split GCC warnings in CMake

Author: firewave

CMakeLists.txt

@@ -19,7 +19,18 @@ function(add_compile_options_safe FLAG)
 endfunction()
 
 if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
-    add_compile_options(-Wall -Wextra -pedantic -Wcast-qual -Wfloat-equal -Wmissing-declarations -Wmissing-format-attribute -Wredundant-decls -Wshadow -Wundef -Wold-style-cast -Wno-multichar)
+    add_compile_options(-Wall)
+    add_compile_options(-Wextra)
+    add_compile_options(-pedantic)
+    add_compile_options(-Wcast-qual)
+    add_compile_options(-Wfloat-equal)
+    add_compile_options(-Wmissing-declarations)
+    add_compile_options(-Wmissing-format-attribute)
+    add_compile_options(-Wredundant-decls)
+    add_compile_options(-Wshadow)
+    add_compile_options(-Wundef)
+    add_compile_options(-Wold-style-cast)
+    add_compile_options(-Wno-multichar)
 elseif (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
     add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
 elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")