# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=lua5.3
_pkgname=lua
pkgver=5.3.4
_luaver=${pkgname#lua}
pkgrel=4
pkgdesc="Powerful light-weight programming language"
url="https://www.lua.org/"
arch="all"
license="MIT"
ldpath="/usr/lib/$pkgname"
depends_dev="$pkgname"
makedepends="libtool autoconf automake linenoise-dev"
provides="lua"
subpackages="$pkgname-dev $pkgname-doc $pkgname-libs"
source="https://www.lua.org/ftp/$_pkgname-$pkgver.tar.gz
	lua-5.3-make.patch
	lua-5.3-module_paths.patch
	linenoise.patch
	"
builddir="$srcdir/$_pkgname-$pkgver"

prepare() {
	default_prepare
	cd "$builddir"

	# disable readline
	sed -i '/#define LUA_USE_READLINE/d' src/luaconf.h

	# we use libtool
	cat > configure.ac <<-EOF
		top_buildir=.

		AC_INIT(src/luaconf.h)
		AC_PROG_LIBTOOL
		AC_OUTPUT()
	EOF
	libtoolize --force --install && aclocal && autoconf
}

build() {
	cd "$builddir"

	./configure \
		--build=$CBUILD \
		--host=$CHOST \
		--prefix=/usr

	cd src
	make V=${pkgver%.*} \
		CFLAGS="-DLUA_USE_LINUX -DLUA_COMPAT_5_2 -DLUA_USE_LINENOISE" \
		SYSLDFLAGS="$LDFLAGS" \
		RPATH="/usr/lib" \
		LIB_LIBS="-lpthread -lm -ldl -llinenoise" \
		alpine_all
}

package() {
	local i
	cd "$builddir"

	make V=${pkgver%.*} \
		INSTALL_TOP="$pkgdir"/usr \
		INSTALL_INC="$pkgdir"/usr/include/$pkgname \
		INSTALL_LIB="$pkgdir"/usr/lib/$pkgname \
		alpine_install

	for i in "$pkgdir"/usr/bin/* ; do
		mv "$i" "$i"$_luaver
	done

	for i in "$pkgdir"/usr/lib/$pkgname/*.so.*; do
		ln -s $pkgname/${i##*/} "$pkgdir"/usr/lib/${i##*/}
	done

	install -D -m 644 doc/lua.1 "$pkgdir"/usr/share/man/man1/lua$_luaver.1
	install -D -m 644 doc/luac.1 "$pkgdir"/usr/share/man/man1/luac$_luaver.1

	install -d "$pkgdir"/usr/lib/pkgconfig
	cat > "$pkgdir"/usr/lib/pkgconfig/lua$_luaver.pc <<-EOF
		# lua.pc -- pkg-config data for Lua

		# vars from install Makefile

		# grep '^V=' ../Makefile
		V= ${_luaver}
		# grep '^R=' ../Makefile
		R= ${pkgver}

		# grep '^INSTALL_.*=' ../Makefile | sed 's/INSTALL_TOP/prefix/'
		prefix= /usr
		INSTALL_BIN= \${prefix}/bin
		INSTALL_INC= \${prefix}/include
		INSTALL_LIB= \${prefix}/lib
		INSTALL_MAN= \${prefix}/man/man1
		INSTALL_LMOD= \${prefix}/share/lua/\${V}
		INSTALL_CMOD= \${prefix}/lib/lua/\${V}

		# canonical vars
		exec_prefix=\${prefix}
		libdir=\${exec_prefix}/lib/$pkgname
		includedir=\${prefix}/include/$pkgname

		Name: Lua
		Description: An Extensible Extension Language
		Version: \${R}
		Requires:
		Libs: -L\${libdir} -llua -lm
		Cflags: -I\${includedir}

		# (end of lua$_luaver.pc)
	EOF

}

dev() {
	default_dev

	mkdir -p "$subpkgdir"/usr/$pkgname "$subpkgdir"/usr/lib/$pkgname
	ln -s ../include/$pkgname "$subpkgdir"/usr/$pkgname/include
	ln -s ../lib/$pkgname "$subpkgdir"/usr/$pkgname/lib
	mv "$pkgdir"/usr/lib/$pkgname/liblua.so "$subpkgdir"/usr/lib/$pkgname/
}

libs() {
	pkgdesc="Lua dynamic library runtime"
	replaces="lua"

	mkdir -p "$subpkgdir"/usr
	mv "$pkgdir"/usr/lib "$subpkgdir"/usr/
}

sha512sums="739e31f82e6a60fa99910c2005e991b3a1e21339af52847f653cb190b30842054d189ca116ffcfdf9b36e07888c9ce5642b1dd2988cc7eff9f8789f9a2e34997  lua-5.3.4.tar.gz
1bc6c623024c1738155b30ff9c0edcce0f336edc25aa20c3a1400c859421ea2015d75175cce8d515e055ac3e96028426b74812e04022af18a0ed4c4601556027  lua-5.3-make.patch
bc68772390dc8d8940176af0b9fbacc0af61891b5d27de5f1466a4e7f9b3291a1c08ba5add829bc96b789a53fa5ec2dadaa096ca6eabe54ec27724fa2810940f  lua-5.3-module_paths.patch
49880d1131b7bd2a3169a26f401769a91d9a6a62cefe68aa5a89097139289588b7ef753535a2d0ba7f45c0369c760554940fd810716b7b1353deace32432fcfe  linenoise.patch"