From 01fe8e27da2cbebfe2db79606e7bb846554a6863 Mon Sep 17 00:00:00 2001
From: Thomas Jahns <address@hidden>
Date: Mon, 31 Oct 2016 11:08:43 +0100
Subject: [PATCH] Fix handling of flags for GNU ld library grouping.

* -Wl,--start-group -Wl,--end-group -Wl,-\( -Wl,-) must preserve their
  respective position within the list of libraries to work as expected.
---
 build-aux/ltmain.in | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/build-aux/ltmain.in b/build-aux/ltmain.in
index 4cd3818..41e95d9 100644
--- a/build-aux/ltmain.in
+++ b/build-aux/ltmain.in
@@ -5324,6 +5324,11 @@ func_mode_link ()
 	arg=$func_stripname_result
 	;;
 
+      -Wl,--start-group|-Wl,--end-group|-Wl,-\(|-Wl,-\))
+	func_append deplibs " $arg"
+	continue
+	;;
+
       -Wl,*)
 	func_stripname '-Wl,' '' "$arg"
 	args=$func_stripname_result
@@ -5938,6 +5943,15 @@ func_mode_link ()
 	  alldeplibs=:
 	  continue
 	  ;;
+        -Wl,--start-group|-Wl,--end-group|-Wl,-\(|-Wl,-\))
+	  if test "$linkmode,$pass" = "prog,link"; then
+	    compile_deplibs="$deplib $compile_deplibs"
+	    finalize_deplibs="$deplib $finalize_deplibs"
+	  else
+	    deplibs="$deplib $deplibs"
+	  fi
+	  continue
+	  ;;
 	esac # case $deplib
 
 	$found || test -f "$lib" \
-- 
2.7.0.79.gdc08a19