ccan: fix autoconf test for isblank()

The define in the C code is HAVE_ISBLANK

Andrew Bartlett

diff --git a/lib/ccan/libccan.m4 b/lib/ccan/libccan.m4
index 1efa0f0f42fa974c92710aecad1bb3b845756d75..93dc99e10ec2725f7909a7cf31d89387f4555b66 100644 (file)
--- a/lib/ccan/libccan.m4
+++ b/lib/ccan/libccan.m4
@@ -268,19 +268,19 @@ if test x"$samba_cv_compound_literals" = xyes ; then
             [whether we have compound literals])
 fi
 
-AC_CACHE_CHECK([whether we have __builtin_have_isblank],
-              samba_cv_builtin_have_isblank,
+AC_CACHE_CHECK([whether we have isblank],
+              samba_cv_have_isblank,
               [
                 AC_LINK_IFELSE(
                        [#include <ctype.h>
                         int main(void) { return isblank(' ') ? 0 : 1; }
                        ],
-                       samba_cv_builtin_have_isblank=yes)
+                       samba_cv_have_isblank=yes)
                ])
 
-if test x"$samba_cv_builtin_have_isblank" = xyes ; then
-   AC_DEFINE(HAVE_BUILTIN_HAVE_ISBLANK, 1,
-            [whether we have __builtin_have_isblank])
+if test x"$samba_cv_have_isblank" = xyes ; then
+   AC_DEFINE(HAVE_ISBLANK, 1,
+            [whether we have isblank])
 fi
 
 # FIXME: We could use endian.h or sys/endian.h here, and __BYTE_ORDER for