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authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2014-04-02 08:25:13 +0000
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2014-04-02 08:25:13 +0000
commit531b6659dbfd201037c841deae0c078a453b3454 (patch)
treef712d4f96a28d54acaaf9ed9aed36915007ec792 /lto-plugin
parentad41d5a7eab4ebeb289abaa5297b830c33488baf (diff)
downloadgcc-531b6659dbfd201037c841deae0c078a453b3454.tar.gz
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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@209011 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'lto-plugin')
-rw-r--r--lto-plugin/ChangeLog5
-rw-r--r--lto-plugin/lto-plugin.c7
2 files changed, 12 insertions, 0 deletions
diff --git a/lto-plugin/ChangeLog b/lto-plugin/ChangeLog
index 8dcbc08bb5c..de0db1db442 100644
--- a/lto-plugin/ChangeLog
+++ b/lto-plugin/ChangeLog
@@ -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.
diff --git a/lto-plugin/lto-plugin.c b/lto-plugin/lto-plugin.c
index 1432340b015..910e23cd609 100644
--- a/lto-plugin/lto-plugin.c
+++ b/lto-plugin/lto-plugin.c
@@ -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;
}