Building a testdir on Linux with Oracle Developer Studio 12.6 (which includes
the SunPRO C compiler), I see this configure finding:
checking for ELF binary format... no
This patch fixes it.
2024-03-28 Bruno Haible <br...@clisp.org>
havelib: Recognize ELF platform despite SunPRO C on Linux.
* m4/lib-prefix.m4 (AC_LIB_PREPARE_MULTILIB): Recognize Linux as an ELF
platform, even with the SunPRO C compiler that does not define __ELF__.
diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4
index f327c6ef03..61dc248e3d 100644
--- a/m4/lib-prefix.m4
+++ b/m4/lib-prefix.m4
@@ -1,4 +1,4 @@
-# lib-prefix.m4 serial 22
+# lib-prefix.m4 serial 23
dnl Copyright (C) 2001-2005, 2008-2024 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],
- [#if defined __ELF__ || (defined __linux__ && defined __EDG__)
+ [#if defined __ELF__ || (defined __linux__ && (defined __EDG__ ||
defined __SUNPRO_C))
Extensible Linking Format
#endif
],
