[PATCH] WebAssembly: Disable subdirectory configuration for unsupported LD

["Maciej W. Rozycki" <macro@mips.com>]

Remove an LD subdirectory configuration error:

*** ld does not support target wasm32-unknown-none
*** see ld/configure.tgt for supported targets
make[1]: *** [configure-ld] Error 1

which prevents binutils for the WebAssembly target from being built 
unless an explicit `--disable-ld' configuration option has been given. 
Users must not have to disable features selected by default to get a 
working configuration.

	/
	* configure.ac <wasm32-*-*> (noconfigdirs): Add `ld'.
	* configure: Regenerate.
---
Hi,

 It should be obvious.  Also this causes troubles with cross-target 
testing.  OK to apply?

  Maciej
---
 configure    |    3 +++
 configure.ac |    3 +++
 2 files changed, 6 insertions(+)

binutils-wasm32-no-ld.diff
Index: binutils/configure
===================================================================
--- binutils.orig/configure	2018-01-28 00:48:43.000000000 +0000
+++ binutils/configure	2018-02-02 05:48:19.239569799 +0000
@@ -3860,6 +3860,9 @@ case "${target}" in
   vax-*-*)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
+  wasm32-*-*)
+    noconfigdirs="$noconfigdirs ld"
+    ;;
 esac
 
 # If we aren't building newlib, then don't build libgloss, since libgloss
Index: binutils/configure.ac
===================================================================
--- binutils.orig/configure.ac	2018-01-28 00:48:43.000000000 +0000
+++ binutils/configure.ac	2018-02-02 05:48:09.444938712 +0000
@@ -1191,6 +1191,9 @@ case "${target}" in
   vax-*-*)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
+  wasm32-*-*)
+    noconfigdirs="$noconfigdirs ld"
+    ;;
 esac
 
 # If we aren't building newlib, then don't build libgloss, since libgloss