--- build/parseSpec.c.orig	2024-10-07 09:35:46.000000000 +0000
+++ build/parseSpec.c	2024-12-16 09:19:43.511920745 +0000
@@ -1309,6 +1309,7 @@ static rpmSpec parseSpec(const char *spe
     spec = newSpec();
 
     spec->specFile = rpmGetPath(specFile, NULL);
+    addMacro(spec->macros, "_specfile", NULL, spec->specFile, RMIL_SPEC);
     pushOFI(spec, spec->specFile);
     /* If explicit --buildroot was passed, grab hold of it */
     if (buildRoot)