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aix: collect2 text files in archive

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Rust places text files in archives.  AIX ld ignores such files with a
warning.  The collect2 wrapper for ld had been exiting with a fatal
error if it scanned an archive that contained a non-COFF file.

This patch updates collect2.c to issue a warning and ignore the file
member, matching the behavior of AIX ld.  GCC can encounter archives
created by Rust and should not issue a fatal error.  This changes
fatal_error to warning, with an implicit location and no associated
optimization flag.

gcc/ChangeLog:

2021-05-20  Clement Chigot  <clement.chigot@atos.net>
	    David Edelsohn  <dje.gcc@gmail.com>

	* collect2.c (scan_prog_file): Issue non-fatal warning for
	non-COFF files.
This commit is contained in:
David Edelsohn 2021-05-20 14:07:18 -04:00
parent 885035eacb
commit 5a3bf28119
1 changed files with 4 additions and 1 deletions
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5
gcc/collect2.c
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@ -2779,7 +2779,10 @@ scan_prog_file (const char *prog_name, scanpass which_pass,
if ((ldptr = ldopen (CONST_CAST (char *, prog_name), ldptr)) != NULL) if ((ldptr = ldopen (CONST_CAST (char *, prog_name), ldptr)) != NULL)
{ {
if (! MY_ISCOFF (HEADER (ldptr).f_magic)) if (! MY_ISCOFF (HEADER (ldptr).f_magic))
fatal_error (input_location, "%s: not a COFF file", prog_name); {
warning (0, "%s: not a COFF file", prog_name);
continue;
}
if (GCC_CHECK_HDR (ldptr)) if (GCC_CHECK_HDR (ldptr))
{ {