# --- T2-COPYRIGHT-NOTE-BEGIN ---
# T2 SDE: package/*/lua/lua.conf
# Copyright (C) 2004 - 2023 The T2 SDE Project
# 
# This Copyright note is generated by scripts/Create-CopyPatch,
# more information can be found in the files COPYING and README.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2.
# --- T2-COPYRIGHT-NOTE-END ---

# inherit variables like myCFLAGS, myLIBS
. $base/package/*/*/lua-conf.in

# latest, official Lua patch, unfortunatly unversioned and not -p1 :-(
lpatch="`match_source_file -p .patch`"
if [ "$lpatch" ]; then
	hook_add prepatch 5 "(cd src; patch -p0 < $lpatch)"
fi

# adjust installation path
var_append makeopt ' ' "INSTALL_TOP=/$prefix INSTALL_LIB=$libdir"
var_append makeinstopt ' ' "INSTALL_TOP=$root/$prefix INSTALL_LIB=$root$libdir"

# guess aix bsd c89 freebsd linux-readline mingw posix solaris
case $SDECFG_KERNEL in
	linux)	var_append makeopt ' ' 'linux' ;;
	darwin)	var_append makeopt ' ' 'macosx' ;;
	*)	var_append makeopt ' ' 'generic' ;;
esac

# configure:
#  -enable dynamic module loading
#  -enable CLI with readline

var_append makeopt ' ' "MYCFLAGS=\"$myCFLAGS\""
#[ $SDECFG_KERNEL = linux ] && var_insert myLIBS ' ' '-Wl,-E'
var_append makeopt ' ' "MYLIBS=\"$myLIBS\""

# adjust luaconf.h header
lua_conf() {
	if ! atstage toolchain; then
		LUA_ROOT="/$prefix"
	else
 		LUA_ROOT="$root/$prefix"
	fi

	sed -i "s,^#define LUA_ROOT.*,#define LUA_ROOT \"$LUA_ROOT/\"," src/luaconf.h
	sed -i "s,^\(#define LUA_CDIR.*\)lib\(/.*\),\1${libdir##*/}\2," src/luaconf.h
}
hook_add premake 3 lua_conf

# create a lua-config script
lua_config_postmake() {
	sde_substitute $confdir/lua-config |
	sed -e "s,@LIBS@,$myLIBS," \
	    -e "s,@CFLAGS@,$myCFLAGS," \
	    -e "s,@pkglibdir@,$root$pkglibdir," \
	    -e "s,@pkgdatadir@,$root$pkgdatadir," \
	    -e "s,//,/,g" > $root$bindir/lua-config
	chmod 0755 $root$bindir/lua-config
}
hook_add postmake 3 lua_config_postmake

# create a lua.pc pkgconfig file
if pkginstalled pkgconfig; then
  lua_pc_postmake() {
	sde_substitute $confdir/lua.pc |
	sed -e "s,@LIBS@,$myLIBS," \
	    -e "s,@CFLAGS@,$myCFLAGS," \
	    -e "s,@pkglibdir@,$root$pkglibdir," \
	    -e "s,@pkgdatadir@,$root$pkgdatadir," \
	    -e "s,//,/,g" > $root$libdir/pkgconfig/lua.pc
}
	hook_add postmake 3 lua_pc_postmake
fi

# create missing directories and copy documentation
lua_postmake() {
	mkdir -p $root$pkglibdir/
	mkdir -p $root$pkgdatadir/

	mkdir -p $root$docdir
	cp -v doc/* $root$docdir
}
hook_add postmake 3 lua_postmake

# shared object
[ "$SDECFG_STATIC" != 1 ] &&
	var_append patchfiles ' ' "$confdir/shared-object.diff"

# cross build
var_append AR ' ' rc