[gn build] use -Xclang form for fdebug-comp-dir for now

nico · nico · commit e8e078c8bf79 · 2020-02-16T21:30:27.000-05:00
The driver version of the flag seems to confuse goma.
diff --git a/llvm/utils/gn/build/BUILD.gn b/llvm/utils/gn/build/BUILD.gn
@@ -196,7 +196,9 @@ config("compiler_defaults") {
     }
     if (use_relative_paths_in_debug_info) {
       cflags += [
+        "-Xclang",
         "-fdebug-compilation-dir",
+        "-Xclang",
         ".",
       ]
     }

Original file line number	Diff line number	Diff line change
`@@ -196,7 +196,9 @@ config("compiler_defaults") {`
`196`	`196`	`}`
`197`	`197`	`if (use_relative_paths_in_debug_info) {`
`198`	`198`	`cflags += [`
	`199`	`+ "-Xclang",`
`199`	`200`	`"-fdebug-compilation-dir",`
	`201`	`+ "-Xclang",`
`200`	`202`	`".",`
`201`	`203`	`]`
`202`	`204`	`}`