> 2021-01-04 Bruno Haible <br...@clisp.org>
>
> libc-config: Avoid overriding the headers from an installed newer glibc.
> Reported by Paul E Murphy <murp...@linux.ibm.com> in
> <https://lists.gnu.org/archive/html/bug-gnulib/2020-12/msg00106.html>.
> * lib/cdefs.h: Use a different include guard than glibc's <sys/cdefs.h>.
Oops, that patch was incomplete. Also needed is:
diff --git a/lib/libc-config.h b/lib/libc-config.h
index dff0b3e..fbea948 100644
--- a/lib/libc-config.h
+++ b/lib/libc-config.h
@@ -89,7 +89,7 @@
/* Undef the macros unconditionally defined by our copy of glibc
<sys/cdefs.h>, so that they do not clash with any system-defined
versions. */
-#undef _SYS_CDEFS_H
+#undef _GL_CDEFS_H
#undef __ASMNAME
#undef __ASMNAME2
#undef __BEGIN_DECLS
