diff --git a/SCons/Config/gnu b/SCons/Config/gnu
index 62463f2a..07257ac3 100644
--- a/SCons/Config/gnu
+++ b/SCons/Config/gnu
@@ -110,6 +110,8 @@ funcs_obj = None
 def check_requirement(ctx, func, trigger):
 	ctx.Message('Checking for %s requirement... ' % func)
 
+	flags = ctx.env['LINKFLAGS']
+
 	ctx.env.Append(LINKFLAGS = '$NODEFLIBS_FLAG')
 	ctx.env.Append(LINKFLAGS = '-Wl,-e,___main')
 
@@ -123,6 +125,8 @@ def check_requirement(ctx, func, trigger):
 	ret = not ctx.TryLink(test, '.c')
 	ctx.Result(ret)
 
+	ctx.env['LINKFLAGS'] = flags
+
 	return ret
 
 def replace_emitter(env, builder_name):