2 files changed, 4 insertions, 4 deletions
diff --git a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl
index fa6926b007..d93baa03c6 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowF.glsl
@@ -55,7 +55,7 @@ uniform vec3 sun_dir;
 uniform float sun_size;
 uniform float far_z;
 
-#if !DEPTH_CLAMP
+#if !defined(DEPTH_CLAMP)
 VARYING vec4 post_pos;
 #endif
 
@@ -114,7 +114,7 @@ void main()
 
     frag_color = vec4(alpha1, alpha1, alpha1, 1);
 
-#if !DEPTH_CLAMP
+#if !defined(DEPTH_CLAMP)
 	gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0);
 #endif
 
diff --git a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowV.glsl b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowV.glsl
index 52164e7b80..1c2fbaf25d 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/cloudShadowV.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/cloudShadowV.glsl
@@ -31,7 +31,7 @@ ATTRIBUTE vec3 position;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec2 texcoord0;
 
-#if !DEPTH_CLAMP
+#if !defined(DEPTH_CLAMP)
 VARYING float pos_zd2;
 #endif
 
@@ -48,7 +48,7 @@ void main()
 	pos = modelview_projection_matrix * pre_pos;
 	target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x;
 
-#if !DEPTH_CLAMP
+#if !defined(DEPTH_CLAMP)
 	pos_zd2 = pos.z * 0.5;
 	gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
 #else