compiler: Add -fgo-relative-import-path.

	* lang.opt (-fgo-relative-import-path): New option.
	* go-lang.c (go_relative_import_path): New static variable.
	(go_langhook_init): Pass go_relative_import_path to
	go_create_gogo.
	(go_langhook_handle_option): Handle -fgo-relative-import-path.
	* go-c.h (go_create_gogo): Update declaration.
	* gccgo.texi (Invoking gccgo): Document
	-fgo-relative-import-path.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193008 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 0 deletions

diff --git a/gcc/go/gccgo.texi b/gcc/go/gccgo.texi
index a5e37e76e80..91930c812f6 100644
--- a/gcc/go/gccgo.texi
+++ b/gcc/go/gccgo.texi
@@ -184,6 +184,12 @@ Using either @option{-fgo-pkgpath} or @option{-fgo-prefix} disables
 the special treatment of the @code{main} package and permits that
 package to be imported like any other.
 
+@item -fgo-relative-import-path=@var{dir}
+@cindex @option{-fgo-relative-import-path}
+A relative import is an import that starts with @file{./} or
+@file{../}.  If this option is used, @command{gccgo} will use
+@var{dir} as a prefix for the relative import when searching for it.
+
 @item -frequire-return-statement
 @itemx -fno-require-return-statement
 @cindex @option{-frequire-return-statement}