@@ -1,11 +1,15 @@
 // Assembly language support for sparc CPU.
 // Bruno Haible 29.5.1999
 
 #ifdef ASM_UNDERSCORE
 // SunOS4, Linux/a.out
+#ifdef __STDC__
 #define C(entrypoint) _##entrypoint
+#else
+#define C(entrypoint) _/**/entrypoint
+#endif
 #else
 // Solaris, Linux/ELF
 #define C(entrypoint) entrypoint
 #endif