From c88b8c58ea8d10b03cbd48bf1eb75923862adfa5 Mon Sep 17 00:00:00 2001
From: Igor Pashev <pashev.igor@gmail.com>
Date: Wed, 4 May 2011 23:12:15 +0400
Subject: Used EAPI=4; Improved Lisp selection

---
 sci-mathematics/open-axiom/Manifest               |  2 +-
 sci-mathematics/open-axiom/open-axiom-9999.ebuild | 59 +++++++----------------
 2 files changed, 18 insertions(+), 43 deletions(-)

diff --git a/sci-mathematics/open-axiom/Manifest b/sci-mathematics/open-axiom/Manifest
index 07cbf26..eb816be 100644
--- a/sci-mathematics/open-axiom/Manifest
+++ b/sci-mathematics/open-axiom/Manifest
@@ -1,3 +1,3 @@
 AUX open-axiom.png 59273 RMD160 6e5ada74de8fcac8f939320b68e1b8cbf554dbc5 SHA1 037aac8d6f21ce84615a8b48cec7f10fbe639749 SHA256 2c69fbf1f9c22bf2231c1d0d4caf750e957a7b2bd139185c70df27ffbd322e85
 AUX open-axiom.xcf 188198 RMD160 d1ca7e7b3115caca158d2af28f7002560984e123 SHA1 810f5a639529972c2b321ab15c4d48a0dd5f71ad SHA256 53f5efeab237754b8526e8bcd5c2c2ef2def0773cd2cab1976fd9a60a4fe6f3d
-EBUILD open-axiom-9999.ebuild 2184 RMD160 7c032fc752e7e7c38911596813706dc349d0779f SHA1 021a7294e9f72228c8d620c384990a9e772e7972 SHA256 d015247c51e2646dfbb8e99b341b813a77d828a89d37f02dcc63391dca9fa844
+EBUILD open-axiom-9999.ebuild 1611 RMD160 f49882bf9602f9ebc6277ea2b64275e2623f1be6 SHA1 e453ed33c55bae4e5fa4ebe19aca8d172236cf98 SHA256 61ec94dd98cccf9b7e66ff2993de161be72363ebe9f27fa625fd5fcee42b3f1f
diff --git a/sci-mathematics/open-axiom/open-axiom-9999.ebuild b/sci-mathematics/open-axiom/open-axiom-9999.ebuild
index 58e5ef9..d1728d5 100644
--- a/sci-mathematics/open-axiom/open-axiom-9999.ebuild
+++ b/sci-mathematics/open-axiom/open-axiom-9999.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI=2
+EAPI=4
 inherit eutils autotools subversion
 
 DESCRIPTION="The open computer algebra system (Axiom fork)"
@@ -14,15 +14,11 @@ SRC_URI=""
 LICENSE="BSD"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
-LISPS=( sbcl clisp gcl ecls clozurecl )
-CONF=(   .     .    .  ecl     ccl    )
+LISPS='sbcl clisp gcl ecls clozurecl'
+REQUIRED_USE="^^ ( $LISPS )"
 
 # The first lisp is default
-IUSE="X threads +${LISPS[0]}"
-n=${#LISPS[*]}
-for ((i=1; i < n; i++)); do
-	IUSE="$IUSE -${LISPS[$i]}"
-done
+IUSE="X threads +$LISPS"
 
 
 
@@ -41,48 +37,27 @@ gcl?       ( || ( =dev-lisp/gcl-2.6.7 =dev-lisp/gcl-2.6.8 ) )
 ecls?      ( >=dev-lisp/ecls-0.9l  )
 clozurecl? ( >=dev-lisp/clozurecl-1.3 )"
 
-choose_lisp() {
-	if [ ${CONF[$1]} != '.' ]; then
-		echo ${CONF[$1]}
-	else
-		echo ${LISPS[$1]}
-	fi
-}
-
-pkg_setup() {
-	local l n i
-	LISP=''
-	n=${#LISPS[*]}
-	for ((i=0; i < n; i++)); do
-		if use ${LISPS[$i]}; then
-			if [ -z "$LISP" ]; then
-				l=${LISPS[$i]}
-				LISP=$(choose_lisp $i)
-			else
-				ewarn "Only one lisp can be used and it will be $l."
-				ewarn "Check your USE flags."
-				epause 5
-			fi
-		fi
-	done
-	if [ -z "$LISP" ]; then
-		LISP=$(choose_lisp 0)
-		ewarn "No lisp platform specified."
-		ewarn "Chosing ${LISPS[0]} as default."
-		ewarn "Building OpenAxiom may fail due to loosing dependecies."
-		epause 5
-	fi
-}
 
 src_prepare() {
 	eautoreconf
 }
 
 src_configure() {
+	local l, lisp;
+	for l in $LISPS; do
+		use $l && break;
+	done
+
+	case $l in
+		clozurecl) lisp=ccl;;
+		ecls)      lisp=ecl;;
+		*)         lisp=$l;;
+	esac
+
 	econf \
 		$(use_with X x) \
-		$(use_enable gcl gcl) \
-		--with-lisp=$LISP \
+		--disable-gcl \
+		--with-lisp=$lisp \
 		$(use_enable threads threads) \
 		|| die "econf failed"
 }
-- 
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