commit 79f277ad142b083f4724027a8ea64a66eae813aa
author Than McIntosh <thanm@google.com> Thu Jun 21 16:20:50 2018 -0400
committer Than McIntosh <thanm@google.com> Fri Jun 22 12:43:01 2018 +0000
tree 5e550e7d219a53a4e1a659bdb79e1f6be107e429
parent aa1ebf9d29d92462a8137537ffdedcc48a2286fc

gollvm: accept and ignore "-isystem" command line flag

Accept (and ignore) the -isystem option. This is another one of those
C-specific flags that it is helpful to not issue an error on.

Change-Id: Iede095e1c4ccf972e4558eb6c15275fd1346a4c7
Reviewed-on: https://go-review.googlesource.com/120415
Reviewed-by: Cherry Zhang <cherryyz@google.com>

driver/GollvmOptions.td

diff --git a/driver/GollvmOptions.td b/driver/GollvmOptions.td
index 968d6a0..b1b1fd6 100644
--- a/driver/GollvmOptions.td
+++ b/driver/GollvmOptions.td
@@ -123,6 +123,10 @@
     Flags<[Ignored]>, MetaVarName<"<macro>=<value>">,
     HelpText<"This option is ignored">;
 
+def isystem : JoinedOrSeparate<["-"], "isystem">, Group<CompileOnly_Group>,
+  Flags<[Ignored]>,
+  HelpText<"This option is ignored">, MetaVarName<"<directory>">;
+
 def O : Joined<["-"], "O">, Group<O_Group>,
     HelpText<"Set optimization level">;