(revert-buffer): Special error message if file is now not readable.

[gnu-emacs] / configure.in

diff --git a/configure.in b/configure.in
index 91ec83765d401123990aa48921f18b754a636839..8b2bfcba2515b9a0f7069e9f56b3c13269c1aca4 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1485,6 +1485,16 @@ dnl Do this early because it can frob feature test macros for Unix-98 &c.
 AC_SYS_LARGEFILE
 
 
+### The standard library on x86-64 GNU/Linux distributions can 
+### be located in either /usr/lib64 or /usr/lib.
+case "${canonical}" in
+  x86_64-*-linux-gnu* )
+    if test -d /usr/lib64; then
+      AC_DEFINE(HAVE_X86_64_LIB64_DIR, 1,
+        [Define to 1 if the file /usr/lib64 exists.])
+fi
+esac
+
 dnl This function defintion taken from Gnome 2.0
 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page