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-rw-r--r--var/spack/repos/builtin/packages/petsc/package.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/var/spack/repos/builtin/packages/petsc/package.py b/var/spack/repos/builtin/packages/petsc/package.py
index 1b5f0de186..3bdee89feb 100644
--- a/var/spack/repos/builtin/packages/petsc/package.py
+++ b/var/spack/repos/builtin/packages/petsc/package.py
@@ -316,7 +316,7 @@ class Petsc(Package):
if 'zlib' in spec:
options.extend([
'--with-zlib-include=%s' % spec['zlib'].prefix.include,
- '--with-zlib-lib=%s' % spec['zlib'].libs.ld_flags,
+ '--with-zlib-lib=%s' % spec['zlib'].libs.joined(),
'--with-zlib=1'
])
else: