From 298f5562c99ad3ad87da9e0df78bc25e95ce0c02 Mon Sep 17 00:00:00 2001
From: Axel Huebl <axel.huebl@plasma.ninja>
Date: Mon, 8 Jan 2018 16:14:38 +0100
Subject: [PATCH] Rmlab: Control PNG (#6846)
Control the find_package of the PNG variant explicitly.
This avoids picking up an "external" PNGwriter install in
case `~png` is picked by changing the default "AUTO" search
to explicit "ON" (required) of "OFF" (ignore if exists).
---
var/spack/repos/builtin/packages/rmlab/package.py | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/var/spack/repos/builtin/packages/rmlab/package.py b/var/spack/repos/builtin/packages/rmlab/package.py
index 2fa927a1ac..d089393ab4 100644
--- a/var/spack/repos/builtin/packages/rmlab/package.py
+++ b/var/spack/repos/builtin/packages/rmlab/package.py
@@ -47,3 +47,12 @@ class Rmlab(CMakePackage):
conflicts('%pgi@:14')
depends_on('pngwriter@0.6.0:', when='+png')
+
+ def cmake_args(self):
+ spec = self.spec
+
+ args = [
+ '-DRmlab_USE_PNG={0}'.format(
+ 'ON' if '+png' in spec else 'OFF')
+ ]
+ return args
--
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