Le 07/03/2022 13:34, sisyphus a écrit :
On Mon, Mar 7, 2022 at 6:27 PM Gisle Vanem <gisle.va...@gmail.com>
wrote:
> A command that displays only the value of __MINGW64_VERSION_MAJOR would
> probably suffice.
Some .bat-file with:
setlocal
set %find=%WinDir%\system32\find.exe
if %MINGW32%. == . set MINGW32=f:\MinGW32\TDM-gcc
type "%MINGW32%\x86_64-w64-mingw32\include\_mingw_mac.h" | ^
%find% "__MINGW64_VERSION_MAJOR" | %find% "#define")
------------------
Thank you, Gisle - that sounds like a good place to start.
Unfortunately that approach gives me output of (eg):
#define __MINGW64_VERSION_MAJOR 8
whereas I'm hoping to obtain just the value of __MINGW64_VERSION_MAJOR
,
and nothing else. (I want to retrieve that value inside a Makefile that
will be run in a cmd.exe shell.)
According to
https://superuser.com/questions/1488014/batch-file-extract-number-from-string-using-regex
there is some regex capability with batch files.
Not sure if there's a solution for me in that, but I'll investigate
that
possibility.
You can ask GCC itself:
$ x86_64-w64-mingw32-gcc -E -include windows.h -
<<<"__MINGW64_VERSION_MAJOR" | tail -n 1
9
Regards,
Stephen
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