#!/bin/sh

NAME="lua-lpeg"
DESC="Pattern-matching library for Lua"

MAKEDEPS="lua5-1 lua"

PKG_VER=1.0.2
SOURCE="http://www.inf.puc-rio.br/~roberto/lpeg/lpeg-$PKG_VER.tar.gz"

ADDITIONAL="
build-static-lib.patch
test-fix-setlocale.patch
"

luaversions="5.1 5.4"

prepare() {
	apply_patches

	sed -i -e 's/^CFLAGS =/CFLAGS +=/' \
		-e 's/^COPT =/# COPT =/' \
		makefile

	local lver; for lver in $luaversions; do
        mkdir -p "$BUILD_ROOT/$lver"
		tar -xf "lpeg-$PKG_VER.tar.gz"

        mv "lpeg-$PKG_VER"/* "$BUILD_ROOT/$lver/"
        cd "$BUILD_ROOT/$lver"

        sed -i -e 's/^CFLAGS =/CFLAGS +=/' \
            -e 's/^COPT =/# COPT =/' \
            makefile
        
        for p in ../*.patch; do
            patch -Np1 -i $p
        done

        cd ..
	done
}

build() {
	local lver; for lver in $luaversions; do
        echo "Building for Lua $lver..."
		make -C "$BUILD_ROOT/$lver" LUADIR=/usr/include/lua$lver
	done
}

package() {
	mkdir -p "$PKG_DEST"
    local lver; for lver in $luaversions; do 
        _package $lver
    done
}

_package() {
    local lver="$1"
	local rockdir="$PKG_DEST/usr/lib/luarocks/rocks-$lver/$_pkgname/$PKG_VER-1"

	cd "$BUILD_ROOT/$lver"
    echo "installing `pwd` "

	install -Dm755 lpeg.so \
		"$PKG_DEST"/usr/lib/lua/$lver/lpeg.so
	install -Dm644 re.lua \
		"$PKG_DEST"/usr/share/lua/$lver/re.lua

	mkdir -p "$rockdir"
	echo 'rock_manifest = {}' > "$rockdir"/rock_manifest

    #install -Dm644 "$BUILD_ROOT-$lver"/lpeg.a \
    #   "$PKG_DEST"/usr/lib/lua/$lver/lpeg.a
}