Build with Cygwin fails

[Michael Weghorn]

Hi Regina,

On 2025-05-17 16:30, Regina Henschel wrote:
> I have attached the output of configure and of build.

the output of the different jobs is interspersed (`make -O` could help 
to prevent that), but from what I can see, the failure is related to 
Harfbuzz and Meson. (The accessibility warnings are just warnings and 
unrelated to the build failure.)

 From the build log:

> python3: can't open file '/cygdrive/c/buildLo2/core/workdir/UnpackedTarball/harfbuzz/C:/BuildLOAdds/meson/meson-1.7.2/meson.py': [Errno 2] No such file or directory
> ...
> make[1]: *** [C:/BuildLO2/core/external/harfbuzz/ExternalProject_harfbuzz.mk:51: C:/buildLo2/core/workdir/ExternalProject/harfbuzz/build] Error 1
> make[1]: *** Waiting for unfinished jobs....


The configure log includes this:

     MESON=C:/BuildLOAdds/meson/meson-1.7.2/meson.py

and apparently there is some problem with the path used during the build 
as `/cygdrive/c/buildLo2/core/workdir/UnpackedTarball/harfbuzz/` can be 
seen as being prepended to that path for some reason.

There was some discussion on IRC recently and others might be able to 
say more, but if I remember correctly, one working configuration since

     commit 9430b6549a6bf4b6717530c578796e93c5a43f9a
     Date:   Wed May 7 19:46:13 2025 +0200

         use meson as an external when building with fully-internal python

should be to add `--enable-python=fully-internal` to autogen.input and 
stop explicitly setting `MESON=...` in which case the LO build will take 
care of downloading meson and using that one instead of a manually 
downloaded one.

Does that help?

Michael
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