Hi,
Crimson seems to need few casts and spaces to fix compilation.
Quickly tested few turns and port seems ok.
timo
Index: patches/patch-src_cf_main_cpp
===================================================================
RCS file: patches/patch-src_cf_main_cpp
diff -N patches/patch-src_cf_main_cpp
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-src_cf_main_cpp 10 Apr 2018 15:50:29 -0000
@@ -0,0 +1,14 @@
+$OpenBSD$
+
+Index: src/cf/main.cpp
+--- src/cf/main.cpp.orig
++++ src/cf/main.cpp
+@@ -173,7 +173,7 @@ static void parse_options( int argc, char **argv, GUIO
+ else opts.sfx = opts.music = false;
+ } else {
+ if (strcmp(argv[argc], "--version") == 0)
+- cout << PROGRAMNAME" "VERSION << endl;
++ cout << PROGRAMNAME " " VERSION << endl;
+ else print_usage( argv[0] );
+ exit ( 0 );
+ }
Index: patches/patch-src_comet_main_cpp
===================================================================
RCS file: patches/patch-src_comet_main_cpp
diff -N patches/patch-src_comet_main_cpp
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-src_comet_main_cpp 10 Apr 2018 15:50:29 -0000
@@ -0,0 +1,14 @@
+$OpenBSD$
+
+Index: src/comet/main.cpp
+--- src/comet/main.cpp.orig
++++ src/comet/main.cpp
+@@ -118,7 +118,7 @@ void parse_options( int argc, char **argv, EdOptions &
+ else opts.sound = false;
+ } else {
+ if (strcmp(argv[argc], "--version") == 0)
+- fprintf( stdout, PROGRAMNAME" "VERSION"\n" );
++ fprintf( stdout, PROGRAMNAME " " VERSION "\n" );
+ else print_usage( argv[0] );
+ exit ( 0 );
+ }
Index: patches/patch-src_common_font_cpp
===================================================================
RCS file: patches/patch-src_common_font_cpp
diff -N patches/patch-src_common_font_cpp
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-src_common_font_cpp 10 Apr 2018 15:50:29 -0000
@@ -0,0 +1,16 @@
+$OpenBSD$
+
+Index: src/common/font.cpp
+--- src/common/font.cpp.orig
++++ src/common/font.cpp
+@@ -200,8 +200,8 @@ int Font::Write( const char *str, Surface *dest, short
+ SDL_Color scol = { col.r, col.g, col.b };
+ SDL_Surface *s = TTF_RenderUTF8_Blended( f, str, scol );
+ if ( s ) {
+- SDL_Rect src = { 0, 0, s->w, s->h };
+- SDL_Rect dst = { x, y, s->w, s->h };
++ SDL_Rect src = { 0, 0, static_cast<Uint16>(s->w),
static_cast<Uint16>(s->h) };
++ SDL_Rect dst = { x, y, static_cast<Uint16>(s->w),
static_cast<Uint16>(s->h) };
+ SDL_BlitSurface( s, &src, dest->s_surface, &dst );
+ SDL_FreeSurface( s );
+ return src.w;
Index: patches/patch-tools_cfed_cpp
===================================================================
RCS file: patches/patch-tools_cfed_cpp
diff -N patches/patch-tools_cfed_cpp
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-tools_cfed_cpp 10 Apr 2018 15:50:29 -0000
@@ -0,0 +1,14 @@
+$OpenBSD$
+
+Index: tools/cfed.cpp
+--- tools/cfed.cpp.orig
++++ tools/cfed.cpp
+@@ -970,7 +970,7 @@ int main( int argc, char **argv ) {
+ for ( i = argc - 1; i > 1; --i ) {
+ if (strcmp(argv[i], "--help") == 0) show_help = 1;
+ else if (strcmp(argv[i], "--version") == 0) {
+- cout << "cfed "VERSION << endl;
++ cout << "cfed " VERSION << endl;
+ return 0;
+ }
+ else if (strcmp(argv[i-1], "--units") == 0) uset = argv[i];
