Forwarding to mingw list from gcc-help: "Sisyphus" <isyphus1 at optusnet dot com dot au> wrote: > Hi, > On linux I'm using gcc 3.2.2. If I run a command like: > > gcc -c foo.c -I/usr/include -v > > then I'm told that '-I/usr/include/' is being ignored "as it is a non-system > directory that duplicates a system directory". > > That's good - and the way it should be, imho. > > On Win32 I'm using the MinGW port of gcc 3.4.4. One of the system > directories is 'D:/MinGW/include'. If, on Win32, I run a command like: > > gcc -c foo.c -ID:/MinGW/include -v > > then I find that D:/MinGW/include is simply inserted at the beginning of the > search path - and, furthermore, that D:/MinGW/include *loses* its status as > a system directory. > > This is not good. > I think the problem is that, because of lack of meaningful inode numbers, the mechanism to detect duplicate directories in gcc/c-incpath.c: remove_duplicates fails. Hence, we cannot ignore duplicates of system directories on mingw32. Replacing INO_T_EQ with a mingw-host function that does a strcmp of lrealpath() pathnames works. Danny > The question: > Do I raise this with you people, or do I raise it with the MinGW folk ? > > I *think* it's a MinGW implemenation issue (in which case I raise it with > them) .... but, faik, it could be something that changed between gcc-3.2.2 > and gcc-3.4.4. Can someone confirm ? > > Cheers, > Rob
