--- a/gcc/config/i386/linux.h
+++ b/gcc/config/i386/linux.h
@@ -218,6 +218,8 @@ Boston, MA 02111-1307, USA.  */
 /* Do code reading to identify a signal frame, and set the frame
    state data appropriately.  See unwind-dw2.c for the structs.  */
 
+#ifndef inhibit_libc
+
 #ifdef IN_LIBGCC2
 /* There's no sys/ucontext.h for some (all?) libc1, so no
    signal-turned-exceptions for them.  There's also no configure-run for
@@ -282,3 +284,5 @@ Boston, MA 02111-1307, USA.  */
   } while (0)
 #endif /* not USE_GNULIBC_1 */
 #endif /* IN_LIBGCC2 */
+
+#endif /* !inhibit_libc */