Enable position independent code for Android.

builders/vpx.cmake

@@ -125,6 +125,7 @@ else()
 		set(EP_vpx_EXTRA_LDFLAGS "--sysroot=${CMAKE_SYSROOT}")
 		list(APPEND EP_vpx_CONFIGURE_OPTIONS
 			"--sdk-path=${ANDROID_NDK_PATH}"
+			"--enable-pic"
 		)
 		set(EP_vpx_LINKING_TYPE "--enable-static" "--disable-shared" "--enable-pic")
 	elseif(QNX)

cmake/CMakeLists.txt

@@ -101,6 +101,7 @@ list(APPEND LINPHONE_BUILDER_EP_VARS
 	CMAKE_MODULE_LINKER_FLAGS:STRING
 	CMAKE_MODULE_PATH:PATH
 	CMAKE_NO_BUILD_TYPE:BOOL
+	CMAKE_POSITION_INDEPENDENT_CODE:BOOL
 	CMAKE_PREFIX_PATH:STRING
 	CMAKE_PROGRAM_PATH:STRING
 	CMAKE_RUNTIME_OUTPUT_DIRECTORY:PATH

configs/config-android.cmake

@@ -46,6 +46,7 @@ set(DEFAULT_VALUE_CMAKE_PLUGIN_LINKING_TYPE "-DENABLE_STATIC=NO" "-DENABLE_SHARE
 
 # Global configuration
 set(LINPHONE_BUILDER_HOST "${CMAKE_SYSTEM_PROCESSOR}-linux-android")
+set(CMAKE_POSITION_INDEPENDENT_CODE YES)
 if(CMAKE_SYSTEM_PROCESSOR STREQUAL "armeabi" AND ENABLE_VIDEO)
 	message(STATUS "Disabling video for armv6")
 	set(ENABLE_VIDEO NO CACHE BOOL "")