For Vala projects, is possible to distribute C source code then is not necessary to have installed Vala's compiler to create binaries versions.
Now, if a Vala project doesn't distribute its C, GIR and/or VAPI generated files, then you need VALAC. Then is the project distribute all its generated files and build process, don't required to call VALAC at all, this bug can be dismissed and filed one against the project's upstream. Is this correct? -- This electronic message may contain privileged and confidential information intended only for the use of the addressees named above. If you are not the intended recipient of this email, we kindly ask you to delete this message and any attachment. You are hereby notified that any use, dissemination, distribution, reproduction of this email is prohibited. If you have received this email in error, please notify sender immediately. Any document, image or any other form of electronic representation of any work attached to this email, is suitable to be protected by copyright enforcement by applicable law in your or sender's Country's and International Legislation Trabajar, la mejor arma para tu superación "de grano en grano, se hace la arena" (R) (en trámite, pero para los cuates: LIBRE)