versioning fix

1 files changed, 3 insertions, 2 deletions

diff --git a/build.zig b/build.zig
index ebde0a2..93ad337 100644
--- a/build.zig
+++ b/build.zig
@@ -17,7 +17,9 @@ pub fn build(b: *std.Build) void {
     
     // Adding a build version
 
-    root.addCMacro("BUILD_VERSION", GetVersionString(b, optimize) catch "Build UNTRACKED");
+    const build_ver = GetVersionString(b, optimize) catch "Build UNTRACKED";
+    if (build_ver.len > 0)
+        root.addCMacro("BUILD_VERSION", build_ver);
 
     root.addCSourceFiles(.{
         .files = &[_][]const u8 {
@@ -60,7 +62,6 @@ pub fn build(b: *std.Build) void {
         .root_module = root,
     });
 
-
     b.installArtifact(exe);
 
     const run_step = b.step("run", "Run the app");