From 5cd3d0ef0fb09a2023e36aa1970e5a5707e625df Mon Sep 17 00:00:00 2001
From: Artemis Tosini <me@artem.ist>
Date: Tue, 5 Nov 2024 22:03:36 +0000
Subject: [PATCH] openbsd.boot-config: init

Co-Authored-By: Audrey Dutcher <audrey@rhelmot.io>
---
 .../bsd/openbsd/pkgs/boot-config.nix          | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 pkgs/os-specific/bsd/openbsd/pkgs/boot-config.nix

diff --git a/pkgs/os-specific/bsd/openbsd/pkgs/boot-config.nix b/pkgs/os-specific/bsd/openbsd/pkgs/boot-config.nix
new file mode 100644
index 000000000000..23bd63e6d1ac
--- /dev/null
+++ b/pkgs/os-specific/bsd/openbsd/pkgs/boot-config.nix
@@ -0,0 +1,32 @@
+{
+  mkDerivation,
+  lib,
+  flex,
+  byacc,
+  compatHook,
+}:
+mkDerivation {
+  path = "usr.sbin/config";
+
+  extraNativeBuildInputs = [
+    flex
+    byacc
+    compatHook
+  ];
+
+  postPatch = ''
+    rm $BSDSRCDIR/usr.sbin/config/ukc.c
+    rm $BSDSRCDIR/usr.sbin/config/ukcutil.c
+    rm $BSDSRCDIR/usr.sbin/config/cmd.c
+    rm $BSDSRCDIR/usr.sbin/config/exec_elf.c
+  '';
+
+  buildPhase = ''
+    for f in *.l; do flex $f; done
+    for f in *.y; do yacc -H ''${f%.y}.h $f; done
+    for f in *.c; do $CC -I$TMP/include -DMAKE_BOOTSTRAP -c $f; done
+    $CC *.o -o config
+  '';
+
+  meta.platforms = lib.platforms.linux;
+}