Pass more CMake variables to external projects.

cmake/LinphoneCMakeBuilder.cmake

@@ -64,13 +64,21 @@ list(APPEND LINPHONE_BUILDER_EP_VARS
 	CMAKE_BUILD_TYPE:STRING
 	CMAKE_BUNDLE_OUTPUT_DIRECTORY:PATH
 	CMAKE_C_COMPILER:PATH
+	CMAKE_C_COMPILER_FORCED:BOOL
+	CMAKE_C_COMPILER_ID_RUN:BOOL
+	CMAKE_C_COMPILER_ID:STRING
 	CMAKE_C_FLAGS_DEBUG:STRING
 	CMAKE_C_FLAGS_MINSIZEREL:STRING
 	CMAKE_C_FLAGS_RELEASE:STRING
 	CMAKE_C_FLAGS_RELWITHDEBINFO:STRING
 	CMAKE_C_FLAGS:STRING
+	CMAKE_COMPILER_IS_GNUCC:BOOL
+	CMAKE_COMPILER_IS_GNUCXX:BOOL
 	CMAKE_CROSSCOMPILING:BOOL
 	CMAKE_CXX_COMPILER:PATH
+	CMAKE_CXX_COMPILER_FORCED:BOOL
+	CMAKE_CXX_COMPILER_ID_RUN:BOOL
+	CMAKE_CXX_COMPILER_ID:STRING
 	CMAKE_CXX_FLAGS_DEBUG:STRING
 	CMAKE_CXX_FLAGS_MINSIZEREL:STRING
 	CMAKE_CXX_FLAGS_RELEASE:STRING