+
+USE_THREADS=1
+THREADS_LINK=""
+UNIX_THREAD=""
+
+# Check whether --with-threads or --without-threads was given.
+if test "${with_threads+set}" = set; then
+ withval="$with_threads"
+ USE_THREADS="$withval"
+fi
+
+
+if test "$USE_THREADS" = "1"; then
+ UNIX_THREAD="gtk/threadno.cpp"
+
+
+ echo $ac_n "checking for pthread_create in -lpthread-0.7""... $ac_c" 1>&6
+echo "configure:3790: checking for pthread_create in -lpthread-0.7" >&5
+ac_lib_var=`echo pthread-0.7'_'pthread_create | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-lpthread-0.7 $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3798 "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 pthread_create();
+
+int main() {
+pthread_create()
+; return 0; }
+EOF
+if { (eval echo configure:3809: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+ rm -rf conftest*
+ eval "ac_cv_lib_$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
+
+ UNIX_THREAD="gtk/threadpsx.cpp"
+ THREADS_LINK="-lpthread-0.7"
+ cat >> confdefs.h <<\EOF
+#define USE_THREADS 1
+EOF
+
+
+else
+ echo "$ac_t""no" 1>&6
+
+ echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
+echo "configure:3836: checking for pthread_create in -lpthread" >&5
+ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-lpthread $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3844 "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 pthread_create();
+
+int main() {
+pthread_create()
+; return 0; }
+EOF
+if { (eval echo configure:3855: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+ rm -rf conftest*
+ eval "ac_cv_lib_$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
+
+ UNIX_THREAD="gtk/threadpsx.cpp"
+ THREADS_LINK="-lpthread"
+ cat >> confdefs.h <<\EOF
+#define USE_THREADS 1
+EOF
+
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+
+fi
+
+ echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
+echo "configure:3886: checking for pthread_create in -lpthreads" >&5
+ac_lib_var=`echo pthreads'_'pthread_create | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-lpthreads $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3894 "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 pthread_create();
+
+int main() {
+pthread_create()
+; return 0; }
+EOF
+if { (eval echo configure:3905: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+ rm -rf conftest*
+ eval "ac_cv_lib_$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
+
+ UNIX_THREAD="gtk/threadpsx.cpp"
+ THREADS_LINK="-lpthreads"
+ cat >> confdefs.h <<\EOF
+#define USE_THREADS 1
+EOF
+
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ ac_safe=`echo "sys/prctl.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for sys/prctl.h""... $ac_c" 1>&6
+echo "configure:3934: checking for sys/prctl.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 3939 "configure"
+#include "confdefs.h"
+#include <sys/prctl.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:3944: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$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 "$ac_t""yes" 1>&6
+
+ UNIX_THREAD="gtk/threadsgi.cpp"
+ cat >> confdefs.h <<\EOF
+#define USE_THREADS 1
+EOF
+
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+fi
+
+
+
+