Fixes for OSX Lion

[m6w6/libmemcached] / m4 / ax_pthread.m4

diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4
index a6bf596c321312d598e125f0a701d758bc4d4d3a..e0d54ad935627dc258cd2d93a9bf79c7e72722e8 100644 (file)
--- a/m4/ax_pthread.m4
+++ b/m4/ax_pthread.m4
@@ -82,7 +82,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 16
+#serial 18
 
 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
 AC_DEFUN([AX_PTHREAD], [
@@ -145,8 +145,8 @@ ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mt
 # --thread-safe: KAI C++
 # pthread-config: use pthread-config program (for GNU Pth library)
 
-case "${host_cpu}-${host_os}" in
-        *solaris*)
+case ${host_os} in
+        solaris*)
 
         # On Solaris (at least, for some versions), libc contains stubbed
         # (non-functional) versions of the pthreads routines, so link-based
@@ -159,7 +159,11 @@ case "${host_cpu}-${host_os}" in
         ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
         ;;
 
-        *-darwin*)
+        darwin12*)
+        ax_pthread_flags="$ax_pthread_flags"
+        ;;
+
+        darwin*)
         ax_pthread_flags="-pthread $ax_pthread_flags"
         ;;
 esac
@@ -254,9 +258,16 @@ if test "x$ax_pthread_ok" = xyes; then
 
         AC_MSG_CHECKING([if more special flags are required for pthreads])
         flag=no
-        case "${host_cpu}-${host_os}" in
-            *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";;
-            *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";;
+        case ${host_os} in
+            aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";;
+            osf* | hpux*) flag="-D_REENTRANT";;
+            solaris*)
+            if test "$GCC" = "yes"; then
+                flag="-D_REENTRANT"
+            else
+                flag="-mt -D_REENTRANT"
+            fi
+            ;;
         esac
         AC_MSG_RESULT(${flag})
         if test "x$flag" != xno; then