automake: explicitly set distcheck configure flags
automake: explicitly set distcheck configure flags

Pretty much all of these are enabled by default. Considering the recent
updates (see previous commits) one might as well list most/all of these
here.

Signed-off-by: Emil Velikov <f20878473f414da183da19ee25c8722cc1d711e4@collabora.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler