? 1.txt
Index: src/POSIX/FSUnixC.c
===================================================================
RCS file: /usr/cvs/cm3/m3-libs/sysutils/src/POSIX/FSUnixC.c,v
retrieving revision 1.6
diff -u -r1.6 FSUnixC.c
--- src/POSIX/FSUnixC.c	3 Apr 2010 14:39:19 -0000	1.6
+++ src/POSIX/FSUnixC.c	20 May 2010 14:53:41 -0000
@@ -19,10 +19,10 @@
 #ifndef _ALL_SOURCE
 #define _ALL_SOURCE
 #endif
+#endif
 #ifndef _REENTRANT
 #define _REENTRANT
 #endif
-#endif
 
 #ifdef _WIN32
 #include <io.h>
@@ -30,6 +30,14 @@
 #include <unistd.h>
 #endif
 
+#if __GNUC__ >= 4
+#ifdef __APPLE__
+#pragma GCC visibility push(default)
+#else
+#pragma GCC visibility push(protected)
+#endif
+#endif
+
 #ifdef __cplusplus
 extern "C"
 {
Index: src/POSIX/SystemPosixC.c
===================================================================
RCS file: /usr/cvs/cm3/m3-libs/sysutils/src/POSIX/SystemPosixC.c,v
retrieving revision 1.5
diff -u -r1.5 SystemPosixC.c
--- src/POSIX/SystemPosixC.c	10 Feb 2010 10:51:40 -0000	1.5
+++ src/POSIX/SystemPosixC.c	20 May 2010 14:53:41 -0000
@@ -8,10 +8,10 @@
 #ifndef _ALL_SOURCE
 #define _ALL_SOURCE
 #endif
+#endif
 #ifndef _REENTRANT
 #define _REENTRANT
 #endif
-#endif
 
 #include <sys/wait.h>
 #include <stddef.h>
@@ -29,6 +29,16 @@
 /cm3/pkg/sysutils/LINUXLIBC6/libsysutils.so: undefined reference to `Unix__gethostname'
 */
 
+/* http://gcc.gnu.org/wiki/Visibility */
+/* Generic helper definitions for shared library support */
+#if __GNUC__ >= 4
+#ifdef __APPLE__
+#pragma GCC visibility push(default)
+#else
+#pragma GCC visibility push(protected)
+#endif
+#endif
+
 #ifdef __cplusplus
 extern "C"
 {