With nvc 22.1 on Linux, the configure test
"checking for ELF binary format..."
reports "no". This patch fixes it.
2022-01-15 Bruno Haible <br...@clisp.org>
havelib: Recognize ELF platform despite nvc 22.1.
* m4/lib-prefix.m4 (AC_LIB_PREPARE_MULTILIB): Recognize Linux as an ELF
platform, even with a compiler that does not define __ELF__.
diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4
index 75071e9a96..999f712f5a 100644
--- a/m4/lib-prefix.m4
+++ b/m4/lib-prefix.m4
@@ -1,4 +1,4 @@
-# lib-prefix.m4 serial 19
+# lib-prefix.m4 serial 20
dnl Copyright (C) 2001-2005, 2008-2022 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -174,7 +174,7 @@ AC_DEFUN([AC_LIB_PREPARE_MULTILIB],
AC_CACHE_CHECK([for ELF binary format], [gl_cv_elf],
[AC_EGREP_CPP([Extensible Linking Format],
- [#ifdef __ELF__
+ [#if defined __ELF__ || (defined __linux__ && defined __EDG__)
Extensible Linking Format
#endif
],
