__pragma is Microsoft specific keyword equivalent to C99 _Pragma operator https://msdn.microsoft.com/en-us/library/d9x1s805.aspx https://gcc.gnu.org/onlinedocs/cpp/Pragmas.html http://clang.llvm.org/docs/UsersManual.html#controlling-diagnostics-via-pragmas It seems cppcheck does not support _Pragma at the moment. This change will fix syntax error on code that looks like this: #define MY_DEPRECATED_ENUM(X) X __pragma(deprecated(X)) enum myEnum { myEnum_1 = 1, MY_DEPRECATED_ENUM(myEnum_2) = 2, myEnum_3, myEnum_4, }; int main() { myEnum a = myEnum_3; printf("%d", a); return 0; } This change was fiscussed here: https://sourceforge.net/p/cppcheck/discussion/general/thread/1808a46b/