> > Am I right in reading that you use both MSYS/mingw.org and > MSYS2/MinGW-w64? Most people are sloppy about terminology so it gets > confusing very easily.
Half of the icons on my desktop are different mingw/msys versions :). I've been using msys2/MinGW-w64, in preference, and lately I made a new installation in order to achieve "vanilla" status for testing the plplot build. Prior to this I've had mingw.org+? from various states of naivete' since march of last year. I had been using an msys1/mingw-w64 combo prior to installing my first msys2. Recently I made a new pure mingw/msys1 (mingw.org) but haven't done much with it. When I say mingw/msys I'm saying it with a deliberate conflation of any mingw/msysX combo, because I'm of the opinion that they are the same from the perspective of CMake. At certain points, though, CMake may want to know where "/usr" is truly located. Regards, Greg On Tue, Aug 11, 2015 at 2:00 PM, Ray Donnelly <[email protected]> wrote: > On Tue, Aug 11, 2015 at 9:09 PM, Greg Jung <[email protected]> wrote: > > Do note that I am an "observer" or "reporter" and not responsible for the > > posix-version cmake in msys2. Ray Donnelly is much closer to that than I > > am. > > What I can do, though, is bring in the modules (.cmake files) and make > sure > > the changes (already) effected there can co-exist with a normal MSYS > (using > > mingw) module collection. Currently, MSYS is almost exactly parallel to > > CYGWIN and this would need to be either (MSYS AND CMAKE_HOST_UNIX) or > (MSYS > > AND NOT MINGW). Probably the latter. > > Greg, > > Am I right in reading that you use both MSYS/mingw.org and > MSYS2/MinGW-w64? Most people are sloppy about terminology so it gets > confusing very easily. > > > > > Regards, > > Greg > > > > On Tue, Aug 11, 2015 at 6:18 AM, Brad King <[email protected]> > wrote: > >> > >> On 08/10/2015 04:07 PM, Greg Jung wrote: > >> > There is an msys2-specific cmake version already built along those > >> > lines, > >> > with several patches in the modules section to parallel the CYGWIN > >> > cases, > >> > in the msys2 distribution. It does not have a "MSYS Makefiles" > >> > generator > >> > option but uses "Unix generator" as you anticipate. > >> > >> In order to get CMAKE_HOST_UNIX set properly for CMakeDetermineSystem > >> shouldn't we upstream your changes for a msys2-specific CMake? I > presume > >> it does a "#if defined(__MSYS__)" somewhere near where we already do > >> "#if defined(__CYGWIN__)". > > You can see our patch to add MSYS2 support here: > > https://github.com/Alexpux/MSYS2-packages/blob/master/cmake/cmake-3.2.3-msys.patch > .. #if defined(__MSYS__) is used and we just set CMAKE_SYSTEM_NAME to > MSYS, not MSYS2. If we risk breaking MSYS then we can go for MSYS2 I > guess. We might need to patch a few projects we build in that case, > but that's fine. There's no compiler flag that identifies MSYS2 as > distinct from MSYS though .. I guess GCC version could be used as I'd > be surprised if MSYS update their GCC version again. > > In terms of working on this, initially I was actually keen to try to > be able to use MinGW-w64 CMake to build even msys-2.0.dll-linked > software, but I guess I was being hopeful as two other MSYS2 > developers disagreed with me :-) Alexey Pavlov did all of the work on > our msys2/cmake package and he's on holiday this month. I've done a > good bit of work on our native MinGW-w64 cmake packages so I know my > way around it a bit, if you want to progress this before then. > > Best regards, > > Ray. > > >> > >> Thanks, > >> -Brad > >> > > >
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