sci-mathematics/pari: add 2.15.2

Closes: https://github.com/gentoo/gentoo/pull/29112
Signed-off-by: Michael Orlitzky <mjo@gentoo.org>
Signed-off-by: François Bissey <frp.bissey@gmail.com>

3 files changed, 150 insertions, 0 deletions

diff --git a/sci-mathematics/pari/Manifest b/sci-mathematics/pari/Manifest
index df9fca51a90a..d9cc0ed7c828 100644
--- a/sci-mathematics/pari/Manifest
+++ b/sci-mathematics/pari/Manifest
@@ -1,2 +1,3 @@
 DIST pari-2.13.4.tar.gz 4772735 BLAKE2B 5a3eebd380f1e47f38746b03ddde9a715ed74e7e8e4ed30ef8f2d62cf7289694b800fc8396557150ce9d79245c244fb56cecddac867c6057b438da4df68505e6 SHA512 0eb8c0100d76fb8f29fd29e6a49e9534b9a4d90e1869820dbfddd57fe444f0e83909947331823157a67be31f71a5d26fa1224f72ce3f9e5197db0194c417b9b9
 DIST pari-2.15.1.tar.gz 5175706 BLAKE2B abc04a8bd75f756ad62937941c3b88f910bf57d58e7c4eda20649292ce5ba390688abe463d27cb22af0aee0249967e67a6f929beb9ef328d00d05648af5bf72e SHA512 8f536c1cabff3a082f67febd00240506eef5288c7e85c97d23018e8cdd01109dfb8ebe2fa71dc0e929c55ca00f31349fd145030689c988289201de2ddbcf0a5c
+DIST pari-2.15.2.tar.gz 5176694 BLAKE2B b3aa021cb0b786dfde691b150d38c0ee9e9844ff5d2554d7a4f0cd85b27c8077696433b14c0b2128930b7db2191e7db99bdebc200e03607554cc4a9394ea42a4 SHA512 fa9e8713484ab5d659dcf7cf65de0fbaf28334969f443bfaffb8fc19c2305631435fc5635e090cbd8033758ea18200a62c47e8434067af9a86565832e96d489c
diff --git a/sci-mathematics/pari/files/pari-2.15.2-ellsea.patch b/sci-mathematics/pari/files/pari-2.15.2-ellsea.patch
new file mode 100644
index 000000000000..a5c19504ea87
--- /dev/null
+++ b/sci-mathematics/pari/files/pari-2.15.2-ellsea.patch
@@ -0,0 +1,22 @@
+# upstream bug https://pari.math.u-bordeaux.fr/cgi-bin/bugreport.cgi?bug=2441
+# will be fixed in 2.15.3
+diff --git a/src/basemath/ellsea.c b/src/basemath/ellsea.c
+index a6871fa6a7..f1e725ea55 100644
+--- a/src/basemath/ellsea.c
++++ b/src/basemath/ellsea.c
+@@ -1303,6 +1303,7 @@ find_trace_Elkies_power(GEN a4, GEN a6, ulong ell, long *pt_k, struct meqn *MEQN
+   lambda = tr ? find_eigen_value_oneroot(a4, a6, ell, tr, kpoly, T, p):
+                 find_eigen_value_power(a4, a6, ell, 1, 1, kpoly, T, p);
+   if (DEBUGLEVEL>1) err_printf(" [%ld ms]", timer_delay(ti));
++  if (lambda==ell) return NULL;
+   if (smallfact && smallfact%(long)ell!=0)
+   {
+     ulong pell = pellk%ell;
+@@ -1317,6 +1318,7 @@ find_trace_Elkies_power(GEN a4, GEN a6, ulong ell, long *pt_k, struct meqn *MEQN
+     if (!tmp) { k = cnt-1; break; }
+     if (DEBUGLEVEL) err_printf(", %Ps", powuu(ell, cnt));
+     lambda = find_eigen_value_power(a4, a6, ell, cnt, lambda, gel(tmp,3), T, p);
++    if (lambda == upowuu(ell, cnt)) { k = cnt-1; break; }
+     Eba4 = Eca4;
+     Eba6 = Eca6;
+     Eca4 = gel(tmp,1);
diff --git a/sci-mathematics/pari/pari-2.15.2.ebuild b/sci-mathematics/pari/pari-2.15.2.ebuild
new file mode 100644
index 000000000000..e677ee6a41a1
--- /dev/null
+++ b/sci-mathematics/pari/pari-2.15.2.ebuild
@@ -0,0 +1,127 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit flag-o-matic toolchain-funcs
+
+DESCRIPTION="Computer-aided number theory C library and tools"
+HOMEPAGE="https://pari.math.u-bordeaux.fr/"
+SRC_URI="https://pari.math.u-bordeaux.fr/pub/${PN}/unix/${P}.tar.gz"
+
+LICENSE="GPL-2"
+
+# The subslot is the value of $soname_num obtained from
+# upstream's config/version script.
+SLOT="0/8"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="data doc fltk gmp test threads X"
+RESTRICT="!test? ( test )"
+
+BDEPEND="
+	virtual/pkgconfig
+	doc? ( virtual/latex-base )
+"
+DEPEND="
+	sys-libs/readline:0=
+	data? ( sci-mathematics/pari-data )
+	doc? ( X? ( x11-misc/xdg-utils ) )
+	fltk? ( x11-libs/fltk:1= )
+	gmp? ( dev-libs/gmp:0= )
+	X? ( x11-libs/libX11:0= )"
+RDEPEND="${DEPEND}"
+
+PATCHES=(
+	"${FILESDIR}/${PN}"-2.9.4-strip.patch
+	"${FILESDIR}/${PN}"-2.9.4-ppc.patch
+	"${FILESDIR}/${PN}"-2.11.2-no-automagic.patch
+	"${FILESDIR}/${PN}"-2.9.4-fltk-detection.patch
+	"${FILESDIR}/${PN}"-2.11.2-Makefile-LDFLAGS.patch
+	"${FILESDIR}/${PN}"-2.11.2-Makefile-docinstall.patch
+	"${FILESDIR}/${PN}"-2.15.2-ellsea.patch
+)
+
+src_prepare() {
+	default
+
+	# move doc dir to a gentoo doc dir and replace acroread by xdg-open
+	sed -i \
+		-e "s:\$d = \$0:\$d = '${EPREFIX}/usr/share/doc/${PF}':" \
+		-e 's:"acroread":"xdg-open":' \
+		doc/gphelp.in || die "Failed to fix doc dir"
+
+	# These tests fail when LaTeX is not installed (which we don't
+	# require without USE=doc), most likely due to output formatting
+	# issues but I haven't deleted my LaTeX installation to check.
+	# There's no real upstream support for enabling/disabling the LaTeX
+	# docs, so this is probably the correctest way to skip these tests.
+	if ! use doc; then
+		rm src/test/{in,32}/help || die
+	fi
+}
+
+src_configure() {
+	tc-export CC CXX PKG_CONFIG
+
+	# Workaraound to "asm operand has impossible constraints" as
+	# suggested in bug #499996.
+	use x86 && append-cflags $(test-flags-CC -fno-stack-check)
+
+	# need to force optimization here, as it breaks without
+	if is-flag -O0; then
+		replace-flags -O0 -O2
+	elif ! is-flag -O?; then
+		append-flags -O2
+	fi
+
+	# sysdatadir installs a pari.cfg stuff which is informative only.
+	# It is supposed to be for "architecture-dependent" data.  It needs
+	# to be easily discoverable for downstream packages such as gp2c.
+	# We set LD="" and DLLD="$CC" so that the "shared library linker"
+	# always gets set to the value of the compiler used. Pari's build
+	# system does not cope very well with a naked linker, it is
+	# expecting a compiler driver. See bugs 722090 and 871117.
+	LD="" DLLD="$(tc-getCC)" ./Configure \
+		--prefix="${EPREFIX}"/usr \
+		--datadir="${EPREFIX}/usr/share/${PN}" \
+		--libdir="${EPREFIX}/usr/$(get_libdir)" \
+		--sysdatadir="${EPREFIX}"/usr/share/pari \
+		--mandir="${EPREFIX}"/usr/share/man/man1 \
+		--with-readline="${EPREFIX}"/usr \
+		--with-readline-lib="${EPREFIX}/usr/$(get_libdir)" \
+		--with-ncurses-lib="${EPREFIX}/usr/$(get_libdir)" \
+		$(use_with fltk) \
+		$(use_with gmp) \
+		--without-qt \
+		$(usex threads "--mt=pthread" "" "" "") \
+		|| die "./Configure failed"
+}
+
+src_compile() {
+	emake gp
+
+	if use doc; then
+		# To prevent sandbox violations by metafont
+		VARTEXFONTS="${T}/fonts" emake docpdf
+	fi
+}
+
+src_test() {
+	# Welcome to the jungle, where the tests fail if you make your
+	# terminal bigger.
+	emake COLUMNS=80 test-all
+}
+
+src_install() {
+	DOCS=( AUTHORS CHANGES* COMPAT NEW README* )
+	default
+
+	if use doc; then
+		docompress -x "/usr/share/doc/${PF}"
+		emake \
+			DESTDIR="${D}" \
+			EXDIR="${ED}/usr/share/doc/${PF}/examples" \
+			DOCDIR="${ED}/usr/share/doc/${PF}" \
+			install-doc
+	fi
+}