From d5018e77a39bc25d654b4bc9bd057b7798889fb7 Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@googlemail.com>
Date: Wed, 16 Dec 2015 09:32:48 +0100
Subject: [PATCH] gnuplot : modifications to build on RHLE 6

---
 var/spack/packages/fontconfig/package.py | 3 ++-
 var/spack/packages/gnuplot/package.py    | 4 +++-
 var/spack/packages/libgd/package.py      | 2 ++
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/var/spack/packages/fontconfig/package.py b/var/spack/packages/fontconfig/package.py
index 89b13604e8..517c9d1813 100644
--- a/var/spack/packages/fontconfig/package.py
+++ b/var/spack/packages/fontconfig/package.py
@@ -8,9 +8,10 @@ class Fontconfig(Package):
     version('2.11.1' , 'e75e303b4f7756c2b16203a57ac87eba')
 
     depends_on('freetype')
+    depends_on('libxml2')
 
     def install(self, spec, prefix):
-        configure("--prefix=%s" % prefix)
+        configure("--prefix=%s" % prefix, "--enable-libxml2")
 
         make()
         make("install")
diff --git a/var/spack/packages/gnuplot/package.py b/var/spack/packages/gnuplot/package.py
index e034cb0995..71c09bd43d 100644
--- a/var/spack/packages/gnuplot/package.py
+++ b/var/spack/packages/gnuplot/package.py
@@ -45,7 +45,9 @@ class Gnuplot(Package):
     depends_on('libgd')
     depends_on('cairo')
     depends_on('pango')
-    depends_on('wx')
+    depends_on('wx', when='+wx')
+
+    variant('wx', default=False, description='Activates wxWidgets terminal')
 
     def install(self, spec, prefix):
         # It seems there's an open bug for wxWidgets support
diff --git a/var/spack/packages/libgd/package.py b/var/spack/packages/libgd/package.py
index b066b43878..d920957ef1 100644
--- a/var/spack/packages/libgd/package.py
+++ b/var/spack/packages/libgd/package.py
@@ -39,6 +39,8 @@ class Libgd(Package):
 
     version('2.1.1', 'e91a1a99903e460e7ba00a794e72cc1e')
 
+    depends_on('libpng')
+
     def install(self, spec, prefix):
 
         with working_dir('spack-build', create=True):
-- 
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