Add gpr2gpa to CMake, port to *nix

CMakeLists.txt

@@ -331,5 +331,23 @@ target_include_directories(hqx2gp PRIVATE
 	)
 target_link_libraries(hqx2gp PortabilityLayer)
 
+add_executable(gpr2gpa
+	gpr2gpa/gpr2gpa.cpp
+	gpr2gpa/macedec.cpp
+	AerofoilPortable/GpAllocator_C.cpp
+	UnixCompat/UnixCompat.cpp
+	)
+target_include_directories(gpr2gpa PRIVATE
+	Common
+	GpCommon
+	PortabilityLayer
+	AerofoilPortable
+	MacRomanConversion
+	UnixCompat
+	rapidjson/include
+	zlib
+	)
+target_link_libraries(gpr2gpa PortabilityLayer MacRomanConversion zlib)
+
 
 install (TARGETS ${EXECNAME})

gpr2gpa/gpr2gpa.cpp

@@ -24,8 +24,6 @@
 #include "rapidjson/rapidjson.h"
 #include "rapidjson/document.h"
 
-#include "WindowsUnicodeToolShim.h"
-
 #include "macedec.h"
 
 #include <stdio.h>
@@ -33,7 +31,13 @@
 #include <sstream>
 #include <vector>
 #include <algorithm>
+
+#ifdef _WIN32
+#include "WindowsUnicodeToolShim.h"
 #include "GpWindows.h"
+#else
+#include "UnixCompat.h"
+#endif
 
 enum AudioCompressionCodecID
 {