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build-sys: drop -mms-bitfields GCC flag

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This flag is problematic for some usages, and is no longer needed since
~2012 GCC 4.7 (https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=a6c467624ade35128)

It is dropped from MINGW since:
https://github.com/msys2/MINGW-packages/pull/12891

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau
2023-07-24 14:40:41 +04:00
parent 741a561c4d
commit 252bbcd207
3 changed files with 5 additions and 13 deletions
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8
docs/win32-build.md
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@@ -65,10 +65,10 @@ Building software that just *uses* GLib or GTK also require to have
the right compiler set up the right way. If you intend to use MinGW-GCC,
follow the relevant instructions below in that case, too.
You should link to GLib using the `-mms-bitfields` GCC flag. This flag means
that the struct layout rules are identical to those used by MSVC. This is
essential if the same DLLs are to be usable both from gcc- and MSVC-compiled
code.
You should link to GLib using the `-mms-bitfields` GCC flag. It is the default
since 2012 (GCC 4.7). This flag means that the struct layout rules are identical
to those used by MSVC. This is essential if the same DLLs are to be usable both
from gcc- and MSVC-compiled code.
## Cross-CRT issues