GNU bug report logs - #45303
28.0.50; [feature/native-comp] comp.c compilation error on Windows 10

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From: Andrea Corallo <akrl <at> sdf.org>
To: 45303 <at> debbugs.gnu.org
Cc: =?UTF-8?Q?Li=C4=81u <at> debbugs.gnu.org, gongyi.liao <at> gmail.com
Subject: bug#45303: 28.0.50; [feature/native-comp] comp.c compilation error on Windows 10
Date: Fri, 18 Dec 2020 13:28:20 +0000

Andrea Corallo via "Bug reports for GNU Emacs, the Swiss army knife of
text editors" <bug-gnu-emacs <at> gnu.org> writes:

> "Liāu, Kiong-Gē 廖宮毅" <gongyi.liao <at> gmail.com> writes:
>
>> commit 87f6e93799  lead to successful compilation of comp.c, but lead
>> to linker errors while generating temacs.exe:
>>
>>
>>  CCLD     temacs.exe
>> C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
>> comp.o: in function `md5_gz_stream':
>> C:\msys64\home\VWinUser0\Downloads\emacs\native-comp\build\src/../../src/src/comp.c:713:
>> undefined reference to `inflateInit2_'
>> C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
>> C:\msys64\home\VWinUser0\Downloads\emacs\native-comp\build\src/../../src/src/comp.c:730:
>> undefined reference to `inflate'
>
> That's curious, looks you've not zlib but from the config.log you do...

I really would like to understand what's going on here.

We check in configure for zlib presence, actually this is also require
by --with-nativecomp but somehow the linker fails to find it.

Is zlib installed in your system?

If yes could you post the full output of 'make V=1'?

Thanks

  Andrea

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