[toplevel] GCC_NO_EXECUTABLES

[Andreas Schwab]

Daniel Jacobowitz <drow@false.org> writes:

> The problem probably arises because we AC_REQUIRE AC_FUNC_MMAP from
> libiberty_AC_FUNC_STRNCMP, which is used unconditionally.  If
> GCC_NO_EXECUTABLES is in effect, we must suppress this somehow.  I
> think that doing it in libiberty's configure didn't work because of the
> semantics of AC_REQUIRE.

Setting the cache variable is already enough to prevent the tests in
AC_FUNC_MMAP from being executed.

2004-12-12  Andreas Schwab  <schwab@suse.de>

	* no-executables.m4: Remove conditional around expansion of
	AC_FUNC_MMAP.

--- config/no-executables.m4.~1.1.~	2003-08-27 21:14:13.000000000 +0200
+++ config/no-executables.m4	2004-12-12 19:46:15.840855115 +0100
@@ -53,9 +53,7 @@ if test x$gcc_no_link = xyes; then
     ac_cv_func_mmap_fixed_mapped=no
   fi
 fi
-if test "x${ac_cv_func_mmap_fixed_mapped+set}" != xset; then
-  m4_defn([AC_FUNC_MMAP])
-fi)
+m4_defn([AC_FUNC_MMAP]))
 
 m4_divert_pop()dnl
 ])# GCC_NO_EXECUTABLES


Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."