treesitter grammars: look for scanner.c

4 years ago · f7752fc99c
parent 93ea4e0102
commit f7752fc99c
1 changed files with 5 additions and 1 deletions
--- a/pkgs/development/tools/parsing/tree-sitter/grammar.nix
+++ b/pkgs/development/tools/parsing/tree-sitter/grammar.nix
@ -30,7 +30,11 @@ stdenv.mkDerivation {
    if [ ! -f "$scanner_cc" ]; then
      scanner_cc=""
    fi
-    $CC -I$src/src/ -shared -o parser -Os $src/src/parser.c $scanner_cc -lstdc++
+    scanner_c="$src/src/scanner.c"
+    if [ ! -f "$scanner_c" ]; then
+      scanner_c=""
+    fi
+    $CC -I$src/src/ -shared -o parser -Os $src/src/parser.c $scanner_cc $scanner_c -lstdc++
    runHook postBuild
  '';
  installPhase = ''