Make zig version compliant with SemVer (#1113)

jayschwa · andrewrk · commit b3a3e2094e8b · 2018-06-15T14:06:56.000-04:00
The git revision is build metadata and should be appended with a plus sign. https://semver.org/#spec-item-10
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -30,7 +30,7 @@ if(GIT_EXE)
             message("WARNING: Tag does not match configured Zig version")
         endif()
     else()
-        set(ZIG_VERSION "${ZIG_VERSION_MAJOR}.${ZIG_VERSION_MINOR}.${ZIG_VERSION_PATCH}.${ZIG_GIT_REV}")
+        set(ZIG_VERSION "${ZIG_VERSION}+${ZIG_GIT_REV}")
     endif()
 endif()
 message("Configuring zig version ${ZIG_VERSION}")
