From 4d586c598b758210608a9cf6275cd0f1ec10d3e3 Mon Sep 17 00:00:00 2001
From: "Dr. Christian Tacke"
 <58549698+ChristianTackeGSI@users.noreply.github.com>
Date: Mon, 5 Oct 2020 16:56:52 +0200
Subject: ftgl: Improve shared library building on macOS (#18970)

Add -DCMAKE_MACOSX_RPATH=ON to cmake.
---
 var/spack/repos/builtin/packages/ftgl/package.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/var/spack/repos/builtin/packages/ftgl/package.py b/var/spack/repos/builtin/packages/ftgl/package.py
index bf77dd663a..174050321b 100644
--- a/var/spack/repos/builtin/packages/ftgl/package.py
+++ b/var/spack/repos/builtin/packages/ftgl/package.py
@@ -33,6 +33,8 @@ class Ftgl(CMakePackage):
     def cmake_args(self):
         spec = self.spec
         args = ['-DBUILD_SHARED_LIBS={0}'.format(spec.satisfies('+shared'))]
+        if 'darwin' in self.spec.architecture:
+            args.append('-DCMAKE_MACOSX_RPATH=ON')
         return args
 
     # FIXME: See doc variant comment
-- 
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