frontend: always raise advice about missing glslangValidator

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/src/frontend/glsl_validation.nit b/src/frontend/glsl_validation.nit
index 1d11589..f6f3760 100644 (file)
--- a/src/frontend/glsl_validation.nit
+++ b/src/frontend/glsl_validation.nit
@@ -58,9 +58,7 @@ private class GLSLValidationPhase
 
                # Do not double check if tool is in path
                var in_path = tool_is_in_path
-               if in_path != null then
-                       if not in_path then return
-               else
+               if in_path == null then
                        # Is _glslangValidator_ installed?
                        var proc_which = new ProcessReader("which", "glslangValidator")
                        proc_which.wait
@@ -68,11 +66,12 @@ private class GLSLValidationPhase
                        var status = proc_which.status
                        in_path = status == 0
                        tool_is_in_path = in_path
-                       if not in_path then
-                               toolcontext.advice(nat.location, "glslvalidator",
-                                       "Warning: program `glslangValidator` not in PATH, cannot validate this shader.")
-                               return
-                       end
+               end
+
+               if not in_path then
+                       toolcontext.advice(nat.location, "glslvalidator",
+                               "Warning: program `glslangValidator` not in PATH, cannot validate this shader.")
+                       return
                end
 
                # Get the shader source