[PR PATCH] singular: update to 4.3.1p2 (fix gcc 12 build)

[dkwo <dkwo@users.noreply.github.com>]

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There is a new pull request by dkwo against master on the void-packages repository

https://github.com/dkwo/void-packages singu
https://github.com/void-linux/void-packages/pull/39866

singular: update to 4.3.1p2 (fix gcc 12 build)
I tested the changes in this PR: built and checked on x86_64 using the gcc 12 PR.
(Even the non-musl version had the same failure with gcc 12.)
Had to use patchversion p2 otherwise it would still fail (with different errors).
@tornaria @leahneukirchen @Duncaen 

A patch file from https://github.com/void-linux/void-packages/pull/39866.patch is attached

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From 2169e5b2c08fa2fa21445f4ff791a28db4139e6b Mon Sep 17 00:00:00 2001
From: dkwo <nicolopiazzalunga@gmail.com>
Date: Mon, 10 Oct 2022 10:14:06 -0400
Subject: [PATCH] singular: update to 4.3.1p2 (fix gcc 12 build)

---
 srcpkgs/singular/template | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/srcpkgs/singular/template b/srcpkgs/singular/template
index f23659ef5d83..441a5ba56134 100644
--- a/srcpkgs/singular/template
+++ b/srcpkgs/singular/template
@@ -1,7 +1,10 @@
 # Template file for 'singular'
 pkgname=singular
-version=4.3.0
+_patchver=p2
+_majver=4.3.1
+version=${_majver}${_patchver}
 revision=1
+wrksrc=singular-${_majver}
 build_style=gnu-configure
 configure_args="--with-readline=ncurses
 	--enable-gfanlib
@@ -15,11 +18,11 @@ configure_args="--with-readline=ncurses
 hostmakedepends="perl tar doxygen"
 makedepends="flintlib-devel cddlib-devel readline-devel graphviz"
 short_desc="Computer algebra system for polynomial computations"
-maintainer="dkwo <nicolopiazzalunga@gmail.com>"
+maintainer="dkwo <npiazza@disroot.org>"
 license="GPL-2.0-or-later"
 homepage="https://www.singular.uni-kl.de"
-distfiles="https://www.singular.uni-kl.de/ftp/pub/Math/Singular/SOURCES/${version//./-}/singular-${version}.tar.gz"
-checksum=74f38288203720e3f280256f2f8deb94030dd032b4237d844652aff0faab36e7
+distfiles="https://www.singular.uni-kl.de/ftp/pub/Math/Singular/SOURCES/${_majver//./-}/singular-${version}.tar.gz"
+checksum=95814bba0f0bd0290cd9799ec1d2ecc6f4c8a4e6429d9a02eb7f9c4e5649682a
 
 if [ -z "$CROSS_BUILD" ]; then
 	makedepends+=" ntl-devel"