From 58a57bf391fe376d529b8afda8b5381c09638c56 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eric=20M=C3=BCller?= <mueller@kip.uni-heidelberg.de>
Date: Fri, 6 Apr 2018 22:46:47 +0200
Subject: [PATCH] Fix build of xerces-c (#7611)

The build requires libiconv (but it doesn't find it when not providing
LDFLAGS).
---
 var/spack/repos/builtin/packages/xerces-c/package.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/var/spack/repos/builtin/packages/xerces-c/package.py b/var/spack/repos/builtin/packages/xerces-c/package.py
index bbdbd714d4..5aae3bb92f 100644
--- a/var/spack/repos/builtin/packages/xerces-c/package.py
+++ b/var/spack/repos/builtin/packages/xerces-c/package.py
@@ -37,5 +37,10 @@ class XercesC(AutotoolsPackage):
 
     version('3.1.4', 'd04ae9d8b2dee2157c6db95fa908abfd')
 
+    depends_on('libiconv')
+
+    def setup_environment(self, spack_env, run_env):
+        spack_env.append_flags('LDFLAGS', self.spec['libiconv'].libs.ld_flags)
+
     def configure_args(self):
         return ['--disable-network']