extra/ruby: set arch to CARCH, disable distcc/ccache

the CC variable is remembered in rbconfig.rb.
fixes #1

extra/ruby/APKBUILD

@@ -7,7 +7,7 @@ pkgrel=2
 pkgdesc="An object-oriented language for quick and easy programming"
 url="http://www.ruby-lang.org/en/"
 license="Ruby"
-depends="zlib openssl libiconv gdbm db readline"
+depends=
 makedepends="zlib-dev openssl-dev libiconv-dev gdbm-dev db-dev readline-dev"
 subpackages="$pkgname-doc $pkgname-dev"
 source="ftp://ftp.ruby-lang.org/pub/ruby/1.8/${pkgname}-${_pkgver}.tar.bz2"
@@ -22,13 +22,21 @@ build() {
 	# as it's risky with newer compilers to leave it as it is.
 	export CFLAGS="$CFLAGS -fno-omit-frame-pointer -fno-strict-aliasing"
 
-	./configure --prefix=/usr \
+	# turn off distcc/ccache
+	# http://bugs.alpinelinux.org/issues/show/1
+	export CC=cc
+
+	./configure --host=${CHOST:-i486-alpine-linux-uclibc} \
+		--prefix=/usr \
 		--sysconfdir=/etc \
 		--mandir=/usr/share/man \
 		--infodir=/usr/share/info \
+		--with-sitedir='/usr/local/lib/site_ruby' \
+		--with-extra-site-search-path='/usr/lib/site_ruby/$(ruby_ver)/i686-linux' \
 		--enable-shared
 	make || return 1
 	make DESTDIR="$pkgdir" install
+
 	install -Dm644 COPYING "${pkgdir}/usr/share/licenses/${pkgname}"/COPYING || return 1
 
 }