From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ricardo Wurmus <rekado@elephly.net>
Subject: Re: Updating mono. Adding MSBuild.
Date: Tue, 02 Apr 2019 10:17:47 +0200
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To: Brett Gilio <brettg@posteo.net>
Cc: Guix-devel <guix-devel@gnu.org>


Brett Gilio <brettg@posteo.net> writes:

> Okay, great Mono-5.0 builds successfully. So with that knowledge, I
> tried to compile the latest Mono-5.18. However, shortly after the
> configuration step it throws
>
> CMake Error: CMake was unable to find a build program corresponding to "Unix Makefiles".  CMAKE_MAKE_PROGRAM is not set.  You probably need to select a different build tool.
> CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage
> CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage
> -- Configuring incomplete, errors occurred!
> See also
> "/tmp/guix-build-mono-5.18.1.0.drv-0/mono-5.18.1.0/mono/btls/build-shared/CMakeFiles/CMakeOutput.log".
>
> The interesting thing is that it uses the gnu-build-system to build the
> csc compiler, and I had to pass cmake as a native-input or else the
> configuration step would fail. So, does anybody know how to deal with
> this cmake issue?

Do you get the errors when using the cmake-build-system?  If you need to
prepare the build you can add custom build phases.

--
Ricardo