FreeBSD fixed Proxy.cc this way. I'm uncertain if this is correct.
Index: Makefile
===================================================================
RCS file: /cvs/ports/games/enigma/Makefile,v
retrieving revision 1.33
diff -u -p -r1.33 Makefile
--- Makefile 13 Mar 2018 21:13:48 -0000 1.33
+++ Makefile 15 Apr 2018 22:03:43 -0000
@@ -4,6 +4,7 @@ COMMENT= Oxyd/Rock'n'Roll clone
V= 1.21
DISTNAME= enigma-${V}
+REVISION= 0
CATEGORIES= games x11
Index: patches/patch-src_Value_cc
===================================================================
RCS file: patches/patch-src_Value_cc
diff -N patches/patch-src_Value_cc
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-src_Value_cc 15 Apr 2018 22:03:43 -0000
@@ -0,0 +1,14 @@
+$OpenBSD$
+
+Index: src/Value.cc
+--- src/Value.cc.orig
++++ src/Value.cc
+@@ -149,7 +149,7 @@ namespace enigma {
+ val.dval[0] = false;
+ break;
+ case OBJECT :
+- val.dval[0] = (double) NULL;
++ val.dval[0] = 0;
+ break;
+ case NAMEDOBJECT:
+ ASSERT(false, XLevelRuntime, "Value: illegal type usage");
Index: patches/patch-src_lev_Proxy_cc
===================================================================
RCS file: patches/patch-src_lev_Proxy_cc
diff -N patches/patch-src_lev_Proxy_cc
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-src_lev_Proxy_cc 15 Apr 2018 22:03:43 -0000
@@ -0,0 +1,14 @@
+$OpenBSD$
+
+Index: src/lev/Proxy.cc
+--- src/lev/Proxy.cc.orig
++++ src/lev/Proxy.cc
+@@ -933,7 +933,7 @@ namespace enigma { namespace lev {
+ } else if (haveLocalCopy) {
+ // plain file
+ basic_ifstream<char> ifs(absExtPath.c_str(),
ios::binary | ios::in);
+- if (ifs != NULL)
++ if (ifs)
+ Readfile(ifs, extCode);
+ else
+ haveLocalCopy = false;
--
Christian "naddy" Weisgerber na...@mips.inka.de