Add b_colorout option for Clang compilers.
Add b_colorout option for Clang compilers.

thiblahute/meson,wberrier/meson,becm/meson,MathieuDuponchelle/meson,pexip/meson,jpakkane/meson,rhd/meson,pexip/meson,pexip/meson,MathieuDuponchelle/meson,MathieuDuponchelle/meson,mesonbuild/meson,pexip/meson,QuLogic/meson,fmuellner/meson,thiblahute/meson,trhd/meson,QuLogic/meson,thiblahute/meson,trhd/meson,jeandet/meson,aaronp24/meson,rhd/meson,jeandet/meson,MathieuDuponchelle/meson,becm/meson,MathieuDuponchelle/meson,rhd/meson,ernestask/meson,jpakkane/meson,pexip/meson,pexip/meson,becm/meson,becm/meson,jpakkane/meson,pexip/meson,aaronp24/meson,MathieuDuponchelle/meson,ernestask/meson,ernestask/meson,jeandet/meson,mesonbuild/meson,wberrier/meson,aaronp24/meson,jpakkane/meson,jeandet/meson,QuLogic/meson,ernestask/meson,becm/meson,ernestask/meson,jpakkane/meson,ernestask/meson,MathieuDuponchelle/meson,fmuellner/meson,aaronp24/meson,aaronp24/meson,jeandet/meson,rhd/meson,jeandet/meson,rhd/meson,MathieuDuponchelle/meson,jeandet/meson,becm/meson,aaronp24/meson,becm/meson,mesonbuild/meson,thiblahute/meson,fmuellner/meson,wberrier/meson,wberrier/meson,jpakkane/meson,mesonbuild/meson,MathieuDuponchelle/meson,pexip/meson,fmuellner/meson,QuLogic/meson,thiblahute/meson,trhd/meson,ernestask/meson,wberrier/meson,trhd/meson,jeandet/meson,mesonbuild/meson,QuLogic/meson,thiblahute/meson,becm/meson,ernestask/meson,trhd/meson,wberrier/meson,mesonbuild/meson,becm/meson,fmuellner/meson,aaronp24/meson,ernestask/meson,aaronp24/meson,jpakkane/meson,trhd/meson,thiblahute/meson,mesonbuild/meson,QuLogic/meson,mesonbuild/meson,trhd/meson,jpakkane/meson,rhd/meson,pexip/meson,QuLogic/meson,fmuellner/meson,rhd/meson,rhd/meson,jeandet/meson,QuLogic/meson,mesonbuild/meson,fmuellner/meson,QuLogic/meson,fmuellner/meson,wberrier/meson,aaronp24/meson,thiblahute/meson,pexip/meson,trhd/meson,fmuellner/meson,jpakkane/meson,mesonbuild/meson,thiblahute/meson,trhd/meson,wberrier/meson,becm/meson