+#ifndef GCC_SCANF
+#define GCC_SCANF 0
+#endif
+#ifndef GCC_NORETURN
+#define GCC_NORETURN /* nothing */
+#endif
+#ifndef GCC_UNUSED
+#define GCC_UNUSED /* nothing */
+#endif
+EOF
+if test "$GCC" = yes
+then
+ { echo "$as_me:3104: checking for $CC __attribute__ directives..." >&5
+echo "$as_me: checking for $CC __attribute__ directives..." >&6;}
+cat > conftest.$ac_ext <<EOF
+#line 3107 "${as_me:-configure}"
+#include "confdefs.h"
+#include "conftest.h"
+#include "conftest.i"
+#if GCC_PRINTF
+#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
+#else
+#define GCC_PRINTFLIKE(fmt,var) /*nothing*/
+#endif
+#if GCC_SCANF
+#define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
+#else
+#define GCC_SCANFLIKE(fmt,var) /*nothing*/
+#endif
+extern void wow(char *,...) GCC_SCANFLIKE(1,2);
+extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
+extern void foo(void) GCC_NORETURN;
+int main(int argc GCC_UNUSED, char *argv[] GCC_UNUSED) { return 0; }
+EOF
+ cf_printf_attribute=no
+ cf_scanf_attribute=no
+ for cf_attribute in scanf printf unused noreturn
+ do
+
+cf_ATTRIBUTE=`echo "$cf_attribute" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
+
+ cf_directive="__attribute__(($cf_attribute))"
+ echo "checking for $CC $cf_directive" 1>&5
+
+ case $cf_attribute in
+ (printf)
+ cf_printf_attribute=yes
+ cat >conftest.h <<EOF
+#define GCC_$cf_ATTRIBUTE 1
+EOF
+ ;;
+ (scanf)
+ cf_scanf_attribute=yes
+ cat >conftest.h <<EOF
+#define GCC_$cf_ATTRIBUTE 1
+EOF
+ ;;
+ (*)
+ cat >conftest.h <<EOF
+#define GCC_$cf_ATTRIBUTE $cf_directive
+EOF
+ ;;
+ esac
+
+ if { (eval echo "$as_me:3156: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:3159: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ test -n "$verbose" && echo "$as_me:3161: result: ... $cf_attribute" >&5
+echo "${ECHO_T}... $cf_attribute" >&6
+ cat conftest.h >>confdefs.h
+ case $cf_attribute in
+ (noreturn)
+
+cat >>confdefs.h <<EOF
+#define GCC_NORETURN $cf_directive
+EOF
+
+ ;;
+ (printf)
+ cf_value='/* nothing */'
+ if test "$cf_printf_attribute" != no ; then
+ cf_value='__attribute__((format(printf,fmt,var)))'
+
+cat >>confdefs.h <<\EOF
+#define GCC_PRINTF 1
+EOF
+
+ fi
+
+cat >>confdefs.h <<EOF
+#define GCC_PRINTFLIKE(fmt,var) $cf_value
+EOF
+
+ ;;
+ (scanf)
+ cf_value='/* nothing */'
+ if test "$cf_scanf_attribute" != no ; then
+ cf_value='__attribute__((format(scanf,fmt,var)))'
+
+cat >>confdefs.h <<\EOF
+#define GCC_SCANF 1
+EOF
+
+ fi
+
+cat >>confdefs.h <<EOF
+#define GCC_SCANFLIKE(fmt,var) $cf_value
+EOF
+
+ ;;
+ (unused)
+
+cat >>confdefs.h <<EOF
+#define GCC_UNUSED $cf_directive
+EOF
+
+ ;;
+ esac
+ fi
+ done
+else
+ fgrep define conftest.i >>confdefs.h
+fi
+rm -rf conftest*
+fi
+
+echo "$as_me:3220: checking if you want to work around bogus compiler/loader warnings" >&5
+echo $ECHO_N "checking if you want to work around bogus compiler/loader warnings... $ECHO_C" >&6
+
+# Check whether --enable-string-hacks or --disable-string-hacks was given.
+if test "${enable_string_hacks+set}" = set; then
+ enableval="$enable_string_hacks"
+ with_string_hacks=$enableval
+else
+ with_string_hacks=no
+fi;
+echo "$as_me:3230: result: $with_string_hacks" >&5
+echo "${ECHO_T}$with_string_hacks" >&6
+
+if test "x$with_string_hacks" = "xyes"; then
+
+cat >>confdefs.h <<\EOF
+#define USE_STRING_HACKS 1
+EOF
+
+ { echo "$as_me:3239: WARNING: enabling string-hacks to work around bogus compiler/loader warnings" >&5
+echo "$as_me: WARNING: enabling string-hacks to work around bogus compiler/loader warnings" >&2;}
+ echo "$as_me:3241: checking for strlcat" >&5
+echo $ECHO_N "checking for strlcat... $ECHO_C" >&6
+if test "${ac_cv_func_strlcat+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 3247 "configure"
+#include "confdefs.h"
+#define strlcat autoconf_temporary
+#include <limits.h> /* least-intrusive standard header which defines gcc2 __stub macros */
+#undef strlcat
+
+#ifdef __cplusplus
+extern "C"
+#endif
+
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char strlcat (void);
+
+int
+main (void)
+{
+
+/* The GNU C library defines stubs for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined (__stub_strlcat) || defined (__stub___strlcat)
+#error found stub for strlcat
+#endif
+
+ return strlcat ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:3278: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:3281: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:3284: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:3287: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_func_strlcat=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_func_strlcat=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:3297: result: $ac_cv_func_strlcat" >&5
+echo "${ECHO_T}$ac_cv_func_strlcat" >&6
+if test $ac_cv_func_strlcat = yes; then
+
+cat >>confdefs.h <<\EOF
+#define HAVE_STRLCAT 1
+EOF
+
+else
+
+ echo "$as_me:3307: checking for strlcat in -lbsd" >&5
+echo $ECHO_N "checking for strlcat in -lbsd... $ECHO_C" >&6
+if test "${ac_cv_lib_bsd_strlcat+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lbsd $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+#line 3315 "configure"
+#include "confdefs.h"
+
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char strlcat ();
+int
+main (void)
+{
+strlcat ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:3334: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:3337: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:3340: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:3343: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_lib_bsd_strlcat=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_lib_bsd_strlcat=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:3354: result: $ac_cv_lib_bsd_strlcat" >&5
+echo "${ECHO_T}$ac_cv_lib_bsd_strlcat" >&6
+if test $ac_cv_lib_bsd_strlcat = yes; then
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in -lbsd; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+ for cf_add_2lib in $cf_add_libs; do
+ if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
+ cf_add_1lib=
+ break
+ fi
+ done
+ test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
+done
+LIBS="$cf_add_libs"
+
+for ac_header in bsd/string.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+echo "$as_me:3377: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 3383 "configure"
+#include "confdefs.h"
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:3387: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ egrep -v '^ *\+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:3393: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ eval "$as_ac_Header=yes"
+else
+ echo "$as_me: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ eval "$as_ac_Header=no"
+fi
+rm -f conftest.err conftest.$ac_ext
+fi
+echo "$as_me:3412: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+EOF
+
+fi
+done
+
+cat >>confdefs.h <<\EOF
+#define HAVE_STRLCAT 1
+EOF
+
+fi
+
+fi
+
+for ac_func in strlcpy snprintf
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:3433: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 3439 "configure"
+#include "confdefs.h"
+#define $ac_func autoconf_temporary
+#include <limits.h> /* least-intrusive standard header which defines gcc2 __stub macros */
+#undef $ac_func
+
+#ifdef __cplusplus
+extern "C"
+#endif
+
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char $ac_func (void);
+
+int
+main (void)
+{
+
+/* The GNU C library defines stubs for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+#error found stub for $ac_func
+#endif
+
+ return $ac_func ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:3470: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:3473: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:3476: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:3479: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ eval "$as_ac_var=yes"
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+eval "$as_ac_var=no"
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:3489: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+ cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+EOF
+
+fi
+done
+
+fi
+
+echo "$as_me:3501: checking if the POSIX test-macros are already defined" >&5
+echo $ECHO_N "checking if the POSIX test-macros are already defined... $ECHO_C" >&6
+if test "${cf_cv_posix_visible+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cat >conftest.$ac_ext <<_ACEOF
+#line 3508 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+int
+main (void)
+{
+
+#if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \
+ && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \
+ && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \
+ && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0)
+#error conflicting symbols found
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3527: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:3530: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:3533: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:3536: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_posix_visible=no
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_posix_visible=yes
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:3547: result: $cf_cv_posix_visible" >&5
+echo "${ECHO_T}$cf_cv_posix_visible" >&6
+
+if test "$cf_cv_posix_visible" = no; then
+
+cf_XOPEN_SOURCE=600
+cf_POSIX_C_SOURCE=199506L
+cf_xopen_source=
+
+case $host_os in
+(aix[4-7]*)
+ cf_xopen_source="-D_ALL_SOURCE"
+ ;;
+(msys)
+ cf_XOPEN_SOURCE=600
+ ;;
+(darwin[0-8].*)
+ cf_xopen_source="-D_APPLE_C_SOURCE"
+ ;;
+(darwin*)
+ cf_xopen_source="-D_DARWIN_C_SOURCE"
+ cf_XOPEN_SOURCE=
+ ;;
+(freebsd*|dragonfly*|midnightbsd*)
+ # 5.x headers associate
+ # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
+ # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
+ cf_POSIX_C_SOURCE=200112L
+ cf_XOPEN_SOURCE=600
+ cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+ ;;
+(hpux11*)
+ cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
+ ;;
+(hpux*)
+ cf_xopen_source="-D_HPUX_SOURCE"
+ ;;
+(irix[56].*)
+ cf_xopen_source="-D_SGI_SOURCE"
+ cf_XOPEN_SOURCE=
+ ;;
+(linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
+
+cf_gnu_xopen_source=$cf_XOPEN_SOURCE
+
+echo "$as_me:3592: checking if this is the GNU C library" >&5
+echo $ECHO_N "checking if this is the GNU C library... $ECHO_C" >&6
+if test "${cf_cv_gnu_library+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cat >conftest.$ac_ext <<_ACEOF
+#line 3599 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+ #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
+ return 0;
+ #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
+ return 0;
+ #else
+ # error not GNU C library
+ #endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3618: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:3621: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:3624: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:3627: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_gnu_library=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_gnu_library=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:3638: result: $cf_cv_gnu_library" >&5
+echo "${ECHO_T}$cf_cv_gnu_library" >&6
+
+if test x$cf_cv_gnu_library = xyes; then
+
+ # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
+ # was changed to help a little. newlib incorporated the change about 4
+ # years later.
+ echo "$as_me:3646: checking if _DEFAULT_SOURCE can be used as a basis" >&5
+echo $ECHO_N "checking if _DEFAULT_SOURCE can be used as a basis... $ECHO_C" >&6
+if test "${cf_cv_gnu_library_219+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ cf_save="$CPPFLAGS"
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}-D_DEFAULT_SOURCE"
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 3658 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
+ return 0;
+ #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
+ return 0;
+ #else
+ # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
+ #endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3677: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:3680: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:3683: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:3686: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_gnu_library_219=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_gnu_library_219=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ CPPFLAGS="$cf_save"
+
+fi
+echo "$as_me:3698: result: $cf_cv_gnu_library_219" >&5
+echo "${ECHO_T}$cf_cv_gnu_library_219" >&6
+
+ if test "x$cf_cv_gnu_library_219" = xyes; then
+ cf_save="$CPPFLAGS"
+ echo "$as_me:3703: checking if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE" >&5
+echo $ECHO_N "checking if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE... $ECHO_C" >&6
+if test "${cf_cv_gnu_dftsrc_219+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source
+do
+case $cf_fix_cppflags in
+(no)
+ case $cf_add_cflags in
+ (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=yes
+
+ if test $cf_fix_cppflags = yes ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ elif test "${cf_tst_cflags}" = "\"'" ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ fi
+ ;;
+ esac
+ case "$CPPFLAGS" in
+ (*$cf_add_cflags)
+ ;;
+ (*)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+ sed -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?$//g'`
+
+ ;;
+ esac
+
+ test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+ cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+ (*)
+
+ test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+ cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+(yes)
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=no
+ ;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+ test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+ CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+ test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+ EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 3808 "configure"
+#include "confdefs.h"
+
+ #include <limits.h>
+ #include <sys/types.h>
+
+int
+main (void)
+{
+
+ #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
+ return 0;
+ #else
+ # error GNU C library is too old
+ #endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3828: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:3831: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:3834: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:3837: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_gnu_dftsrc_219=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_gnu_dftsrc_219=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:3848: result: $cf_cv_gnu_dftsrc_219" >&5
+echo "${ECHO_T}$cf_cv_gnu_dftsrc_219" >&6
+ test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
+ else
+ cf_cv_gnu_dftsrc_219=maybe
+ fi
+
+ if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
+
+ echo "$as_me:3857: checking if we must define _GNU_SOURCE" >&5
+echo $ECHO_N "checking if we must define _GNU_SOURCE... $ECHO_C" >&6
+if test "${cf_cv_gnu_source+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 3864 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+ #ifndef _XOPEN_SOURCE
+ #error expected _XOPEN_SOURCE to be defined
+ #endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:3879: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:3882: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:3885: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:3888: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_gnu_source=no
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_save="$CPPFLAGS"
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in -D_GNU_SOURCE
+do
+case $cf_fix_cppflags in
+(no)
+ case $cf_add_cflags in
+ (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=yes
+
+ if test $cf_fix_cppflags = yes ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ elif test "${cf_tst_cflags}" = "\"'" ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ fi
+ ;;
+ esac
+ case "$CPPFLAGS" in
+ (*$cf_add_cflags)
+ ;;
+ (*)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+ sed -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?$//g'`
+
+ ;;
+ esac
+
+ test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+ cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+ (*)
+
+ test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+ cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+(yes)
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=no
+ ;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+ test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+ CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+ test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+ EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 3995 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+ #ifdef _XOPEN_SOURCE
+ #error expected _XOPEN_SOURCE to be undefined
+ #endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4010: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4013: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4016: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4019: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_gnu_source=no
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_gnu_source=yes
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ CPPFLAGS="$cf_save"
+
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:4034: result: $cf_cv_gnu_source" >&5
+echo "${ECHO_T}$cf_cv_gnu_source" >&6
+
+ if test "$cf_cv_gnu_source" = yes
+ then
+ echo "$as_me:4039: checking if we should also define _DEFAULT_SOURCE" >&5
+echo $ECHO_N "checking if we should also define _DEFAULT_SOURCE... $ECHO_C" >&6
+if test "${cf_cv_default_source+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}-D_GNU_SOURCE"
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4049 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+ #ifdef _DEFAULT_SOURCE
+ #error expected _DEFAULT_SOURCE to be undefined
+ #endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4064: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4067: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4070: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4073: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_default_source=no
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_default_source=yes
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:4084: result: $cf_cv_default_source" >&5
+echo "${ECHO_T}$cf_cv_default_source" >&6
+ if test "$cf_cv_default_source" = yes
+ then
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}-D_DEFAULT_SOURCE"
+
+ fi
+ fi
+ fi
+
+fi
+
+ ;;
+(minix*)
+ cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
+ ;;
+(mirbsd*)
+ # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
+ cf_XOPEN_SOURCE=
+
+if test "$cf_cv_posix_visible" = no; then
+
+cf_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE
+
+cf_save_CFLAGS="$CFLAGS"
+cf_save_CPPFLAGS="$CPPFLAGS"
+
+cf_trim_CFLAGS=`echo "$cf_save_CFLAGS" | \
+ sed -e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ ]*\)\?$//g'`
+
+cf_trim_CPPFLAGS=`echo "$cf_save_CPPFLAGS" | \
+ sed -e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ ]*\)\?$//g'`
+
+echo "$as_me:4121: checking if we should define _POSIX_C_SOURCE" >&5
+echo $ECHO_N "checking if we should define _POSIX_C_SOURCE... $ECHO_C" >&6
+if test "${cf_cv_posix_c_source+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+echo "${as_me:-configure}:4127: testing if the symbol is already defined go no further ..." 1>&5
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4130 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+#ifndef _POSIX_C_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4145: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4148: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4151: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4154: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_posix_c_source=no
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_want_posix_source=no
+ case .$cf_POSIX_C_SOURCE in
+ (.[12]??*)
+ cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
+ ;;
+ (.2)
+ cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
+ cf_want_posix_source=yes
+ ;;
+ (.*)
+ cf_want_posix_source=yes
+ ;;
+ esac
+ if test "$cf_want_posix_source" = yes ; then
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4175 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+#ifdef _POSIX_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4190: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4193: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4196: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4199: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE"
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ fi
+
+echo "${as_me:-configure}:4210: testing ifdef from value $cf_POSIX_C_SOURCE ..." 1>&5
+
+ CFLAGS="$cf_trim_CFLAGS"
+ CPPFLAGS="$cf_trim_CPPFLAGS"
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}$cf_cv_posix_c_source"
+
+echo "${as_me:-configure}:4218: testing if the second compile does not leave our definition intact error ..." 1>&5
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4221 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+#ifndef _POSIX_C_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4236: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4239: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4242: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4245: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_posix_c_source=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="$cf_save_CFLAGS"
+ CPPFLAGS="$cf_save_CPPFLAGS"
+
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:4261: result: $cf_cv_posix_c_source" >&5
+echo "${ECHO_T}$cf_cv_posix_c_source" >&6
+
+if test "$cf_cv_posix_c_source" != no ; then
+ CFLAGS="$cf_trim_CFLAGS"
+ CPPFLAGS="$cf_trim_CPPFLAGS"
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $cf_cv_posix_c_source
+do
+case $cf_fix_cppflags in
+(no)
+ case $cf_add_cflags in
+ (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=yes
+
+ if test $cf_fix_cppflags = yes ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ elif test "${cf_tst_cflags}" = "\"'" ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ fi
+ ;;
+ esac
+ case "$CPPFLAGS" in
+ (*$cf_add_cflags)
+ ;;
+ (*)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+ sed -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?$//g'`
+
+ ;;
+ esac
+
+ test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+ cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+ (*)
+
+ test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+ cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+(yes)
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=no
+ ;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+ test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+ CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+ test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+ EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+fi
+
+fi # cf_cv_posix_visible
+
+ ;;
+(netbsd*)
+ cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
+ ;;
+(openbsd[4-9]*)
+ # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
+ cf_xopen_source="-D_BSD_SOURCE"
+ cf_XOPEN_SOURCE=600
+ ;;
+(openbsd*)
+ # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
+ ;;
+(osf[45]*)
+ cf_xopen_source="-D_OSF_SOURCE"
+ ;;
+(nto-qnx*)
+ cf_xopen_source="-D_QNX_SOURCE"
+ ;;
+(sco*)
+ # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
+ ;;
+(solaris2.*)
+ cf_xopen_source="-D__EXTENSIONS__"
+ cf_cv_xopen_source=broken
+ ;;
+(sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
+ cf_XOPEN_SOURCE=
+ cf_POSIX_C_SOURCE=
+ ;;
+(*)
+
+echo "$as_me:4401: checking if we should define _XOPEN_SOURCE" >&5
+echo $ECHO_N "checking if we should define _XOPEN_SOURCE... $ECHO_C" >&6
+if test "${cf_cv_xopen_source+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4408 "configure"
+#include "confdefs.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+int
+main (void)
+{
+
+#ifndef _XOPEN_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4427: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4430: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4433: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4436: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_xopen_source=no
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_save="$CPPFLAGS"
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4448 "configure"
+#include "confdefs.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+int
+main (void)
+{
+
+#ifdef _XOPEN_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4467: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4470: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4473: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4476: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_xopen_source=no
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_xopen_source=$cf_XOPEN_SOURCE
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ CPPFLAGS="$cf_save"
+
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:4491: result: $cf_cv_xopen_source" >&5
+echo "${ECHO_T}$cf_cv_xopen_source" >&6
+
+if test "$cf_cv_xopen_source" != no ; then
+
+CFLAGS=`echo "$CFLAGS" | \
+ sed -e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ ]*\)\?$//g'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+ sed -e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ ]*\)\?$//g'`
+
+ cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $cf_temp_xopen_source
+do
+case $cf_fix_cppflags in
+(no)
+ case $cf_add_cflags in
+ (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=yes
+
+ if test $cf_fix_cppflags = yes ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ elif test "${cf_tst_cflags}" = "\"'" ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ fi
+ ;;
+ esac
+ case "$CPPFLAGS" in
+ (*$cf_add_cflags)
+ ;;
+ (*)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+ sed -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?$//g'`
+
+ ;;
+ esac
+
+ test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+ cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+ (*)
+
+ test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+ cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+(yes)
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=no
+ ;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+ test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+ CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+ test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+ EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+fi
+
+if test "$cf_cv_posix_visible" = no; then
+
+cf_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE
+
+cf_save_CFLAGS="$CFLAGS"
+cf_save_CPPFLAGS="$CPPFLAGS"
+
+cf_trim_CFLAGS=`echo "$cf_save_CFLAGS" | \
+ sed -e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ ]*\)\?$//g'`
+
+cf_trim_CPPFLAGS=`echo "$cf_save_CPPFLAGS" | \
+ sed -e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ ]*\)\?$//g'`
+
+echo "$as_me:4621: checking if we should define _POSIX_C_SOURCE" >&5
+echo $ECHO_N "checking if we should define _POSIX_C_SOURCE... $ECHO_C" >&6
+if test "${cf_cv_posix_c_source+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+echo "${as_me:-configure}:4627: testing if the symbol is already defined go no further ..." 1>&5
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4630 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+#ifndef _POSIX_C_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4645: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4648: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4651: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4654: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_posix_c_source=no
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_want_posix_source=no
+ case .$cf_POSIX_C_SOURCE in
+ (.[12]??*)
+ cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
+ ;;
+ (.2)
+ cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
+ cf_want_posix_source=yes
+ ;;
+ (.*)
+ cf_want_posix_source=yes
+ ;;
+ esac
+ if test "$cf_want_posix_source" = yes ; then
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4675 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+#ifdef _POSIX_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4690: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4693: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4696: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4699: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE"
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ fi
+
+echo "${as_me:-configure}:4710: testing ifdef from value $cf_POSIX_C_SOURCE ..." 1>&5
+
+ CFLAGS="$cf_trim_CFLAGS"
+ CPPFLAGS="$cf_trim_CPPFLAGS"
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}$cf_cv_posix_c_source"
+
+echo "${as_me:-configure}:4718: testing if the second compile does not leave our definition intact error ..." 1>&5
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4721 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+#ifndef _POSIX_C_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:4736: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:4739: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:4742: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:4745: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_posix_c_source=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="$cf_save_CFLAGS"
+ CPPFLAGS="$cf_save_CPPFLAGS"
+
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:4761: result: $cf_cv_posix_c_source" >&5
+echo "${ECHO_T}$cf_cv_posix_c_source" >&6
+
+if test "$cf_cv_posix_c_source" != no ; then
+ CFLAGS="$cf_trim_CFLAGS"
+ CPPFLAGS="$cf_trim_CPPFLAGS"
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $cf_cv_posix_c_source
+do
+case $cf_fix_cppflags in
+(no)
+ case $cf_add_cflags in
+ (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=yes
+
+ if test $cf_fix_cppflags = yes ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ elif test "${cf_tst_cflags}" = "\"'" ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ fi
+ ;;
+ esac
+ case "$CPPFLAGS" in
+ (*$cf_add_cflags)
+ ;;
+ (*)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+ sed -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?$//g'`
+
+ ;;
+ esac
+
+ test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+ cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+ (*)
+
+ test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+ cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+(yes)
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=no
+ ;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+ test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+ CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+ test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+ EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+fi
+
+fi # cf_cv_posix_visible
+
+ ;;
+esac
+
+if test -n "$cf_xopen_source" ; then
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $cf_xopen_source
+do
+case $cf_fix_cppflags in
+(no)
+ case $cf_add_cflags in
+ (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=yes
+
+ if test $cf_fix_cppflags = yes ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ elif test "${cf_tst_cflags}" = "\"'" ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ fi
+ ;;
+ esac
+ case "$CPPFLAGS" in
+ (*$cf_add_cflags)
+ ;;
+ (*)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+ sed -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?$//g'`
+
+ ;;
+ esac
+
+ test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+ cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+ (*)
+
+ test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+ cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+(yes)
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=no
+ ;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+ test -n "$verbose" && echo " add to \$CFLAGS $cf_new_cflags" 1>&6
+
+echo "${as_me:-configure}:4955: testing add to \$CFLAGS $cf_new_cflags ..." 1>&5
+
+ test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+ CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+ test -n "$verbose" && echo " add to \$CPPFLAGS $cf_new_cppflags" 1>&6
+
+echo "${as_me:-configure}:4965: testing add to \$CPPFLAGS $cf_new_cppflags ..." 1>&5
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+ test -n "$verbose" && echo " add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags" 1>&6
+
+echo "${as_me:-configure}:4975: testing add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags ..." 1>&5
+
+ test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+ EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+fi
+
+if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
+ echo "$as_me:4985: checking if _XOPEN_SOURCE really is set" >&5
+echo $ECHO_N "checking if _XOPEN_SOURCE really is set... $ECHO_C" >&6
+ cat >conftest.$ac_ext <<_ACEOF
+#line 4988 "configure"
+#include "confdefs.h"
+#include <stdlib.h>
+int
+main (void)
+{
+
+#ifndef _XOPEN_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:5003: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:5006: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:5009: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:5012: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_XOPEN_SOURCE_set=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_XOPEN_SOURCE_set=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ echo "$as_me:5021: result: $cf_XOPEN_SOURCE_set" >&5
+echo "${ECHO_T}$cf_XOPEN_SOURCE_set" >&6
+ if test $cf_XOPEN_SOURCE_set = yes
+ then
+ cat >conftest.$ac_ext <<_ACEOF
+#line 5026 "configure"
+#include "confdefs.h"
+#include <stdlib.h>
+int
+main (void)
+{
+
+#if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:5041: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:5044: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:5047: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:5050: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_XOPEN_SOURCE_set_ok=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_XOPEN_SOURCE_set_ok=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ if test $cf_XOPEN_SOURCE_set_ok = no
+ then
+ { echo "$as_me:5061: WARNING: _XOPEN_SOURCE is lower than requested" >&5
+echo "$as_me: WARNING: _XOPEN_SOURCE is lower than requested" >&2;}
+ fi
+ else
+
+echo "$as_me:5066: checking if we should define _XOPEN_SOURCE" >&5
+echo $ECHO_N "checking if we should define _XOPEN_SOURCE... $ECHO_C" >&6
+if test "${cf_cv_xopen_source+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 5073 "configure"
+#include "confdefs.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+int
+main (void)
+{
+
+#ifndef _XOPEN_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:5092: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:5095: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:5098: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:5101: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_xopen_source=no
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_save="$CPPFLAGS"
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 5113 "configure"
+#include "confdefs.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+int
+main (void)
+{
+
+#ifdef _XOPEN_SOURCE
+make an error
+#endif
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:5132: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:5135: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:5138: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:5141: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_xopen_source=no
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_xopen_source=$cf_XOPEN_SOURCE
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ CPPFLAGS="$cf_save"
+
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:5156: result: $cf_cv_xopen_source" >&5
+echo "${ECHO_T}$cf_cv_xopen_source" >&6
+
+if test "$cf_cv_xopen_source" != no ; then
+
+CFLAGS=`echo "$CFLAGS" | \
+ sed -e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ ]*\)\?$//g'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+ sed -e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"_XOPEN_SOURCE"'\(=[^ ]*\)\?$//g'`
+
+ cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $cf_temp_xopen_source
+do
+case $cf_fix_cppflags in
+(no)
+ case $cf_add_cflags in
+ (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=yes
+
+ if test $cf_fix_cppflags = yes ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ elif test "${cf_tst_cflags}" = "\"'" ; then
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ continue
+ fi
+ ;;
+ esac
+ case "$CPPFLAGS" in
+ (*$cf_add_cflags)
+ ;;
+ (*)
+ case $cf_add_cflags in
+ (-D*)
+ cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+ sed -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?[ ]/ /g' \
+ -e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ ]*\)\?$//g'`
+
+ ;;
+ esac
+
+ test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+ cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+ (*)
+
+ test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+ cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+ ;;
+ esac
+ ;;
+(yes)
+
+ test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+ cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+
+ test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=no
+ ;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+ test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+ CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+ test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+ CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+ test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+ EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+fi
+
+ fi
+fi
+fi # cf_cv_posix_visible
+
+echo "$as_me:5275: checking for signal global datatype" >&5
+echo $ECHO_N "checking for signal global datatype... $ECHO_C" >&6
+if test "${cf_cv_sig_atomic_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ for cf_type in \
+ "volatile sig_atomic_t" \
+ "sig_atomic_t" \
+ "int"
+ do
+ cat >conftest.$ac_ext <<_ACEOF
+#line 5287 "configure"
+#include "confdefs.h"
+
+#include <sys/types.h>
+#include <signal.h>
+#include <stdio.h>
+
+extern $cf_type x;
+$cf_type x;
+static void handler(int sig)
+{
+ x = 5;
+}
+int
+main (void)
+{
+signal(SIGINT, handler);
+ x = 1
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:5310: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:5313: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:5316: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:5319: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_sig_atomic_t=$cf_type
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_sig_atomic_t=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ test "$cf_cv_sig_atomic_t" != no && break
+ done
+
+fi
+
+echo "$as_me:5333: result: $cf_cv_sig_atomic_t" >&5
+echo "${ECHO_T}$cf_cv_sig_atomic_t" >&6
+test "$cf_cv_sig_atomic_t" != no &&
+cat >>confdefs.h <<EOF
+#define SIG_ATOMIC_T $cf_cv_sig_atomic_t
+EOF
+
+# Work around breakage on OS X
+
+echo "$as_me:5342: checking if SIGWINCH is defined" >&5
+echo $ECHO_N "checking if SIGWINCH is defined... $ECHO_C" >&6
+if test "${cf_cv_define_sigwinch+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 5349 "configure"
+#include "confdefs.h"
+
+#include <sys/types.h>
+#include <sys/signal.h>
+
+int
+main (void)
+{
+int x = SIGWINCH
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:5364: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:5367: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:5370: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:5373: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_define_sigwinch=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cat >conftest.$ac_ext <<_ACEOF
+#line 5380 "configure"
+#include "confdefs.h"
+
+#undef _XOPEN_SOURCE
+#undef _POSIX_SOURCE
+#undef _POSIX_C_SOURCE
+#include <sys/types.h>
+#include <sys/signal.h>
+
+int
+main (void)
+{
+int x = SIGWINCH
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:5398: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:5401: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:5404: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:5407: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_define_sigwinch=maybe
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_define_sigwinch=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:5421: result: $cf_cv_define_sigwinch" >&5
+echo "${ECHO_T}$cf_cv_define_sigwinch" >&6
+
+if test "$cf_cv_define_sigwinch" = maybe ; then
+echo "$as_me:5425: checking for actual SIGWINCH definition" >&5
+echo $ECHO_N "checking for actual SIGWINCH definition... $ECHO_C" >&6
+if test "${cf_cv_fixup_sigwinch+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_cv_fixup_sigwinch=unknown
+cf_sigwinch=32
+while test $cf_sigwinch != 1
+do
+ cat >conftest.$ac_ext <<_ACEOF
+#line 5436 "configure"
+#include "confdefs.h"
+
+#undef _XOPEN_SOURCE
+#undef _POSIX_SOURCE
+#undef _POSIX_C_SOURCE
+#include <sys/types.h>
+#include <sys/signal.h>
+
+int
+main (void)
+{
+
+#if SIGWINCH != $cf_sigwinch
+make an error