From eb0159b2b752e9b79362ed62e0d8c6169d3c3e89 Mon Sep 17 00:00:00 2001
From: Vladimir Timofeev <vovkasm@gmail.com>
Date: Sat, 15 Nov 2014 13:17:23 +0300
Subject: [PATCH] Unify usage of chipmunk library

* cmake/Modules/FindChipmunk.cmake now can find prebuilt chipmunk libs
* follow USE_CHIPMUNK variable (although at the moment cocos can't build without chipmunk)
* come cleanups and formatting
---
 CMakeLists.txt                   | 16 +++++++++-------
 cmake/Modules/FindChipmunk.cmake | 23 +++++++++++++++++++++++
 cocos/CMakeLists.txt             | 12 +++++++-----
 extensions/CMakeLists.txt        | 13 -------------
 4 files changed, 39 insertions(+), 25 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 552ecf35ec..bdbff7c1af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -168,11 +168,9 @@ include_directories(
 
 # GLFW3 used on Mac, Windows and Linux desktop platforms
 if(LINUX OR MACOSX OR WINDOWS)
-
   find_package(GLFW3 REQUIRED)
   message(STATUS "GLFW3 include dirs: ${GLFW3_INCLUDE_DIRS}")
   include_directories(${GLFW3_INCLUDE_DIRS})
-
 endif(LINUX OR MACOSX OR WINDOWS)
 
 # Freetype required on all platforms
@@ -182,16 +180,21 @@ include_directories(${FREETYPE_INCLUDE_DIRS})
 
 # WebP required if used
 if(USE_WEBP)
-find_package(WebP REQUIRED)
-message(STATUS "WebP include dirs: ${WEBP_INCLUDE_DIRS}")
-endif()
+  find_package(WebP REQUIRED)
+  message(STATUS "WebP include dirs: ${WEBP_INCLUDE_DIRS}")
+endif(USE_WEBP)
+
+if(USE_CHIPMUNK)
+  find_package(Chipmunk REQUIRED)
+  message(STATUS "Chipmunk include dirs: ${CHIPMUNK_INCLUDE_DIRS}")
+  add_definitions(-DCC_ENABLE_CHIPMUNK_INTEGRATION=1)
+endif(USE_CHIPMUNK)
 
 if(NOT MINGW)
 
   include_directories(
 
     ${CMAKE_CURRENT_SOURCE_DIR}/external/tinyxml2
-    ${CMAKE_CURRENT_SOURCE_DIR}/external/chipmunk/include/chipmunk
     ${CMAKE_CURRENT_SOURCE_DIR}/external/box2d/include
     ${CMAKE_CURRENT_SOURCE_DIR}/external/jpeg/include/${PLATFORM_FOLDER}
     ${CMAKE_CURRENT_SOURCE_DIR}/external/png/include/${PLATFORM_FOLDER}
@@ -208,7 +211,6 @@ if(NOT MINGW)
     ${CMAKE_CURRENT_SOURCE_DIR}/external/tiff/prebuilt/${PLATFORM_FOLDER_ARCH}
     ${CMAKE_CURRENT_SOURCE_DIR}/external/png/prebuilt/${PLATFORM_FOLDER_ARCH}
     ${CMAKE_CURRENT_SOURCE_DIR}/external/websockets/prebuilt/${PLATFORM_FOLDER_ARCH}
-    ${CMAKE_CURRENT_SOURCE_DIR}/external/chipmunk/prebuilt/${PLATFORM_FOLDER_ARCH}
     ${CMAKE_CURRENT_SOURCE_DIR}/external/box2d/prebuilt/${PLATFORM_FOLDER_ARCH}
     ${CMAKE_CURRENT_SOURCE_DIR}/external/curl/prebuilt/${PLATFORM_FOLDER_ARCH}
 
diff --git a/cmake/Modules/FindChipmunk.cmake b/cmake/Modules/FindChipmunk.cmake
index 31fc02f489..b194f7ed7f 100644
--- a/cmake/Modules/FindChipmunk.cmake
+++ b/cmake/Modules/FindChipmunk.cmake
@@ -27,6 +27,29 @@
 # (To distribute this file outside of CMake, substitute the full
 #  License text for the above reference.)
 
+if(USE_PREBUILT_LIBS)
+  find_path(CHIPMUNK_INCLUDE_DIR chipmunk.h
+    PATH_SUFFIXES
+      include/chipmunk
+      include
+    PATHS ${CMAKE_CURRENT_SOURCE_DIR}/external/chipmunk
+    NO_DEFAULT_PATH
+    )
+  find_library(CHIPMUNK_LIBRARY
+    NAMES chipmunk libchipmunk
+    PATH_SUFFIXES
+      prebuilt/${PLATFORM_FOLDER}/${ARCH_DIR}
+      prebuilt/${PLATFORM_FOLDER}
+    PATHS ${CMAKE_CURRENT_SOURCE_DIR}/external/chipmunk
+    NO_DEFAULT_PATH
+    )
+  # cleanup if not found (prevent from mix prebuilt include paths and system installed libraries)
+  if(NOT CHIPMUNK_INCLUDE_DIR OR NOT CHIPMUNK_LIBRARY)
+    unset(CHIPMUNK_INCLUDE_DIR CACHE)
+    unset(CHIPMUNK_LIBRARY CACHE)
+  endif()
+endif(USE_PREBUILT_LIBS)
+
 FIND_PATH(CHIPMUNK_INCLUDE_DIR chipmunk.h
   HINTS
   ENV CHIPMUNK_DIR
diff --git a/cocos/CMakeLists.txt b/cocos/CMakeLists.txt
index b4a597bc4f..0a31f3552c 100644
--- a/cocos/CMakeLists.txt
+++ b/cocos/CMakeLists.txt
@@ -88,13 +88,10 @@ if(MINGW)
 
   find_package(ZLIB REQUIRED)
 
-  find_package(Chipmunk REQUIRED)
-
   message( STATUS "ZLIB dirs: ${ZLIB_INCLUDE_DIRS}")
-  message( STATUS "Chipmunk dirs: ${CHIPMUNK_INCLUDE_DIRS}")
   message( STATUS "Protobuf dirs: ${PROTOBUF_INCLUDE_DIRS}")
 
-  include_directories(${ZLIB_INCLUDE_DIRS} ${CHIPMUNK_INCLUDE_DIRS} ${PROTOBUF_INCLUDE_DIRS})
+  include_directories(${ZLIB_INCLUDE_DIRS} ${PROTOBUF_INCLUDE_DIRS})
 
 else()
 
@@ -163,7 +160,7 @@ if(LINUX OR MACOSX OR WINDOWS)
   list(APPEND PLATFORM_SPECIFIC_LIBS ${GLFW3_LIBRARIES})
 endif()
 
-target_link_libraries(cocos2d chipmunk box2d protobuf tinyxml2 unzip xxhash ${FREETYPE_LIBRARIES} ${PLATFORM_SPECIFIC_LIBS})
+target_link_libraries(cocos2d box2d protobuf tinyxml2 unzip xxhash ${FREETYPE_LIBRARIES} ${PLATFORM_SPECIFIC_LIBS})
 
 if(USE_WEBP)
   add_definitions(-DCC_USE_WEBP=1)
@@ -173,6 +170,11 @@ else()
   add_definitions(-DCC_USE_WEBP=0)
 endif()
 
+if(USE_CHIPMUNK)
+  include_directories(${CHIPMUNK_INCLUDE_DIRS})
+  target_link_libraries(cocos2d ${CHIPMUNK_LIBRARIES})
+endif()
+
 set_target_properties(cocos2d
     PROPERTIES
     ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib"
diff --git a/extensions/CMakeLists.txt b/extensions/CMakeLists.txt
index fd212cba4e..5a2ef4f2a9 100644
--- a/extensions/CMakeLists.txt
+++ b/extensions/CMakeLists.txt
@@ -2,19 +2,6 @@ if(WINDOWS AND NOT BUILD_STATIC)
   ADD_DEFINITIONS (-D_USREXDLL)
 endif()
 
-if(WINDOWS)
-
-#  set(PLATFORM_EXTENSIONS_SRC
-#    ../extensions/proj.win32/Win32InputBox.cpp
-#  )
-  
-elseif(MACOSX)
-
-else()
-#  set(PLATFORM_EXTENSIONS_SRC
-#    ../../extensions/GUI/CCEditBox/CCEditBoxImplNone.cpp)
-endif()
-
 include_directories(
   ../../extensions
 )