On Sunday 25 May 2025 11:47:10 Pali Rohár wrote:
> On Sunday 25 May 2025 12:41:08 Martin Storsjö wrote:
> > On Sun, 18 May 2025, Pali Rohár wrote:
> >
> > > Hello, what do you think about doing one-time automatic deduplication of
> > > lib32 and lib-common def files?
> > >
> > > Since commit cf211ae90565ff02e78c93d93a913501d100f30f ("crt: Remove
> > > @<num> stdcall mangling when processing lib-common/*.def.in files for
> > > non-I386 builds") Makefile can handle stdcall suffixes in lib-common def
> > > files and hence it is possible to have just one def file for all archs,
> > > even when i386 requires stdcall @<num>.
> > >
> > > I was created very simple one-time script which checks if the lib32 and
> > > lib-common def files are same after removing the @num in the same way
> > > how it is doing Makefile.am.
> > >
> > > cd mingw-w64-crt
> > > for file in `ls lib32 | grep 'def$'`; do
> > > if ! test -e lib-common/$file; then continue; fi
> > > sed -E 's/^([^ ]+)@[0-9]+( |$)/\1\2/' < lib32/$file >
> > > lib-common/$file.tmp
> > > if cmp -s lib-common/$file lib-common/$file.tmp; then
> > > git rm lib-common/$file
> > > git mv lib32/$file lib-common/$file
> > > fi
> > > rm lib-common/$file.tmp
> > > done
> > >
> > > And it deduplicated 496 def files. What do you think about it? Just a
> > > robotic change and can decrease number of def files which needs to be
> > > maintained.
> >
> > Since we did land cf211ae90565ff02e78c93d93a913501d100f30f, and also
> > e128670e1340e1726443394d95726bd6e46ab25f as a first example of doing this, I
> > guess we don't have any reason why we shouldn't do this.
> >
> > However - the changes in cf211ae90565ff02e78c93d93a913501d100f30f only strip
> > out @<num> when processing .def.in into .def. If I read the snippet above
> > correctly, it keeps files named .def in lib-common, including the ordinal
> > suffix. So if we do this, we'd need to rename the files to .def.in at the
> > same time, right?
> >
> > // Martin
>
> Yes, that is truth.
So the "git mv lib32/$file lib-common/$file" should be:
git mv lib32/$file lib-common/$file.in
Another improvement in the script could be to not take comments or
LIBRARY line into account (e.g. can contain quotes or upper/lower
cases):
cd mingw-w64-crt
for file in `ls lib32 | grep 'def$'`; do
if ! test -e lib-common/$file; then continue; fi
sed -E '/^\s*;/d;/^\s*LIBRARY/d' < lib-common/$file >
lib-common/$file.tmp1
sed -E 's/^([^ ]+)@[0-9]+( |$)/\1\2/;/^\s*;/d;/^\s*LIBRARY/d' <
lib32/$file > lib-common/$file.tmp2
if cmp -s lib-common/$file.tmp1 lib-common/$file.tmp2; then
git rm lib-common/$file
git mv lib32/$file lib-common/$file.in
fi
rm lib-common/$file.tmp1 lib-common/$file.tmp2
done
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