sci-mathematics/polymake: new revision with a few fixes.

  * Build with perl-5.36. Thanks to Alessandro Barbieri for pointing out
    the Fedora patch.
  * Added a lower bound on sci-mathematics/normaliz (with USE=normaliz).
  * Fixed a missing sci-mathematics/flint dependency that Toralf caught.

Closes: https://bugs.gentoo.org/839255
Closes: https://bugs.gentoo.org/851693
Package-Manager: Portage-3.0.30, Repoman-3.0.3
Signed-off-by: Michael Orlitzky <mjo@gentoo.org>

2 files changed, 139 insertions, 0 deletions

diff --git a/sci-mathematics/polymake/files/polymake-4.6-perl-5.36.patch b/sci-mathematics/polymake/files/polymake-4.6-perl-5.36.patch
new file mode 100644
index 000000000000..4a9d349ccb9a
--- /dev/null
+++ b/sci-mathematics/polymake/files/polymake-4.6-perl-5.36.patch
@@ -0,0 +1,15 @@
+diff -up lib/core/src/perl/RefHash.xxs.orig lib/core/src/perl/RefHash.xxs
+--- a/lib/core/src/perl/RefHash.xxs	2022-06-06 10:35:17.689807548 +0200
++++ b/lib/core/src/perl/RefHash.xxs	2022-06-06 10:37:12.935663947 +0200
+@@ -71,7 +71,11 @@ SV* tmp_keysv::set(SV* keysv)
+    Copy(obj.keyp, HEK_KEY(hekp), sizeof(SV*), char);
+    HEK_LEN(hekp) = sizeof(SV*);
+    HEK_HASH(hekp) = U32(obj.keyl >> 4);          // hash value
++#if PerlVersion < 5360
+    HEK_FLAGS(hekp) = HVhek_UNSHARED;
++#else
++   HEK_FLAGS(hekp) = HVhek_NOTSHARED;
++#endif
+    sv.sv_any = &xpv;
+    sv.sv_refcnt = 1;
+    sv.sv_flags = SVt_PVIV | SVf_IVisUV | SVf_POK | SVp_POK | PmFlagsForHashKey;
diff --git a/sci-mathematics/polymake/polymake-4.6-r1.ebuild b/sci-mathematics/polymake/polymake-4.6-r1.ebuild
new file mode 100644
index 000000000000..446fedbda04a
--- /dev/null
+++ b/sci-mathematics/polymake/polymake-4.6-r1.ebuild
@@ -0,0 +1,124 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit flag-o-matic ninja-utils toolchain-funcs
+
+DESCRIPTION="Tool for polyhedral geometry and combinatorics"
+SRC_URI="https://polymake.org/lib/exe/fetch.php/download/${P}-minimal.tar.bz2"
+HOMEPAGE="https://polymake.org/"
+
+# polymake itself is GPL-2, but even the minimal tarball bundles a lot
+# of other code. I've included everything that turns up with a
+#
+#   find ./ -name 'LICENSE' -o -name 'COPYING'
+#
+# in the list below. If any of these bother you, you may want to take a
+# closer look at how (or even if) the corresponding code is being used.
+LICENSE="BSD GPL-2 GPL-2+ MIT WTFPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~riscv ~x86 ~amd64-linux ~x86-linux"
+IUSE="bliss +cdd +flint +normaliz libpolymake lrs nauty ppl singular"
+
+REQUIRED_USE="^^ ( bliss nauty )"
+
+# The "configure" script isn't autotools; it basically exists just to
+# exec some other perl script but using the familiar name.
+BDEPEND="dev-util/ninja
+	dev-lang/perl"
+
+DEPEND="
+	libpolymake? ( dev-lang/perl )
+	dev-libs/boost:=
+	dev-libs/gmp:=
+	dev-libs/libxml2:2=
+	dev-libs/libxslt:=
+	dev-libs/mpfr:=
+	sys-libs/readline:=
+	bliss? ( sci-libs/bliss:=[gmp] )
+	cdd? ( sci-libs/cddlib:= )
+	flint? ( sci-mathematics/flint:= )
+	lrs? ( >=sci-libs/lrslib-051:=[gmp] )
+	nauty? ( sci-mathematics/nauty:= )
+	normaliz? ( >=sci-mathematics/normaliz-3.8:= )
+	ppl? ( dev-libs/ppl:= )
+	singular? ( sci-mathematics/singular:= )"
+
+RDEPEND="${DEPEND}
+	dev-lang/perl
+	dev-perl/JSON
+	dev-perl/Term-ReadLine-Gnu
+	dev-perl/TermReadKey
+	dev-perl/XML-SAX
+	dev-perl/XML-Writer"
+
+# Tests observed failing after upgrade to polymake-4.5. No idea if they
+# worked prior to that. Someone who actually understands polymake will
+# have to get these working (at least briefly) before we re-enable them.
+RESTRICT=test
+
+PATCHES=( "${FILESDIR}/${P}-perl-5.36.patch" )
+
+src_configure() {
+	# Without this, the build system tries to use "the highest possible"
+	# optimization level and will override what's in your CXXFLAGS.
+	export CXXOPT=""
+
+	tc-export CC CXX
+
+	# We need to define BLISS_USE_GMP if bliss was built with gmp support.
+	# Therefore we require gmp support on bliss, so that the package
+	# manager can prevent rebuilds with changed gmp flag. Yes, this should
+	# be append-cppflags; but the build system doesn't respect CPPFLAGS.
+	use bliss && append-cxxflags -DBLISS_USE_GMP
+
+	# This isn't an autotools ./configure script, so a lot of things
+	# don't work the way you'd expect. We disable openmp unconditionally
+	# because it's only supposedly only used for building the bundled
+	# libnormaliz (we unbundle it) and for something called to_simplex
+	# that I can't find anywhere in the polymake source.
+	./configure --prefix="${EPREFIX}/usr" \
+		--libdir="${EPREFIX}/usr/$(get_libdir)" \
+		--libexecdir="${EPREFIX}/usr/$(get_libdir)/polymake" \
+		$(usev !libpolymake "--without-callable") \
+		--without-java \
+		--without-javaview \
+		--without-native \
+		--without-scip \
+		--without-soplex \
+		--without-openmp \
+		$(use_with bliss bliss "${EPREFIX}/usr") \
+		$(use_with cdd cdd "${EPREFIX}/usr") \
+		$(use_with flint flint "${EPREFIX}/usr") \
+		$(use_with lrs lrs "${EPREFIX}/usr") \
+		$(use_with nauty nauty "${EPREFIX}/usr") \
+		$(use_with normaliz libnormaliz "${EPREFIX}/usr") \
+		$(use_with ppl ppl "${EPREFIX}/usr") \
+		$(use_with singular singular "${EPREFIX}/usr") \
+		|| die
+}
+
+# There is a backwards-compatible Makefile that would call ninja for us
+# in src_compile/src_install, but it doesn't handle MAKEOPTS correctly.
+src_compile() {
+	eninja -C build/Opt
+}
+
+src_install() {
+	# DESTDIR needs to find its way into the real install script,
+	# support/install.pl.
+	export DESTDIR="${D}"
+	eninja -C build/Opt install
+}
+
+src_test() {
+	perl/polymake --script run_testcases --emacs-style \
+		|| die "test suite failed"
+}
+
+pkg_postinst() {
+	elog "Additional features for polymake are available through external"
+	elog "software such as sci-mathematics/4ti2 and sci-mathematics/topcom."
+	elog "After installing new external software run 'polymake --reconfigure'."
+}