Add platform flag to makefile and code for compiling xibs

build.sh

@@ -28,6 +28,8 @@ BOE_SRC=`echo $BOE_SRC src/pcedit/pc.editors.cpp`
 ED_SRC=`echo $ED_SRC`
 PC_SRC=`echo $PC_SRC`
 
+PLATFORM=macosx
+
 function usage {
 	echo "usage: $0 [-chrw]"
 }
@@ -50,7 +52,7 @@ function build {
 	mkdir -p 'exe/Blades of Exile/Blades of Exile Scenarios/'
 	mkdir -p 'exe/Blades of Exile/Scenario Editor/Blades of Exile Base'
 	echo "$COMMON_SRC" > test.txt
-	export COMMON_SRC BOE_SRC ED_SRC PC_SRC
+	export COMMON_SRC BOE_SRC ED_SRC PC_SRC PLATFORM
 	make all
 }