3 files changed, 234 insertions, 0 deletions
diff --git a/sys-devel/autoconf-wrapper/Manifest b/sys-devel/autoconf-wrapper/Manifest
index 11cacb6845de..b101f07acd2c 100644
--- a/sys-devel/autoconf-wrapper/Manifest
+++ b/sys-devel/autoconf-wrapper/Manifest
@@ -1,5 +1,7 @@
 AUX ac-wrapper-13.sh 5055 BLAKE2B 66fd728f347cdb873007e51113225608b3dae87c5979ba512a5e65a3185d8278502cdbaa60675b33643e0f9f459cf3956967f8e07b198d442139abb06a75f597 SHA512 0bbe9a992cff140bd60161404f1d1f6a9da6c79b1e9909000092f5e1159e457edee3fcefcb8fcaf47cedd9a7074505c4a61bc25107277d248150cdde5f11c5b7
 AUX ac-wrapper-14.sh 5093 BLAKE2B 4ce76b0eae9b7be9bbf4fbb12dacf10e9c2731c13f2e708feebf583c9a7c88a9985cc992c617c5e2a30772daa61bc05391196c1d7ddebd4f1269b60c4038db60 SHA512 868751a8e73e6994fef500df37d5a002445ea3da6d68affa8aaaa5b00a8a913b08c4576ca030d578686d97e1b237defa735a46c03b9655e65e38c625488fc9ec
+AUX ac-wrapper-15.sh 5102 BLAKE2B a5575fc72c9b83801dd38104fc90c6df71bd4e387f882f515e26e22d7b24fec7958dbdba0d484dca3ae779ef0a9eca80c479e1ea5243c29e2b6f37edad795c89 SHA512 4ca9c2fd016862ff17776c1df320b72af40f8c2babf1fe49be823d5bdc4dd52d720faf0e7ff7b1859c0185db2afeb2181d0d0cb5c404e96c0f64211e9cb67db3
 EBUILD autoconf-wrapper-13-r1.ebuild 785 BLAKE2B 5b55a828dcc7260f82d8af38f4237a8ab05749bd71dfb66e1fadec59e989ea66aa49aafcd55dde54d9e34ff2096cb573d077dfd32c3cd204de6c0391d66bb4e9 SHA512 8a0c74419cac7cf8803dae5faa09cdcb5f69cc700490f7a11b05125bc0682a49bbe6346f7edd6f5676f7f85046f5a1ddc4bf2c8f879b9164797b3f74f1b5a248
 EBUILD autoconf-wrapper-14.ebuild 823 BLAKE2B 2dddfe1c7e55ec4ab70a7c556061a3b6b385a43a95e45a444038b06ca23e70c620f3b268928ebc3fe710fdf385b34f5484ca1bfd69b28771a857bbe3988c94bf SHA512 bc08692c0eb0baf560038537abad44fcab12b59c6199c383cca6d6a7331f5ed2dda9b2155cc1ec8b89041d186779684c14cd61854d99748c23b04db895cad03c
+EBUILD autoconf-wrapper-15.ebuild 823 BLAKE2B 2dddfe1c7e55ec4ab70a7c556061a3b6b385a43a95e45a444038b06ca23e70c620f3b268928ebc3fe710fdf385b34f5484ca1bfd69b28771a857bbe3988c94bf SHA512 bc08692c0eb0baf560038537abad44fcab12b59c6199c383cca6d6a7331f5ed2dda9b2155cc1ec8b89041d186779684c14cd61854d99748c23b04db895cad03c
 MISC metadata.xml 253 BLAKE2B 295e9d6d93aaa12af413972e1590c67087801cc09c9aa6b59d4606c0f4106d1dacf2baa9858559083b4c6d91beeef218d0729e8593a33788958da6d2897e8ce2 SHA512 54a9069aeb4165d2dff3d473c8001bc51613aac9dff3f7f5e9971a9891a737a31511ffa11cbd523febe581ac1d9de2bdf2f40410f0c4239138f2ccca3ef15555
diff --git a/sys-devel/autoconf-wrapper/autoconf-wrapper-15.ebuild b/sys-devel/autoconf-wrapper/autoconf-wrapper-15.ebuild
new file mode 100644
index 000000000000..68d956726bb0
--- /dev/null
+++ b/sys-devel/autoconf-wrapper/autoconf-wrapper-15.ebuild
@@ -0,0 +1,29 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit multilib
+
+DESCRIPTION="wrapper for autoconf to manage multiple autoconf versions"
+HOMEPAGE="https://wiki.gentoo.org/wiki/No_homepage"
+SRC_URI=""
+
+LICENSE="GPL-2"
+SLOT="0"
+[[ "${PV}" == *_pre* ]] || \
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE=""
+
+S="${WORKDIR}"
+
+src_install() {
+	exeinto /usr/$(get_libdir)/misc
+	newexe "${FILESDIR}"/ac-wrapper-${PV}.sh ac-wrapper.sh
+
+	dodir /usr/bin
+	local x=
+	for x in auto{conf,header,m4te,reconf,scan,update} ifnames ; do
+		dosym ../$(get_libdir)/misc/ac-wrapper.sh /usr/bin/${x}
+	done
+}
diff --git a/sys-devel/autoconf-wrapper/files/ac-wrapper-15.sh b/sys-devel/autoconf-wrapper/files/ac-wrapper-15.sh
new file mode 100644
index 000000000000..e5eda0e53f18
--- /dev/null
+++ b/sys-devel/autoconf-wrapper/files/ac-wrapper-15.sh
@@ -0,0 +1,203 @@
+#!/bin/sh
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# Based on the ac-wrapper.pl script provided by MandrakeSoft
+# Rewritten in bash by Gregorio Guidi
+#
+# Executes the correct autoconf version.
+#
+# - defaults to newest version available (hopefully autoconf-2.60)
+# - runs autoconf 2.13 if:
+#   - envvar WANT_AUTOCONF is set to `2.1'
+#     -or-
+#   - `ac{local,include}.m4' or `configure.{in,ac}' have AC_PREREQ(2.1) (not higher)
+#     -or-
+#   - `configure' is already present and was generated by autoconf 2.13
+
+warn() { printf "ac-wrapper: $*\n" 1>&2; }
+err() { warn "$@"; exit 1; }
+unset IFS
+which() {
+	local p
+	IFS=: # we don't use IFS anywhere, so don't bother saving/restoring
+	for p in ${PATH} ; do
+		p="${p}/$1"
+		[ -e "${p}" ] && echo "${p}" && return 0
+	done
+	unset IFS
+	return 1
+}
+
+#
+# Sanitize argv[0] since it isn't always a full path #385201
+#
+argv0=${0##*/}
+case ${0} in
+	${argv0})
+		# find it in PATH
+		if ! full_argv0=$(which "${argv0}") ; then
+			err "could not locate ${argv0}; file a bug"
+		fi
+		;;
+	*)
+		# re-use full/relative paths
+		full_argv0=$0
+		;;
+esac
+
+if [ "${argv0}" = "ac-wrapper.sh" ] ; then
+	err "Don't call this script directly"
+fi
+
+if [ "${WANT_AUTOCONF}" = "2.1" ] && [ "${argv0}" = "autom4te" ] ; then
+	err "Autoconf 2.13 doesn't contain autom4te.\n" \
+	    "   Either unset WANT_AUTOCONF or don't execute anything\n" \
+	    "   that would use autom4te."
+fi
+
+if ! seq 0 0 2>/dev/null 1>&2 ; then #338518
+	seq() {
+		local f l i
+		case $# in
+			1) f=1 i=1 l=$1;;
+			2) f=$1 i=1 l=$2;;
+			3) f=$1 i=$2 l=$3;;
+		esac
+		while :; do
+			[ $l -lt $f -a $i -gt 0 ] && break
+			[ $f -lt $l -a $i -lt 0 ] && break
+			echo $f
+			: $(( f += i ))
+		done
+		return 0
+	}
+fi
+
+#
+# Set up bindings between actual version and WANT_AUTOCONF;
+# Start at last known unstable/stable versions to speed up lookup process.
+#
+if [ -z "${KNOWN_AUTOCONF}" ] ; then
+	KNOWN_AUTOCONF="2.71:2.5 2.70:2.5 2.69:2.5"
+fi
+vers="${KNOWN_AUTOCONF} 9999:2.5 $(printf '2.%s:2.5 ' `seq 99 -1 59`) 2.13:2.1"
+
+binary=""
+for v in ${vers} ; do
+	auto_ver=${v%:*}
+	if [ -z "${binary}" ] && [ -x "${full_argv0}-${auto_ver}" ] ; then
+		binary="${full_argv0}-${auto_ver}"
+		break
+	fi
+done
+if [ -z "${binary}" ] ; then
+	err "Unable to locate any usuable version of autoconf.\n" \
+	    "\tI tried these versions: ${vers}\n" \
+	    "\tWith a base name of '${full_argv0}'."
+fi
+
+#
+# Check the WANT_AUTOCONF setting.  We accept a whitespace delimited
+# list of autoconf versions.
+#
+if [ -n "${WANT_AUTOCONF}" ] ; then
+	for v in ${vers} x ; do
+		if [ "${v}" = "x" ] ; then
+			warn "warning: invalid WANT_AUTOCONF '${WANT_AUTOCONF}'; ignoring."
+			unset WANT_AUTOCONF
+			break
+		fi
+
+		auto_ver=${v%:*}
+		want_ver=${v#*:}
+		for wx in ${WANT_AUTOCONF} ; do
+			if [ -x "${full_argv0}-${wx}" ] ; then
+				binary="${full_argv0}-${wx}"
+				v="x"
+			elif [ "${wx}" = "${want_ver}" ] && [ -x "${full_argv0}-${auto_ver}" ] ; then
+				binary="${full_argv0}-${auto_ver}"
+				v="x"
+			fi
+		done
+		[ "${v}" = "x" ] && break
+	done
+fi
+
+#
+# autodetect helpers
+#
+acprereq_version() {
+	sed -n -r \
+		-e '/^\s*(#|dnl)/d' \
+		-e '/AC_PREREQ/s:.*AC_PREREQ\s*\(\[?\s*([0-9.]+)\s*\]?\):\1:p' \
+		"$@" |
+	LC_ALL=C sort -n -t . |
+	tail -1
+}
+
+generated_version() {
+	local re='^# Generated (by (GNU )?Autoconf|automatically using autoconf version) ([0-9.]+).*'
+	sed -n -r "/${re}/{s:${re}:\3:;p;q}" "$@"
+}
+
+#
+# autodetect routine
+#
+if [ "${WANT_AUTOCONF}" = "2.1" ] && [ -f "configure.ac" ] ; then
+	err "Since configure.ac is present, aclocal always use\n" \
+	    "\tautoconf 2.59+, which conflicts with your choice and\n" \
+	    "\tcauses error. You have two options:\n" \
+	    "\t1. Try execute command again after removing configure.ac\n" \
+	    "\t2. Don't set WANT_AUTOCONF"
+fi
+
+if [ "${WANT_AUTOCONF:-2.1}" = "2.1" ] && [ -n "${WANT_AUTOMAKE}" ] ; then
+	# Automake-1.7 and better require autoconf-2.5x so if WANT_AUTOMAKE
+	# is set to an older version, let's do some sanity checks.
+	case "${WANT_AUTOMAKE}" in
+	1.[456])
+		acfiles=$(ls aclocal.m4 acinclude.m4 configure.in configure.ac 2>/dev/null)
+		[ -n "${acfiles}" ] && confversion=$(acprereq_version ${acfiles})
+
+		[ -z "${confversion}" ] && [ -r "configure" ] \
+			&& confversion=$(generated_version configure)
+
+		if [ "${confversion}" = "2.1" ] && [ ! -f "configure.ac" ] ; then
+			binary="${full_argv0}-2.13"
+		fi
+	esac
+fi
+
+if [ -n "${WANT_ACWRAPPER_DEBUG}" ] ; then
+	if [ -n "${WANT_AUTOCONF}" ] ; then
+		warn "DEBUG: WANT_AUTOCONF is set to ${WANT_AUTOCONF}"
+	fi
+	warn "DEBUG: will execute <${binary}>"
+fi
+
+#
+# for further consistency
+#
+if [ -z "${WANT_AUTOCONF}" ] ; then
+	for v in ${vers} ; do
+		auto_ver=${v%:*}
+		want_ver=${v#*:}
+		if [ "${binary}" = "${full_argv0}-${auto_ver}" ] ; then
+			export WANT_AUTOCONF="${want_ver}"
+			break
+		fi
+	done
+fi
+
+#
+# Now try to run the binary
+#
+if [ ! -x "${binary}" ] ; then
+	# this shouldn't happen
+	err "${binary} is missing or not executable.\n" \
+	    "\tPlease try emerging the correct version of autoconf."
+fi
+
+exec "${binary}" "$@"
+# The shell will error out if `exec` failed.