Merge pull request #235498 from reckenrode/getopt-clang-fix

getopt: fix build on clang 16
NixOS · Jun 11, 2023 · 7a88c7f · 7a88c7f
2 parents 2931f3b + b7d4d9f
commit 7a88c7f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/pkgs/tools/misc/getopt/default.nix b/pkgs/tools/misc/getopt/default.nix
@@ -8,6 +8,10 @@ stdenv.mkDerivation rec {
     sha256 = "1zn5kp8ar853rin0ay2j3p17blxy16agpp8wi8wfg4x98b31vgyh";
   };
 
+  # This should be fine on Linux and Darwin. Clang 16 requires it because otherwise getopt will
+  # attempt to use C library functions without declaring them, which is raised as an error.
+  env.NIX_CFLAGS_COMPILE = "-D__GNU_LIBRARY__";
+
   makeFlags = [
     "WITHOUT_GETTEXT=1"
     "LIBCGETOPT=0"