make xdelta3 a separate library

CMakeLists.txt

@@ -164,6 +164,7 @@ add_subdirectory(third-party/lzokay EXCLUDE_FROM_ALL)
 add_subdirectory(third-party/fmt EXCLUDE_FROM_ALL)
 add_subdirectory(third-party/stb_image EXCLUDE_FROM_ALL)
 add_subdirectory(third-party/tiny_gltf EXCLUDE_FROM_ALL)
+add_subdirectory(third-party/xdelta3 EXCLUDE_FROM_ALL)
 
 
 # discord rich presence

common/util/xdelta3_util.h

@@ -1,12 +0,0 @@
-#pragma once
-
-/*!
- * @file xdelta3.h
- * Interface around including xdelta3.
- * C library weirdness.
- */
-
-#define SIZEOF_SIZE_T 8
-#define SIZEOF_UNSIGNED_LONG_LONG 8
-#include "third-party/xdelta3/xdelta3/xdelta3.h"
-#include "third-party/xdelta3/xdelta3/xdelta3.c"

decompiler/CMakeLists.txt

@@ -84,6 +84,7 @@ target_link_libraries(decomp
         common
         fmt
         stb_image
+        xdelta3
         )
 
 add_executable(decompiler

decompiler/ObjectFile/ObjectFileDB.cpp

@@ -27,7 +27,7 @@
 #include "common/log/log.h"
 #include "common/util/json_util.h"
 #include "common/util/crc32.h"
-#include "common/util/xdelta3_util.h"
+#include "third-party/xdelta3/xdelta3.h"
 
 namespace decompiler {
 namespace {

third-party/xdelta3/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_library(xdelta3 xdelta3.c)
+

third-party/xdelta3/xdelta3.c

@@ -0,0 +1,2 @@
+#include "third-party/xdelta3/xdelta3.h"
+#include "third-party/xdelta3/xdelta3/xdelta3.c"

third-party/xdelta3/xdelta3.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#define SIZEOF_SIZE_T 8
+#define SIZEOF_UNSIGNED_LONG_LONG 8
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <assert.h>  // missing in xdelta3
+#include "third-party/xdelta3/xdelta3/xdelta3.h"
+#ifdef __cplusplus
+}
+#endif