# Use __nonnull only on glibc system
# Closes: https://bugs.gentoo.org/832980
--- a/shm.c
+++ b/shm.c
@@ -35,6 +35,12 @@
 #endif

 #ifdef HAVE_SHMGET_SYSCALL
+
+/* define __THROW to avoid build issue when it's not available from the libc */
+#ifndef __THROW
+#define __THROW
+#endif
+
 /*
  * The calls to dlsym() and dlerror() in the shmget() wrapper below force
  * a dependency on libdl.so.  This does not work for static executables
@@ -48,8 +54,13 @@
  * system shmget() may be performed without worry as there is no dynamic
  * call chain.
  */
+#ifdef __GLIBC__
 extern void *dlsym (void *__restrict __handle, __const char *__restrict __name)
 		__attribute__((weak)) __THROW __nonnull ((2));
+#else
+extern void *dlsym (void *__restrict __handle, __const char *__restrict __name)
+		__attribute__((weak)) __THROW __attribute__((nonnull((2))));
+#endif // __GLIBC__
 extern char *dlerror (void) __attribute__((weak)) __THROW;