From 9c54d8ef6c1a519b87754b478f0dc1f67cbb9cb6 Mon Sep 17 00:00:00 2001
From: "Adam J. Stewart" <ajstewart426@gmail.com>
Date: Sun, 23 Jun 2019 11:35:33 -0500
Subject: [PATCH] r-sf may not support PROJ.6 (#11767)

* r-sf may not support PROJ.6

* Add comment explaining dep
---
 var/spack/repos/builtin/packages/r-sf/package.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/var/spack/repos/builtin/packages/r-sf/package.py b/var/spack/repos/builtin/packages/r-sf/package.py
index 68e61eb1c7..711915fc6f 100644
--- a/var/spack/repos/builtin/packages/r-sf/package.py
+++ b/var/spack/repos/builtin/packages/r-sf/package.py
@@ -25,4 +25,6 @@ class RSf(RPackage):
     depends_on('r-magrittr', type=('build', 'run'))
     depends_on('gdal@2.0.0:')
     depends_on('geos@3.3.0:')
-    depends_on('proj@4.8.0:')
+    # Since PROJ.4 and PROJ.6 have incompatible APIs, I'm assuming
+    # that since r-sf supports PROJ.4, it doesn't support PROJ.6
+    depends_on('proj@4.8.0:5')
-- 
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