configure

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    fi
    if test "${RC}" = "" ; then
	{ echo "configure: error: Required resource tool 'windres' not found on PATH." 1>&2; exit 1; }
    fi
fi

#--------------------------------------------------------------------
# Checks to see if the make progeam sets the $MAKE variable.
#--------------------------------------------------------------------

echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
echo "configure:911: checking whether ${MAKE-make} sets \${MAKE}" >&5
set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftestmake <<\EOF
all:
	@echo 'ac_maketemp="${MAKE}"'
EOF
# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
eval `${MAKE-make} -f conftestmake 2>/dev/null | grep temp=`
if test -n "$ac_maketemp"; then
  eval ac_cv_prog_make_${ac_make}_set=yes
else
  eval ac_cv_prog_make_${ac_make}_set=no
fi
rm -f conftestmake
fi
if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  SET_MAKE=
else
  echo "$ac_t""no" 1>&6
  SET_MAKE="MAKE=${MAKE-make}"
fi


#--------------------------------------------------------------------
# Perform additinal compiler tests.
#--------------------------------------------------------------------

echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
echo "configure:943: checking for Cygwin environment" >&5
if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 948 "configure"
#include "confdefs.h"

int main() {

#ifndef __CYGWIN__
#define __CYGWIN__ __CYGWIN32__
#endif
return __CYGWIN__;
; return 0; }
EOF
if { (eval echo configure:959: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_cygwin=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_cygwin=no
fi
rm -f conftest*
rm -f conftest*
fi

echo "$ac_t""$ac_cv_cygwin" 1>&6
CYGWIN=
test "$ac_cv_cygwin" = yes && CYGWIN=yes

if test "$ac_cv_cygwin" = "yes" ; then
    { echo "configure: error: Compiling under Cygwin is not currently supported.
A maintainer for the Cygwin port of Tcl/Tk is needed. See the README
file for information about building with Mingw." 1>&2; exit 1; }
fi


echo $ac_n "checking for SEH support in compiler""... $ac_c" 1>&6
echo "configure:984: checking for SEH support in compiler" >&5
if eval "test \"`echo '$''{'tcl_cv_seh'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  tcl_cv_seh=no
else
  cat > conftest.$ac_ext <<EOF
#line 992 "configure"
#include "confdefs.h"

#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN

int main(int argc, char** argv) {
    int a, b = 0;
    __try {
        a = 666 / b;
    }
    __except (EXCEPTION_EXECUTE_HANDLER) {
        return 0;
    }
    return 1;
}

EOF
if { (eval echo configure:1011: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_cv_seh=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_cv_seh=no
fi
rm -fr conftest*
fi


fi

echo "$ac_t""$tcl_cv_seh" 1>&6
if test "$tcl_cv_seh" = "no" ; then
    cat >> confdefs.h <<\EOF
#define HAVE_NO_SEH 1
EOF

fi

#
# Check to see if the excpt.h include file provided contains the
# definition for EXCEPTION_DISPOSITION; if not, which is the case
# with Cygwin's version as of 2002-04-10, define it to be int, 
# sufficient for getting the current code to work.
#
echo $ac_n "checking for EXCEPTION_DISPOSITION support in include files""... $ac_c" 1>&6
echo "configure:1041: checking for EXCEPTION_DISPOSITION support in include files" >&5
if eval "test \"`echo '$''{'tcl_cv_eh_disposition'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1046 "configure"
#include "confdefs.h"

#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN

int main() {

  EXCEPTION_DISPOSITION x;

; return 0; }
EOF
if { (eval echo configure:1059: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_eh_disposition=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_eh_disposition=no
fi
rm -f conftest*

fi

echo "$ac_t""$tcl_cv_eh_disposition" 1>&6
if test "$tcl_cv_eh_disposition" = "no" ; then
    cat >> confdefs.h <<\EOF
#define EXCEPTION_DISPOSITION int
EOF

fi


# Check to see if the winsock2.h include file provided contains
# typedefs like LPFN_ACCEPT and friends.
#
echo $ac_n "checking for LPFN_ACCEPT support in winsock2.h""... $ac_c" 1>&6
echo "configure:1085: checking for LPFN_ACCEPT support in winsock2.h" >&5
if eval "test \"`echo '$''{'tcl_cv_lpfn_decls'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1090 "configure"
#include "confdefs.h"

#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
#include <winsock2.h>

int main() {

  LPFN_ACCEPT accept;

; return 0; }
EOF
if { (eval echo configure:1104: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_lpfn_decls=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_lpfn_decls=no
fi
rm -f conftest*

fi

echo "$ac_t""$tcl_cv_lpfn_decls" 1>&6
if test "$tcl_cv_lpfn_decls" = "no" ; then
    cat >> confdefs.h <<\EOF
#define HAVE_NO_LPFN_DECLS 1
EOF

fi

# Check to see if winnt.h defines CHAR, SHORT, and LONG
# even if VOID has already been #defined. The win32api
# used by mingw and cygwin is known to do this.

echo $ac_n "checking for winnt.h that ignores VOID define""... $ac_c" 1>&6
echo "configure:1130: checking for winnt.h that ignores VOID define" >&5
if eval "test \"`echo '$''{'tcl_cv_winnt_ignore_void'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1135 "configure"
#include "confdefs.h"

#define VOID void
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN

int main() {

  CHAR c;
  SHORT s;
  LONG l;

; return 0; }
EOF
if { (eval echo configure:1151: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_winnt_ignore_void=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_winnt_ignore_void=no
fi
rm -f conftest*

fi

echo "$ac_t""$tcl_cv_winnt_ignore_void" 1>&6
if test "$tcl_cv_winnt_ignore_void" = "yes" ; then
    cat >> confdefs.h <<\EOF
#define HAVE_WINNT_IGNORE_VOID 1
EOF

fi

# Check to see if malloc.h is missing the alloca function
# declaration. This is known to be a problem with Mingw.
# If we compiled without the function declaration, it
# would work but we would get a warning message from gcc.
# If we add the function declaration ourselves, it
# would not compile correctly because the _alloca
# function expects the argument to be passed in a
# register and not on the stack. Instead, we just
# call it from inline asm code.

echo $ac_n "checking for alloca declaration in malloc.h""... $ac_c" 1>&6
echo "configure:1183: checking for alloca declaration in malloc.h" >&5
if eval "test \"`echo '$''{'tcl_cv_malloc_decl_alloca'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1188 "configure"
#include "confdefs.h"

#include <malloc.h>

int main() {

  size_t arg = 0;
  void* ptr;
  ptr = alloca;
  ptr = alloca(arg);

; return 0; }
EOF
if { (eval echo configure:1202: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_malloc_decl_alloca=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_malloc_decl_alloca=no
fi
rm -f conftest*

fi

echo "$ac_t""$tcl_cv_malloc_decl_alloca" 1>&6
if test "$tcl_cv_malloc_decl_alloca" = "no" &&
   test "${GCC}" = "yes" ; then
    cat >> confdefs.h <<\EOF
#define HAVE_ALLOCA_GCC_INLINE 1
EOF

fi

# See if the compiler supports casting to a union type.
# This is used to stop gcc from printing a compiler
# warning when initializing a union member.

echo $ac_n "checking for cast to union support""... $ac_c" 1>&6
echo "configure:1229: checking for cast to union support" >&5
if eval "test \"`echo '$''{'tcl_cv_cast_to_union'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1234 "configure"
#include "confdefs.h"

int main() {

  union foo { int i; double d; };
  union foo f = (union foo) (int) 0;

; return 0; }
EOF
if { (eval echo configure:1244: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_cv_cast_to_union=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_cv_cast_to_union=no
fi
rm -f conftest*

fi

echo "$ac_t""$tcl_cv_cast_to_union" 1>&6
if test "$tcl_cv_cast_to_union" = "yes"; then
    cat >> confdefs.h <<\EOF
#define HAVE_CAST_TO_UNION 1
EOF

fi


#--------------------------------------------------------------------
# Determines the correct binary file extension (.o, .obj, .exe etc.)
#--------------------------------------------------------------------

echo $ac_n "checking for object suffix""... $ac_c" 1>&6
echo "configure:1271: checking for object suffix" >&5
if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  rm -f conftest*
echo 'int i = 1;' > conftest.$ac_ext
if { (eval echo configure:1277: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  for ac_file in conftest.*; do
    case $ac_file in
    *.c) ;;
    *) ac_cv_objext=`echo $ac_file | sed -e s/conftest.//` ;;
    esac
  done
else
  { echo "configure: error: installation or configuration problem; compiler does not work" 1>&2; exit 1; }
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_objext" 1>&6
OBJEXT=$ac_cv_objext
ac_objext=$ac_cv_objext

echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
echo "configure:1295: checking for mingw32 environment" >&5
if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1300 "configure"
#include "confdefs.h"

int main() {
return __MINGW32__;
; return 0; }
EOF
if { (eval echo configure:1307: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_mingw32=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_mingw32=no
fi
rm -f conftest*
rm -f conftest*
fi

echo "$ac_t""$ac_cv_mingw32" 1>&6
MINGW32=
test "$ac_cv_mingw32" = yes && MINGW32=yes


echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
echo "configure:1326: checking for executable suffix" >&5
if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
  ac_cv_exeext=.exe
else
  rm -f conftest*
  echo 'int main () { return 0; }' > conftest.$ac_ext
  ac_cv_exeext=
  if { (eval echo configure:1336: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
    for file in conftest.*; do
      case $file in
      *.c | *.o | *.obj) ;;
      *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
      esac
    done
  else
    { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; }
  fi
  rm -f conftest*
  test x"${ac_cv_exeext}" = x && ac_cv_exeext=no
fi