luarocks: set default lib/inc dir to @TERMUX_PREFIX@/{lib,include}

packages/luarocks/build.sh

@@ -1,6 +1,7 @@
 TERMUX_PKG_HOMEPAGE=https://luarocks.org/
 TERMUX_PKG_DESCRIPTION="Deployment and management system for Lua modules"
 TERMUX_PKG_VERSION=2.4.4
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SHA256=3938df33de33752ff2c526e604410af3dceb4b7ff06a770bc4a240de80a1f934
 TERMUX_PKG_SRCURL=https://luarocks.org/releases/luarocks-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_DEPENDS="curl, lua"

packages/luarocks/src-luarocks-cfg.lua.patch

@@ -0,0 +1,17 @@
+--- ../cfg.lua.orig	2018-05-25 06:56:17.183526289 +0000
++++ ./src/luarocks/cfg.lua	2018-05-25 06:57:25.695490218 +0000
+@@ -517,10 +517,10 @@
+    defaults.lib_extension = "so"
+    defaults.external_lib_extension = "so"
+    defaults.obj_extension = "o"
+-   defaults.external_deps_dirs = { "/usr/local", "/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.external_deps_dirs = { "@TERMUX_PREFIX@/local", "@TERMUX_PREFIX@" }
++   defaults.variables.LUA_BINDIR = site_config.LUA_BINDIR or "@TERMUX_PREFIX@/local/bin"
++   defaults.variables.LUA_INCDIR = site_config.LUA_INCDIR or "@TERMUX_PREFIX@/local/include"
++   defaults.variables.LUA_LIBDIR = site_config.LUA_LIBDIR or "@TERMUX_PREFIX@/local/lib"
+    defaults.variables.CFLAGS = "-O2"
+    defaults.cmake_generator = "Unix Makefiles"
+    defaults.variables.CC = "gcc"