------- Comment #2 from nickc at redhat dot com 2007-03-28 11:38 -------
Subject: Re: gcc --help=target gives a linker error.
Hi Brooks,
I have a patch to fix this problem (attached). Unfortunately due to
an internal bugzilla error I cannot (currently) upload the patch to this PR.
Cheers
Nick
gcc/ChangeLog
2007-03-28 Nick Clifton <[EMAIL PROTECTED]>
PR driver/31353
* gcc.c (process_command): Pass --help= switch on to
pre-processor, assembler and linker sub-processes.
Index: gcc/gcc.c
===================================================================
--- gcc/gcc.c (revision 123290)
+++ gcc/gcc.c (working copy)
@@ -3607,11 +3607,26 @@ warranty; not even for MERCHANTABILITY o
else if (strncmp (argv[i], "-fhelp=", 7) == 0)
{
/* translate_options () has turned --help into -fhelp. */
- print_subprocess_help = 2;
+ print_subprocess_help = 1;
/* We will be passing a dummy file on to the sub-processes. */
n_infiles++;
n_switches++;
+
+ if (strcmp (argv[i] + 7, "target") == 0)
+ {
+ if (is_cpp_driver)
+ add_preprocessor_option ("--target-help", 13);
+ add_assembler_option ("--target-help", 13);
+ add_linker_option ("--target-help", 13);
+ }
+ else
+ {
+ if (is_cpp_driver)
+ add_preprocessor_option ("--help", 6);
+ add_assembler_option ("--help", 6);
+ add_linker_option ("--help", 6);
+ }
}
else if (strcmp (argv[i], "-ftarget-help") == 0)
{
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31353