/usr/include/GNUstep/Foundation/GSMime.h is in libgnustep-base-dev 1.22.1-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | #warning GSMime.h is now included using the path <GNUstepBase/GSMime.h>
#include <GNUstepBase/GSMime.h>
|