always define HAVE_CAIRO

Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>

configure.ac

@@ -466,6 +466,8 @@ if test "x$CAIRO" = xyes; then
 		AC_MSG_ERROR([Cairo support required but not present])
 	fi
 	AC_DEFINE(HAVE_CAIRO, 1, [Have Cairo support])
+else
+	AC_DEFINE(HAVE_CAIRO, 0)
 fi
 AC_MSG_RESULT([$CAIRO])
 AM_CONDITIONAL(HAVE_CAIRO, [test "x$CAIRO" = xyes])

meson.build

@@ -256,15 +256,13 @@ foreach t : [[with_intel, 'INTEL'], [with_vmwgfx, 'VMWGFX'],
              [with_exynos, 'EXYNOS'],
              [with_vc4, 'VC4'],
              [with_freedreno_kgsl, 'FREEDRENO_KGSL'],
+             [dep_cairo.found(), 'CAIRO'],
              [with_radeon, 'RADEON']]
   config.set10('HAVE_@0@'.format(t[1]), t[0])
 endforeach
 if with_freedreno_kgsl and not with_freedreno
   error('cannot enable freedreno-kgsl without freedreno support')
 endif
-if dep_cairo.found()
-  config.set10('HAVE_CAIRO', true)
-endif
 if dep_valgrind.found()
   config.set10('HAVE_VALGRIND', true)
 endif

tests/util/pattern.c

@@ -34,7 +34,7 @@
 
 #include <drm_fourcc.h>
 
-#ifdef HAVE_CAIRO
+#if HAVE_CAIRO
 #include <cairo.h>
 #include <math.h>
 #endif
@@ -546,7 +546,7 @@ static void fill_smpte(const struct util_format_info *info, void *planes[3],
 static void make_pwetty(void *data, unsigned int width, unsigned int height,
 			unsigned int stride, uint32_t format)
 {
-#ifdef HAVE_CAIRO
+#if HAVE_CAIRO
 	cairo_surface_t *surface;
 	cairo_t *cr;
 	cairo_format_t cairo_format;