# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-crypt/gnupg/gnupg-1.4.2-r3.ebuild,v 1.14 2006/01/18 23:04:01 vapier Exp $

inherit eutils flag-o-matic linux-info

ECCVER=0.1.6
ECCVER_GNUPG=1.4.0

DESCRIPTION="The GNU Privacy Guard, a GPL pgp replacement"
HOMEPAGE="http://www.gnupg.org/"
SRC_URI="mirror://gnupg/gnupg/${P}.tar.bz2
	idea? ( ftp://ftp.gnupg.dk/pub/contrib-dk/idea.c.gz )
	ecc? ( http://alumnes.eps.udl.es/%7Ed4372211/src/${PN}-${ECCVER_GNUPG}-ecc${ECCVER}.diff.bz2 )"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="alpha amd64 arm hppa ia64 ~mips ppc ppc-macos ppc64 s390 sh sparc x86"
IUSE="bzip2 caps curl ecc idea ldap nls readline selinux smartcard static usb zlib X"

COMMON_DEPEND="
	ldap? ( net-nds/openldap )
	bzip2? ( app-arch/bzip2 )
	zlib? ( sys-libs/zlib )
	nls? ( sys-devel/gettext )
	curl? ( net-misc/curl )
	virtual/libc
	virtual/mta
	readline? ( sys-libs/readline )
	smartcard? ( dev-libs/libusb )
	usb? ( dev-libs/libusb )"

RDEPEND="!static? (
		${COMMON_DEPEND}
		X? ( || ( media-gfx/xloadimage media-gfx/xli ) )
	)
	selinux? ( sec-policy/selinux-gnupg )"

DEPEND="${COMMON_DEPEND}
	dev-lang/perl"

pkg_setup() {
	# fix bug #113474 - no compiled kernel needed now
	get_running_version

}

src_unpack() {
	unpack ${A}

	# Jari's patch to boost iterated key setup by factor of 128
	EPATCH_OPTS="-p1 -d ${S}" epatch ${FILESDIR}/${P}-jari.patch

	if use idea; then
		ewarn "Please read http://www.gnupg.org/why-not-idea.html"
		mv ${WORKDIR}/idea.c ${S}/cipher/idea.c || \
			ewarn "failed to insert IDEA module"
	fi

	if use ecc; then
		# this trickery is because the only reject in the 1.4.0 patch is the
		# version number!
		local eccpatch=${WORKDIR}/${PN}-${ECCVER_GNUPG}-ecc${ECCVER}.diff
		if [ "${ECCVER_GNUPG}" != "${PV}" ]; then
			einfo "Tweaking PV in ECC patch"
			sed -i "s/ VERSION='${ECCVER_GNUPG}/ VERSION='${PV}/g" $eccpatch
		fi
		EPATCH_OPTS="-p1 -d ${S}" epatch $eccpatch
	fi

	# maketest fix
	epatch ${FILESDIR}/${P}-selftest.patch

	# install RU man page in right location
	epatch ${FILESDIR}/${P}-badruman.patch

	cd ${S}
	# keyserver fix
	epatch ${FILESDIR}/${P}-keyserver.patch

	epatch ${FILESDIR}/${P}-mpicoder.patch

	# Fix PIC definitions
	sed -i -e 's:PIC:__PIC__:' mpi/i386/mpih-{add,sub}1.S intl/relocatable.c
	sed -i -e 's:if PIC:ifdef __PIC__:' mpi/sparc32v8/mpih-mul{1,2}.S
}

src_compile() {
	# Certain sparc32 machines seem to have trouble building correctly with
	# -mcpu enabled.  While this is not a gnupg problem, it is a temporary
	# fix until the gcc problem can be tracked down.
	if [ "${ARCH}" == "sparc" ] && [ "${PROFILE_ARCH}" == "sparc" ]; then
		filter-flags -mcpu=supersparc -mcpu=v8 -mcpu=v7
	fi

	# 'USE=static' support was requested in #29299
	use static &&append-ldflags -static

	# Still needed?
	# Bug #6387, --enable-m-guard causes bus error on sparcs
	use sparc || myconf="${myconf} --enable-m-guard"

	append-ldflags $(bindnow-flags)

	# configure doesn't trean --disable-asm correctly
	use x86 && myconf="${myconf} --enable-asm"

	# fix compile problem on ppc64
	use ppc64 && myconf="${myconf} --disable-asm"

	econf \
		$(use_enable ldap) \
		--enable-mailto \
		--enable-hkp \
		--enable-finger \
		$(use_with !zlib included-zlib) \
		$(use_with curl libcurl /usr) \
		$(use_enable nls) \
		$(use_enable bzip2) \
		$(use_enable smartcard card-support) \
		$(use_enable selinux selinux-support) \
		$(use_with caps capabilities) \
		$(use_with readline) \
		$(use_with usb libusb /usr) \
		$(use_enable static) \
		$(use_enable X photo-viewers) \
		--enable-static-rnd=linux \
		--libexecdir=/usr/libexec \
		--enable-sha512 \
		--enable-noexecstack \
		${myconf} || die
	# this is because it will run some tests directly
	gnupg_fixcheckperms
	emake || die
}

src_install() {
	gnupg_fixcheckperms
	make DESTDIR=${D} install || die

	# caps support makes life easier
	if ! use caps && kernel_is lt 2 6 9
	then
		ewarn "installing gpg suid for memory space protection"
		fperms u+s,go-r /usr/bin/gpg
	fi

	# keep the documentation in /usr/share/doc/...
	rm -rf "${D}/usr/share/gnupg/FAQ" "${D}/usr/share/gnupg/faq.html"

	dodoc AUTHORS BUGS ChangeLog NEWS PROJECTS README THANKS \
		TODO VERSION doc/{FAQ,HACKING,DETAILS,ChangeLog,OpenPGP,faq.raw}

	docinto sgml
	dodoc doc/*.sgml

	dohtml doc/faq.html

	# install RU documentation in right location
	if use linguas_ru
	then
		cp doc/gpg.ru.1 ${T}/gpg.1
		doman -i18n=ru ${T}/gpg.1
	fi

	# Remove collissions
	if use ppc-macos; then
		rm ${D}/usr/lib/charset.alias ${D}/usr/share/locale/locale.alias
	fi
}

gnupg_fixcheckperms() {
	# GnuPG does weird things for testing that it build correctly
	# as we as for the additional tests. It WILL fail with perms 770 :-(.
	# See bug #80044
	if has userpriv ${FEATURES}; then
		einfo "Fixing permissions in check directory"
		chown -R portage:portage ${S}/checks
		chmod -R ugo+rw ${S}/checks
		chmod ugo+rw ${S}/checks
	fi
}

src_test() {
	gnupg_fixcheckperms
	einfo "Running tests"
	emake check
	ret=$?
	if [ $ret -ne 0 ]; then
		die "Some tests failed! Please report to the Gentoo Bugzilla"
	fi
}

pkg_postinst() {
	if ! use caps && kernel_is lt 2 6 9
	then
		chmod u+s,go-r ${ROOT}/usr/bin/gpg
		einfo "gpg is installed suid root to make use of protected memory space"
		einfo "This is needed in order to have a secure place to store your"
		einfo "passphrases, etc. at runtime but may make some sysadmins nervous."
	else
		chmod u-s,go-r ${ROOT}/usr/bin/gpg
	fi
	echo
	if use idea; then
		einfo "-----------------------------------------------------------------------------------"
		einfo "IDEA"
		ewarn "you have compiled ${PN} with support for the IDEA algorithm, this code"
		ewarn "is distributed under the GPL in countries where it is permitted to do so"
		ewarn "by law."
		einfo
		einfo "Please read http://www.gnupg.org/why-not-idea.html for more information."
		einfo
		ewarn "If you are in a country where the IDEA algorithm is patented, you are permitted"
		ewarn "to use it at no cost for 'non revenue generating data transfer between private"
		ewarn "individuals'."
		einfo
		einfo "Countries where the patent applies are listed here"
		einfo "http://www.mediacrypt.com/_contents/10_idea/101030_ea_pi.asp"
		einfo
		einfo "Further information and other licenses are availble from http://www.mediacrypt.com/"
		einfo "-----------------------------------------------------------------------------------"
	fi
	if use ecc; then
		einfo
		ewarn "The elliptical curves patch is experimental"
		einfo "Further info available at http://alumnes.eps.udl.es/%7Ed4372211/index.en.html"
	fi
	if use caps; then
		einfo
		ewarn "Capabilities code is experimental"
	fi
	einfo
	einfo "See http://www.gentoo.org/doc/en/gnupg-user.xml for documentation on gnupg"
	einfo
}