modding the 3rdparty CMakeLists.txt to allow for android compilation using cmake

Basically just adding lines at top of CMakeLists that alter behavior if ANDROID is set to
true.

3rdparty/CMakeLists.txt

@@ -1,3 +1,7 @@
+if(ANDROID)
+ configure_file("${CMAKE_SOURCE_DIR}/Android.mk.modules.in" "${CMAKE_CURRENT_BINARY_DIR}/Android.mk")
+endif()
+
 add_subdirectory(flann)
 add_subdirectory(lapack)
 add_subdirectory(zlib)
@@ -13,4 +17,7 @@ endif()
 if(WITH_TIFF AND NOT TIFF_FOUND)
 	add_subdirectory(libtiff)
 endif()
+
+if(NOT ANDROID)
 add_subdirectory(gtest)
+endif()

3rdparty/flann/CMakeLists.txt

@@ -1,3 +1,7 @@
+if(ANDROID)
+file(GLOB_RECURSE flann_sources_cpp *.cpp)
+define_android_manual(flann "${flann_sources_cpp}" "$(LOCAL_PATH)/../include $(LOCAL_PATH)/../include/flann")		
+else(ANDROID)
 if (DEFINED OPENCV_VERSION)
 
 # ----------------------------------------------------------------------------
@@ -100,3 +104,4 @@ INSTALL (
 )
 
 ENDIF()
+endif(ANDROID)#android

3rdparty/lapack/CMakeLists.txt

@@ -2,6 +2,10 @@
 #  CMake file for opencv_lapack. See root CMakeLists.txt
 #
 # ----------------------------------------------------------------------------
+if(ANDROID)
+define_3rdparty_module(opencv_lapack)
+else()
+
 project(opencv_lapack)
 
 # List of C++ files:
@@ -56,3 +60,4 @@ set_target_properties(${the_target}
 	DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
 	ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/3rdparty/lib
 	)
+endif() #android

3rdparty/libjasper/CMakeLists.txt

@@ -1,9 +1,17 @@
+if(ANDROID)
+set(android_defs "-DEXCLUDE_MIF_SUPPORT -DEXCLUDE_PNM_SUPPORT -DEXCLUDE_BMP_SUPPORT -DEXCLUDE_RAS_SUPPORT  -DEXCLUDE_JPG_SUPPORT -DEXCLUDE_PGX_SUPPORT")
+define_3rdparty_module(jasper)
+set(android_defs "")
+else(ANDROID)
+
+
 # ----------------------------------------------------------------------------
 #  CMake file for libjasper. See root CMakeLists.txt
 #
 # ----------------------------------------------------------------------------
 project(libjasper)
 
+
 add_definitions(-DEXCLUDE_MIF_SUPPORT -DEXCLUDE_PNM_SUPPORT -DEXCLUDE_BMP_SUPPORT -DEXCLUDE_RAS_SUPPORT  -DEXCLUDE_JPG_SUPPORT -DEXCLUDE_PGX_SUPPORT)
 
 # List of C++ files:
@@ -41,9 +49,12 @@ if(CMAKE_COMPILER_IS_GNUCXX)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-implicit-function-declaration -Wno-unused")
 endif()
 
+
+
 set_target_properties(${the_target}
 	PROPERTIES
 	OUTPUT_NAME "${the_target}"
 	DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
 	ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/3rdparty/lib"
 	)
+endif(ANDROID)#!android

3rdparty/libjpeg/CMakeLists.txt

@@ -1,3 +1,7 @@
+if(ANDROID)
+define_3rdparty_module(jpeg)
+else()
+#endif()#android
 # ----------------------------------------------------------------------------
 #  CMake file for libjpeg. See root CMakeLists.txt
 #
@@ -39,3 +43,4 @@ set_target_properties(${the_target}
 	DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
 	ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/3rdparty/lib
 	)
+endif()#android

3rdparty/libpng/CMakeLists.txt

@@ -1,3 +1,6 @@
+if(ANDROID)
+define_3rdparty_module(png)
+else()
 # ----------------------------------------------------------------------------
 #  CMake file for libpng. See root CMakeLists.txt
 #
@@ -38,3 +41,4 @@ set_target_properties(${the_target}
 	DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
 	ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/3rdparty/lib"
 	)
+endif()#android

3rdparty/zlib/CMakeLists.txt

@@ -1,3 +1,6 @@
+if(ANDROID)
+define_3rdparty_module(zlib)
+else()
 # ----------------------------------------------------------------------------
 #  CMake file for zlib. See root CMakeLists.txt
 #
@@ -35,3 +38,5 @@ set_target_properties(${the_target}
         DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
         ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/3rdparty/lib"
     )
+
+endif(ANDROID)