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-rw-r--r--third_party/nix/default.nix8
1 files changed, 8 insertions, 0 deletions
diff --git a/third_party/nix/default.nix b/third_party/nix/default.nix
index 288ac60a10..6a05135f63 100644
--- a/third_party/nix/default.nix
+++ b/third_party/nix/default.nix
@@ -18,6 +18,11 @@ in stdenv.mkDerivation {
   version = "2.3.4";
   src = ./.;
 
+  # Abseil's sources need to be linked into a subproject.
+  postUnpack = ''
+    ln -fs ${pkgs.abseil_cpp.src} nix/subprojects/abseil_cpp
+  '';
+
   nativeBuildInputs = with pkgs; [
     bison
     clang-tools
@@ -51,6 +56,9 @@ in stdenv.mkDerivation {
     "-Dsandbox_shell=${pkgs.busybox-sandbox-shell}/bin/busybox"
   ];
 
+  # cmake is only included to build Abseil and its hook should not run
+  dontUseCmakeConfigure = true;
+
   # Install the various symlinks to the Nix binary which users expect
   # to exist.
   postInstall = ''