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lto-plugin.c (onload): Fail to load if -fno-use-linker-plugin is set in COLLECT_GCC_OPTIONS.

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2014-04-02  Richard Biener  <rguenther@suse.de>

	* lto-plugin.c (onload): Fail to load if -fno-use-linker-plugin
	is set in COLLECT_GCC_OPTIONS.

From-SVN: r209011
This commit is contained in:
Richard Biener 2014-04-02 08:25:13 +00:00 committed by Richard Biener
parent a1ce39befe
commit 21b624f069
2 changed files with 12 additions and 0 deletions
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5
lto-plugin/ChangeLog
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@ -1,3 +1,8 @@
2014-04-02 Richard Biener <rguenther@suse.de>
* lto-plugin.c (onload): Fail to load if -fno-use-linker-plugin
is set in COLLECT_GCC_OPTIONS.
2014-03-28 Richard Biener <rguenther@suse.de>
* lto-plugin.c (process_symtab): Handle EINTR and short reads.

7
lto-plugin/lto-plugin.c
View File

@ -1067,5 +1067,12 @@ onload (struct ld_plugin_tv *tv)
"could not register the all_symbols_read callback");
}
/* Support -fno-use-linker-plugin by failing to load the plugin
for the case where it is auto-loaded by BFD. */
char *collect_gcc_options = getenv ("COLLECT_GCC_OPTIONS");
if (collect_gcc_options
&& strstr (collect_gcc_options, "'-fno-use-linker-plugin'"))
return LDPS_ERR;
return LDPS_OK;
}