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-rw-r--r--var/spack/repos/builtin/packages/libpng/package.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/var/spack/repos/builtin/packages/libpng/package.py b/var/spack/repos/builtin/packages/libpng/package.py
index 66b4252d6c..0469aa02ce 100644
--- a/var/spack/repos/builtin/packages/libpng/package.py
+++ b/var/spack/repos/builtin/packages/libpng/package.py
@@ -57,7 +57,7 @@ class Libpng(AutotoolsPackage):
# not honored, see
# https://sourceforge.net/p/libpng/bugs/210/#33f1
# '--with-zlib=' + self.spec['zlib'].prefix,
- 'CFLAGS=-I{0}'.format(self.spec['zlib'].prefix.include),
- 'LDFLAGS=-L{0}'.format(self.spec['zlib'].prefix.lib)
+ 'CFLAGS={0}'.format(self.spec['zlib'].headers.include_flags),
+ 'LDFLAGS={0}'.format(self.spec['zlib'].libs.search_flags)
]
return args