Index: head/devel/lua-luarocks/files/patch-src_luarocks_cfg.lua
===================================================================
--- head/devel/lua-luarocks/files/patch-src_luarocks_cfg.lua	(revision 477363)
+++ head/devel/lua-luarocks/files/patch-src_luarocks_cfg.lua	(revision 477364)
@@ -1,63 +1,64 @@
---- src/luarocks/cfg.lua.orig	2015-12-29 15:50:11 UTC
+- Add DragonFly support
+- Respect CC/CFLAGS/LD/LDFLAGS
+- Prefer system compiler over GCC on BSDs/Solaris
+- OpenBSD uses Clang by default, so don't pass GCC RPATH
+
+--- src/luarocks/cfg.lua.orig	2018-03-13 00:08:59 UTC
 +++ src/luarocks/cfg.lua
-@@ -88,7 +88,15 @@ elseif proc:match("Power Macintosh") the
+@@ -87,7 +87,11 @@ elseif proc:match("Power Macintosh") then
     cfg.target_cpu = proc
  end
  
 -if system == "FreeBSD" then
-+if system == "Bitrig" then
++if system == "DragonFly" then
 +   cfg.platforms.unix = true
-+   cfg.platforms.bitrig = true
-+   cfg.platforms.bsd = true
-+elseif system == "DragonFly" then
-+   cfg.platforms.unix = true
 +   cfg.platforms.dragonfly = true
 +   cfg.platforms.bsd = true
 +elseif system == "FreeBSD" then
     cfg.platforms.unix = true
     cfg.platforms.freebsd = true
     cfg.platforms.bsd = true
-@@ -477,16 +485,18 @@ if cfg.platforms.unix then
+@@ -517,16 +521,17 @@ if cfg.platforms.unix then
     defaults.lib_extension = "so"
     defaults.external_lib_extension = "so"
     defaults.obj_extension = "o"
 -   defaults.external_deps_dirs = { "/usr/local", "/usr" }
 +   defaults.external_deps_dirs = { site_config.LUAROCKS_PREFIX, "/usr" }
     defaults.variables.LUA_BINDIR = site_config.LUA_BINDIR or "/usr/local/bin"
     defaults.variables.LUA_INCDIR = site_config.LUA_INCDIR or "/usr/local/include"
     defaults.variables.LUA_LIBDIR = site_config.LUA_LIBDIR or "/usr/local/lib"
 -   defaults.variables.CFLAGS = "-O2"
 +   defaults.variables.CFLAGS = os.getenv("CFLAGS") or "-O2"
     defaults.cmake_generator = "Unix Makefiles"
 -   defaults.variables.CC = "gcc"
 -   defaults.variables.LD = "gcc"
-+   defaults.variables.MAKE = os.getenv("MAKE") or defaults.variables.MAKE
 +   -- Assume "cc" is a modern GCC-compatible compiler
 +   defaults.variables.CC = os.getenv("CC") or defaults.variables.CC
 +   defaults.variables.LD = os.getenv("CC") or defaults.variables.CC
     defaults.gcc_rpath = true
 -   defaults.variables.LIBFLAG = "-shared"
 +   defaults.variables.LIBFLAG = (os.getenv("LDFLAGS") or "").." -shared"
     defaults.external_deps_patterns = {
        bin = { "?" },
        lib = { "lib?.a", "lib?.so", "lib?.so.*" },
-@@ -548,11 +558,17 @@ if cfg.platforms.linux then
+@@ -607,15 +612,18 @@ if cfg.platforms.linux then
     defaults.arch = "linux-"..cfg.target_cpu
  end
  
-+if cfg.platforms.bitrig then
-+   defaults.arch = "bitrig-"..cfg.target_cpu
-+end
-+
 +if cfg.platforms.dragonfly then
 +   defaults.arch = "dragonfly-"..cfg.target_cpu
 +end
 +
  if cfg.platforms.freebsd then
     defaults.arch = "freebsd-"..cfg.target_cpu
     defaults.gcc_rpath = false
 -   defaults.variables.CC = "cc"
 -   defaults.variables.LD = "cc"
  end
  
  if cfg.platforms.openbsd then
+    defaults.arch = "openbsd-"..cfg.target_cpu
++   defaults.gcc_rpath = false
+ end
+ 
+ if cfg.platforms.netbsd then