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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, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. # serial 2 # _AM_MANGLE_OPTION(NAME) # ----------------------- AC_DEFUN([_AM_MANGLE_OPTION], [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])]) # _AM_SET_OPTION(NAME) # ------------------------------ # Set option NAME. Presently that only means defining a flag for this option. AC_DEFUN([_AM_SET_OPTION], [m4_define(_AM_MANGLE_OPTION([$1]), 1)]) # _AM_SET_OPTIONS(OPTIONS) # ---------------------------------- # OPTIONS is a space-separated list of Automake options. AC_DEFUN([_AM_SET_OPTIONS], [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])]) # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET]) # ------------------------------------------- # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. AC_DEFUN([_AM_IF_OPTION], [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])]) dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not) dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page dnl also defines GSTUFF_PKG_ERRORS on error AC_DEFUN([PKG_CHECK_MODULES], [ succeeded=no if test -z "$PKG_CONFIG"; then AC_PATH_PROG(PKG_CONFIG, pkg-config, no) fi if test "$PKG_CONFIG" = "no" ; then echo "*** The pkg-config script could not be found. 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You need version $PKG_CONFIG_MIN_VERSION or newer." echo "*** See http://www.freedesktop.org/software/pkgconfig" fi fi if test $succeeded = yes; then ifelse([$3], , :, [$3]) else ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4]) fi ]) # # Check to make sure that the build environment is sane. # # Copyright (C) 1996, 1997, 2000, 2001, 2003 Free Software Foundation, Inc. # 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 2, 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, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. # serial 3 # AM_SANITY_CHECK # --------------- AC_DEFUN([AM_SANITY_CHECK], [AC_MSG_CHECKING([whether build environment is sane]) # Just in case sleep 1 echo timestamp > conftest.file # Do `set' in a subshell so we don't clobber the current shell's # arguments. Must try -L first in case configure is actually a # symlink; some systems play weird games with the mod time of symlinks # (eg FreeBSD returns the mod time of the symlink's containing # directory). if ( set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null` if test "$[*]" = "X"; then # -L didn't work. set X `ls -t $srcdir/configure conftest.file` fi rm -f conftest.file if test "$[*]" != "X $srcdir/configure conftest.file" \ && test "$[*]" != "X conftest.file $srcdir/configure"; then # If neither matched, then we have a broken ls. This can happen # if, for instance, CONFIG_SHELL is bash and it inherits a # broken ls alias from the environment. This has actually # happened. Such a system could not be considered "sane". AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken alias in your environment]) fi test "$[2]" = conftest.file ) then # Ok. : else AC_MSG_ERROR([newly created file is older than distributed files! Check your system clock]) fi AC_MSG_RESULT(yes)]) # AM_PROG_INSTALL_STRIP # Copyright (C) 2001, 2003 Free Software Foundation, Inc. # 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 2, 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, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. # One issue with vendor `install' (even GNU) is that you can't # specify the program used to strip binaries. This is especially # annoying in cross-compiling environments, where the build's strip # is unlikely to handle the host's binaries. # Fortunately install-sh will honor a STRIPPROG variable, so we # always use install-sh in `make install-strip', and initialize # STRIPPROG with the value of the STRIP variable (set by the user). AC_DEFUN([AM_PROG_INSTALL_STRIP], [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl # Installed binaries are usually stripped using `strip' when the user # run `make install-strip'. However `strip' might not be the right # tool to use in cross-compilation environments, therefore Automake # will honor the `STRIP' environment variable to overrule this program. dnl Don't test for $cross_compiling = yes, because it might be `maybe'. if test "$cross_compiling" != no; then AC_CHECK_TOOL([STRIP], [strip], :) fi INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s" AC_SUBST([INSTALL_STRIP_PROGRAM])]) #serial AM1 dnl From Bruno Haible. AC_DEFUN([AM_LANGINFO_CODESET], [ AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset, [AC_TRY_LINK([#include ], [char* cs = nl_langinfo(CODESET);], am_cv_langinfo_codeset=yes, am_cv_langinfo_codeset=no) ]) if test $am_cv_langinfo_codeset = yes; then AC_DEFINE(HAVE_LANGINFO_CODESET, 1, [Define if you have and nl_langinfo(CODESET).]) fi ]) # Macro to add for using GNU gettext. # Ulrich Drepper , 1995. # # This file can be copied and used freely without restrictions. It can # be used in projects which are not available under the GNU Public License # but which still want to provide support for the GNU gettext functionality. # Please note that the actual code is *not* freely available. # serial 9 dnl Usage: AM_WITH_NLS([TOOLSYMBOL], [NEEDSYMBOL], [LIBDIR]). dnl If TOOLSYMBOL is specified and is 'use-libtool', then a libtool library dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static, dnl depending on --{enable,disable}-{shared,static} and on the presence of dnl AM-DISABLE-SHARED). Otherwise, a static library dnl $(top_builddir)/intl/libintl.a will be created. dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext dnl implementations (in libc or libintl) without the ngettext() function dnl will be ignored. dnl LIBDIR is used to find the intl libraries. If empty, dnl the value `$(top_builddir)/intl/' is used. dnl dnl The result of the configuration is one of three cases: dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled dnl and used. dnl Catalog format: GNU --> install in $(datadir) dnl Catalog extension: .mo after installation, .gmo in source tree dnl 2) GNU gettext has been found in the system's C library. dnl Catalog format: GNU --> install in $(datadir) dnl Catalog extension: .mo after installation, .gmo in source tree dnl 3) No internationalization, always use English msgid. dnl Catalog format: none dnl Catalog extension: none dnl The use of .gmo is historical (it was needed to avoid overwriting the dnl GNU format catalogs when building on a platform with an X/Open gettext), dnl but we keep it in order not to force irrelevant filename changes on the dnl maintainers. dnl AC_DEFUN([AM_WITH_NLS], [AC_MSG_CHECKING([whether NLS is requested]) dnl Default is enabled NLS AC_ARG_ENABLE(nls, [ --disable-nls do not use Native Language Support], USE_NLS=$enableval, USE_NLS=yes) AC_MSG_RESULT($USE_NLS) AC_SUBST(USE_NLS) BUILD_INCLUDED_LIBINTL=no USE_INCLUDED_LIBINTL=no dnl If we use NLS figure out what method if test "$USE_NLS" = "yes"; then AC_DEFINE(ENABLE_NLS, 1, [Define to 1 if translation of program messages to the user's native language is requested.]) AC_MSG_CHECKING([whether included gettext is requested]) AC_ARG_WITH(included-gettext, [ --with-included-gettext use the GNU gettext library included here], nls_cv_force_use_gnu_gettext=$withval, nls_cv_force_use_gnu_gettext=no) AC_MSG_RESULT($nls_cv_force_use_gnu_gettext) nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext" if test "$nls_cv_force_use_gnu_gettext" != "yes"; then dnl User does not insist on using GNU NLS library. Figure out what dnl to use. If GNU gettext is available we use this. Else we have dnl to fall back to GNU NLS library. CATOBJEXT=NONE dnl Add a version number to the cache macros. define(gt_cv_func_gnugettext_libc, [gt_cv_func_gnugettext]ifelse([$2], need-ngettext, 2, 1)[_libc]) define(gt_cv_func_gnugettext_libintl, [gt_cv_func_gnugettext]ifelse([$2], need-ngettext, 2, 1)[_libintl]) AC_CHECK_HEADER(libintl.h, [AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc, [AC_TRY_LINK([#include extern int _nl_msg_cat_cntr;], [bindtextdomain ("", ""); return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr], gt_cv_func_gnugettext_libc=yes, gt_cv_func_gnugettext_libc=no)]) if test "$gt_cv_func_gnugettext_libc" != "yes"; then AC_CACHE_CHECK([for GNU gettext in libintl], gt_cv_func_gnugettext_libintl, [gt_save_LIBS="$LIBS" LIBS="$LIBS -lintl" AC_TRY_LINK([#include extern int _nl_msg_cat_cntr;], [bindtextdomain ("", ""); return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr], gt_cv_func_gnugettext_libintl=yes, gt_cv_func_gnugettext_libintl=no) LIBS="$gt_save_LIBS"]) fi if test "$gt_cv_func_gnugettext_libc" = "yes" \ || test "$gt_cv_func_gnugettext_libintl" = "yes"; then AC_DEFINE(HAVE_GETTEXT, 1, [Define if the GNU gettext() function is already present or preinstalled.]) AC_CHECK_FUNCS(dcgettext) AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl if test "$MSGFMT" != "no"; then AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) fi AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :) CATOBJEXT=.gmo if test "$gt_cv_func_gnugettext_libintl" = "yes"; then INTLLIBS="-lintl" fi fi ]) if test "$CATOBJEXT" = "NONE"; then dnl GNU gettext is not found in the C library. dnl Fall back on GNU gettext library. nls_cv_use_gnu_gettext=yes fi fi if test "$nls_cv_use_gnu_gettext" = "yes"; then dnl Mark actions used to generate GNU NLS library. INTLOBJS="\$(GETTOBJS)" AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt) AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :) AC_SUBST(MSGFMT) BUILD_INCLUDED_LIBINTL=yes USE_INCLUDED_LIBINTL=yes CATOBJEXT=.gmo INTLLIBS='ifelse([$3],[],$(top_builddir)/intl,[$3])/libintl.ifelse([$1], use-libtool, [l], [])a' LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'` fi dnl If iconv() is in a separate libiconv library, then anyone linking dnl with libintl{.a,.so} also needs to link with libiconv. if test -n "$LIBICONV" && test -n "$INTLLIBS"; then INTLLIBS="$INTLLIBS $LIBICONV" fi dnl Test whether we really found GNU xgettext. if test "$XGETTEXT" != ":"; then dnl If it is no GNU xgettext we define it as : so that the dnl Makefiles still can work. if $XGETTEXT --omit-header /dev/null 2> /dev/null; then : ; else AC_MSG_RESULT( [found xgettext program is not GNU xgettext; ignore it]) XGETTEXT=":" fi fi dnl We need to process the po/ directory. POSUB=po fi AC_OUTPUT_COMMANDS( [case " "$CONFIG_FILES" " in *" po/Makefile.in "* | *" po/Makefile.in:"*) sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile ;; esac]) dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL dnl to 'yes' because some of the testsuite requires it. if test "$PACKAGE" = gettext; then BUILD_INCLUDED_LIBINTL=yes fi dnl intl/plural.c is generated from intl/plural.y. It requires bison, dnl because plural.y uses bison specific features. It requires at least dnl bison-1.26 because earlier versions generate a plural.c that doesn't dnl compile. dnl bison is only needed for the maintainer (who touches plural.y). But in dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put dnl the rule in general Makefile. Now, some people carelessly touch the dnl files or have a broken "make" program, hence the plural.c rule will dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not dnl present or too old. AC_CHECK_PROGS([INTLBISON], [bison]) if test -z "$INTLBISON"; then ac_verc_fail=yes else dnl Found it, now check the version. AC_MSG_CHECKING([version of bison]) changequote(<<,>>)dnl ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison .* \([0-9]*\.[0-9.]*\).*$/\1/p'` case $ac_prog_version in '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*) changequote([,])dnl ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; esac AC_MSG_RESULT([$ac_prog_version]) fi if test $ac_verc_fail = yes; then INTLBISON=: fi dnl These rules are solely for the distribution goal. While doing this dnl we only have to keep exactly one list of the available catalogs dnl in configure.in. for lang in $ALL_LINGUAS; do GMOFILES="$GMOFILES $lang.gmo" POFILES="$POFILES $lang.po" done dnl Make all variables we use known to autoconf. AC_SUBST(BUILD_INCLUDED_LIBINTL) AC_SUBST(USE_INCLUDED_LIBINTL) AC_SUBST(CATALOGS) AC_SUBST(CATOBJEXT) AC_SUBST(GMOFILES) AC_SUBST(INTLLIBS) AC_SUBST(INTLOBJS) AC_SUBST(POFILES) AC_SUBST(POSUB) dnl For backward compatibility. Some configure.ins may be using this. nls_cv_header_intl= nls_cv_header_libgt= dnl For backward compatibility. Some Makefiles may be using this. DATADIRNAME=share AC_SUBST(DATADIRNAME) ]) dnl Usage: Just like AM_WITH_NLS, which see. AC_DEFUN([AM_GNU_GETTEXT], [AC_REQUIRE([AC_PROG_MAKE_SET])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_RANLIB])dnl AC_REQUIRE([AC_ISC_POSIX])dnl AC_REQUIRE([AC_HEADER_STDC])dnl AC_REQUIRE([AC_C_CONST])dnl AC_REQUIRE([AC_C_INLINE])dnl AC_REQUIRE([AC_TYPE_OFF_T])dnl AC_REQUIRE([AC_TYPE_SIZE_T])dnl AC_REQUIRE([AC_FUNC_ALLOCA])dnl AC_REQUIRE([AC_FUNC_MMAP])dnl AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \ stdlib.h string.h unistd.h sys/param.h]) AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getcwd mempcpy munmap putenv \ setenv setlocale stpcpy strchr strcasecmp strdup tsearch \ __argz_count __argz_stringify __argz_next]) AM_ICONV AM_LANGINFO_CODESET AM_LC_MESSAGES AM_WITH_NLS([$1],[$2],[$3]) if test "x$CATOBJEXT" != "x"; then if test "x$ALL_LINGUAS" = "x"; then LINGUAS= else AC_MSG_CHECKING(for catalogs to be installed) NEW_LINGUAS= for presentlang in $ALL_LINGUAS; do useit=no for desiredlang in ${LINGUAS-$ALL_LINGUAS}; do # Use the presentlang catalog if desiredlang is # a. equal to presentlang, or # b. a variant of presentlang (because in this case, # presentlang can be used as a fallback for messages # which are not translated in the desiredlang catalog). case "$desiredlang" in "$presentlang"*) useit=yes;; esac done if test $useit = yes; then NEW_LINGUAS="$NEW_LINGUAS $presentlang" fi done LINGUAS=$NEW_LINGUAS AC_MSG_RESULT($LINGUAS) fi dnl Construct list of names of catalog files to be constructed. if test -n "$LINGUAS"; then for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done fi fi dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly dnl find the mkinstalldirs script in another subdir but $(top_srcdir). dnl Try to locate is. MKINSTALLDIRS= if test -n "$ac_aux_dir"; then MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs" fi if test -z "$MKINSTALLDIRS"; then MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs" fi AC_SUBST(MKINSTALLDIRS) dnl Enable libtool support if the surrounding package wishes it. INTL_LIBTOOL_SUFFIX_PREFIX=ifelse([$1], use-libtool, [l], []) AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX) dnl Generate list of files to be processed by xgettext which will dnl be included in po/Makefile. But only do this if the po directory dnl exists in srcdir. if test -d $srcdir/po; then test -d po || mkdir po if test "x$srcdir" != "x."; then if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then posrcprefix="$srcdir/" else posrcprefix="../$srcdir/" fi else posrcprefix="../" fi rm -f po/POTFILES sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \ < $srcdir/po/POTFILES.in > po/POTFILES fi ]) #serial AM1 dnl From Bruno Haible. AC_DEFUN([AM_ICONV], [ dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and dnl those with the standalone portable GNU libiconv installed). AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [ am_cv_func_iconv="no, consider installing GNU libiconv" am_cv_lib_iconv=no AC_TRY_LINK([#include #include ], [iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);], am_cv_func_iconv=yes) if test "$am_cv_func_iconv" != yes; then am_save_LIBS="$LIBS" LIBS="$LIBS -liconv" AC_TRY_LINK([#include #include ], [iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);], am_cv_lib_iconv=yes am_cv_func_iconv=yes) LIBS="$am_save_LIBS" fi ]) if test "$am_cv_func_iconv" = yes; then AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.]) AC_MSG_CHECKING([for iconv declaration]) AC_CACHE_VAL(am_cv_proto_iconv, [ AC_TRY_COMPILE([ #include #include extern #ifdef __cplusplus "C" #endif #if defined(__STDC__) || defined(__cplusplus) size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); #else size_t iconv(); #endif ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const") am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` AC_MSG_RESULT([$]{ac_t:- }[$]am_cv_proto_iconv) AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1, [Define as const if the declaration of iconv() needs const.]) fi LIBICONV= if test "$am_cv_lib_iconv" = yes; then LIBICONV="-liconv" fi AC_SUBST(LIBICONV) ]) # Check whether LC_MESSAGES is available in . # Ulrich Drepper , 1995. # # This file can be copied and used freely without restrictions. It can # be used in projects which are not available under the GNU Public License # but which still want to provide support for the GNU gettext functionality. # Please note that the actual code is *not* freely available. # serial 2 AC_DEFUN([AM_LC_MESSAGES], [if test $ac_cv_header_locale_h = yes; then AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES, [AC_TRY_LINK([#include ], [return LC_MESSAGES], am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)]) if test $am_cv_val_LC_MESSAGES = yes; then AC_DEFINE(HAVE_LC_MESSAGES, 1, [Define if your file defines LC_MESSAGES.]) fi fi]) # Search path for a program which passes the given test. # Ulrich Drepper , 1996. # # This file can be copied and used freely without restrictions. It can # be used in projects which are not available under the GNU Public License # but which still want to provide support for the GNU gettext functionality. # Please note that the actual code is *not* freely available. # serial 1 dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR, dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]]) AC_DEFUN([AM_PATH_PROG_WITH_TEST], [# Extract the first word of "$2", so it can be a program name with args. set dummy $2; ac_word=[$]2 AC_MSG_CHECKING([for $ac_word]) AC_CACHE_VAL(ac_cv_path_$1, [case "[$]$1" in /*) ac_cv_path_$1="[$]$1" # Let the user override the test with a path. ;; *) IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in ifelse([$5], , $PATH, [$5]); do test -z "$ac_dir" && ac_dir=. if test -f $ac_dir/$ac_word; then if [$3]; then ac_cv_path_$1="$ac_dir/$ac_word" break fi fi done IFS="$ac_save_ifs" dnl If no 4th arg is given, leave the cache variable unset, dnl so AC_PATH_PROGS will keep looking. ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4" ])dnl ;; esac])dnl $1="$ac_cv_path_$1" if test -n "[$]$1"; then AC_MSG_RESULT([$]$1) else AC_MSG_RESULT(no) fi AC_SUBST($1)dnl ])