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| author | Rusty Russell <rusty@rustcorp.com.au> | 2011-12-15 15:34:55 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2011-12-15 15:34:55 +1030 |
| commit | fef4f5193b68598c99949ee2fbd9bee93daf70b1 (patch) | |
| tree | 7e2a27e0e286e3dd07f32e1f489ac7ae91e719a8 | |
| parent | fdcbb7e03b3d7edf22d41bc3e08e1b8d58e2860c (diff) | |
| download | samba-fef4f5193b68598c99949ee2fbd9bee93daf70b1.tar.gz samba-fef4f5193b68598c99949ee2fbd9bee93daf70b1.tar.bz2 samba-fef4f5193b68598c99949ee2fbd9bee93daf70b1.zip | |
lib/ccan: fix m4 tests for builtin_expect and compound literals.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| -rw-r--r-- | lib/ccan/libccan.m4 | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/lib/ccan/libccan.m4 b/lib/ccan/libccan.m4 index 7dbea5815c..ce71ea2dda 100644 --- a/lib/ccan/libccan.m4 +++ b/lib/ccan/libccan.m4 @@ -196,7 +196,7 @@ AC_CACHE_CHECK([whether we have __builtin_expect], [ AC_LINK_IFELSE( [int main(void) { - return __builtin_expect(main != 0) ? 0 : 1; + return __builtin_expect(main != 0, 1) ? 0 : 1; }], samba_cv_builtin_expect=yes) ]) @@ -251,20 +251,21 @@ if test x"$samba_cv_builtin_choose_expr" = xyes ; then [whether we have __builtin_choose_expr]) fi -AC_CACHE_CHECK([whether we have __builtin_compound_literals], - samba_cv_builtin_compound_literals, +# We use @<:@ and @:>@ here for embedded [ and ]. +AC_CACHE_CHECK([whether we have compound literals], + samba_cv_compound_literals, [ AC_COMPILE_IFELSE( [int main(void) { - int *foo = (int[]) { 1, 2, 3, 4 }; - return foo[0] == 1 ? 0 : 1; + int *foo = (int@<:@@:>@) { 1, 2, 3, 4 }; + return foo@<:@0@:>@ == 1 ? 0 : 1; }], - samba_cv_builtin_compound_literals=yes) + samba_cv_compound_literals=yes) ]) -if test x"$samba_cv_builtin_compound_literals" = xyes ; then - AC_DEFINE(HAVE_BUILTIN_COMPOUND_LITERALS, 1, - [whether we have __builtin_compound_literals]) +if test x"$samba_cv_compound_literals" = xyes ; then + AC_DEFINE(HAVE_COMPOUND_LITERALS, 1, + [whether we have compound literals]) fi AC_CACHE_CHECK([whether we have __builtin_have_isblank], |