Fixup warnings

Author: trgwii

CMakeLists.txt

@@ -7,9 +7,9 @@ add_subdirectory(unboxing EXCLUDE_FROM_ALL)
 if(WIN32)
     set(WARNINGS /MP)
 elseif(APPLE)
-    set(WARNINGS -Wall -Wextra -Wpedantic -pedantic-errors -Wformat-overflow -Wstrict-overflow=2 -Werror)
+    set(WARNINGS -Wall -Wextra -Wpedantic -pedantic-errors -Wformat-overflow -Wstrict-overflow=2)
 else()
-    set(WARNINGS -Wall -Wextra -Wpedantic -pedantic-errors -Wformat-overflow=1 -Wstrict-overflow=2 -Werror)
+    set(WARNINGS -Wall -Wextra -Wpedantic -pedantic-errors -Wformat-overflow=1 -Wstrict-overflow=2)
 endif()
 
 add_library(minixml
@@ -28,7 +28,7 @@ target_compile_options(minixml PRIVATE ${WARNINGS})
 target_include_directories(minixml PUBLIC thirdparty/minixml/inc)
 if(WIN32)
     target_compile_definitions(minixml PRIVATE _CRT_SECURE_NO_WARNINGS)
-else()
+elseif(NOT APPLE)
     target_compile_options(minixml PRIVATE -Wno-use-after-free)
 endif()