On 11/1/2015 11:03 PM, Greg Jung wrote:
> msys2 does not install anything in /opt/.
> But you don't have to choose,
> because gcc will find
> the directories it needs.
>
$ find / -name dos.h
/mingw32/i686-w64-mingw32/include/dos.h
/mingw64/x86_64-w64-mingw32/include/dos.h
/opt/i686-w64-mingw32/include/dos.h
/opt/x86_64-w64-mingw32/include/dos.h
If msys2 didn't install anything in /opt directory, then who did? :) I
certainly didn't copy anything there. There seem to be duplicate files
all over the place.
Nevertheless, you're right, gcc will find the directories. It was
complaining before, and I was having to set -I flag, because I was
mistakenly compiling with cc, instead of intended gcc. A shell script
was setting CC, but mistakenly not exporting. On ubuntu linux, it didn't
matter, because cc == gcc. But here is did matter.
$ cc hello.c
hello.c:2:17: fatal error: dos.h: No such file or directory
#include <dos.h>
^
compilation terminated.
$
Once the shell script was fixed up, exported CC, the makefile saw to use
gcc instead of cc, it automatically finds the directories.
$ gcc hello.c
$
Thanks!
> On Sun, Nov 1, 2015 at 9:31 PM, Daniel Goldman <[email protected]
> <mailto:[email protected]>> wrote:
>
> What's the difference between the following two directories?
>
> $ ls /opt/i686-w64-mingw32/include/ | wc
> 1351 1351 14418
> $ ls /mingw32/i686-w64-mingw32/include | wc
> 1487 1487 16404
>
> Which should I use for compiling a 32 bit windows application?
>
> Thanks,
> Daniel
>
>
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