Description of problem:

Cannot rebuild weston-7.0.0-2.fc32 package in Rawhide because meson wants to find c++ compiler which is not in dependencies. I don't think weston actually needs C++ compiler, does it? Does meson look for C++ compiler unconditionally?

[..]
Dependency gobject-2.0 found: YES (cached)
Dependency egl found: YES (cached)
Dependency glesv2 found: YES (cached)
Dependency wayland-egl found: YES (cached)
Found CMake: /usr/bin/cmake (3.16.2)

clients/meson.build:320:2: ERROR: Unknown compiler(s): ['c++', 'g++', 'clang++', 'pgc++', 'icpc']
The follow exceptions were encountered:
Running "c++ --version" gave "[Errno 2] No such file or directory: 'c++'"
Running "g++ --version" gave "[Errno 2] No such file or directory: 'g++'"
Running "clang++ --version" gave "[Errno 2] No such file or directory: 'clang++'"
Running "pgc++ --version" gave "[Errno 2] No such file or directory: 'pgc++'"
Running "icpc --version" gave "[Errno 2] No such file or directory: 'icpc'"

A full log can be found at /root/rpmbuild/BUILD/weston-7.0.0/x86_64-redhat-linux-gnu/meson-logs/meson-log.txt
error: Bad exit status from /var/tmp/rpm-tmp.VIUaIA (%build)


RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.VIUaIA (%build)


Version-Release number of selected component (if applicable):

weston-7.0.0-2.fc32