Added missing LSH_RPATH_FIX between the checks for

gmp and liboop.
Use AH_BOTTOM to define NORETURN, PRINTF_STYLE and UNUSED.

Rev: configure.ac:1.28

configure.ac

-dnl $Id$
-
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT([lsh], [1.5], [bug-lsh@gnu.org]) 
 AC_PREREQ(2.52)
@@ -712,6 +710,8 @@ if test x$lsh_cv_sys_unix98_ptys = xyes; then
 fi
   
 # Check for gcc's __attribute__ construction
+# FIXME: Move this into acinclude.m4.
+
 AC_CACHE_CHECK(for __attribute__,
 	       lsh_cv_c_attribute,
 [ AC_TRY_COMPILE([
@@ -734,6 +734,18 @@ if test "x$lsh_cv_c_attribute" = "xyes"; then
   AC_DEFINE(HAVE_GCC_ATTRIBUTE)
 fi
 
+AH_BOTTOM(
+[#if __GNUC__ && HAVE_GCC_ATTRIBUTE
+# define NORETURN __attribute__ ((__noreturn__))
+# define PRINTF_STYLE(f, a) __attribute__ ((__format__ (__printf__, f, a)))
+# define UNUSED __attribute__ ((__unused__))
+#else
+# define NORETURN
+# define PRINTF_STYLE(f, a)
+# define UNUSED
+#endif
+])
+
 # Check for gcc's __FUNCTION__ variable
 AC_CACHE_CHECK(for __FUNCTION__,
 	       lsh_cv_c_FUNCTION,