# Copyright 1999-2002 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License, v2 or later
# $Header: /home/cvsroot/gentoo-x86/sys-libs/glibc/glibc-2.2.5-r6.ebuild,v 1.6 2002/09/22 08:01:31 azarah Exp $
inherit flag-o-matic

filter-flags "-fomit-frame-pointer -malign-double"

NGPT_VER="2.0.2"

S=${WORKDIR}/${P}
DESCRIPTION="GNU libc6 (also called glibc2) C library"
SRC_URI="ftp://sources.redhat.com/pub/glibc/releases/glibc-${PV}.tar.bz2
	 ftp://sources.redhat.com/pub/glibc/releases/glibc-linuxthreads-${PV}.tar.bz2
	 ngpt? ( http://www-124.ibm.com/developerworks/oss/pthreads/download/stable/source/ngpt-${NGPT_VER}.tar.gz )"
HOMEPAGE="http://www.gnu.org/software/libc/libc.html"

LICENSE="GPL-2"
SLOT="2.2"
KEYWORDS="x86 ppc sparc sparc64 alpha"

#portage-1.8.9 needed for smart library merging feature (avoids segfaults on glibc upgrade)
#drobbins, 18 Mar 2002: we now rely on the system profile to select the correct linus-headers
DEPEND="sys-kernel/linux-headers
	nls? ( sys-devel/gettext )"
RDEPEND="sys-kernel/linux-headers
	sys-apps/baselayout
	build? ( >=sys-apps/portage-1.9.0 )"

PROVIDE="virtual/glibc"

#lock glibc at -O2 -- linuxthreads needs it and we want to be conservative here
export CFLAGS="${CFLAGS//-O?} -O2"
export CXXFLAGS="${CFLAGS}"

src_unpack() {
	unpack glibc-${PV}.tar.bz2
	cd ${S}
	#extract pre-made man pages.  Otherwise we need perl, which is a no-no.
	mkdir man; cd man
	tar xjf ${FILESDIR}/glibc-manpages-${PV}.tar.bz2

	# Unpack the threading libs.
	# NOTE: glibc cannot compile without linuxthreads currently, and ngpt
	#       is not a 100% drop in replacement, so we still need the old
	#       pthreads libs present ....
	cd ${S}
	use ngpt \
		&& ( unpack ngpt-${NGPT_VER}.tar.gz ; mv ngpt-${NGPT_VER} ngpt )
	unpack glibc-linuxthreads-${PV}.tar.bz2

	# This patch apparently eliminates compiler warnings for some versions of gcc.
	# For information about the string2 patch, see: 
	# http://lists.gentoo.org/pipermail/gentoo-dev/2001-June/001559.html
	patch -p0 < ${FILESDIR}/glibc-2.2.4-string2.h.diff || die

	# This next one is a new patch to fix thread signal handling.  See:
	# http://sources.redhat.com/ml/libc-hacker/2002-02/msg00120.html
	# (Added by drobbins on 05 Mar 2002)
	patch -p0 < ${FILESDIR}/glibc-2.2.5-threadsig.diff || die

	# This next patch fixes a test that will timeout due to ReiserFS' slow handling of sparse files
	cd ${S}/io; patch -p0 < ${FILESDIR}/glibc-2.2.2-test-lfs-timeout.patch || die

	# A buffer overflow vulnerability exists in multiple implementations of DNS
	# resolver libraries.  This affects glibc-2.2.5 and earlier. See bug #4923
	# and:
	#
	#   http://www.cert.org/advisories/CA-2002-19.html
	cd ${S}; patch -p1 < ${FILESDIR}/${P}-dns-network-overflow.diff || die

	# Security update for sunrpc
	# <aliz@gentoo.org>
	#
	cd ${S}; patch -p1 < ${FILESDIR}/${P}-sunrpc-overflow.diff || die

	if [ "${ARCH}" = "x86" ]; then
	# This patch fixes the nvidia-glx probs, openoffice and vmware probs and such..
        # http://sources.redhat.com/ml/libc-hacker/2002-02/msg00152.html
        cd ${S}; patch -p1 < ${FILESDIR}/glibc-divdi3.diff || die
	fi
	
	# Some gcc-3.1.1 fixes.  This works fine for other versions of gcc as well,
	# and should generally be ok, as it just fixes define order that causes scope
	# problems with gcc-3.1.1.
	# (Azarah, 14 Jul 2002)
	cd ${S}; patch -p1 < ${FILESDIR}/glibc-2.2.5-gcc311.patch || die

	# Avoid "Error: illegal instruction" when compiling on sparc with gcc 3.1.1
	if [ "${ARCH}" = "sparc" -o "${ARCH}" = "sparc64" ]; then
		cd ${S}; patch -p1 < ${FILESDIR}/glibc-2.2.5-gcc311-sparc.patch || die
	fi
	
	# Some patches to fixup build on alpha
	if [ "${ARCH}" = "alpha" ]; then
		cd ${S}
		patch -p1 < ${FILESDIR}/glibc-2.2.5-alpha-gcc3-fix.diff || die
		patch -p1 < ${FILESDIR}/glibc-2.2.5-alpha-pcdyn-fix.diff || die
	fi
}

src_compile() {
	local myconf=""
	# If we build for the build system we use the kernel headers from the target
	use build && myconf="${myconf} --with-header=${ROOT}usr/include"
	use nls || myconf="${myconf} --disable-nls"

	rm -rf ${S}/buildhere
	mkdir -p ${S}/buildhere
	cd ${S}/buildhere
	../configure --host=${CHOST} \
		--with-gd=no \
		--without-cvs \
		--disable-profile \
		--enable-add-ons=linuxthreads \
		--prefix=/usr \
		--mandir=/usr/share/man \
		--infodir=/usr/share/info \
		--libexecdir=/usr/lib/misc \
		${myconf} || die
	#This next option breaks the Sun JDK and the IBM JDK
	#We should really keep compatibility with older kernels, anyway
	#--enable-kernel=2.4.0

	if [ "`use ngpt`" ]
	then
		cd ${S}/ngpt
		./configure --prefix=/usr \
			--libdir=/lib || die
	fi

	cd ${S}/buildhere	
	make PARALLELMFLAGS="${MAKEOPTS}" || die
	make check

	if [ "`use ngpt`" ]
	then
		cd ${S}/ngpt
		make || die
	fi
}


src_install() {
	export LC_ALL=C
	make PARALLELMFLAGS="${MAKEOPTS}" \
		install_root=${D} \
		install -C buildhere || die
		
	if [ -z "`use build`" ]
	then
		make PARALLELMFLAGS="${MAKEOPTS}" \
			install_root=${D} \
			info -C buildhere || die
			
		make PARALLELMFLAGS="${MAKEOPTS}" \
			install_root=${D} \
			localedata/install-locales -C buildhere || die
			
		#install linuxthreads man pages
		dodir /usr/share/man/man3
		doman ${S}/man/*.3thr	
		install -m 644 nscd/nscd.conf ${D}/etc
		dodoc BUGS ChangeLog* CONFORMANCE COPYING* FAQ INTERFACE \
			NEWS NOTES PROJECTS README*
	else
		rm -rf ${D}/usr/share ${D}/usr/lib/gconv
	fi

	if [ "`use ngpt`" ]
	then
		make prefix=${D}/usr \
			libdir=${D}/lib \
			install -C ${S}/ngpt || die

		rm -rf ${D}/usr/lib/{libpthread.a,libthread_db.a}
		# Breaks things a bit ..
		#mv ${D}/lib/{libpthread.a,libthread_db.a} ${D}/usr/lib
		cp -f ${D}/lib/libthread_db.so ${D}/lib/libthread_db-1.0.so
		dosym libthread_db-1.0.so /lib/libthread_db.so.1
		dosym ../../lib/libpthread.so /usr/lib/libpthread.so
		dosym ../../lib/libthread_db.so /usr/lib/libthread_db.so
	fi
	
	if [ "`use pic`" ] 
	then
		find ${S}/buildhere -name "soinit.os" -exec cp {} ${D}/lib/soinit.o \;
		find ${S}/buildhere -name "sofini.os" -exec cp {} ${D}/lib/sofini.o \;
		find ${S}/buildhere -name "*_pic.a" -exec cp {} ${D}/lib \;
		find ${S}/buildhere -name "*.map" -exec cp {} ${D}/lib \;
		for i in ${D}/lib/*.map
		do
			mv ${i} ${i%.map}_pic.map
		done
	fi
	
	#is this next line actually needed or does the makefile get it right?
	#It previously has 0755 perms which was killing things.
	chmod 4755 ${D}/usr/lib/misc/pt_chown
	rm -f ${D}/etc/ld.so.cache

	#prevent overwriting of the /etc/localtime symlink.  We'll handle the
	#creation of the "factory" symlink in pkg_postinst().
	rm -f ${D}/etc/localtime

	#some things want this, notably ash.
	dosym /usr/lib/libbsd-compat.a /usr/lib/libbsd.a
}

pkg_postinst() {
	# Correct me if I am wrong here, but my /etc/localtime is a file
	# created by zic ....
	# I am thinking that it should only be recreated if no /etc/localtime
	# exists, or if it is an invalid symlink.
	#
	# For invalid symlink:
	#   -f && -e  will fail
	#   -L will succeed
	#
	if [ ! -e ${ROOT}/etc/localtime ]
	then
		echo "Please remember to set your timezone using the zic command."
		rm -f ${ROOT}/etc/localtime
		ln -s ../usr/share/zoneinfo/Factory ${ROOT}/etc/localtime
	fi

	/usr/bin/ngptinit
}