_fast_install=yes
! 197: fi
! 198: done
! 199: IFS="$ac_save_ifs"
! 200: ;;
! 201: esac],
! 202: enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
! 203: ])
! 204:
! 205: # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
! 206: AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
! 207: AC_ENABLE_FAST_INSTALL(no)])
! 208:
! 209: # AC_PROG_LD - find the path to the GNU or non-GNU linker
! 210: AC_DEFUN(AC_PROG_LD,
! 211: [AC_ARG_WITH(gnu-ld,
! 212: [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
! 213: test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
! 214: AC_REQUIRE([AC_PROG_CC])dnl
! 215: AC_REQUIRE([AC_CANONICAL_HOST])dnl
! 216: AC_REQUIRE([AC_CANONICAL_BUILD])dnl
! 217: ac_prog=ld
! 218: if test "$ac_cv_prog_gcc" = yes; then
! 219: # Check if gcc -print-prog-name=ld gives a path.
! 220: AC_MSG_CHECKING([for ld used by GCC])
! 221: ac_prog=`($CC -print-prog-name=ld) 2>&5`
! 222: case "$ac_prog" in
! 223: # Accept absolute paths.
! 224: changequote(,)dnl
! 225: [\\/]* | [A-Za-z]:[\\/]*)
! 226: re_direlt='/[^/][^/]*/\.\./'
! 227: changequote([,])dnl
! 228: # Canonicalize the path of ld
! 229: ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
! 230: while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
! 231: ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
! 232: done
! 233: test -z "$LD" && LD="$ac_prog"
! 234: ;;
! 235: "")
! 236: # If it fails, then pretend we aren't using GCC.
! 237: ac_prog=ld
! 238: ;;
! 239: *)
! 240: # If it is relative, then search for the first ld in PATH.
! 241: with_gnu_ld=unknown
! 242: ;;
! 243: esac
! 244: elif test "$with_gnu_ld" = yes; then
! 245: AC_MSG_CHECKING([for GNU ld])
! 246: else
! 247: AC_MSG_CHECKING([for non-GNU ld])
! 248: fi
! 249: AC_CACHE_VAL(ac_cv_path_LD,
! 250: [if test -z "$LD"; then
! 251: IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
! 252: for ac_dir in $PATH; do
! 253: test -z "$ac_dir" && ac_dir=.
! 254: if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
! 255: ac_cv_path_LD="$ac_dir/$ac_prog"
! 256: # Check to see if the program is GNU ld. I'd rather use --version,
! 257: # but apparently some GNU ld's only accept -v.
! 258: # Break only if it was the GNU/non-GNU ld that we prefer.
! 259: if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
! 260: test "$with_gnu_ld" != no && break
! 261: else
! 262: test "$with_gnu_ld" != yes && break
! 263: fi
! 264: fi
! 265: done
! 266: IFS="$ac_save_ifs"
! 267: else
! 268: ac_cv_path_LD="$LD" # Let the user override the test with a path.
! 269: fi])
! 270: LD="$ac_cv_path_LD"
! 271: if test -n "$LD"; then
! 272: AC_MSG_RESULT($LD)
! 273: else
! 274: AC_MSG_RESULT(no)
! 275: fi
! 276: test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
! 277: AC_PROG_LD_GNU
! 278: ])
! 279:
! 280: AC_DEFUN(AC_PROG_LD_GNU,
! 281: [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
! 282: [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
! 283: if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
! 284: ac_cv_prog_gnu_ld=yes
! 285: else
! 286: ac_cv_prog_gnu_ld=no
! 287: fi])
! 288: ])
! 289:
! 290: # AC_PROG_NM - find the path to a BSD-compatible name lister
! 291: AC_DEFUN(AC_PROG_NM,
! 292: [AC_MSG_CHECKING([for BSD-compatible nm])
! 293: AC_CACHE_VAL(ac_cv_path_NM,
! 294: [if test -n "$NM"; then
! 295: # Let the user override the test.
! 296: ac_cv_path_NM="$NM"
! 297: else
! 298: IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
! 299: for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
! 300: test -z "$ac_dir" && ac_dir=.
! 301: if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
! 302: # Check to see if the nm accepts a BSD-compat flag.
! 303: # Adding the `sed 1q' prevents false positives on HP-UX, which says:
! 304: # nm: unknown option "B" ignored
! 305: if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
! 306: ac_cv_path_NM="$ac_dir/nm -B"
! 307: break
! 308: elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
! 309: ac_cv_path_NM="$ac_dir/nm -p"
! 310: break
! 311: else
! 312: ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
! 313: continue # so that we can try to find one that supports BSD flags
! 314: fi
! 315: fi
! 316: done
! 317: IFS="$ac_save_ifs"
! 318: test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
! 319: fi])
! 320: NM="$ac_cv_path_NM"
! 321: AC_MSG_RESULT([$NM])
! 322: ])
! 323:
! 324: # AC_CHECK_LIBM - check for math library
! 325: AC_DEFUN(AC_CHECK_LIBM,
! 326: [AC_REQUIRE([AC_CANONICAL_HOST])dnl
! 327: LIBM=
! 328: case "$lt_target" in
! 329: *-*-beos* | *-*-cygwin*)
! 330: # These system don't have libm
! 331: ;;
! 332: *-ncr-sysv4.3*)
! 333: AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
! 334: AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
! 335: ;;
! 336: *)
! 337: AC_CHECK_LIB(m, main, LIBM="-lm")
! 338: ;;
! 339: esac
! 340: ])
! 341:
1.1 paf 342: # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
343: # the libltdl convenience library and INCLTDL to the include flags for
344: # the libltdl header and adds --enable-ltdl-convenience to the
345: # configure arguments. Note that LIBLTDL and INCLTDL are not
346: # AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not
347: # provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed
348: # with '${top_builddir}/' and INCLTDL will be prefixed with
349: # '${top_srcdir}/' (note the single quotes!). If your package is not
350: # flat and you're not using automake, define top_builddir and
351: # top_srcdir appropriately in the Makefiles.
352: AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
1.15 ! paf 353: case "$enable_ltdl_convenience" in
! 354: no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
! 355: "") enable_ltdl_convenience=yes
! 356: ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
! 357: esac
1.2 paf 358: LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.a
1.1 paf 359: INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
360: ])
1.15 ! paf 361:
! 362: # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
! 363: # the libltdl installable library and INCLTDL to the include flags for
! 364: # the libltdl header and adds --enable-ltdl-install to the configure
! 365: # arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
! 366: # AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed
! 367: # libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will
! 368: # be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
! 369: # with '${top_srcdir}/' (note the single quotes!). If your package is
! 370: # not flat and you're not using automake, define top_builddir and
! 371: # top_srcdir appropriately in the Makefiles.
! 372: # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
! 373: AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
! 374: AC_CHECK_LIB(ltdl, main,
! 375: [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
! 376: [if test x"$enable_ltdl_install" = xno; then
! 377: AC_MSG_WARN([libltdl not installed, but installation disabled])
! 378: else
! 379: enable_ltdl_install=yes
! 380: fi
! 381: ])
! 382: if test x"$enable_ltdl_install" = x"yes"; then
! 383: ac_configure_args="$ac_configure_args --enable-ltdl-install"
! 384: LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
! 385: INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
! 386: else
! 387: ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
! 388: LIBLTDL="-lltdl"
! 389: INCLTDL=
! 390: fi
! 391: ])
! 392:
! 393: dnl old names
! 394: AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
! 395: AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
! 396: AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
! 397: AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
! 398: AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
! 399: AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
! 400: AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
! 401:
! 402: dnl This is just to silence aclocal about the macro not being used
! 403: ifelse([AC_DISABLE_FAST_INSTALL])dnl
1.1 paf 404:
405: # Do all the work for Automake. This macro actually does too much --
406: # some checks are only needed if your package does certain things.
407: # But this isn't really a big deal.
408:
409: # serial 1
410:
411: dnl Usage:
412: dnl AM_INIT_AUTOMAKE(package,version, [no-define])
413:
414: AC_DEFUN(AM_INIT_AUTOMAKE,
415: [AC_REQUIRE([AC_PROG_INSTALL])
416: PACKAGE=[$1]
417: AC_SUBST(PACKAGE)
418: VERSION=[$2]
419: AC_SUBST(VERSION)
420: dnl test to see if srcdir already configured
421: if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
422: AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
423: fi
424: ifelse([$3],,
425: AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
426: AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
427: AC_REQUIRE([AM_SANITY_CHECK])
428: AC_REQUIRE([AC_ARG_PROGRAM])
429: dnl FIXME This is truly gross.
430: missing_dir=`cd $ac_aux_dir && pwd`
431: AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
432: AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
433: AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
434: AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
435: AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
436: AC_REQUIRE([AC_PROG_MAKE_SET])])
437:
438: #
439: # Check to make sure that the build environment is sane.
440: #
441:
442: AC_DEFUN(AM_SANITY_CHECK,
443: [AC_MSG_CHECKING([whether build environment is sane])
444: # Just in case
445: sleep 1
446: echo timestamp > conftestfile
447: # Do `set' in a subshell so we don't clobber the current shell's
448: # arguments. Must try -L first in case configure is actually a
449: # symlink; some systems play weird games with the mod time of symlinks
450: # (eg FreeBSD returns the mod time of the symlink's containing
451: # directory).
452: if (
453: set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
454: if test "[$]*" = "X"; then
455: # -L didn't work.
456: set X `ls -t $srcdir/configure conftestfile`
457: fi
458: if test "[$]*" != "X $srcdir/configure conftestfile" \
459: && test "[$]*" != "X conftestfile $srcdir/configure"; then
460:
461: # If neither matched, then we have a broken ls. This can happen
462: # if, for instance, CONFIG_SHELL is bash and it inherits a
463: # broken ls alias from the environment. This has actually
464: # happened. Such a system could not be considered "sane".
465: AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
466: alias in your environment])
467: fi
468:
469: test "[$]2" = conftestfile
470: )
471: then
472: # Ok.
473: :
474: else
475: AC_MSG_ERROR([newly created file is older than distributed files!
476: Check your system clock])
477: fi
478: rm -f conftest*
479: AC_MSG_RESULT(yes)])
480:
481: dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
482: dnl The program must properly implement --version.
483: AC_DEFUN(AM_MISSING_PROG,
484: [AC_MSG_CHECKING(for working $2)
485: # Run test in a subshell; some versions of sh will print an error if
486: # an executable is not found, even if stderr is redirected.
487: # Redirect stdin to placate older versions of autoconf. Sigh.
488: if ($2 --version) < /dev/null > /dev/null 2>&1; then
489: $1=$2
490: AC_MSG_RESULT(found)
491: else
492: $1="$3/missing $2"
493: AC_MSG_RESULT(missing)
494: fi
495: AC_SUBST($1)])
496:
497: # Define a conditional.
498:
499: AC_DEFUN(AM_CONDITIONAL,
500: [AC_SUBST($1_TRUE)
501: AC_SUBST($1_FALSE)
502: if $2; then
503: $1_TRUE=
504: $1_FALSE='#'
505: else
506: $1_TRUE='#'
507: $1_FALSE=
508: fi])
509:
510: # Like AC_CONFIG_HEADER, but automatically create stamp file.
511:
512: AC_DEFUN(AM_CONFIG_HEADER,
513: [AC_PREREQ([2.12])
514: AC_CONFIG_HEADER([$1])
515: dnl When config.status generates a header, we must update the stamp-h file.
516: dnl This file resides in the same directory as the config header
517: dnl that is generated. We must strip everything past the first ":",
518: dnl and everything past the last "/".
519: AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
520: ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
521: <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
522: <<am_indx=1
523: for am_file in <<$1>>; do
524: case " <<$>>CONFIG_HEADERS " in
525: *" <<$>>am_file "*<<)>>
526: echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
527: ;;
528: esac
529: am_indx=`expr "<<$>>am_indx" + 1`
530: done<<>>dnl>>)
531: changequote([,]))])
532:
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