Fix compilation on cygwin after commit 762c9766c93697af8d7fbaa729aed118789dbe8e

Fix compilation on cygwin after commit 762c9766c93697af8d7fbaa729aed118789dbe8e
"Use VERT_ATTRIB_* indexed array in gl_array_object" added the first non-driver
use of ffsll(), which exposes the fact that this isn't provided on cygwin.

Found by tinderbox, see [1]

[1] http://tinderbox.freedesktop.org/builds/2011-11-30-0017/logs/libGL/#build

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
index 797f357..d5e3859 100644 (file)
--- a/src/mesa/main/imports.h
+++ b/src/mesa/main/imports.h
@@ -568,7 +568,7 @@ _mesa_init_sqrt_table(void);
 
 #ifdef __GNUC__
 
-#if defined(__MINGW32__) || defined(ANDROID)
+#if defined(__MINGW32__) || defined(__CYGWIN__) || defined(ANDROID)
 #define ffs __builtin_ffs
 #define ffsll __builtin_ffsll
 #endif