Make error message more informative
Make error message more informative

It's easier to identify a malformed variable assignment if we print it
out.

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