From 74cf3e0711db0bea8d02a98da37c5afd780c0aa4 Mon Sep 17 00:00:00 2001
From: Daniel Barlow <dan@telent.net>
Date: Fri, 26 Apr 2024 16:43:09 +0100
Subject: [PATCH] add anoia.net.constants for SOCK_{STREAM,DGRAM} etc

we use an ugly bit of C preprocessor to get the values from
header files, because certain constants are different on MIPS
than on other architectures
---
 pkgs/anoia/Makefile        |  6 +++++-
 pkgs/anoia/default.nix     |  5 +++--
 pkgs/anoia/net/constants.c | 11 +++++++++++
 3 files changed, 19 insertions(+), 3 deletions(-)
 create mode 100644 pkgs/anoia/net/constants.c

diff --git a/pkgs/anoia/Makefile b/pkgs/anoia/Makefile
index 9fdf7f8..f68e596 100644
--- a/pkgs/anoia/Makefile
+++ b/pkgs/anoia/Makefile
@@ -1,10 +1,14 @@
 
-default: fs.lua init.lua nl.lua svc.lua
+default: fs.lua init.lua nl.lua svc.lua net/constants.lua
 
 test:
 	ln -s . anoia
 	fennel test.fnl
 	fennel test-svc.fnl
 
+net/constants.lua: net/constants.c
+	$(CC) -imacros sys/socket.h -imacros linux/netlink.h -E -P - < net/constants.c  | sed 's/ *$$//g' | cat -s > net/constants.lua
+
+
 %.lua: %.fnl
 	fennel --compile $< > $@
diff --git a/pkgs/anoia/default.nix b/pkgs/anoia/default.nix
index 7876303..b981f48 100644
--- a/pkgs/anoia/default.nix
+++ b/pkgs/anoia/default.nix
@@ -4,13 +4,14 @@
 , linotify
 , lua
 , lualinux
+, cpio
 }:
 let pname =  "anoia";
 in stdenv.mkDerivation {
   inherit pname;
   version = "0.1";
   src = ./.;
-  nativeBuildInputs = [ fennel ];
+  nativeBuildInputs = [ fennel cpio ];
   buildInputs = with lua.pkgs; [ linotify lualinux ];
   outputs = [ "out" "dev" ];
 
@@ -18,7 +19,7 @@ in stdenv.mkDerivation {
 
   installPhase = ''
     mkdir -p "$out/share/lua/${lua.luaversion}/${pname}"
-    cp *.lua "$out/share/lua/${lua.luaversion}/${pname}"
+    find . -name \*.lua | cpio -p -d "$out/share/lua/${lua.luaversion}/${pname}"
 
     mkdir -p "$dev/share/lua/${lua.luaversion}/${pname}"
     cp assert.fnl "$dev/share/lua/${lua.luaversion}/${pname}"
diff --git a/pkgs/anoia/net/constants.c b/pkgs/anoia/net/constants.c
new file mode 100644
index 0000000..3c01e70
--- /dev/null
+++ b/pkgs/anoia/net/constants.c
@@ -0,0 +1,11 @@
+
+#define MACRO(c) [#c] = c,
+
+return {
+    MACRO(SOCK_STREAM)
+    MACRO(SOCK_DGRAM)
+    MACRO(SOCK_RAW)
+    MACRO(AF_LOCAL)
+    MACRO(AF_NETLINK)
+    MACRO(NETLINK_KOBJECT_UEVENT)
+}