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-rw-r--r--var/spack/repos/builtin/packages/hdf5/package.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/var/spack/repos/builtin/packages/hdf5/package.py b/var/spack/repos/builtin/packages/hdf5/package.py
index 6c80b78e0d..0aa7e5b730 100644
--- a/var/spack/repos/builtin/packages/hdf5/package.py
+++ b/var/spack/repos/builtin/packages/hdf5/package.py
@@ -185,7 +185,7 @@ class Hdf5(AutotoolsPackage):
# Quiet warnings/errors about implicit declaration of functions in C99
if name == "cflags":
- if "clang" in self.compiler.cc or "gcc" in self.compiler.cc:
+ if "%clang" in self.spec or "%gcc" in self.spec:
flags.append("-Wno-implicit-function-declaration")
return (None, None, flags)