@@ -1,10 +1,14 @@
 // Assembly language support for arm CPU.
 // Bruno Haible 29.5.1999
 
 #ifdef ASM_UNDERSCORE
+#ifdef __STDC__
 #define C(entrypoint) _##entrypoint
+#else
+#define C(entrypoint) _/**/entrypoint
+#endif
 #else
 #define C(entrypoint) entrypoint
 #endif
 
 // When assembly language code is compiled into a shared library, ELF linkers