# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-libs/glibc/files/eblits/src_prepare.eblit,v 1.1 2014/09/10 05:59:03 vapier Exp $

eblit-glibc-src_prepare() {
	# XXX: We should do the branchupdate, before extracting the manpages and
	# infopages else it does not help much (mtimes change if there is a change
	# to them with branchupdate)
	if [[ -n ${BRANCH_UPDATE} ]] ; then
		epatch "${DISTDIR}"/glibc-${RELEASE_VER}-branch-update-${BRANCH_UPDATE}.patch.bz2

		# Snapshot date patch
		einfo "Patching version to display snapshot date ..."
		sed -i -e "s:\(#define RELEASE\).*:\1 \"${BRANCH_UPDATE}\":" version.h
	fi

	# tag, glibc is it
	if ! version_is_at_least 2.17 ; then
		[[ -e csu/Banner ]] && die "need new banner location"
		glibc_banner > csu/Banner
	fi
	if [[ -n ${PATCH_VER} ]] && ! use vanilla ; then
		EPATCH_MULTI_MSG="Applying Gentoo Glibc Patchset ${RELEASE_VER}-${PATCH_VER} ..." \
		EPATCH_EXCLUDE=${GLIBC_PATCH_EXCLUDE} \
		EPATCH_SUFFIX="patch" \
		ARCH=$(tc-arch) \
		epatch "${WORKDIR}"/patches
	fi

	if just_headers ; then
		if [[ -e ports/sysdeps/mips/preconfigure ]] ; then
			# mips peeps like to screw with us.  if building headers,
			# we don't have a real compiler, so we can't let them
			# insert -mabi on us.
			sed -i '/CPPFLAGS=.*-mabi/s|.*|:|' ports/sysdeps/mips/preconfigure || die
			find ports/sysdeps/mips/ -name Makefile -exec sed -i '/^CC.*-mabi=/s:-mabi=.*:-D_MIPS_SZPTR=32:' {} +
		fi
	fi

 	epatch "${FILESDIR}"/CVE-2015-1781-dns-host.c-buffer-overflow.patch

	epatch_user

	gnuconfig_update

	# Glibc is stupid sometimes, and doesn't realize that with a
	# static C-Only gcc, -lgcc_eh doesn't exist.
	# http://sourceware.org/ml/libc-alpha/2003-09/msg00100.html
	# http://sourceware.org/ml/libc-alpha/2005-02/msg00042.html
	# But! Finally fixed in recent versions:
	# http://sourceware.org/ml/libc-alpha/2012-05/msg01865.html
	if ! version_is_at_least 2.16 ; then
		echo 'int main(){}' > "${T}"/gcc_eh_test.c
		if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/gcc_eh_test.c -lgcc_eh 2>/dev/null ; then
			sed -i -e 's:-lgcc_eh::' Makeconfig || die "sed gcc_eh"
		fi
	fi

	cd "${WORKDIR}"
	find . -type f '(' -size 0 -o -name "*.orig" ')' -delete
	find . -name configure -exec touch {} +

	# Fix permissions on some of the scripts.
	chmod u+x "${S}"/scripts/*.sh
}