LO build failure in Windows 10 (No C-89 compiler found in libassuan part)

[Hossein Nourikhah]

Hello,

On 27.12.2021 18:46, Jan-Marek Glogowski wrote:
> Am 27.12.21 um 18:30 schrieb Julien Nabet:
>> On Win10, I updated my local repo after some weeks and it fails with:
> 
> And you updated Cygwin...
> 
>> checking how to run the C preprocessor... 
>> C:/cygwin/home/serva/lode/dev/core/workdir/LinkTarget/Executable/gcc-wrapper.exe 
>> -E
>> configure: error: No C-89 compiler found
>> make[1]: *** 
>> [C:/cygwin/home/serva/lode/dev/core/external/libassuan/ExternalProject_libassuan.mk:26: 
>> C:/cygwin/home/serva/lode/dev/core/workdir/ExternalProject/libassuan/build] 
>> Error 1
>> make: *** [Makefile:291: build] Error 2
> 
> Cygwin updated the default to autoconf 2.70+. Workaround: uninstall
> the autoconf2.7 package and install the autoconf2.5 (2.69) package and
> downgrade the meta-package. AFAIK --disable-gpgmepp also works, but I
> didn't test.

I have tested building LibreOffice using --disable-gpgmepp on Windows 
10, Cygwin 3.3.3 and autoconf 2.71 using VS 2019 and it worked fine. The 
two ways to fix this problem are now written down in the wiki:

https://wiki.documentfoundation.org/Development/BuildingOnWindows#Install_Cygwin_Requirements

Regards,
Hossein

-- 
Hossein Nourikhah, Ph.D.
Developer Community Architect
The Document Foundation (TDF)
Email: hossein at libreoffice.org
Wiki:  https://wiki.documentfoundation.org/User:Hossein
IRC:   hossein at libreoffice-dev room in LiberaChat Network
        irc://irc.libera.chat/#libreoffice-dev