[deliverable/binutils-gdb.git] / gdb / aclocal.m4

dnl aclocal.m4 generated automatically by aclocal 1.3b

dnl Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
dnl PARTICULAR PURPOSE.

dnl written by Rob Savoye <rob@cygnus.com> for Cygnus Support
dnl major rewriting for Tcl 7.5 by Don Libes <libes@nist.gov>

dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
sinclude(../bfd/acinclude.m4)

dnl CY_AC_PATH_TCLCONFIG and CY_AC_LOAD_TCLCONFIG should be invoked
dnl (in that order) before any other TCL macros.  Similarly for TK.

dnl CYGNUS LOCAL: This gets the right posix flag for gcc
AC_DEFUN(CY_AC_TCL_LYNX_POSIX,
[AC_REQUIRE([AC_PROG_CC])AC_REQUIRE([AC_PROG_CPP])
AC_MSG_CHECKING([if running LynxOS])
AC_CACHE_VAL(ac_cv_os_lynx,
[AC_EGREP_CPP(yes,
[/*
 * The old Lynx "cc" only defines "Lynx", but the newer one uses "__Lynx__"
 */
#if defined(__Lynx__) || defined(Lynx)
yes
#endif
], ac_cv_os_lynx=yes, ac_cv_os_lynx=no)])
#
if test "$ac_cv_os_lynx" = "yes" ; then
  AC_MSG_RESULT(yes)
  AC_DEFINE(LYNX)
  AC_MSG_CHECKING([whether -mposix or -X is available])
  AC_CACHE_VAL(ac_cv_c_posix_flag,
  [AC_TRY_COMPILE(,[
  /*
   * This flag varies depending on how old the compiler is.
   * -X is for the old "cc" and "gcc" (based on 1.42).
   * -mposix is for the new gcc (at least 2.5.8).
   */
  #if defined(__GNUC__) && __GNUC__ >= 2
  choke me
  #endif
  ], ac_cv_c_posix_flag=" -mposix", ac_cv_c_posix_flag=" -X")])
  CC="$CC $ac_cv_c_posix_flag"
  AC_MSG_RESULT($ac_cv_c_posix_flag)
  else
  AC_MSG_RESULT(no)
fi
])

#
# Sometimes the native compiler is a bogus stub for gcc or /usr/ucb/cc. This
# makes configure think it's cross compiling. If --target wasn't used, then
# we can't configure, so something is wrong. We don't use the cache
# here cause if somebody fixes their compiler install, we want this to work.
AC_DEFUN(CY_AC_C_WORKS,
[# If we cannot compile and link a trivial program, we can't expect anything to work
AC_MSG_CHECKING(whether the compiler ($CC) actually works)
AC_TRY_COMPILE(, [/* don't need anything here */],
        c_compiles=yes, c_compiles=no)

AC_TRY_LINK(, [/* don't need anything here */],
        c_links=yes, c_links=no)

if test x"${c_compiles}" = x"no" ; then
  AC_MSG_ERROR(the native compiler is broken and won't compile.)
fi

if test x"${c_links}" = x"no" ; then
  AC_MSG_ERROR(the native compiler is broken and won't link.)
fi
AC_MSG_RESULT(yes)
])

AC_DEFUN(CY_AC_PATH_TCLH, [
#
# Ok, lets find the tcl source trees so we can use the headers
# Warning: transition of version 9 to 10 will break this algorithm
# because 10 sorts before 9. We also look for just tcl. We have to
# be careful that we don't match stuff like tclX by accident.
# the alternative search directory is involked by --with-tclinclude
#

no_tcl=true
AC_MSG_CHECKING(for Tcl private headers. dir=${configdir})
AC_ARG_WITH(tclinclude, [  --with-tclinclude=DIR   Directory where tcl private headers are], with_tclinclude=${withval})
AC_CACHE_VAL(ac_cv_c_tclh,[
# first check to see if --with-tclinclude was specified
if test x"${with_tclinclude}" != x ; then
  if test -f ${with_tclinclude}/tclInt.h ; then
    ac_cv_c_tclh=`(cd ${with_tclinclude}; pwd)`
  elif test -f ${with_tclinclude}/generic/tclInt.h ; then
    ac_cv_c_tclh=`(cd ${with_tclinclude}/generic; pwd)`
  else
    AC_MSG_ERROR([${with_tclinclude} directory doesn't contain private headers])
  fi
fi

# next check if it came with Tcl configuration file
if test x"${ac_cv_c_tclconfig}" = x ; then
  if test -f $ac_cv_c_tclconfig/../generic/tclInt.h ; then
    ac_cv_c_tclh=`(cd $ac_cv_c_tclconfig/..; pwd)`
  fi
fi

# next check in private source directory
#
# since ls returns lowest version numbers first, reverse its output
if test x"${ac_cv_c_tclh}" = x ; then
  for i in \
		${srcdir}/../tcl \
		`ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` \
		${srcdir}/../../tcl \
		`ls -dr ${srcdir}/../../tcl[[7-9]]* 2>/dev/null` \
		${srcdir}/../../../tcl \
		`ls -dr ${srcdir}/../../../tcl[[7-9]]* 2>/dev/null ` ; do
    if test -f $i/generic/tclInt.h ; then
      ac_cv_c_tclh=`(cd $i/generic; pwd)`
      break
    fi
  done
fi
# finally check in a few common install locations
#
# since ls returns lowest version numbers first, reverse its output
if test x"${ac_cv_c_tclh}" = x ; then
  for i in \
		`ls -dr /usr/local/src/tcl[[7-9]]* 2>/dev/null` \
		`ls -dr /usr/local/lib/tcl[[7-9]]* 2>/dev/null` \
		/usr/local/src/tcl \
		/usr/local/lib/tcl \
		${prefix}/include ; do
    if test -f $i/generic/tclInt.h ; then
      ac_cv_c_tclh=`(cd $i/generic; pwd)`
      break
    fi
  done
fi
# see if one is installed
if test x"${ac_cv_c_tclh}" = x ; then
   AC_HEADER_CHECK(tclInt.h, ac_cv_c_tclh=installed, ac_cv_c_tclh="")
fi
])
if test x"${ac_cv_c_tclh}" = x ; then
  TCLHDIR="# no Tcl private headers found"
  AC_MSG_ERROR([Can't find Tcl private headers])
fi
if test x"${ac_cv_c_tclh}" != x ; then
  no_tcl=""
  if test x"${ac_cv_c_tclh}" = x"installed" ; then
    AC_MSG_RESULT([is installed])
    TCLHDIR=""
  else
    AC_MSG_RESULT([found in ${ac_cv_c_tclh}])
    # this hack is cause the TCLHDIR won't print if there is a "-I" in it.
    TCLHDIR="-I${ac_cv_c_tclh}"
  fi
fi

AC_SUBST(TCLHDIR)
])


AC_DEFUN(CY_AC_PATH_TCLCONFIG, [
#
# Ok, lets find the tcl configuration
# First, look for one uninstalled.  
# the alternative search directory is invoked by --with-tclconfig
#

if test x"${no_tcl}" = x ; then
  # we reset no_tcl in case something fails here
  no_tcl=true
  AC_ARG_WITH(tclconfig, [  --with-tclconfig=DIR    Directory containing tcl configuration (tclConfig.sh)],
         with_tclconfig=${withval})
  AC_MSG_CHECKING([for Tcl configuration])
  AC_CACHE_VAL(ac_cv_c_tclconfig,[

  # First check to see if --with-tclconfig was specified.
  if test x"${with_tclconfig}" != x ; then
    if test -f "${with_tclconfig}/tclConfig.sh" ; then
      ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
    else
      AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
    fi
  fi

  # then check for a private Tcl installation
  if test x"${ac_cv_c_tclconfig}" = x ; then
    for i in \
		../tcl \
		`ls -dr ../tcl[[7-9]]* 2>/dev/null` \
		../../tcl \
		`ls -dr ../../tcl[[7-9]]* 2>/dev/null` \
		../../../tcl \
		`ls -dr ../../../tcl[[7-9]]* 2>/dev/null` ; do
      if test -f "$i/${configdir}/tclConfig.sh" ; then
        ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
	break
      fi
    done
  fi
  # check in a few common install locations
  if test x"${ac_cv_c_tclconfig}" = x ; then
    for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
      if test -f "$i/tclConfig.sh" ; then
        ac_cv_c_tclconfig=`(cd $i; pwd)`
	break
      fi
    done
  fi
  # check in a few other private locations
  if test x"${ac_cv_c_tclconfig}" = x ; then
    for i in \
		${srcdir}/../tcl \
		`ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` ; do
      if test -f "$i/${configdir}/tclConfig.sh" ; then
        ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)`
	break
      fi
    done
  fi
  ])
  if test x"${ac_cv_c_tclconfig}" = x ; then
    TCLCONFIG="# no Tcl configs found"
    AC_MSG_WARN(Can't find Tcl configuration definitions)
  else
    no_tcl=
    TCLCONFIG=${ac_cv_c_tclconfig}/tclConfig.sh
    AC_MSG_RESULT(found $TCLCONFIG)
  fi
fi
])

# Defined as a separate macro so we don't have to cache the values
# from PATH_TCLCONFIG (because this can also be cached).
AC_DEFUN(CY_AC_LOAD_TCLCONFIG, [
    . $TCLCONFIG

    AC_SUBST(TCL_VERSION)
    AC_SUBST(TCL_MAJOR_VERSION)
    AC_SUBST(TCL_MINOR_VERSION)
    AC_SUBST(TCL_CC)
    AC_SUBST(TCL_DEFS)

dnl not used, don't export to save symbols
dnl    AC_SUBST(TCL_LIB_FILE)

dnl don't export, not used outside of configure
dnl     AC_SUBST(TCL_LIBS)
dnl not used, don't export to save symbols
dnl    AC_SUBST(TCL_PREFIX)

dnl not used, don't export to save symbols
dnl    AC_SUBST(TCL_EXEC_PREFIX)

    AC_SUBST(TCL_SHLIB_CFLAGS)
    AC_SUBST(TCL_SHLIB_LD)
dnl don't export, not used outside of configure
    AC_SUBST(TCL_SHLIB_LD_LIBS)
    AC_SUBST(TCL_SHLIB_SUFFIX)
dnl not used, don't export to save symbols
    AC_SUBST(TCL_DL_LIBS)
    AC_SUBST(TCL_LD_FLAGS)
dnl don't export, not used outside of configure
    AC_SUBST(TCL_LD_SEARCH_FLAGS)
    AC_SUBST(TCL_COMPAT_OBJS)
    AC_SUBST(TCL_RANLIB)
    AC_SUBST(TCL_BUILD_LIB_SPEC)
    AC_SUBST(TCL_LIB_SPEC)
    AC_SUBST(TCL_LIB_VERSIONS_OK)

dnl not used, don't export to save symbols
dnl    AC_SUBST(TCL_SHARED_LIB_SUFFIX)

dnl not used, don't export to save symbols
dnl    AC_SUBST(TCL_UNSHARED_LIB_SUFFIX)
])

# Warning: Tk definitions are very similar to Tcl definitions but
# are not precisely the same.  There are a couple of differences,
# so don't do changes to Tcl thinking you can cut and paste it do 
# the Tk differences and later simply substitute "Tk" for "Tcl".
# Known differences:
#  - Acceptable Tcl major version #s is 7-9 while Tk is 4-9
#  - Searching for Tcl includes looking for tclInt.h, Tk looks for tk.h
#  - Computing major/minor versions is different because Tk depends on
#    headers to Tcl, Tk, and X.
#  - Symbols in tkConfig.sh are different than tclConfig.sh
#  - Acceptable for Tk to be missing but not Tcl.

AC_DEFUN(CY_AC_PATH_TKH, [
#
# Ok, lets find the tk source trees so we can use the headers
# If the directory (presumably symlink) named "tk" exists, use that one
# in preference to any others.  Same logic is used when choosing library
# and again with Tcl. The search order is the best place to look first, then in
# decreasing significance. The loop breaks if the trigger file is found.
# Note the gross little conversion here of srcdir by cd'ing to the found
# directory. This converts the path from a relative to an absolute, so
# recursive cache variables for the path will work right. We check all
# the possible paths in one loop rather than many seperate loops to speed
# things up.
# the alternative search directory is involked by --with-tkinclude
#
no_tk=true
AC_MSG_CHECKING(for Tk private headers)
AC_ARG_WITH(tkinclude, [  --with-tkinclude=DIR    Directory where tk private headers are], with_tkinclude=${withval})
AC_CACHE_VAL(ac_cv_c_tkh,[
# first check to see if --with-tkinclude was specified
if test x"${with_tkinclude}" != x ; then
  if test -f ${with_tkinclude}/tk.h ; then
    ac_cv_c_tkh=`(cd ${with_tkinclude}; pwd)`
  elif test -f ${with_tkinclude}/generic/tk.h ; then
    ac_cv_c_tkh=`(cd ${with_tkinclude}/generic; pwd)`
  else
    AC_MSG_ERROR([${with_tkinclude} directory doesn't contain private headers])
  fi
fi

# next check if it came with Tk configuration file
if test x"${ac_cv_c_tkconfig}" = x ; then
  if test -f $ac_cv_c_tkconfig/../generic/tk.h ; then
    ac_cv_c_tkh=`(cd $ac_cv_c_tkconfig/..; pwd)`
  fi
fi

# next check in private source directory
#
# since ls returns lowest version numbers first, reverse its output
if test x"${ac_cv_c_tkh}" = x ; then
  for i in \
		${srcdir}/../tk \
		`ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` \
		${srcdir}/../../tk \
		`ls -dr ${srcdir}/../../tk[[4-9]]* 2>/dev/null` \
		${srcdir}/../../../tk \
		`ls -dr ${srcdir}/../../../tk[[4-9]]* 2>/dev/null ` ; do
    if test -f $i/generic/tk.h ; then
      ac_cv_c_tkh=`(cd $i/generic; pwd)`
      break
    fi
  done
fi
# finally check in a few common install locations
#
# since ls returns lowest version numbers first, reverse its output
if test x"${ac_cv_c_tkh}" = x ; then
  for i in \
		`ls -dr /usr/local/src/tk[[4-9]]* 2>/dev/null` \
		`ls -dr /usr/local/lib/tk[[4-9]]* 2>/dev/null` \
		/usr/local/src/tk \
		/usr/local/lib/tk \
		${prefix}/include ; do
    if test -f $i/generic/tk.h ; then
      ac_cv_c_tkh=`(cd $i/generic; pwd)`
      break
    fi
  done
fi
# see if one is installed
if test x"${ac_cv_c_tkh}" = x ; then
   AC_HEADER_CHECK(tk.h, ac_cv_c_tkh=installed, ac_cv_c_tkh="")
fi
])
if test x"${ac_cv_c_tkh}" != x ; then
  no_tk=""
  if test x"${ac_cv_c_tkh}" = x"installed" ; then
    AC_MSG_RESULT([is installed])
    TKHDIR=""
  else
    AC_MSG_RESULT([found in ${ac_cv_c_tkh}])
    # this hack is cause the TKHDIR won't print if there is a "-I" in it.
    TKHDIR="-I${ac_cv_c_tkh}"
  fi
else
  TKHDIR="# no Tk directory found"
  AC_MSG_WARN([Can't find Tk private headers])
  no_tk=true
fi

AC_SUBST(TKHDIR)
])


AC_DEFUN(CY_AC_PATH_TKCONFIG, [
#
# Ok, lets find the tk configuration
# First, look for one uninstalled.  
# the alternative search directory is invoked by --with-tkconfig
#

if test x"${no_tk}" = x ; then
  # we reset no_tk in case something fails here
  no_tk=true
  AC_ARG_WITH(tkconfig, [  --with-tkconfig=DIR     Directory containing tk configuration (tkConfig.sh)],
         with_tkconfig=${withval})
  AC_MSG_CHECKING([for Tk configuration])
  AC_CACHE_VAL(ac_cv_c_tkconfig,[

  # First check to see if --with-tkconfig was specified.
  if test x"${with_tkconfig}" != x ; then
    if test -f "${with_tkconfig}/tkConfig.sh" ; then
      ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)`
    else
      AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
    fi
  fi

  # then check for a private Tk library
  if test x"${ac_cv_c_tkconfig}" = x ; then
    for i in \
		../tk \
		`ls -dr ../tk[[4-9]]* 2>/dev/null` \
		../../tk \
		`ls -dr ../../tk[[4-9]]* 2>/dev/null` \
		../../../tk \
		`ls -dr ../../../tk[[4-9]]* 2>/dev/null` ; do
      if test -f "$i/${configdir}/tkConfig.sh" ; then
        ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
	break
      fi
    done
  fi
  # check in a few common install locations
  if test x"${ac_cv_c_tkconfig}" = x ; then
    for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
      if test -f "$i/tkConfig.sh" ; then
        ac_cv_c_tkconfig=`(cd $i; pwd)`
	break
      fi
    done
  fi
  # check in a few other private locations
  if test x"${ac_cv_c_tkconfig}" = x ; then
    for i in \
		${srcdir}/../tk \
		`ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` ; do
      if test -f "$i/${configdir}/tkConfig.sh" ; then
        ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)`
	break
      fi
    done
  fi
  ])
  if test x"${ac_cv_c_tkconfig}" = x ; then
    TKCONFIG="# no Tk configs found"
    AC_MSG_WARN(Can't find Tk configuration definitions)
  else
    no_tk=
    TKCONFIG=${ac_cv_c_tkconfig}/tkConfig.sh
    AC_MSG_RESULT(found $TKCONFIG)
  fi
fi

])

# Defined as a separate macro so we don't have to cache the values
# from PATH_TKCONFIG (because this can also be cached).
AC_DEFUN(CY_AC_LOAD_TKCONFIG, [
    if test -f "$TKCONFIG" ; then
      . $TKCONFIG
    fi

    AC_SUBST(TK_VERSION)
dnl not actually used, don't export to save symbols
dnl    AC_SUBST(TK_MAJOR_VERSION)
dnl    AC_SUBST(TK_MINOR_VERSION)
    AC_SUBST(TK_DEFS)

dnl not used, don't export to save symbols
    dnl AC_SUBST(TK_LIB_FILE)

dnl not used outside of configure
dnl    AC_SUBST(TK_LIBS)
dnl not used, don't export to save symbols
dnl    AC_SUBST(TK_PREFIX)

dnl not used, don't export to save symbols
dnl    AC_SUBST(TK_EXEC_PREFIX)

    AC_SUBST(TK_BUILD_INCLUDES)
    AC_SUBST(TK_XINCLUDES)
    AC_SUBST(TK_XLIBSW)
    AC_SUBST(TK_BUILD_LIB_SPEC)
    AC_SUBST(TK_LIB_SPEC)
])


# check for Itcl headers. 

AC_DEFUN(CY_AC_PATH_ITCLH, [
AC_MSG_CHECKING(for Itcl private headers. srcdir=${srcdir})
if test x"${ac_cv_c_itclh}" = x ; then
  for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ; do
    if test -f $i/src/itcl.h ; then
      ac_cv_c_itclh=`(cd $i/src; pwd)`
      break
    fi
  done
fi
if test x"${ac_cv_c_itclh}" = x ; then
  ITCLHDIR="# no Itcl private headers found"
  AC_MSG_ERROR([Can't find Itcl private headers])
fi
if test x"${ac_cv_c_itclh}" != x ; then
     ITCLHDIR="-I${ac_cv_c_itclh}"
fi
# should always be here
     ITCLLIB="../itcl/src/libitcl.a"
AC_SUBST(ITCLHDIR)
AC_SUBST(ITCLLIB)
])

# check for Tix headers. 

AC_DEFUN(CY_AC_PATH_TIX, [
AC_MSG_CHECKING(for Tix private headers. srcdir=${srcdir})
if test x"${ac_cv_c_tixh}" = x ; then
  for i in ${srcdir}/../tix ${srcdir}/../../tix ${srcdir}/../../../tix ; do
    if test -f $i/generic/tix.h ; then
      ac_cv_c_tixh=`(cd $i/generic; pwd)`
      break
    fi
  done
fi
if test x"${ac_cv_c_tixh}" = x ; then
  TIXHDIR="# no Tix private headers found"
  AC_MSG_ERROR([Can't find Tix private headers])
fi
if test x"${ac_cv_c_tixh}" != x ; then
     TIXHDIR="-I${ac_cv_c_tixh}"
fi
AC_SUBST(TIXHDIR)
])


# serial 1

# @defmac AC_PROG_CC_STDC
# @maindex PROG_CC_STDC
# @ovindex CC
# If the C compiler in not in ANSI C mode by default, try to add an option
# to output variable @code{CC} to make it so.  This macro tries various
# options that select ANSI C on some system or another.  It considers the
# compiler to be in ANSI C mode if it handles function prototypes correctly.
#
# If you use this macro, you should check after calling it whether the C
# compiler has been set to accept ANSI C; if not, the shell variable
# @code{am_cv_prog_cc_stdc} is set to @samp{no}.  If you wrote your source
# code in ANSI C, you can make an un-ANSIfied copy of it by using the
# program @code{ansi2knr}, which comes with Ghostscript.
# @end defmac

AC_DEFUN(AM_PROG_CC_STDC,
[AC_REQUIRE([AC_PROG_CC])
AC_BEFORE([$0], [AC_C_INLINE])
AC_BEFORE([$0], [AC_C_CONST])
dnl Force this before AC_PROG_CPP.  Some cpp's, eg on HPUX, require
dnl a magic option to avoid problems with ANSI preprocessor commands
dnl like #elif.
dnl FIXME: can't do this because then AC_AIX won't work due to a
dnl circular dependency.
dnl AC_BEFORE([$0], [AC_PROG_CPP])
AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
AC_CACHE_VAL(am_cv_prog_cc_stdc,
[am_cv_prog_cc_stdc=no
ac_save_CC="$CC"
# Don't try gcc -ansi; that turns off useful extensions and
# breaks some systems' header files.
# AIX			-qlanglvl=ansi
# Ultrix and OSF/1	-std1
# HP-UX			-Aa -D_HPUX_SOURCE
# SVR4			-Xc -D__EXTENSIONS__
for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
do
  CC="$ac_save_CC $ac_arg"
  AC_TRY_COMPILE(
[#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
struct buf { int x; };
FILE * (*rcsopen) (struct buf *, struct stat *, int);
static char *e (p, i)
     char **p;
     int i;
{
  return p[i];
}
static char *f (char * (*g) (char **, int), char **p, ...)
{
  char *s;
  va_list v;
  va_start (v,p);
  s = g (p, va_arg (v,int));
  va_end (v);
  return s;
}
int test (int i, double x);
struct s1 {int (*f) (int a);};
struct s2 {int (*f) (double a);};
int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
int argc;
char **argv;
], [
return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
],
[am_cv_prog_cc_stdc="$ac_arg"; break])
done
CC="$ac_save_CC"
])
if test -z "$am_cv_prog_cc_stdc"; then
  AC_MSG_RESULT([none needed])
else
  AC_MSG_RESULT($am_cv_prog_cc_stdc)
fi
case "x$am_cv_prog_cc_stdc" in
  x|xno) ;;
  *) CC="$CC $am_cv_prog_cc_stdc" ;;
esac
])

# This file is derived from `gettext.m4'.  The difference is that the
# included macros assume Cygnus-style source and build trees.

# Macro to add for using GNU gettext.
# Ulrich Drepper <drepper@cygnus.com>, 1995.
#
# This file file 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 3

AC_DEFUN(CY_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)

    USE_INCLUDED_LIBINTL=no

    dnl If we use NLS figure out what method
    if test "$USE_NLS" = "yes"; then
      AC_DEFINE(ENABLE_NLS)
      AC_MSG_CHECKING([whether included gettext is requested])
      AC_ARG_WITH(included-gettext,
        [  --with-included-gettext use the GNU gettext library included here],
        nls_cv_force_use_gnu_gettext=$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 gettext or catgets are available (in this order) we
        dnl use this.  Else we have to fall back to GNU NLS library.
	dnl catgets is only used if permitted by option --with-catgets.
	nls_cv_header_intl=
	nls_cv_header_libgt=
	CATOBJEXT=NONE

	AC_CHECK_HEADER(libintl.h,
	  [AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc,
	    [AC_TRY_LINK([#include <libintl.h>], [return (int) gettext ("")],
	       gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)])

	   if test "$gt_cv_func_gettext_libc" != "yes"; then
	     AC_CHECK_LIB(intl, bindtextdomain,
	       [AC_CACHE_CHECK([for gettext in libintl],
		 gt_cv_func_gettext_libintl,
		 [AC_TRY_LINK([], [return (int) gettext ("")],
		 gt_cv_func_gettext_libintl=yes,
		 gt_cv_func_gettext_libintl=no)])])
	   fi

	   if test "$gt_cv_func_gettext_libc" = "yes" \
	      || test "$gt_cv_func_gettext_libintl" = "yes"; then
	      AC_DEFINE(HAVE_GETTEXT)
	      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_CHECK_FUNCS(dcgettext)
		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_TRY_LINK(, [extern int _nl_msg_cat_cntr;
			       return _nl_msg_cat_cntr],
		  [CATOBJEXT=.gmo
		   DATADIRNAME=share],
		  [CATOBJEXT=.mo
		   DATADIRNAME=lib])
		INSTOBJEXT=.mo
	      fi
	    fi
	])

	dnl In the standard gettext, we would now check for catgets.
        dnl However, we never want to use catgets for our releases.

        if test "$CATOBJEXT" = "NONE"; then
	  dnl Neither gettext nor catgets in included 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/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
        AC_SUBST(MSGFMT)
	USE_INCLUDED_LIBINTL=yes
        CATOBJEXT=.gmo
        INSTOBJEXT=.mo
        DATADIRNAME=share
	INTLDEPS='$(top_builddir)/../intl/libintl.a'
	INTLLIBS=$INTLDEPS
	LIBS=`echo $LIBS | sed -e 's/-lintl//'`
        nls_cv_header_intl=libintl.h
        nls_cv_header_libgt=libgettext.h
      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 programs is not GNU xgettext; ignore it])
	  XGETTEXT=":"
	fi
      fi

      # We need to process the po/ directory.
      POSUB=po
    else
      DATADIRNAME=share
      nls_cv_header_intl=libintl.h
      nls_cv_header_libgt=libgettext.h
    fi

    # If this is used in GNU gettext we have to set USE_NLS to `yes'
    # because some of the sources are only built for this goal.
    if test "$PACKAGE" = gettext; then
      USE_NLS=yes
      USE_INCLUDED_LIBINTL=yes
    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(USE_INCLUDED_LIBINTL)
    AC_SUBST(CATALOGS)
    AC_SUBST(CATOBJEXT)
    AC_SUBST(DATADIRNAME)
    AC_SUBST(GMOFILES)
    AC_SUBST(INSTOBJEXT)
    AC_SUBST(INTLDEPS)
    AC_SUBST(INTLLIBS)
    AC_SUBST(INTLOBJS)
    AC_SUBST(POFILES)
    AC_SUBST(POSUB)
  ])

AC_DEFUN(CY_GNU_GETTEXT,
  [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
   AC_REQUIRE([AC_PROG_CC])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 string.h \
unistd.h values.h sys/param.h])
   AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \
__argz_count __argz_stringify __argz_next])

   if test "${ac_cv_func_stpcpy+set}" != "set"; then
     AC_CHECK_FUNCS(stpcpy)
   fi
   if test "${ac_cv_func_stpcpy}" = "yes"; then
     AC_DEFINE(HAVE_STPCPY)
   fi

   AM_LC_MESSAGES
   CY_WITH_NLS

   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 lang in ${LINGUAS=$ALL_LINGUAS}; do
         case "$ALL_LINGUAS" in
          *$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;;
         esac
       done
       LINGUAS=$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 The reference to <locale.h> in the installed <libintl.h> file
   dnl must be resolved because we cannot expect the users of this
   dnl to define HAVE_LOCALE_H.
   if test $ac_cv_header_locale_h = yes; then
     INCLUDE_LOCALE_H="#include <locale.h>"
   else
     INCLUDE_LOCALE_H="\
/* The system does not provide the header <locale.h>.  Take care yourself.  */"
   fi
   AC_SUBST(INCLUDE_LOCALE_H)

   dnl Determine which catalog format we have (if any is needed)
   dnl For now we know about two different formats:
   dnl   Linux libc-5 and the normal X/Open format
   if test -f $srcdir/po2tbl.sed.in; then
      if test "$CATOBJEXT" = ".cat"; then
	 AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen)

	 dnl Transform the SED scripts while copying because some dumb SEDs
         dnl cannot handle comments.
	 sed -e '/^#/d' $srcdir/$msgformat-msg.sed > po2msg.sed
      fi
      dnl po2tbl.sed is always needed.
      sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \
	 $srcdir/po2tbl.sed.in > po2tbl.sed
   fi

   dnl In the intl/Makefile.in we have a special dependency which makes
   dnl only sense for gettext.  We comment this out for non-gettext
   dnl packages.
   if test "$PACKAGE" = "gettext"; then
     GT_NO="#NO#"
     GT_YES=
   else
     GT_NO=
     GT_YES="#YES#"
   fi
   AC_SUBST(GT_NO)
   AC_SUBST(GT_YES)

   MKINSTALLDIRS="\$(srcdir)/../../mkinstalldirs"
   AC_SUBST(MKINSTALLDIRS)

   dnl *** For now the libtool support in intl/Makefile is not for real.
   l=
   AC_SUBST(l)

   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
  ])

# Search path for a program which passes the given test.
# Ulrich Drepper <drepper@cygnus.com>, 1996.
#
# This file file 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
])

# Check whether LC_MESSAGES is available in <locale.h>.
# Ulrich Drepper <drepper@cygnus.com>, 1995.
#
# This file file 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

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 <locale.h>], [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)
    fi
  fi])

# Check to see if we're running under Win32, without using
# AC_CANONICAL_*.  If so, set output variable EXEEXT to ".exe".
# Otherwise set it to "".

dnl AM_EXEEXT()
dnl This knows we add .exe if we're building in the Cygwin32
dnl environment. But if we're not, then it compiles a test program
dnl to see if there is a suffix for executables.
AC_DEFUN(AM_EXEEXT,
[AC_REQUIRE([AM_CYGWIN32])
AC_REQUIRE([AM_MINGW32])
AC_MSG_CHECKING([for executable suffix])
AC_CACHE_VAL(am_cv_exeext,
[if test "$CYGWIN32" = yes || test "$MINGW32" = yes; then
am_cv_exeext=.exe
else
cat > am_c_test.c << 'EOF'
int main() {
/* Nothing needed here */
}
EOF
${CC-cc} -o am_c_test $CFLAGS $CPPFLAGS $LDFLAGS am_c_test.c $LIBS 1>&5
am_cv_exeext=
for file in am_c_test.*; do
   case $file in
    *.c) ;;
    *.o) ;;
    *) am_cv_exeext=`echo $file | sed -e s/am_c_test//` ;;
   esac
done
rm -f am_c_test*])
test x"${am_cv_exeext}" = x && am_cv_exeext=no
fi
EXEEXT=""
test x"${am_cv_exeext}" != xno && EXEEXT=${am_cv_exeext}
AC_MSG_RESULT(${am_cv_exeext})
AC_SUBST(EXEEXT)])

# Check to see if we're running under Cygwin32, without using
# AC_CANONICAL_*.  If so, set output variable CYGWIN32 to "yes".
# Otherwise set it to "no".

dnl AM_CYGWIN32()
AC_DEFUN(AM_CYGWIN32,
[AC_CACHE_CHECK(for Cygwin32 environment, am_cv_cygwin32,
[AC_TRY_COMPILE(,[return __CYGWIN32__;],
am_cv_cygwin32=yes, am_cv_cygwin32=no)
rm -f conftest*])
CYGWIN32=
test "$am_cv_cygwin32" = yes && CYGWIN32=yes])

# Check to see if we're running under Mingw, without using
# AC_CANONICAL_*.  If so, set output variable MINGW32 to "yes".
# Otherwise set it to "no".

dnl AM_MINGW32()
AC_DEFUN(AM_MINGW32,
[AC_CACHE_CHECK(for Mingw32 environment, am_cv_mingw32,
[AC_TRY_COMPILE(,[return __MINGW32__;],
am_cv_mingw32=yes, am_cv_mingw32=no)
rm -f conftest*])
MINGW32=
test "$am_cv_mingw32" = yes && MINGW32=yes])