+rm -fr conftest*
+fi
+
+fi
+
+echo "$ac_t""$ol_cv_pthread_select_yields" 1>&6
+
+ if test $ol_cv_pthread_select_yields = cross ; then
+ { echo "configure: error: crossing compiling: use --with-yielding_select=yes|no|manual" 1>&2; exit 1; }
+ fi
+
+ if test $ol_cv_pthread_select_yields = yes ; then
+ ol_with_yielding_select=yes
+ fi
+ fi
+
+ CPPFLAGS="$save_CPPFLAGS"
+ LIBS="$save_LIBS"
+ else
+ { echo "configure: error: could not locate usable POSIX Threads" 1>&2; exit 1; }
+ fi
+ fi
+
+ if test $ol_with_threads = posix ; then
+ { echo "configure: error: could not locate POSIX Threads" 1>&2; exit 1; }
+ fi
+fi
+
+if test $ol_with_threads = auto -o $ol_with_threads = yes \
+ -o $ol_with_threads = mach ; then
+
+ for ac_hdr in mach/cthreads.h cthreads.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:15768: checking for $ac_hdr" >&5
+if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 15773 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:15778: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+ rm -rf conftest*
+ eval "ac_cv_header_$ac_safe=yes"
+else
+ echo "$ac_err" >&5
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+ echo "$ac_t""yes" 1>&6
+ ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+ cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+done
+
+ if test $ac_cv_header_mach_cthreads_h = yes ; then
+ ol_with_threads=found
+
+ echo $ac_n "checking for cthread_fork""... $ac_c" 1>&6
+echo "configure:15808: checking for cthread_fork" >&5
+if eval "test \"\${ac_cv_func_cthread_fork+set}\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 15813 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char cthread_fork(); below. */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error. */
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char cthread_fork();
+char (*f)();
+
+int main() {
+
+/* The GNU C library defines this 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_cthread_fork) || defined (__stub___cthread_fork)
+choke me
+#else
+f = cthread_fork;
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:15837: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ eval "ac_cv_func_cthread_fork=yes"
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_func_cthread_fork=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'cthread_fork`\" = yes"; then
+ echo "$ac_t""yes" 1>&6
+ ol_link_threads=yes
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+
+ if test $ol_link_threads = no ; then
+ echo $ac_n "checking for cthread_fork with -all_load""... $ac_c" 1>&6
+echo "configure:15859: checking for cthread_fork with -all_load" >&5
+if eval "test \"\${ol_cv_cthread_all_load+set}\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+
+ save_LIBS="$LIBS"
+ LIBS="-all_load $LIBS"
+ cat > conftest.$ac_ext <<EOF
+#line 15867 "configure"
+#include "confdefs.h"
+#include <mach/cthreads.h>
+int main() {
+
+ cthread_fork((void *)0, (void *)0);
+
+; return 0; }
+EOF
+if { (eval echo configure:15876: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ ol_cv_cthread_all_load=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ol_cv_cthread_all_load=no
+fi
+rm -f conftest*
+ LIBS="$save_LIBS"
+
+fi
+
+echo "$ac_t""$ol_cv_cthread_all_load" 1>&6
+
+ if test $ol_cv_cthread_all_load = yes ; then
+ LTHREAD_LIBS="$LTHREAD_LIBS -all_load"
+ ol_link_threads=mach
+ ol_with_threads=found
+ fi
+ fi
+
+ elif test $ac_cv_header_cthreads_h = yes ; then
+
+ ol_with_threads=found
+
+ save_LIBS="$LIBS"
+ LIBS="$LIBS -lthreads"
+ echo $ac_n "checking for cthread_fork""... $ac_c" 1>&6
+echo "configure:15906: checking for cthread_fork" >&5
+if eval "test \"\${ac_cv_func_cthread_fork+set}\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 15911 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char cthread_fork(); below. */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error. */
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char cthread_fork();
+char (*f)();
+
+int main() {
+
+/* The GNU C library defines this 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_cthread_fork) || defined (__stub___cthread_fork)
+choke me
+#else
+f = cthread_fork;
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:15935: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ eval "ac_cv_func_cthread_fork=yes"
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_func_cthread_fork=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'cthread_fork`\" = yes"; then
+ echo "$ac_t""yes" 1>&6
+ ol_link_threads=yes
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ LIBS="$save_LIBS"
+
+ if test $ol_link_threads = yes ; then
+ LTHREAD_LIBS="-lthreads"
+ ol_link_threads=mach
+ ol_with_threads=found
+ else
+ { echo "configure: error: could not link with Mach CThreads" 1>&2; exit 1; }
+ fi
+
+ elif test $ol_with_threads = mach ; then
+ { echo "configure: error: could not locate Mach CThreads" 1>&2; exit 1; }
+ fi
+
+ if test $ol_link_threads = mach ; then
+ cat >> confdefs.h <<\EOF
+#define HAVE_MACH_CTHREADS 1
+EOF
+
+ elif test $ol_with_threads = found ; then
+ { echo "configure: error: could not link with Mach CThreads" 1>&2; exit 1; }
+ fi
+fi
+
+if test $ol_with_threads = auto -o $ol_with_threads = yes \
+ -o $ol_with_threads = pth ; then
+
+ for ac_hdr in pth.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:15985: checking for $ac_hdr" >&5
+if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 15990 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:15995: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+ rm -rf conftest*
+ eval "ac_cv_header_$ac_safe=yes"
+else
+ echo "$ac_err" >&5
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+ echo "$ac_t""yes" 1>&6
+ ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+ cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+done
+
+
+ if test $ac_cv_header_pth_h = yes ; then
+ echo $ac_n "checking for pth_version in -lpth""... $ac_c" 1>&6
+echo "configure:16024: checking for pth_version in -lpth" >&5
+ac_lib_var=`echo pth'_'pth_version | sed 'y%./+-:%__p__%'`
+if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-lpth $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 16032 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error. */
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char pth_version();
+
+int main() {
+pth_version()
+; return 0; }
+EOF
+if { (eval echo configure:16043: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ eval "ac_cv_lib_$ac_lib_var=yes"
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+ echo "$ac_t""yes" 1>&6
+ have_pth=yes
+else
+ echo "$ac_t""no" 1>&6
+have_pth=no