From 3c5422e719d1fbabccaa9b63605171ea8bdfe57e Mon Sep 17 00:00:00 2001 From: Gaius Mulley Date: Tue, 11 Feb 2025 01:26:43 +0000 Subject: [PATCH] PR modula2/118761: gm2 driver doesnt behave as gcc for -fhelp=BLA This patch enables the gm2 driver to handle -fsyntax-only -fhelp=optimizers, for example, correctly without terminating with gm2: fatal error: no input files. gcc/m2/ChangeLog: PR modula2/118761 * gm2spec.cc (lang_specific_driver): Add case clauses for OPT__help, OPT__help_ set in_added_libraries to 0 and early return. Signed-off-by: Gaius Mulley --- gcc/m2/gm2spec.cc | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/gcc/m2/gm2spec.cc b/gcc/m2/gm2spec.cc index a9dc4703ce3..868e5c5619e 100644 --- a/gcc/m2/gm2spec.cc +++ b/gcc/m2/gm2spec.cc @@ -576,6 +576,12 @@ lang_specific_driver (struct cl_decoded_option **in_decoded_options, args[i] |= SKIPOPT; /* We will add the option if it is needed. */ m2_path_name = decoded_options[i].arg; break; + case OPT__help: + case OPT__help_: + /* Let gcc.cc handle this, as it has a really + cool facility for handling --help and --verbose --help. */ + *in_added_libraries = 0; + return; case OPT_I: args[i] |= SKIPOPT; /* We will add the option if it is needed. */ push_back_Ipath (decoded_options[i].arg);