--- apr-util-1.5.3.orig/include/apu.h.in
+++ apr-util-1.5.3/include/apu.h.in
@@ -50,14 +50,14 @@
  *
  * @fn APU_DECLARE(rettype) apr_func(args);
  */
-#define APU_DECLARE(type)            type
+#define APU_DECLARE(type)            __attribute__ ((visibility ("default"))) type
 /**
  * The public APR-UTIL functions using variable arguments are declared with 
  * APU_DECLARE_NONSTD(), as they must use the C language calling convention.
  *
  * @fn APU_DECLARE_NONSTD(rettype) apr_func(args, ...);
  */
-#define APU_DECLARE_NONSTD(type)     type
+#define APU_DECLARE_NONSTD(type)     __attribute__ ((visibility ("default"))) type
 /**
  * The public APR-UTIL variables are declared with APU_DECLARE_DATA.
  * This assures the appropriate indirection is invoked at compile time.
@@ -66,7 +66,7 @@
  * @note APU_DECLARE_DATA extern type apr_variable; syntax is required for
  * declarations within headers to properly import the variable.
  */
-#define APU_DECLARE_DATA
+#define APU_DECLARE_DATA            __attribute__ ((visibility ("default")))
 #elif defined(APU_DECLARE_STATIC)
 #define APU_DECLARE(type)            type __stdcall
 #define APU_DECLARE_NONSTD(type)     type __cdecl
@@ -91,7 +91,7 @@
  * module APU_MODULE_DECLARE_DATA mod_tag
  * @endcode
  */
-#define APU_MODULE_DECLARE_DATA
+#define APU_MODULE_DECLARE_DATA         __attribute__ ((visibility ("default")))
 #else
 #define APU_MODULE_DECLARE_DATA           __declspec(dllexport)
 #endif