Date: Fri, 19 May 2000 19:03:38 -0400 (EDT)
From: Roland McGrath <[EMAIL PROTECTED]>
Yeah, on later thought I liked your idea fine.
Here's a patch. OK to check this in?
2000-05-20 Mark Kettenis <[EMAIL PROTECTED]>
* configure.in: Add check for libio. Only enable versioning if we
found libio.
Index: configure.in
===================================================================
RCS file: /home/cvs/hurd/configure.in,v
retrieving revision 1.18
diff -u -p -r1.18 configure.in
--- configure.in 2000/03/27 18:20:47 1.18
+++ configure.in 2000/05/20 14:23:12
@@ -93,7 +93,23 @@ else
hurd_cv_ld_version_script_option=no
fi
rm -f conftest*])
-VERSIONING=$hurd_cv_ld_version_script_option
+
+# See if libc was built with --enable-libio.
+AC_CACHE_CHECK([for libio],
+ hurd_cv_libio,
+ AC_TRY_COMPILE([#include <stdio.h>
+#ifndef _STDIO_USES_IOSTREAM
+# error No libio found.
+#endif],,
+ hurd_cv_libio=yes,
+ hurd_cv_libio=no))
+
+# Only turn on versioning if we found libio and versioning is supported.
+if test $hurd_cv_libio = yes; then
+ VERSIONING=$hurd_cv_ld_version_script_option
+else
+ VERSIONING=no
+fi
AC_SUBST(VERSIONING)
