From c207cf42597a634fa98c2f8d2e10bbea9937ed5b Mon Sep 17 00:00:00 2001
From: dkwo <nicolopiazzalunga@gmail.com>
Date: Fri, 3 Sep 2021 17:57:26 +0200
Subject: [PATCH 1/2] New package: cddlib

---
 common/shlibs           |  2 ++
 srcpkgs/cddlib/template | 12 ++++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 srcpkgs/cddlib/template

diff --git a/common/shlibs b/common/shlibs
index 87c27c459aad..00e40260fc2c 100644
--- a/common/shlibs
+++ b/common/shlibs
@@ -55,6 +55,8 @@ libcc1.so.0 gcc-6.2.1_1
 libcc1plugin.so.0 gcc-6.2.1_1
 libitm.so.1 libitm-4.7.3_1
 liblto_plugin.so.0 gcc-4.7.3_1
+libcddgmp.so.0 cddlib-0.94m_1
+libcdd.so.0 cddlib-0.94m_1
 libgcc_s.so.1 libgcc-4.4.0_1
 libgo.so.16 libgo-10.2.0_1
 libperl.so.5.34 perl-5.34.0_1
diff --git a/srcpkgs/cddlib/template b/srcpkgs/cddlib/template
new file mode 100644
index 000000000000..37759cf0361c
--- /dev/null
+++ b/srcpkgs/cddlib/template
@@ -0,0 +1,12 @@
+# Template file for 'cddlib'
+pkgname=cddlib
+version=0.94m
+revision=1
+build_style=gnu-configure
+hostmakedepends="gmp-devel"
+short_desc="Efficient implementation of the Double Description Method"
+maintainer="dkwo <nicolopiazzalunga@gmail.com>"
+license="GPL-2.0-or-later"
+homepage="https://github.com/cddlib/cddlib"
+distfiles="https://github.com/cddlib/cddlib/releases/download/${version}/cddlib-${version}.tar.gz"
+checksum=70dffdb3369b8704dc75428a1b3c42ab9047b81ce039f12f427e2eb2b1b0dee2

From 08d7a9900fb1a8d5c2995a167bee929546def11d Mon Sep 17 00:00:00 2001
From: dkwo <nicolopiazzalunga@gmail.com>
Date: Fri, 3 Sep 2021 18:02:11 +0200
Subject: [PATCH 2/2] New package: singular

---
 common/shlibs             |  5 +++++
 srcpkgs/singular/template | 15 +++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 srcpkgs/singular/template

diff --git a/common/shlibs b/common/shlibs
index 00e40260fc2c..1aa0344fe4e9 100644
--- a/common/shlibs
+++ b/common/shlibs
@@ -65,6 +65,11 @@ libgmpxx.so.4 gmpxx-6.0.0_2
 libmpfr.so.6 mpfr-4.0.0_1
 libppl.so.14 ppl-1.2_1
 libppl_c.so.4 ppl-0.11_1
+libSingular-4.2.1.so singular-4.2.1_1
+libpolys-4.2.1.so singular-4.2.1_1
+libfactory-4.2.1.so singular-4.2.1_1
+libomalloc-0.9.6.so singular-4.2.1_1
+libsingular_resources-4.2.1.so singular-4.2.1_1
 libstdc++.so.6 libstdc++-4.4.0_1
 libssp.so.0 libssp-4.4.0_1
 libncurses.so.6 ncurses-libs-6.0_1 ignore
diff --git a/srcpkgs/singular/template b/srcpkgs/singular/template
new file mode 100644
index 000000000000..9cb32a1893fb
--- /dev/null
+++ b/srcpkgs/singular/template
@@ -0,0 +1,15 @@
+# Template file for 'singular'
+pkgname=singular
+version=4.2.1
+revision=1
+build_style=gnu-configure
+configure_args="--with-readline=ncurses --enable-bigintm-module --enable-Order-module
+ --enable-python-module --enable-gfanlib-module --enable-polymake-module"
+hostmakedepends="perl tar"
+makedepends="flintlib-devel ntl-devel cddlib readline-devel doxygen graphviz"
+short_desc="Computer algebra system for polynomial computations"
+maintainer="dkwo <nicolopiazzalunga@gmail.com>"
+license="GPL-2.0-or-later"
+homepage="https://www.singular.uni-kl.de"
+distfiles="https://service.mathematik.uni-kl.de/ftp/pub/Math/Singular/src/${version//./-}/singular-${version}.tar.gz"
+checksum=28a56df84f85b116e0068ffecf92fbe08fc27bd4c5ba902997f1a367db0bfe8d