[PATCH] build_wrapper: Call customization hook

It can be useful to customize the build wrapper for local needs: for
instance, one may need to compile additional objects to add
initialization code depending on the target board or multilibs in use.

2020-09-14  Torbjörn SVENSSON <[email protected]>

	* lib/libgloss.exp (build_wrapper): Call build_wrapper_hook.
---
 lib/libgloss.exp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/libgloss.exp b/lib/libgloss.exp
index 8e8a9ce..956701e 100644
--- a/lib/libgloss.exp
+++ b/lib/libgloss.exp
@@ -961,6 +961,9 @@ proc build_wrapper { gluefile } {
     }
     if { [target_compile $libdir/testglue.c $gluefile object $flags] eq "" } {
 	set gluefile [remote_download host $gluefile ${tool}_tg.o]
+	if {[info procs build_wrapper_hook] != ""} {
+	    build_wrapper_hook $gluefile $result $flags
+	}
 	return [list $gluefile $result]
     } else {
 	return ""
-- 
2.7.4