Merge updates from master

6 files changed, 249 insertions, 92 deletions

diff --git a/eclass/autotools.eclass b/eclass/autotools.eclass
index 3e6906cb469a..46f2c9744a08 100644
--- a/eclass/autotools.eclass
+++ b/eclass/autotools.eclass
@@ -4,7 +4,7 @@
 # @ECLASS: autotools.eclass
 # @MAINTAINER:
 # base-system@gentoo.org
-# @SUPPORTED_EAPIS: 0 1 2 3 4 5 6 7
+# @SUPPORTED_EAPIS: 5 6 7
 # @BLURB: Regenerates auto* build scripts
 # @DESCRIPTION:
 # This eclass is for safely handling autotooled software packages that need to
@@ -19,19 +19,23 @@ if [[ ${__AUTOTOOLS_AUTO_DEPEND+set} == "set" ]] ; then
 	# eclass at that point, but that adds overhead, and it's trivial
 	# to re-order inherit in eclasses/ebuilds instead.  #409611
 	if [[ ${__AUTOTOOLS_AUTO_DEPEND} != ${AUTOTOOLS_AUTO_DEPEND} ]] ; then
-		die "AUTOTOOLS_AUTO_DEPEND changed value between inherits; please inherit autotools.eclass first! ${__AUTOTOOLS_AUTO_DEPEND} -> ${AUTOTOOLS_AUTO_DEPEND}"
+		die "AUTOTOOLS_AUTO_DEPEND changed value between inherits; please inherit ${ECLASS} first! ${__AUTOTOOLS_AUTO_DEPEND} -> ${AUTOTOOLS_AUTO_DEPEND}"
 	fi
 fi
 
-if [[ -z ${_AUTOTOOLS_ECLASS} ]]; then
+if [[ -z ${_AUTOTOOLS_ECLASS} ]] ; then
 _AUTOTOOLS_ECLASS=1
 
-case ${EAPI:-0} in
-	0|1|2|3|4|5|6|7) ;;
+case ${EAPI} in
+	5|6)
+		# Needed for eqawarn
+		inherit eutils
+		;;
+	7) ;;
 	*) die "${ECLASS}: EAPI ${EAPI} not supported" ;;
 esac
 
-inherit libtool
+inherit gnuconfig libtool
 
 # @ECLASS-VARIABLE: WANT_AUTOCONF
 # @PRE_INHERIT
@@ -74,21 +78,14 @@ _LATEST_AUTOMAKE=( 1.16.2-r1:1.16 )
 
 _automake_atom="sys-devel/automake"
 _autoconf_atom="sys-devel/autoconf"
-if [[ -n ${WANT_AUTOMAKE} ]]; then
+if [[ -n ${WANT_AUTOMAKE} ]] ; then
 	case ${WANT_AUTOMAKE} in
 		# Even if the package doesn't use automake, we still need to depend
 		# on it because we run aclocal to process m4 macros.  This matches
 		# the autoreconf tool, so this requirement is correct, bug #401605.
 		none) ;;
-		latest)
-			# Use SLOT deps if we can.  For EAPI=0, we get pretty close.
-			if [[ ${EAPI:-0} != 0 ]] ; then
-				_automake_atom="|| ( `printf '>=sys-devel/automake-%s:%s ' ${_LATEST_AUTOMAKE[@]/:/ }` )"
-			else
-				_automake_atom="|| ( `printf '>=sys-devel/automake-%s ' ${_LATEST_AUTOMAKE[@]/%:*}` )"
-			fi
-			;;
-		*)      _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
+		latest) _automake_atom="|| ( `printf '>=sys-devel/automake-%s:%s ' ${_LATEST_AUTOMAKE[@]/:/ }` )" ;;
+		*) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
 	esac
 	export WANT_AUTOMAKE
 fi
@@ -114,9 +111,16 @@ if [[ -n ${WANT_LIBTOOL} ]] ; then
 	export WANT_LIBTOOL
 fi
 
+# @ECLASS-VARIABLE: AUTOTOOLS_DEPEND
+# @INTERNAL
+# @DESCRIPTION:
+# Contains the combination of requested automake/autoconf/libtool
+# versions in *DEPEND format.
 AUTOTOOLS_DEPEND="${_automake_atom}
 	${_autoconf_atom}
-	${_libtool_atom}"
+	${_libtool_atom}
+	sys-apps/gawk
+"
 RDEPEND=""
 
 # @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
@@ -127,8 +131,8 @@ RDEPEND=""
 # their own DEPEND string.
 : ${AUTOTOOLS_AUTO_DEPEND:=yes}
 if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
-	case ${EAPI:-0} in
-		0|1|2|3|4|5|6) DEPEND=${AUTOTOOLS_DEPEND} ;;
+	case ${EAPI} in
+		5|6) DEPEND=${AUTOTOOLS_DEPEND} ;;
 		7) BDEPEND=${AUTOTOOLS_DEPEND} ;;
 	esac
 fi
@@ -141,12 +145,14 @@ unset _automake_atom _autoconf_atom
 # @DESCRIPTION:
 # Additional options to pass to automake during
 # eautoreconf call.
+: ${AM_OPTS:=}
 
 # @ECLASS-VARIABLE: AT_NOEAUTOHEADER
 # @DEFAULT_UNSET
 # @DESCRIPTION:
 # Don't run eautoheader command if set to 'yes'; only used to work around
 # packages that don't want their headers being modified.
+: ${AT_NOEAUTOHEADER:=}
 
 # @ECLASS-VARIABLE: AT_NOEAUTOMAKE
 # @DEFAULT_UNSET
@@ -154,6 +160,7 @@ unset _automake_atom _autoconf_atom
 # Don't run eautomake command if set to 'yes'; only used to workaround
 # broken packages.  Generally you should, instead, fix the package to
 # not call AM_INIT_AUTOMAKE if it doesn't actually use automake.
+: ${AT_NOEAUTOMAKE:=}
 
 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
 # @DEFAULT_UNSET
@@ -161,6 +168,7 @@ unset _automake_atom _autoconf_atom
 # Don't run elibtoolize command if set to 'yes',
 # useful when elibtoolize needs to be ran with
 # particular options
+: ${AT_NOELIBTOOLIZE:=}
 
 # @ECLASS-VARIABLE: AT_M4DIR
 # @DEFAULT_UNSET
@@ -245,7 +253,7 @@ eautoreconf() {
 	done
 	${rerun_aclocal} && eaclocal
 
-	if [[ ${WANT_AUTOCONF} = 2.1 ]] ; then
+	if [[ ${WANT_AUTOCONF} == "2.1" ]] ; then
 		eautoconf
 	else
 		eautoconf --force
@@ -265,6 +273,7 @@ eautoreconf() {
 # @FUNCTION: _at_uses_pkg
 # @USAGE: <macros>
 # @INTERNAL
+# @DESCRIPTION:
 # See if the specified macros are enabled.
 _at_uses_pkg() {
 	if [[ -n $(autotools_check_macro "$@") ]] ; then
@@ -337,7 +346,7 @@ eaclocal() {
 _elibtoolize() {
 	local LIBTOOLIZE=${LIBTOOLIZE:-$(type -P glibtoolize > /dev/null && echo glibtoolize || echo libtoolize)}
 
-	if [[ $1 == "--auto-ltdl" ]] ; then
+	if [[ ${1} == "--auto-ltdl" ]] ; then
 		shift
 		_at_uses_libltdl && set -- "$@" --ltdl
 	fi
@@ -365,23 +374,26 @@ eautoconf() {
 		echo
 		die "No configure.{ac,in} present!"
 	fi
+
 	if [[ ${WANT_AUTOCONF} != "2.1" && -e configure.in ]] ; then
-		eqawarn "This package has a configure.in file which has long been deprecated.  Please"
-		eqawarn "update it to use configure.ac instead as newer versions of autotools will die"
-		eqawarn "when it finds this file.  See https://bugs.gentoo.org/426262 for details."
+		case ${EAPI} in
+			5|6|7)
+				eqawarn "This package has a configure.in file which has long been deprecated.  Please"
+				eqawarn "update it to use configure.ac instead as newer versions of autotools will die"
+				eqawarn "when it finds this file.  See https://bugs.gentoo.org/426262 for details."
+				;;
+			*)
+				# Move configure file to the new location only on newer EAPIs to ensure
+				# checks are done rather than retroactively breaking ebuilds.
+				einfo "Moving configure.in to configure.ac (bug #426262)"
+				mv configure.{in,ac} || die
+				;;
+		esac
 	fi
 
 	# Install config.guess and config.sub which are required by many macros
 	# in autoconf >=2.70.
-	local _gnuconfig
-	case ${EAPI:-0} in
-		0|1|2|3|4|5|6)
-			_gnuconfig="${EPREFIX}/usr/share/gnuconfig"
-		;;
-		*)
-			_gnuconfig="${BROOT}/usr/share/gnuconfig"
-		;;
-	esac
+	local _gnuconfig=$(gnuconfig_findnewest)
 	cp "${_gnuconfig}"/config.{guess,sub} . || die
 
 	autotools_run_tool --at-m4flags autoconf "$@"
@@ -409,7 +421,7 @@ eautomake() {
 	if [[ -z ${makefile_name} ]] ; then
 		_at_uses_automake || return 0
 
-	elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
+	elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]] ; then
 		local used_automake
 		local installed_automake
 
@@ -417,7 +429,7 @@ eautomake() {
 		used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
 			sed -e 's:.*by automake \(.*\) from .*:\1:')
 
-		if [[ ${installed_automake} != ${used_automake} ]]; then
+		if [[ ${installed_automake} != ${used_automake} ]] ; then
 			ewarn "Automake used for the package (${used_automake}) differs from" \
 				"the installed version (${installed_automake})."
 			ewarn "Forcing a full rebuild of the autotools to workaround."
@@ -432,8 +444,8 @@ eautomake() {
 	# Older versions of automake do not support --force-missing.  But we want
 	# to use this whenever possible to update random bundled files, bug #133489.
 	case $(_automake_version) in
-	1.4|1.4[.-]*) ;;
-	*) extra_opts+=( --force-missing ) ;;
+		1.4|1.4[.-]*) ;;
+		*) extra_opts+=( --force-missing ) ;;
 	esac
 
 	autotools_run_tool automake --add-missing --copy "${extra_opts[@]}" "$@"
@@ -455,8 +467,8 @@ eautopoint() {
 config_rpath_update() {
 	local dst src
 
-	case ${EAPI:-0} in
-		0|1|2|3|4|5|6)
+	case ${EAPI} in
+		5|6)
 			src="${EPREFIX}/usr/share/gettext/config.rpath"
 			;;
 		*)
@@ -481,12 +493,12 @@ config_rpath_update() {
 autotools_env_setup() {
 	# We do the "latest" → version switch here because it solves
 	# possible order problems, see bug #270010 as an example.
-	if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
+	if [[ ${WANT_AUTOMAKE} == "latest" ]] ; then
 		local pv
 		for pv in ${_LATEST_AUTOMAKE[@]/#*:} ; do
 			# Break on first hit to respect _LATEST_AUTOMAKE order.
 			local hv_args=""
-			case ${EAPI:-0} in
+			case ${EAPI} in
 				5|6)
 					hv_args="--host-root"
 					;;
@@ -511,24 +523,24 @@ autotools_env_setup() {
 autotools_run_tool() {
 	# Process our own internal flags first
 	local autofail=true m4flags=false missing_ok=false return_output=false
-	while [[ -n $1 ]] ; do
-		case $1 in
-		--at-no-fail) autofail=false;;
-		--at-m4flags) m4flags=true;;
-		--at-missing) missing_ok=true;;
-		--at-output)  return_output=true;;
-		# whatever is left goes to the actual tool
-		*) break;;
+	while [[ -n ${1} ]] ; do
+		case ${1} in
+			--at-no-fail) autofail=false ;;
+			--at-m4flags) m4flags=true ;;
+			--at-missing) missing_ok=true ;;
+			--at-output)  return_output=true ;;
+			# whatever is left goes to the actual tool
+			*) break ;;
 		esac
 		shift
 	done
 
-	if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
-		ewarn "QA Warning: running '$1' in ${EBUILD_PHASE} phase"
+	if [[ ${EBUILD_PHASE_FUNC} != "src_unpack" && ${EBUILD_PHASE_FUNC} != "src_prepare" ]] ; then
+		eqawarn "Running '${1}' in ${EBUILD_PHASE_FUNC} phase"
 	fi
 
 	if ${missing_ok} && ! type -P ${1} >/dev/null ; then
-		einfo "Skipping '$*' because '$1' not installed"
+		einfo "Skipping '$*' because '${1}' not installed"
 		return 0
 	fi
 
@@ -557,19 +569,19 @@ autotools_run_tool() {
 		return
 	fi
 
-	printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
+	printf "***** ${1} *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
 
-	ebegin "Running $@"
+	ebegin "Running '$@'"
 	"$@" >> "${STDERR_TARGET}" 2>&1
 	if ! eend $? && ${autofail} ; then
 		echo
-		eerror "Failed running '$1'!"
+		eerror "Failed running '${1}'!"
 		eerror
 		eerror "Include in your bug report the contents of:"
 		eerror
 		eerror "  ${STDERR_TARGET}"
 		echo
-		die "Failed running '$1'!"
+		die "Failed running '${1}'!"
 	fi
 }
 
@@ -642,7 +654,7 @@ _autotools_m4dir_include() {
 			# We handle it below
 			-${flag}) ;;
 			*)
-				[[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
+				[[ ! -d ${x} ]] && ewarn "${ECLASS}: '${x}' does not exist"
 				include_opts+=" -${flag} ${x}"
 				;;
 		esac
diff --git a/eclass/flag-o-matic.eclass b/eclass/flag-o-matic.eclass
index 20ee39d98bad..ed1b6e746cef 100644
--- a/eclass/flag-o-matic.eclass
+++ b/eclass/flag-o-matic.eclass
@@ -1,27 +1,52 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: flag-o-matic.eclass
 # @MAINTAINER:
 # toolchain@gentoo.org
+# @SUPPORTED_EAPIS: 5 6 7
 # @BLURB: common functions to manipulate and query toolchain flags
 # @DESCRIPTION:
 # This eclass contains a suite of functions to help developers sanely
 # and safely manage toolchain flags in their builds.
 
+case ${EAPI:-0} in
+	0|1|2|3|4) die "flag-o-matic.eclass: EAPI ${EAPI} is too old." ;;
+	5|6|7) ;;
+	*) die "EAPI ${EAPI} is not supported by flag-o-matic.eclass." ;;
+esac
+
 if [[ -z ${_FLAG_O_MATIC_ECLASS} ]]; then
 _FLAG_O_MATIC_ECLASS=1
 
-inherit eutils toolchain-funcs multilib
+inherit toolchain-funcs
+
+[[ ${EAPI} == [567] ]] && inherit eutils
 
+# @FUNCTION: all-flag-vars
+# @DESCRIPTION:
 # Return all the flag variables that our high level funcs operate on.
 all-flag-vars() {
 	echo {ADA,C,CPP,CXX,CCAS,F,FC,LD}FLAGS
 }
 
+# @FUNCTION: setup-allowed-flags
+# @INTERNAL
+# @DESCRIPTION:
 # {C,CPP,CXX,CCAS,F,FC,LD}FLAGS that we allow in strip-flags
 # Note: shell globs and character lists are allowed
 setup-allowed-flags() {
+	[[ ${EAPI} == [567] ]] ||
+		die "Internal function ${FUNCNAME} is not available in EAPI ${EAPI}."
+	_setup-allowed-flags "$@"
+}
+
+# @FUNCTION: _setup-allowed-flags
+# @INTERNAL
+# @DESCRIPTION:
+# {C,CPP,CXX,CCAS,F,FC,LD}FLAGS that we allow in strip-flags
+# Note: shell globs and character lists are allowed
+_setup-allowed-flags() {
 	ALLOWED_FLAGS=(
 		-pipe -O '-O[12sg]' -mcpu -march -mtune
 		'-fstack-protector*' '-fsanitize*' '-fstack-check*' -fno-stack-check
@@ -87,7 +112,10 @@ setup-allowed-flags() {
 	)
 }
 
-# inverted filters for hardened compiler.  This is trying to unpick
+# @FUNCTION: _filter-hardened
+# @INTERNAL
+# @DESCRIPTION:
+# Inverted filters for hardened compiler.  This is trying to unpick
 # the hardened compiler defaults.
 _filter-hardened() {
 	local f
@@ -121,6 +149,9 @@ _filter-hardened() {
 	done
 }
 
+# @FUNCTION: _filter-var
+# @INTERNAL
+# @DESCRIPTION:
 # Remove occurrences of strings from variable given in $1
 # Strings removed are matched as globs, so for example
 # '-O*' would remove -O1, -O2 etc.
@@ -313,6 +344,11 @@ replace-cpu-flags() {
 	return 0
 }
 
+# @FUNCTION: _is_flagq
+# @USAGE: <variable> <flag>
+# @INTERNAL
+# @DESCRIPTION:
+# Returns shell true if <flag> is in a given <variable>, else returns shell false.
 _is_flagq() {
 	local x var="$1[*]"
 	for x in ${!var} ; do
@@ -405,7 +441,7 @@ strip-flags() {
 	local x y var
 
 	local ALLOWED_FLAGS
-	setup-allowed-flags
+	_setup-allowed-flags
 
 	set -f	# disable pathname expansion
 
@@ -438,7 +474,25 @@ strip-flags() {
 	return 0
 }
 
+# @FUNCTION: test-flag-PROG
+# @USAGE: <compiler> <flag>
+# @INTERNAL
+# @DESCRIPTION:
+# Returns shell true if <flag> is supported by given <compiler>,
+# else returns shell false.
 test-flag-PROG() {
+	[[ ${EAPI} == [567] ]] ||
+		die "Internal function ${FUNCNAME} is not available in EAPI ${EAPI}."
+	_test-flag-PROG "$@"
+}
+
+# @FUNCTION: _test-flag-PROG
+# @USAGE: <compiler> <flag>
+# @INTERNAL
+# @DESCRIPTION:
+# Returns shell true if <flag> is supported by given <compiler>,
+# else returns shell false.
+_test-flag-PROG() {
 	local comp=$1
 	local lang=$2
 	shift 2
@@ -533,33 +587,51 @@ test-flag-PROG() {
 # @USAGE: <flag>
 # @DESCRIPTION:
 # Returns shell true if <flag> is supported by the C compiler, else returns shell false.
-test-flag-CC() { test-flag-PROG "CC" c "$@"; }
+test-flag-CC() { _test-flag-PROG CC c "$@"; }
 
 # @FUNCTION: test-flag-CXX
 # @USAGE: <flag>
 # @DESCRIPTION:
 # Returns shell true if <flag> is supported by the C++ compiler, else returns shell false.
-test-flag-CXX() { test-flag-PROG "CXX" c++ "$@"; }
+test-flag-CXX() { _test-flag-PROG CXX c++ "$@"; }
 
 # @FUNCTION: test-flag-F77
 # @USAGE: <flag>
 # @DESCRIPTION:
 # Returns shell true if <flag> is supported by the Fortran 77 compiler, else returns shell false.
-test-flag-F77() { test-flag-PROG "F77" f77 "$@"; }
+test-flag-F77() { _test-flag-PROG F77 f77 "$@"; }
 
 # @FUNCTION: test-flag-FC
 # @USAGE: <flag>
 # @DESCRIPTION:
 # Returns shell true if <flag> is supported by the Fortran 90 compiler, else returns shell false.
-test-flag-FC() { test-flag-PROG "FC" f95 "$@"; }
+test-flag-FC() { _test-flag-PROG FC f95 "$@"; }
 
 # @FUNCTION: test-flag-CCLD
 # @USAGE: <flag>
 # @DESCRIPTION:
 # Returns shell true if <flag> is supported by the C compiler and linker, else returns shell false.
-test-flag-CCLD() { test-flag-PROG "CC" c+ld "$@"; }
+test-flag-CCLD() { _test-flag-PROG CC c+ld "$@"; }
 
+# @FUNCTION: test-flags-PROG
+# @USAGE: <compiler> <flag> [more flags...]
+# @INTERNAL
+# @DESCRIPTION:
+# Returns shell true if <flags> are supported by given <compiler>,
+# else returns shell false.
 test-flags-PROG() {
+	[[ ${EAPI} == [567] ]] ||
+		die "Internal function ${FUNCNAME} is not available in EAPI ${EAPI}."
+	_test-flags-PROG "$@"
+}
+
+# @FUNCTION: _test-flags-PROG
+# @USAGE: <compiler> <flag> [more flags...]
+# @INTERNAL
+# @DESCRIPTION:
+# Returns shell true if <flags> are supported by given <compiler>,
+# else returns shell false.
+_test-flags-PROG() {
 	local comp=$1
 	local flags=()
 	local x
@@ -596,31 +668,31 @@ test-flags-PROG() {
 # @USAGE: <flags>
 # @DESCRIPTION:
 # Returns shell true if <flags> are supported by the C compiler, else returns shell false.
-test-flags-CC() { test-flags-PROG "CC" "$@"; }
+test-flags-CC() { _test-flags-PROG CC "$@"; }
 
 # @FUNCTION: test-flags-CXX
 # @USAGE: <flags>
 # @DESCRIPTION:
 # Returns shell true if <flags> are supported by the C++ compiler, else returns shell false.
-test-flags-CXX() { test-flags-PROG "CXX" "$@"; }
+test-flags-CXX() { _test-flags-PROG CXX "$@"; }
 
 # @FUNCTION: test-flags-F77
 # @USAGE: <flags>
 # @DESCRIPTION:
 # Returns shell true if <flags> are supported by the Fortran 77 compiler, else returns shell false.
-test-flags-F77() { test-flags-PROG "F77" "$@"; }
+test-flags-F77() { _test-flags-PROG F77 "$@"; }
 
 # @FUNCTION: test-flags-FC
 # @USAGE: <flags>
 # @DESCRIPTION:
 # Returns shell true if <flags> are supported by the Fortran 90 compiler, else returns shell false.
-test-flags-FC() { test-flags-PROG "FC" "$@"; }
+test-flags-FC() { _test-flags-PROG FC "$@"; }
 
 # @FUNCTION: test-flags-CCLD
 # @USAGE: <flags>
 # @DESCRIPTION:
 # Returns shell true if <flags> are supported by the C compiler and default linker, else returns shell false.
-test-flags-CCLD() { test-flags-PROG "CCLD" "$@"; }
+test-flags-CCLD() { _test-flags-PROG CCLD "$@"; }
 
 # @FUNCTION: test-flags
 # @USAGE: <flags>
diff --git a/eclass/gnuconfig.eclass b/eclass/gnuconfig.eclass
index 3433837787c2..173df6fd25e9 100644
--- a/eclass/gnuconfig.eclass
+++ b/eclass/gnuconfig.eclass
@@ -1,25 +1,46 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
-#
-# Author: Will Woods <wwoods@gentoo.org>
-#
+
+# @ECLASS: gnuconfig.eclass
+# @MAINTAINER:
+# Sam James <sam@gentoo.org>
+# @AUTHOR:
+# Will Woods <wwoods@gentoo.org>
+# @SUPPORTED_EAPIS: 5 6 7
+# @BLURB: Refresh bundled gnuconfig files (config.guess, config.sub)
+# @DESCRIPTION:
 # This eclass is used to automatically update files that typically come with
 # automake to the newest version available on the system. The most common use
 # of this is to update config.guess and config.sub when configure dies from
 # misguessing your canonical system name (CHOST). It can also be used to update
 # other files that come with automake, e.g. depcomp, mkinstalldirs, etc.
 #
-# usage: gnuconfig_update [file1 file2 ...]
+
+case ${EAPI:-0} in
+	5|6|7)
+		;;
+	*)
+		die "EAPI ${EAPI} is unsupported!"
+		;;
+esac
+
+if [[ -z ${_GNUCONFIG_ECLASS} ]] ; then
+ _GNUCONFIG_CLASS=1
+
+BDEPEND="sys-devel/gnuconfig"
+
+[[ ${EAPI} == [56] ]] && DEPEND="${BDEPEND}"
+
+# @FUNCTION: gnuconfig_update
+# @USAGE: [file1 file2 ...]
+# @DESCRIPTION:
 # if called without arguments, config.guess and config.sub will be updated.
 # All files in the source tree ($S) with the given name(s) will be replaced
 # with the newest available versions chosen from the list of locations in
 # gnuconfig_findnewest(), below.
 #
 # gnuconfig_update should generally be called from src_unpack()
-
-
-DEPEND="sys-devel/gnuconfig"
-
+#
 # Wrapper function for gnuconfig_do_update. If no arguments are given, update
 # config.sub and config.guess (old default behavior), otherwise update the
 # named files.
@@ -42,6 +63,9 @@ gnuconfig_update() {
 	return $?
 }
 
+# @FUNCTION: gnuconfig_do_update
+# @INTERNAL
+# @DESCRIPTION:
 # Copy the newest available version of specified files over any old ones in the
 # source dir. This function shouldn't be called directly - use gnuconfig_update
 #
@@ -75,16 +99,34 @@ gnuconfig_do_update() {
 	return 0
 }
 
-# this searches the standard locations for the newest config.{sub|guess}, and
+# @FUNCTION: gnuconfig_findnewest
+# @INTERNAL
+# @DESCRIPTION:
+# This searches the standard locations for the newest config.{sub|guess}, and
 # returns the directory where they can be found.
 gnuconfig_findnewest() {
-	local locations=(
-		"${EPREFIX}"/usr/share/misc/config.sub
-		"${EPREFIX}"/usr/share/gnuconfig/config.sub
-		"${EPREFIX}"/usr/share/automake*/config.sub
-		"${EPREFIX}"/usr/share/libtool/config.sub
+	local locations=()
+	local prefix
+
+	case ${EAPI} in
+		5|6)
+			prefix="${EPREFIX}"
+			;;
+		*)
+			prefix="${BROOT}"
+			;;
+	esac
+
+	locations+=(
+		"${prefix}"/usr/share/misc/config.sub
+		"${prefix}"/usr/share/gnuconfig/config.sub
+		"${prefix}"/usr/share/automake*/config.sub
+		"${prefix}"/usr/share/libtool/config.sub
 	)
+
 	grep -s '^timestamp' "${locations[@]}" | \
 		sort -r -n -t\' -k2 | \
 		sed -n '1{s,/config.sub:.*$,,;p;q}'
 }
+
+fi
diff --git a/sys-auth/nss_ldap/files/nss_ldap-265-libdir.patch b/sys-auth/nss_ldap/files/nss_ldap-265-libdir.patch
new file mode 100644
index 000000000000..d3609b604a23
--- /dev/null
+++ b/sys-auth/nss_ldap/files/nss_ldap-265-libdir.patch
@@ -0,0 +1,31 @@
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -38,17 +38,13 @@
+ DEFS = @DEFS@
+ #INCLUDES = -I$(top_builddir) -I$(srcdir)
+ 
+-if GCC
+-MULTI_OS_DIRECTORY=$(shell $(CC) $(CFLAGS) -print-multi-os-directory)
+-else
+ MULTI_OS_DIRECTORY=.
+-endif
+ 
+ if GLIBC
+-LIBC_VERS = $(shell ls /lib/$(MULTI_OS_DIRECTORY)/libc-*.so | tail -n 1 | sed -e 's|.*libc-\(.*\)\.so|\1|')
++LIBC_VERS = $(shell ls @GENTOO_PORTAGE_EPREFIX@/lib/$(MULTI_OS_DIRECTORY)/libc-*.so | tail -n 1 | sed -e 's|.*libc-\(.*\)\.so|\1|')
+ NSS_LDAP_LIBC_VERSIONED = libnss_ldap-$(LIBC_VERS).so
+ 
+-NSS_VERS = $(shell ls /lib/$(MULTI_OS_DIRECTORY)/libnss_files.so.? | tail -n 1 | sed -e 's|.*libnss_files\.so\.\(.*\)|\1|')
++NSS_VERS = $(shell ls @GENTOO_PORTAGE_EPREFIX@/lib/$(MULTI_OS_DIRECTORY)/libnss_files.so.? | tail -n 1 | sed -e 's|.*libnss_files\.so\.\(.*\)|\1|')
+ NSS_LDAP_NSS_VERSIONED = libnss_ldap.so.$(NSS_VERS)
+ endif
+ 
+@@ -83,8 +79,6 @@
+ 	$(mkinstalldirs) $(DESTDIR)$(libdir)
+ 	$(INSTALL_PROGRAM) -o $(INST_UID) -g $(INST_GID) nss_ldap.so $(DESTDIR)$(libdir)/$(NSS_LDAP_LIBC_VERSIONED)
+ 	(cd $(DESTDIR)$(libdir); ln -sf $(NSS_LDAP_LIBC_VERSIONED) $(NSS_LDAP_NSS_VERSIONED))
+-	$(mkinstalldirs) $(DESTDIR)/usr$(libdir)
+-	(cd $(DESTDIR)/usr$(libdir); ln -sf ../..$(libdir)/$(NSS_LDAP_NSS_VERSIONED) .)
+ else
+ 	$(mkinstalldirs) $(DESTDIR)$(libdir)
+ if HPUX
diff --git a/sys-auth/nss_ldap/nss_ldap-265-r8.ebuild b/sys-auth/nss_ldap/nss_ldap-265-r9.ebuild
index e6ed3ba6fc38..749cdb870cf0 100644
--- a/sys-auth/nss_ldap/nss_ldap-265-r8.ebuild
+++ b/sys-auth/nss_ldap/nss_ldap-265-r9.ebuild
@@ -12,7 +12,7 @@ SRC_URI="http://www.padl.com/download/${P}.tar.gz"
 SLOT="0"
 LICENSE="LGPL-2"
 KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux"
-IUSE="debug kerberos ssl sasl"
+IUSE="debug kerberos ssl sasl split-usr"
 
 DEPEND="
 	>=net-nds/openldap-2.4.38-r1[${MULTILIB_USEDEP}]
@@ -32,7 +32,7 @@ src_prepare() {
 	# eprefixify is safe on non-Prefix systems, so go unconditional
 	# Note: comment this out or make it conditional on 'use prefix'
 	# if needs rebasing. Don't remove.
-	eapply "${FILESDIR}"/${P}-installdir.patch
+	eapply "${FILESDIR}"/${P}-libdir.patch
 	eprefixify Makefile.am
 
 	# bug 438692
@@ -121,8 +121,8 @@ multilib_src_install() {
 }
 
 multilib_src_install_all() {
-	# Dumb /usr/lib* -> /lib* symlinks gone wrong
-	rm -rf "${ED}"/usr/usr || die
+	use split-usr &&
+		dosym ../../$(get_libdir)/libnss_ldap.so.2 /usr/$(get_libdir)/libnss_ldap.so.2
 
 	insinto /etc
 	doins ldap.conf
@@ -138,7 +138,7 @@ multilib_src_install_all() {
 		CVSVersionInfo.txt README nsswitch.ldap certutil
 
 	docinto docs
-	dodoc doc/*
+	dodoc -r doc/.
 }
 
 pkg_postinst() {
diff --git a/sys-libs/gpm/gpm-1.20.7-r3.ebuild b/sys-libs/gpm/gpm-1.20.7-r3.ebuild
index bb7b8679025a..22f9f5d1a4aa 100644
--- a/sys-libs/gpm/gpm-1.20.7-r3.ebuild
+++ b/sys-libs/gpm/gpm-1.20.7-r3.ebuild
@@ -27,7 +27,7 @@ BDEPEND="
 	sys-apps/texinfo
 	virtual/yacc"
 
-CONFIG_CHECK="INPUT_MOUSEDEV"
+CONFIG_CHECK="~INPUT_MOUSEDEV"
 ERROR_INPUT_MOUSEDEV="CONFIG_INPUT_MOUSEDEV:\tis not set (required to expose mice for GPM)"
 
 pkg_pretend() {