# DP: Assume working semaphores, don't rely on running kernel for the check.

--- a/configure.in
+++ b/configure.in
@@ -3486,6 +3486,11 @@
    ac_cv_posix_semaphores_enabled=no,
    ac_cv_posix_semaphores_enabled=yes)
 )
+case $ac_sys_system in
+  Linux*)
+    # assume enabled, see https://launchpad.net/bugs/630511
+    ac_cv_posix_semaphores_enabled=yes
+esac
 AC_MSG_RESULT($ac_cv_posix_semaphores_enabled)
 if test $ac_cv_posix_semaphores_enabled = no
 then
@@ -3517,10 +3522,15 @@
   return res==-1 ? 1 : 0;
 }
 ]
-,AC_MSG_RESULT(no),
- AC_MSG_RESULT(yes)
-  AC_DEFINE(HAVE_BROKEN_SEM_GETVALUE, 1, define to 1 if your sem_getvalue is broken.)
-)
+,AC_MSG_RESULT(no),[
+  case $ac_sys_system in
+    Linux*) # assume enabled, see https://launchpad.net/bugs/630511
+      AC_MSG_RESULT(no);;
+    *)
+      AC_MSG_RESULT(yes)
+      AC_DEFINE(HAVE_BROKEN_SEM_GETVALUE, 1, [define to 1 if your sem_getvalue is broken.])
+  esac
+])
 
 # determine what size digit to use for Python's longs
 AC_MSG_CHECKING([digit size for Python's longs])