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-rw-r--r--nixpkgs/pkgs/tools/misc/hdf5/1.10.nix11
1 files changed, 6 insertions, 5 deletions
diff --git a/nixpkgs/pkgs/tools/misc/hdf5/1.10.nix b/nixpkgs/pkgs/tools/misc/hdf5/1.10.nix
index 4e57a1c8e48a..74d8fce599a8 100644
--- a/nixpkgs/pkgs/tools/misc/hdf5/1.10.nix
+++ b/nixpkgs/pkgs/tools/misc/hdf5/1.10.nix
@@ -1,7 +1,9 @@
-{ lib, stdenv
+{ lib
+, stdenv
 , fetchurl
 , removeReferencesTo
-, zlib ? null
+, zlibSupport ? true
+, zlib
 , enableShared ? !stdenv.hostPlatform.isStatic
 , javaSupport ? false
 , jdk
@@ -24,10 +26,9 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ removeReferencesTo ];
 
-  propagatedBuildInputs = optional (zlib != null) zlib;
+  propagatedBuildInputs = optional zlibSupport zlib;
 
-  configureFlags = []
-    ++ optional enableShared "--enable-shared"
+  configureFlags = optional enableShared "--enable-shared"
     ++ optional javaSupport "--enable-java";
 
   patches = [