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PR modula2/118761: gm2 driver doesnt behave as gcc for -fhelp=BLA

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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 <gaiusmod2@gmail.com>
This commit is contained in:
Gaius Mulley 2025-02-11 01:26:43 +00:00
parent a7ccad4a2e
commit 3c5422e719
1 changed files with 6 additions and 0 deletions
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6
gcc/m2/gm2spec.cc
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@ -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);