# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-lang/perl/perl-5.8.0-r12.ebuild,v 1.3 2003/06/26 23:34:41 rac Exp $

inherit eutils flag-o-matic 

# Perl has problems compiling with -Os in your flags
replace-flags "-Os" "-O2"
# This flag makes compiling crash in interesting ways
filter-flags -malign-double

# The slot of this binary compat version of libperl.so
PERLSLOT="1"

SHORT_PV="`echo ${PV} | cut -d. -f1,2`"
MY_P="${P/lib}"
S="${WORKDIR}/${MY_P}"
DESCRIPTION="Larry Wall's Practical Extraction and Reporting Language"
DB_FILE_VERSION="1.806"
SAFE_VERSION="2.09"
SRC_URI="ftp://ftp.perl.org/pub/CPAN/src/${MY_P}.tar.gz
	ftp://ftp.perl.org/pub/CPAN/modules/by-module/DB_File/DB_File-${DB_FILE_VERSION}.tar.gz
	ftp://ftp.perl.org/pub/CPAN/modules/by-module/Safe/Safe-${SAFE_VERSION}.tar.gz"
HOMEPAGE="http://www.perl.org/"
SLOT="0"
LIBPERL="libperl.so.${PERLSLOT}.${SHORT_PV}"
LICENSE="Artistic GPL-2"
KEYWORDS="~x86 ~amd64 ~sparc ~ppc ~alpha ~mips ~hppa"
IUSE="berkdb doc gdbm threads"

DEPEND="sys-apps/groff
	berkdb? ( sys-libs/db )
	gdbm? ( >=sys-libs/gdbm-1.8.0 )
	>=sys-apps/portage-2.0.45-r5
	=sys-devel/libperl-${PV}*
	!<=dev-perl/ExtUtils-MakeMaker-6.05-r5
	!<=dev-perl/File-Spec-0.82"
RDEPEND="berkdb? ( sys-libs/db )
	gdbm? ( >=sys-libs/gdbm-1.8.0 )"

pkg_setup() {
	# I think this should rather be displayed if you *have* 'threads'
	# in USE if it could break things ...
	if [ -n "`use threads`" ]
	then
		ewarn ""
		ewarn "PLEASE NOTE: You are compiling perl-5.8 with"
		ewarn "threading enabled."
		ewarn "Threading is not supported by all applications "
		ewarn "that compile against perl. You use threading at "
		ewarn "your own discretion. "
		ewarn ""
		sleep 10
	else
		ewarn ""
		ewarn "PLEASE NOTE: If you want to compile perl-5.8 with"
		ewarn "threading enabled , you must restart this emerge"
		ewarn "with USE=threads emerge...."
		ewarn "Threading is not supported by all applications "
		ewarn "that compile against perl. You use threading at "
		ewarn "your own discretion. "
		ewarn ""
	fi

	if [ ! -f /usr/lib/${LIBPERL} ]
	then
		# Make sure we have libperl installed ...
		eerror "Cannot find /usr/lib/${LIBPERL}!  Make sure that you"
		eerror "have sys-libs/libperl installed properly ..."
		die "Cannot find /usr/lib/${LIBPERL}!"
	fi
}

src_unpack() {

	unpack ${A}

	# Fix the definition of 'int sockatmark(int);' in perl.h to have __THROW.
	# This fixes bug #12605.
	# <azarah@gentoo.org> (28 Dec 2002).
	cd ${S}; epatch ${FILESDIR}/${P}-sockatmark-should-__THROW.patch

	# Get -lpthread linked before -lc.  This is needed
	# when using glibc >= 2.3, or else runtime signal
	# handling breaks.  Fixes bug #14380.
	# <rac@gentoo.org> (14 Feb 2003)
	cd ${S}; epatch ${FILESDIR}/${P}-prelink-lpthread.patch

	# Patch perldoc to not abort when it attempts to search
	# nonexistent directories; fixes bug #16589.
	# <rac@gentoo.org> (28 Feb 2003)
	cd ${S}; epatch ${FILESDIR}/${P}-perldoc-emptydirs.patch

	# to allow building with db4, must replace the DB_File in the core
	# with a newer one from CPAN.

	einfo "Replacing core DB_File with newer version ${DB_FILE_VERSION}"
	rm -rf ${S}/ext/DB_File
	cp -R ${WORKDIR}/DB_File-${DB_FILE_VERSION} ${S}/ext/DB_File

	# there is a security problem in the Safe.pm version in the core.
	einfo "Replacing core Safe.pm with newer version ${SAFE_VERSION}"
	chmod +w ${S}/ext/Opcode/Safe.pm
	cp ${WORKDIR}/Safe-${SAFE_VERSION}/Safe.pm ${S}/ext/Opcode/

	# this lays the groundwork for solving the issue of what happens
	# when people (or ebuilds) install different versiosn of modules
	# that are in the core, by rearranging the @INC directory to look
	# site -> vendor -> core.
	cd ${S}; epatch ${FILESDIR}/${P}-reorder-INC.patch
}

src_compile() {

	export LC_ALL="C"
	local myconf=""
	
	if [ "`use threads`" ]
	then
		einfo "using threads"
		mythreading="-multi"
		myconf="-Dusethreads ${myconf}"
		myarch="${CHOST%%-*}-linux-thread"
	else
		myarch="${CHOST%%-*}-linux"
	fi

	if [ "`use gdbm`" ]
	then
		myconf="${myconf} -Di_gdbm"
	fi
	if [ "`use berkdb`" ]
	then
		myconf="${myconf} -Di_db -Di_ndbm"
	else
		myconf="${myconf} -Ui_db -Ui_ndbm"
	fi
	if [ "`use mips`" ]
	then
		# this is needed because gcc 3.3-compiled kernels will hang
		# the machine trying to run this test - check with `Kumba
		# <rac@gentoo.org> 2003.06.26
		myconf="${myconf} -Dd_u32align"
	fi
	if [ "`use sparc`" ]
	then
		myconf="${myconf} -Ud_longdbl"
	fi
	if [ "`use sparc64`" ]
	then
		myconf="${myconf} -Ud_longdbl"
	fi
	
cat > config.over <<EOF
installprefix=${D}/usr
installarchlib=\`echo \$installarchlib | sed "s!\$prefix!\$installprefix!"\`
installbin=\`echo \$installbin | sed "s!\$prefix!\$installprefix!"\`
installman1dir=\`echo \$installman1dir | sed "s!\$prefix!\$installprefix!"\`
installman3dir=\`echo \$installman3dir | sed "s!\$prefix!\$installprefix!"\`
installman1dir=\`echo \$installman1dir | sed "s!/share/share/!/share/!"\`
installman3dir=\`echo \$installman3dir | sed "s!/share/share/!/share/!"\`
installman1dir=\`echo \$installman1dir | sed "s!/usr/man/!/usr/share/man/!"\`
installman3dir=\`echo \$installman3dir | sed "s!/usr/man/!/usr/share/man/!"\`
man1ext=1
man3ext=3pm
installprivlib=\`echo \$installprivlib | sed "s!\$prefix!\$installprefix!"\`
installscript=\`echo \$installscript | sed "s!\$prefix!\$installprefix!"\`
installsitelib=\`echo \$installsitelib | sed "s!\$prefix!\$installprefix!"\`
installsitearch=\`echo \$installsitearch | sed "s!\$prefix!\$installprefix!"\`
EOF
	sleep 10
	sh Configure -des \
		-Darchname="${myarch}" \
		-Dcc="${CC:-gcc}" \
		-Dprefix='/usr' \
		-Dvendorprefix='/usr' \
		-Dsiteprefix='/usr' \
		-Dlocincpth=' ' \
		-Doptimize="${CFLAGS}" \
		-Duselargefiles \
		-Dd_dosuid \
		-Dd_semctl_semun \
		-Dscriptdir=/usr/bin \
		-Dman3ext='3pm' \
		-Dcf_by='Gentoo' \
		-Ud_csh \
		${myconf} || die "Unable to configure"
			
	MAKEOPTS="${MAKEOPTS} -j1" emake || die "Unable to make"
	
	emake -i test CCDLFLAGS=
}

src_install() {
	
	export LC_ALL="C"
	
	# Need to do this, else apps do not link to dynamic version of
	# the library ...
	local coredir="/usr/lib/perl5/${PV}/${myarch}${mythreading}/CORE"
	dodir ${coredir}
	dosym ../../../../${LIBPERL} ${coredir}/${LIBPERL}
	dosym ../../../../${LIBPERL} ${coredir}/libperl.so.${PERLSLOT}
	dosym ../../../../${LIBPERL} ${coredir}/libperl.so
		
	# Fix for "stupid" modules and programs
	dodir /usr/lib/perl5/site_perl/${PV}/${myarch}${mythreading}

	make DESTDIR="${D}" \
		INSTALLMAN1DIR="${D}/usr/share/man/man1" \
		INSTALLMAN3DIR="${D}/usr/share/man/man3" \
		install || die "Unable to make install"

	cp -f utils/h2ph utils/h2ph_patched
	epatch ${FILESDIR}/perl-5.8.0-RC2-special-h2ph-not-failing-on-machine_ansi_header.patch

	LD_LIBRARY_PATH=. ./perl -Ilib utils/h2ph_patched \
		-a -d ${D}/usr/lib/perl5/${PV}/${myarch}${mythreading} <<EOF
asm/termios.h
syscall.h
syslimits.h
syslog.h
sys/ioctl.h
sys/socket.h
sys/time.h
wait.h
EOF

	# This is to fix a missing c flag for backwards compat
	for i in `find ${D}/usr/lib/perl5 -iname "Config.pm"`;do
		sed -e "s:ccflags=':ccflags='-DPERL5 :" \
		    -e "s:cppflags=':cppflags='-DPERL5 :" \
			${i} > ${i}.new &&\
			mv ${i}.new ${i} || die "Sed failed"
	done

	# A poor fix for the miniperl issues
	dosed 's:./miniperl:/usr/bin/perl:' /usr/lib/perl5/${PV}/ExtUtils/xsubpp
	fperms 0444 /usr/lib/perl5/${PV}/ExtUtils/xsubpp
	dosed 's:./miniperl:/usr/bin/perl:' /usr/bin/xsubpp
	fperms 0755 /usr/bin/xsubpp

	./perl installman \
		--man1dir="${D}/usr/share/man/man1" --man1ext='1' \
		--man3dir="${D}/usr/share/man/man3" --man3ext='3'

	# This removes ${D} from Config.pm and .packlist
	for i in `find ${D} -iname "Config.pm"` `find ${D} -iname ".packlist"`;do 
		einfo "Removing ${D} from ${i}..."
		sed -e "s:${D}::" ${i} > ${i}.new &&\
			mv ${i}.new ${i} || die "Sed failed"
	done
	
	dodoc Changes* Artistic Copying README Todo* AUTHORS

	if [ -n "`use doc`" ]
	then
		# HTML Documentation
		# We expect errors, warnings, and such with the following. 

		dodir /usr/share/doc/${PF}/html
		./perl installhtml \
			--podroot='.' \
			--podpath='lib:ext:pod:vms' \
			--recurse \
			--htmldir="${D}/usr/share/doc/${PF}/html" \
			--libpods='perlfunc:perlguts:perlvar:perlrun:perlop'
	fi
}

pkg_postinst() {

	# Make sure we do not have stale/invalid libperl.so 's ...
	if [ -f "${ROOT}usr/lib/libperl.so" -a ! -L "${ROOT}usr/lib/libperl.so" ]
	then
		mv -f ${ROOT}usr/lib/libperl.so ${ROOT}usr/lib/libperl.so.old
	fi

	local perllib="`readlink -f ${ROOT}usr/lib/libperl.so | sed -e 's:^.*/::'`"

	# If we are installing perl, we need the /usr/lib/libperl.so symlink to
	# point to the version of perl we are running, else builing something
	# against libperl.so will break ...
	if [ "${perllib}" != "${LIBPERL}" ]
	then
		# Delete stale symlinks
		rm -f ${ROOT}usr/lib/libperl.so
		rm -f ${ROOT}usr/lib/libperl.so.${PERLSLOT}
		# Regenerate libperl.so.${PERLSLOT}
		ln -snf ${LIBPERL} ${ROOT}usr/lib/libperl.so.${PERLSLOT}
		# Create libperl.so (we use the *soname* versioned lib here ..)
		ln -snf libperl.so.${PERLSLOT} ${ROOT}usr/lib/libperl.so
	fi
		
	if [ "${ROOT}" = "/" ]
	then
		ebegin "Converting C header files to the corresponding Perl format"
		cd /usr/include; h2ph *.h sys/*.h
	fi

	eerror ""
	eerror "If this is an upgrade to a perl 5.6.1 system,"
	eerror "~OR~ an upgrade to a previous Gentoo release"
	eerror "of perl 5.8.0, prior to -r8 "
	eerror "you may need to recompile applications that"
	eerror "were emerged against the old libperl.so"
	eerror ""
	eerror "${FILESDIR}/libperl_rebuilder "
	eerror "is provided to assist with this. "
	eerror "PLEASE DO NOT INTERRUPT THE RUNNING OF THIS SCRIPT."
	eerror "Part of the rebuilding of applications compiled against "
	eerror "your old libperl involves temporarily unmerging"
	eerror "them - interruptions could leave you with unmerged"
	eerror "packages before they can be remerged."
	eerror ""
	eerror "If you have run the rebuilder and a package still gives"
	eerror "you trouble, and re-emerging it fails to correct"
	eerror "the problem, please check http://bugs.gentoo.org/"
	eerror "for more information or to report a bug."
	eerror ""
	eerror ""
}