From 69b2aa71ab3c9bf18d56997a5dd5bee5db4b9102 Mon Sep 17 00:00:00 2001
From: Artturin <Artturin@artturin.com>
Date: Sat, 18 Nov 2023 00:44:18 +0200
Subject: [PATCH] cmake: Fix feature check

Unconditional because once pie is enabled on glibc it will start to fail
---
 pkgs/by-name/cm/cmake/package.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/by-name/cm/cmake/package.nix b/pkgs/by-name/cm/cmake/package.nix
index a57314791501..6da2a9caefbf 100644
--- a/pkgs/by-name/cm/cmake/package.nix
+++ b/pkgs/by-name/cm/cmake/package.nix
@@ -159,6 +159,12 @@ stdenv.mkDerivation (finalAttrs: {
     (lib.cmakeBool "BUILD_CursesDialog" cursesUI)
   ];
 
+  # `pkgsCross.musl64.cmake.override { stdenv = pkgsCross.musl64.llvmPackages_16.libcxxStdenv; }`
+  # fails with `The C++ compiler does not support C++11 (e.g.  std::unique_ptr).`
+  # The cause is a compiler warning `warning: argument unused during compilation: '-pie' [-Wunused-command-line-argument]`
+  # interfering with the feature check.
+  env.NIX_CFLAGS_COMPILE = "-Wno-unused-command-line-argument";
+
   # make install attempts to use the just-built cmake
   preInstall = lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
     sed -i 's|bin/cmake|${buildPackages.cmakeMinimal}/bin/cmake|g' Makefile