ldmud: fix build, remove Python310

pkgs/by-name/ld/ldmud/package.nix

@@ -23,7 +23,7 @@
   tlsSupport ? false,
   openssl,
   pythonSupport ? false,
-  python310,
+  python3,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -61,7 +61,7 @@ stdenv.mkDerivation (finalAttrs: {
   ++ lib.optional postgresSupport libpq
   ++ lib.optional sqliteSupport sqlite
   ++ lib.optional tlsSupport openssl
-  ++ lib.optional pythonSupport python310
+  ++ lib.optional pythonSupport python3
   ++ lib.optionals stdenv.hostPlatform.isDarwin [ libiconv ];
 
   # To support systems without autoconf LD puts its configure.ac in a non-default
@@ -94,6 +94,10 @@ stdenv.mkDerivation (finalAttrs: {
       export LDFLAGS="$LDFLAGS -L${libiconv}/lib -liconv"
     '';
 
+  env.NIX_CFLAGS_COMPILE =
+    # Required for legacy C code in source
+    "-std=gnu99";
+
   installTargets = [
     "install-driver"
     "install-utils"