# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-arch/bzip2/bzip2-1.0.6-r3.ebuild,v 1.11 2012/05/17 04:36:15 vapier Exp $

# XXX: atm, libbz2.a is always PIC :(, so it is always built quickly
#      (since we're building shared libs) ...

EAPI=4

inherit eutils toolchain-funcs flag-o-matic multilib multilib-minimal

DESCRIPTION="A high-quality data compressor used extensively by Gentoo Linux"
HOMEPAGE="http://www.bzip.org/"
SRC_URI="http://www.bzip.org/${PV}/${P}.tar.gz"

LICENSE="BZIP2"
SLOT="0"
KEYWORDS="alpha amd64 arm hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd"
IUSE="static static-libs"

RDEPEND="abi_x86_32? ( !<=app-emulation/emul-linux-x86-baselibs-20130224 )"

src_prepare() {
	epatch "${FILESDIR}"/${PN}-1.0.4-makefile-CFLAGS.patch
	epatch "${FILESDIR}"/${PN}-1.0.6-saneso.patch
	epatch "${FILESDIR}"/${PN}-1.0.4-man-links.patch #172986
	epatch "${FILESDIR}"/${PN}-1.0.6-progress.patch
	epatch "${FILESDIR}"/${PN}-1.0.3-no-test.patch
	epatch "${FILESDIR}"/${PN}-1.0.4-POSIX-shell.patch #193365
	epatch "${FILESDIR}"/${PN}-1.0.6-mingw.patch #393573

	# - Use right man path
	# - Generate symlinks instead of hardlinks
	# - pass custom variables to control libdir
	sed -i \
		-e 's:\$(PREFIX)/man:\$(PREFIX)/share/man:g' \
		-e 's:ln -s -f $(PREFIX)/bin/:ln -f -s :' \
		-e 's:$(PREFIX)/lib:$(PREFIX)/$(LIBDIR):g' \
		-e 's:ln -s bzip2.1:ln -f -s bzip2.1:g' \
		Makefile || die

	multilib_copy_sources
}

bemake() {
	emake \
		CC="$(tc-getCC)" \
		AR="$(tc-getAR)" \
		RANLIB="$(tc-getRANLIB)" \
		"$@"
}

multilib_src_compile() {
	bemake -f Makefile-libbz2_so all
	use static && append-flags -static
	bemake all
}

multilib_src_install() {
	emake PREFIX="${D}"/usr LIBDIR=$(get_libdir) install

	# Install the shared lib manually.  We install:
	#  .x.x.x - standard shared lib behavior
	#  .x.x   - SONAME some distros use #338321
	#  .x     - SONAME Gentoo uses
	dolib.so libbz2.so.${PV}
	local s
	for v in libbz2.so{,.{${PV%%.*},${PV%.*}}} ; do
		dosym libbz2.so.${PV} /usr/$(get_libdir)/${v}
	done
	gen_usr_ldscript -a bz2

	if ! use static ; then
		newbin bzip2-shared bzip2
	fi
}

multilib_src_install_all() {
	dodoc README* CHANGES bzip2.txt manual.*

	# move "important" bzip2 binaries to /bin and use the shared libbz2.so
	dodir /bin
	mv "${D}"/usr/bin/b{zip2,zcat,unzip2} "${D}"/bin/ || die
	dosym bzip2 /bin/bzcat
	dosym bzip2 /bin/bunzip2

	use static-libs || find "${ED}"/usr -name libbz2.a -delete
}