lcalc: fix clang-19 build (NixOS#370176)

khaneliman · Jan 2, 2025 · 719b1e4 · 719b1e4
2 parents 27b7fc9 + 6e95ad3
commit 719b1e4
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/pkgs/by-name/lc/lcalc/package.nix b/pkgs/by-name/lc/lcalc/package.nix
@@ -19,6 +19,14 @@ stdenv.mkDerivation rec {
     hash = "sha256-RxWZ7T0I9zV7jUVnL6jV/PxEoU32KY7Q1UsOL5Lonuc=";
   };
 
+  # workaround for vendored GCC 3.5 <complex>
+  # https://gitlab.com/sagemath/lcalc/-/issues/16
+  env.NIX_CFLAGS_COMPILE = toString [
+    "-D_GLIBCXX_COMPLEX"
+    "-D_LIBCPP_COMPLEX"
+    "-D_LIBCPP___FWD_COMPLEX_H"
+  ];
+
   nativeBuildInputs = [
     autoreconfHook
     gengetopt