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-rw-r--r--var/spack/repos/builtin/packages/root/package.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/root/package.py b/var/spack/repos/builtin/packages/root/package.py
index 8af37a5a3f..ccdd9df03a 100644
--- a/var/spack/repos/builtin/packages/root/package.py
+++ b/var/spack/repos/builtin/packages/root/package.py
@@ -602,6 +602,11 @@ class Root(CMakePackage):
if '+opengl' in spec:
add_include_path('glew')
add_include_path('mesa-glu')
+ if 'platform=darwin' in spec:
+ # Newer deployment targets cause fatal errors in rootcling, so
+ # override with an empty value even though it may lead to link
+ # warnings when building against ROOT
+ env.unset('MACOSX_DEPLOYMENT_TARGET')
def setup_run_environment(self, env):
env.set('ROOTSYS', self.prefix)