new attempt at working around the gcc 3 visibility bug

[musl] / src / internal / libc.h

diff --git a/src/internal/libc.h b/src/internal/libc.h
index d985902..39a1865 100644 (file)
--- a/src/internal/libc.h
+++ b/src/internal/libc.h
@@ -19,16 +19,24 @@ struct __libc {
 };
 
 
-#if 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__)
-extern struct __libc __libc __attribute__((visibility("hidden")));
-#define libc __libc
+#if !defined(__PIC__) || 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__)
+
+#ifdef __PIC__
+#if __GNUC__ < 4
+#define BROKEN_VISIBILITY 1
+#endif
+#define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden"))) 
+#else
+#define ATTR_LIBC_VISIBILITY
+#endif
 
-#elif !defined(__PIC__)
-extern struct __libc __libc;
+extern struct __libc __libc ATTR_LIBC_VISIBILITY;
 #define libc __libc
 
 #else
+
 #define USE_LIBC_ACCESSOR
+#define ATTR_LIBC_VISIBILITY
 extern struct __libc *__libc_loc(void) __attribute__((const));
 #define libc (*__libc_loc())