Disable symbol visibility pragmas for FreeBSD

Do not use GCC pragmas for controlling visibility, because it causes
"undefined reference" errors at link-time.  The true reasons are
unknown, however FreeBSD 8.x includes GCC 4.2.1 in the base system,
which might be buggy.

diff --git a/rts/BeginPrivate.h b/rts/BeginPrivate.h
index 3ba4b89..4d7b121 100644 (file)
--- a/rts/BeginPrivate.h
+++ b/rts/BeginPrivate.h
@@ -1,3 +1,7 @@
-#if __GNUC__ >= 4
+/* We don't use symbol visibility pragmas on FreeBSD, because it causes
+   "undefined reference" errors at link-time.  The true reasons are
+   unknown, however FreeBSD 8.x includes GCC 4.2.1 in the base system,
+   which might be buggy. */
+#if __GNUC__ >= 4 && !defined(freebsd_HOST_OS)
 #pragma GCC visibility push(hidden)
 #endif

diff --git a/rts/EndPrivate.h b/rts/EndPrivate.h
index ac9df04..1d8a6b4 100644 (file)
--- a/rts/EndPrivate.h
+++ b/rts/EndPrivate.h
@@ -1,3 +1,3 @@
-#if __GNUC__ >= 4
+#if __GNUC__ >= 4 && !defined(freebsd_HOST_OS)
 #pragma GCC visibility pop
 #endif