diff -Nuar sqlite-version-3.39.0-orig/tool/lemon.c sqlite-version-3.39.0/tool/lemon.c
--- sqlite-version-3.39.0-orig/tool/lemon.c	2022-07-11 09:43:14.689451259 +0800
+++ sqlite-version-3.39.0/tool/lemon.c	2022-07-11 09:45:34.203902838 +0800
@@ -3673,6 +3673,8 @@
     tpltname = buf;
   }else if( access(templatename,004)==0 ){
     tpltname = templatename;
+  }else if( access("/usr/share/lemon/lempar.c", R_OK)==0){
+    tpltname = "/usr/share/lemon/lempar.c";
   }else{
     toFree = tpltname = pathsearch(lemp->argv0,templatename,0);
   }