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-rw-r--r--pkgs/development/tools/analysis/rr/default.nix6
1 files changed, 5 insertions, 1 deletions
diff --git a/pkgs/development/tools/analysis/rr/default.nix b/pkgs/development/tools/analysis/rr/default.nix
index b0950fb8cb248..4ad19b615f9a6 100644
--- a/pkgs/development/tools/analysis/rr/default.nix
+++ b/pkgs/development/tools/analysis/rr/default.nix
@@ -17,7 +17,11 @@ stdenv.mkDerivation rec {
   '';
 
   buildInputs = [ cmake libpfm zlib python pkgconfig pythonPackages.pexpect which procps gdb ];
-  cmakeFlags = "-DCMAKE_C_FLAGS_RELEASE:STRING= -DCMAKE_CXX_FLAGS_RELEASE:STRING=";
+  cmakeFlags = [
+    "-DCMAKE_C_FLAGS_RELEASE:STRING="
+    "-DCMAKE_CXX_FLAGS_RELEASE:STRING="
+    "-Ddisable32bit=ON"
+  ];
 
   # we turn on additional warnings due to hardening
   NIX_CFLAGS_COMPILE = "-Wno-error";