Handle CMakeLists without Objective-C

Author: shai-almog

vm/tests/src/test/java/com/codename1/tools/translator/CleanTargetIntegrationTest.java

@@ -183,8 +183,8 @@ static void replaceLibraryWithExecutableTarget(Path cmakeLists, String sourceDir
         String globWithObjc = String.format("file(GLOB TRANSLATOR_SOURCES \"%s/*.c\" \"%s/*.m\")", sourceDirName, sourceDirName);
         String globCOnly = String.format("file(GLOB TRANSLATOR_SOURCES \"%s/*.c\")", sourceDirName);
         content = content.replace(globWithObjc, globCOnly);
-        content = content.replace(" LANGUAGES C OBJC", " LANGUAGES C");
-        content = content.replace("enable_language(OBJC OPTIONAL)\n", "");
+        content = content.replaceAll("LANGUAGES\\s+C\\s+OBJC", "LANGUAGES C");
+        content = content.replaceAll("(?m)^enable_language\\(OBJC OPTIONAL\\)\\s*$\\n?", "");
         String replacement = content.replace(
                 "add_library(${PROJECT_NAME} ${TRANSLATOR_SOURCES} ${TRANSLATOR_HEADERS})",
                 "add_executable(${PROJECT_NAME} ${TRANSLATOR_SOURCES} ${TRANSLATOR_HEADERS})\ntarget_link_libraries(${PROJECT_NAME} m pthread)"