[sci-mathematics/sage] Warning for ATLAS users

(Portage version: 2.1.10.7/git/Linux x86_64, unsigned Manifest commit)

sci-mathematics/sage/ChangeLog

@@ -2,6 +2,10 @@
 # Copyright 1999-2011 Gentoo Foundation; Distributed under the GPL v2
 # $Header: $
 
+  25 Jul 2011; Christopher Schwan <[email protected]>
+  sage-4.7-r2.ebuild, sage-4.7.1_rc0.ebuild:
+  Added warning discouraging the use of ATLAS
+
   22 Jul 2011; François Bissey <[email protected]>
   sage-4.7-r2.ebuild, sage-4.7.1_rc0.ebuild:
   removing guava dep- hasn been required upstream for a while.

sci-mathematics/sage/Manifest

@@ -33,7 +33,7 @@ AUX trac_9958-mixedfix.patch 2113 RMD160 417360a7f6e59de463bde8665b24b098713bb24
 AUX trac_9958-sage_unittest.patch 2336 RMD160 98d99e81cab490ad332d1f3678fd377a844838d0 SHA1 4c5e7ac84eac9f8e4ce6bfd24f278fcfebe30efc SHA256 24f40dabcbaab1568ee71591deb1f10bf88a20e1b6728b0fa7246831b3706b25
 DIST sage-4.7.1_rc0.tar.bz2 54241427 RMD160 d45a8cd081753d752b16eddbb72b38454b492313 SHA1 77ab669c60f7fa3daa75b22840ef16cd20825617 SHA256 289fc795938a24a876a04d9d5366a31277c998a46ae6726d1facf96bdef33994
 DIST sage-4.7.tar.bz2 53031153 RMD160 4df497885879d1f4ed3b01e1000bebdfb2c56610 SHA1 665d3f41f6c7a3798d90a8edf70f22a5f54f4ab0 SHA256 a1d793787695e094126a3ae1d275b61bc51707567dc574fb1888426855f015d7
-EBUILD sage-4.7-r2.ebuild 15138 RMD160 6eb536e82cac552ddafd7e6bbafe4173e125d131 SHA1 ec44dd2de929119f95b4724433815881b54e3ad7 SHA256 4ad025da8a1915cd06f9bc856f9f67b408c8acf8297e420b1bb443ac11025c40
-EBUILD sage-4.7.1_rc0.ebuild 14066 RMD160 d26991ea970a905de09767f4b80226c4a349519b SHA1 ab8748f795c9d078a4e2df3cab38b2597c038527 SHA256 aa5930453583229dfe4dffd73b5a8e904a806e76df7cf8939c0db6e9a6b12980
-MISC ChangeLog 61125 RMD160 c01b91d54bd63d300c111439c5825c6063fcb1e1 SHA1 f8ec61588606b7163acaf3948f6fa04a3ba0a929 SHA256 73941c209fc6a69d7fdfaee48f09445c1edd15351b8caa938137693d0a2fd815
+EBUILD sage-4.7-r2.ebuild 15607 RMD160 a9a332524984882571c01ac536a68d8958a0dfb5 SHA1 db7db899acb24dc853ff6bcbb17094fec800c77b SHA256 6e623ecf63c2b1327841111bd90f60a51792ac3812be129691aba1a873fd93d7
+EBUILD sage-4.7.1_rc0.ebuild 14535 RMD160 fe2c64c0378575b5072c7abe3f7310b8c7c77026 SHA1 da07c177fef109f178eef4d17fdfe8bf4a37ba07 SHA256 d1c687ea984613d16f69e41712810eef7309bd23f968d2394d62bb9984520d83
+MISC ChangeLog 61283 RMD160 f603051c809b37a6a6e852f2da74717225d947ac SHA1 a2d55b5eb4a59cf7da27bf136362e53373b04449 SHA256 651cd4db34cf8e33de00ebccc14d16166c2d8a3597cb4674ba1bee8272bd3e3e
 MISC metadata.xml 482 RMD160 8c16a2194400839c12c9813cf539a09741b571b3 SHA1 c1decbf24b6cd014b1f5916c4754c93db25e36ff SHA256 cea02ccffcb65392d93e0bd322b0ee7423fbbfd47738236d75dbcf2aaee77cd2

sci-mathematics/sage/sage-4.7-r2.ebuild

@@ -112,6 +112,17 @@ RDEPEND="${CDEPEND}
 S="${WORKDIR}/${MY_P}"
 
 pkg_setup() {
+	# TODO: put the following check into pkg_pretend once we may use EAPI 4 with
+	# the python eclass
+	if ( eselect blas show ; eselect lapack show ) | grep -q "atlas" ; then
+
+	ewarn "You are about to compile Sage with ATLAS blas/lapack libraries. We"
+	ewarn "discourage the use of atlas because of several small problems seen"
+	ewarn "with version 3.9.23 in Sage's doctests. This is probably not a"
+	ewarn "problem for everyday use of Sage but we have warned you!"
+
+	fi
+
 	# Sage now will only works with python 2.7.*
 	python_set_active_version 2.7
 	python_pkg_setup

sci-mathematics/sage/sage-4.7.1_rc0.ebuild

@@ -112,6 +112,17 @@ RDEPEND="${CDEPEND}
 S="${WORKDIR}/${MY_P}"
 
 pkg_setup() {
+	# TODO: put the following check into pkg_pretend once we may use EAPI 4 with
+	# the python eclass
+	if ( eselect blas show ; eselect lapack show ) | grep -q "atlas" ; then
+
+	ewarn "You are about to compile Sage with ATLAS blas/lapack libraries. We"
+	ewarn "discourage the use of atlas because of several small problems seen"
+	ewarn "with version 3.9.23 in Sage's doctests. This is probably not a"
+	ewarn "problem for everyday use of Sage but we have warned you!"
+
+	fi
+
 	# Sage now will only works with python 2.7.*
 	python_set_active_version 2.7
 	python_pkg_setup