From fa5d245aef7087c19c375590a7ee2966a0ae339a Mon Sep 17 00:00:00 2001
From: Jason Evans <je@fb.com>
Date: Tue, 15 Mar 2011 10:25:59 -0700
Subject: [PATCH] Set default symbol visibility to hidden.

Compile with -fvisibility=hidden rather than -fvisibility=internal, in
order to avoid PLT lookups for internal functions.  Also fix a
regression that caused the -fvisibility flag to be omitted, due to:
    Port to Mac OS X.
    2dbecf1f6267fae7a161b9c39cfd4d04ce168a29
---
 jemalloc/configure.ac | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/jemalloc/configure.ac b/jemalloc/configure.ac
index 46a2bd4f..f10641bd 100644
--- a/jemalloc/configure.ac
+++ b/jemalloc/configure.ac
@@ -157,17 +157,6 @@ case "${host_cpu}" in
 esac
 AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT])
 
-JE_COMPILABLE([__attribute__ syntax],
-              [static __attribute__((unused)) void foo(void){}],
-              [],
-              [attribute])
-if test "x${attribute}" = "xyes" ; then
-  AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ])
-  if test "x$GCC" = "xyes" -a "${abi}" = "xelf"; then
-    JE_CFLAGS_APPEND([-fvisibility=internal])
-  fi
-fi
-
 dnl Platform-specific settings.  abi and RPATH can probably be determined
 dnl programmatically, but doing so is error-prone, which makes it generally
 dnl not worth the trouble.
@@ -227,6 +216,17 @@ esac
 AC_SUBST([abi])
 AC_SUBST([RPATH])
 
+JE_COMPILABLE([__attribute__ syntax],
+              [static __attribute__((unused)) void foo(void){}],
+              [],
+              [attribute])
+if test "x${attribute}" = "xyes" ; then
+  AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ])
+  if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then
+    JE_CFLAGS_APPEND([-fvisibility=hidden])
+  fi
+fi
+
 JE_COMPILABLE([mremap(...MREMAP_FIXED...)], [
 #define _GNU_SOURCE
 #include <sys/mman.h>