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-rw-r--r--pkgs/development/compilers/llvm/8/libunwind.nix4
1 files changed, 3 insertions, 1 deletions
diff --git a/pkgs/development/compilers/llvm/8/libunwind.nix b/pkgs/development/compilers/llvm/8/libunwind.nix
index 6483200285366..75edd1fff54de 100644
--- a/pkgs/development/compilers/llvm/8/libunwind.nix
+++ b/pkgs/development/compilers/llvm/8/libunwind.nix
@@ -1,4 +1,4 @@
-{ stdenv, version, fetch, cmake, fetchpatch }:
+{ stdenv, version, fetch, cmake, fetchpatch, enableShared ? true }:
 
 stdenv.mkDerivation {
   name = "libunwind-${version}";
@@ -19,4 +19,6 @@ stdenv.mkDerivation {
   ];
 
   enableParallelBuilding = true;
+
+  cmakeFlags = stdenv.lib.optional (!enableShared) "-DLIBUNWIND_ENABLE_SHARED=OFF";
 }