--- rpl/Attic/configure	2011/09/17 10:38:30	1.84
+++ rpl/Attic/configure	2011/09/21 09:09:21	1.85
@@ -6004,9 +6004,17 @@ else
 	IPCS_SYSV=yes
 fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for POSIX semaphores" >&5
-$as_echo_n "checking for POSIX semaphores... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  REG=$LDFLAGS
+LDFLAGS=-lrt
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for POSIX semaphores and shared objects" >&5
+$as_echo_n "checking for POSIX semaphores and shared objects... " >&6; }
+if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/mman.h>
 #include <sys/stat.h>
@@ -6015,17 +6023,20 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_
 int
 main ()
 {
- int fd; char *sem = "/sem.test";
+ int fd; char *sem = "/test";
 fd = shm_open(sem , O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
   close(fd);
   shm_unlink(sem);
+  fd = sem_open(sem, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR, 0);
+  close(fd);
+  sem_unlink(sem);
   return(0);
 
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_run "$LINENO"; then :
   IPCS_SYSV=-UIPCS_SYSV; { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 else
@@ -6033,7 +6044,11 @@ else
 $as_echo "no" >&6; }
 
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+LDFLAGS=$REG
 
 fi