--- a/buildSrc/linux.gradle
+++ b/buildSrc/linux.gradle
@@ -66,6 +66,7 @@
 def gtk3CCFlags = [ "-Wno-deprecated-declarations" ];
 def gtk2LinkFlags = [ ];
 def gtk3LinkFlags = [ ];
+LINUX.buildGTK2 = true
 LINUX.buildGTK3 = true

 // Create $buildDir/linux_tools.properties file and load props from it
@@ -75,6 +76,7 @@
         exec {
             commandLine("pkg-config", "--cflags", "gtk+-2.0", "gthread-2.0", "xtst")
             setStandardOutput(results1);
+            ignoreExitValue(true)
         }
         propFile << "cflagsGTK2=" << results1.toString().trim() << "\n";

@@ -82,12 +84,20 @@
         exec {
             commandLine("pkg-config", "--libs", "gtk+-2.0", "gthread-2.0", "xtst")
             setStandardOutput(results3);
+            ignoreExitValue(true)
         }
         propFile << "libsGTK2=" << results3.toString().trim()  << "\n";
     },
     { properties ->
-        gtk2CCFlags.addAll(properties.getProperty("cflagsGTK2").split(" "))
-        gtk2LinkFlags.addAll(properties.getProperty("libsGTK2").split(" "))
+        String ccflags =  properties.getProperty("cflagsGTK2")
+        String ldflags =  properties.getProperty("libsGTK2")
+        if (ccflags != null && ! ccflags.equals("")) {
+            gtk2CCFlags.addAll(properties.getProperty("cflagsGTK2").split(" "))
+            gtk2LinkFlags.addAll(properties.getProperty("libsGTK2").split(" "))
+        } else {
+            logger.info("Warning: GTK2 development packages not found, not building GTK2 support");
+            LINUX.buildGTK2 = false
+        }
     }
 )

@@ -176,7 +186,14 @@
 def linker = IS_COMPILE_PARFAIT ? "parfait-g++" : "g++";

 LINUX.glass = [:]
-LINUX.glass.variants = ["glass", "glassgtk2"]
+LINUX.glass.variants = ["glass"]
+if (LINUX.buildGTK2) {
+    logger.info("Building libglassgtk2")
+    LINUX.glass.variants += "glassgtk2"
+} else {
+    logger.warn("NOT Building libglassgtk2")
+}
+
 if (LINUX.buildGTK3) {
     logger.info("Building libglassgtk3")
     LINUX.glass.variants += "glassgtk3"