From: Anthony G. Basile <blueness@gentoo.org>
Date: Tue, 26 Dec 2017 19:24:33 +0000 (-0500)
Subject: dev-libs/mpfr: add preserve_old_lib, bug #642316
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=02da1bfffe30537bf7fe7680fc628acc9d6ec289;p=gentoo.git

dev-libs/mpfr: add preserve_old_lib, bug #642316

For people that have FEATURES=-preserve-libs, we don't want the toolchain
to break as the so name is bumped from libmpfr.so.4 to libmpfr.so.6.

Package-Manager: Portage-2.3.13, Repoman-2.3.3
---

diff --git a/dev-libs/mpfr/mpfr-4.0.0.ebuild b/dev-libs/mpfr/mpfr-4.0.0-r1.ebuild
similarity index 90%
rename from dev-libs/mpfr/mpfr-4.0.0.ebuild
rename to dev-libs/mpfr/mpfr-4.0.0-r1.ebuild
index d74928dff902..fa5e936f4991 100644
--- a/dev-libs/mpfr/mpfr-4.0.0.ebuild
+++ b/dev-libs/mpfr/mpfr-4.0.0-r1.ebuild
@@ -50,3 +50,11 @@ multilib_src_install_all() {
 	rm "${ED}"/usr/share/doc/"${P}"/COPYING*
 	use static-libs || find "${ED}"/usr -name '*.la' -delete
 }
+
+pkg_preinst() {
+	preserve_old_lib /usr/$(get_libdir)/libmpfr$(get_libname 4)
+}
+
+pkg_postinst() {
+	preserve_old_lib_notify /usr/$(get_libdir)/libmpfr$(get_libname 4)
+}