sci-mathematics/pari: fix building with USE=fltk

Suggested-by: François Bissey <frp.bissey@gmail.com>
Closes: https://bugs.gentoo.org/646942
Package-Manager: Portage-2.3.19, Repoman-2.3.6

2 files changed, 148 insertions, 0 deletions

diff --git a/sci-mathematics/pari/files/pari-2.9.4-fltk-detection.patch b/sci-mathematics/pari/files/pari-2.9.4-fltk-detection.patch
new file mode 100644
index 000000000000..26e146e032a6
--- /dev/null
+++ b/sci-mathematics/pari/files/pari-2.9.4-fltk-detection.patch
@@ -0,0 +1,22 @@
+diff --git a/config/get_fltk b/config/get_fltk
+index 87d0c1d..22f5bd8 100644
+--- a/config/get_fltk
++++ b/config/get_fltk
+@@ -2,13 +2,16 @@ if test -z "$with_fltk"; then
+   with_fltk=yes
+ fi
+ 
++cmd="FLTK_CXXFLAGS=\`fltk-config --cxxflags\`"
++. log_cmd
++
+ cmd="FLTK_LIBS=\`fltk-config --ldflags\`"
+ . log_cmd
+ 
+ exe=$osname-$arch-fltk$$$exe_suff
+ cxx=$CXX
+ if test -z "$cxx"; then cxx=g++; fi;
+-cmd="$cxx $CFLAGS $FLTK_LIBS -o $exe has_fltk.c"
++cmd="$cxx $CFLAGS $FLTK_CXXFLAGS $FLTK_LIBS -o $exe has_fltk.c"
+ . log_cmd
+ if test -r "$exe"; then
+   echo "Using FLTK library"
diff --git a/sci-mathematics/pari/pari-2.9.4-r1.ebuild b/sci-mathematics/pari/pari-2.9.4-r1.ebuild
new file mode 100644
index 000000000000..ce071489ded2
--- /dev/null
+++ b/sci-mathematics/pari/pari-2.9.4-r1.ebuild
@@ -0,0 +1,126 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit eutils flag-o-matic toolchain-funcs multilib
+
+DESCRIPTION="Computer-aided number theory C library and tools"
+HOMEPAGE="http://pari.math.u-bordeaux.fr/"
+LICENSE="GPL-2"
+SLOT="0/5"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~mips ~ppc ~ppc64 ~sparc ~x86 ~x86-fbsd ~amd64-linux ~x86-linux ~x86-macos ~x86-solaris"
+IUSE="data doc fltk gmp X"
+SRC_URI="http://pari.math.u-bordeaux.fr/pub/${PN}/unix/${P}.tar.gz"
+
+RDEPEND="
+	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= )"
+DEPEND="${RDEPEND}
+	doc? ( virtual/latex-base )"
+
+get_compile_dir() {
+	pushd "${S}/config" > /dev/null
+	local fastread=yes
+	source ./get_archos
+	popd > /dev/null
+	echo "O${osname}-${arch}"
+}
+
+PATCHES=( "${FILESDIR}"/${P}-strip.patch
+		"${FILESDIR}"/${P}-ppc.patch
+		"${FILESDIR}"/${P}-no-automagic.patch
+		"${FILESDIR}"/${P}-fltk-detection.patch
+		)
+
+src_prepare() {
+	default
+
+	# disable default building of docs during install
+	sed -i \
+		-e "s:install-doc install-examples:install-examples:" \
+		config/Makefile.SH || die "Failed to fix makefile"
+
+	# propagate ldflags
+	sed -i \
+		-e 's/$shared $extra/$shared $extra \\$(LDFLAGS)/' \
+		config/get_dlld || die "failed to fix LDFLAGS"
+	# 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"
+}
+
+src_configure() {
+	tc-export CC
+	export CPLUSPLUS=$(tc-getCXX)
+
+	# need to force optimization here, as it breaks without
+	if is-flag -O0; then
+		replace-flags -O0 -O2
+	elif ! is-flag -O?; then
+		append-flags -O2
+	fi
+
+	# sysdatadir installs a pari.cfg stuff which is informative only
+	./Configure \
+		--prefix="${EPREFIX}"/usr \
+		--datadir="${EPREFIX}"/usr/share/${PN} \
+		--libdir="${EPREFIX}"/usr/$(get_libdir) \
+		--sysdatadir="${EPREFIX}"/usr/share/doc/${PF} \
+		--mandir="${EPREFIX}"/usr/share/man/man1 \
+		--with-readline="${EPREFIX}"/usr \
+		--with-ncurses-lib="${EPREFIX}"/usr/$(get_libdir) \
+		$(use_with fltk) \
+		$(use_with gmp) \
+		--without-qt \
+		|| die "./Configure failed"
+}
+
+src_compile() {
+	use hppa && \
+		mymake=DLLD\="${EPREFIX}"/usr/bin/gcc\ DLLDFLAGS\=-shared\ -Wl,-soname=\$\(LIBPARI_SONAME\)\ -lm
+
+	mycxxmake=LD\=$(tc-getCXX)
+
+	local installdir=$(get_compile_dir)
+	cd "${installdir}" || die "failed to change directory"
+	# upstream set -fno-strict-aliasing.
+	# aliasing is a known issue on amd64, work on x86 by sheer luck
+	emake ${mymake} \
+		CFLAGS="${CFLAGS} -fno-strict-aliasing -DGCC_INLINE -fPIC" lib-dyn
+	emake ${mymake} ${mycxxmake} \
+		CFLAGS="${CFLAGS} -DGCC_INLINE" gp ../gp
+
+	if use doc; then
+		pushd "${S}" > /dev/null || die "failed to change directory"
+		VARTEXFONTS="${T}"/fonts emake -j1 docpdf
+		popd > /dev/null || die
+	fi
+}
+
+src_test() {
+	emake dobench
+}
+
+src_install() {
+	emake ${mymake} ${mycxxmake} DESTDIR="${D}" install
+	dodoc MACHINES COMPAT
+	if use doc; then
+		# install gphelp and the pdf documentations manually.
+		# the install-doc target is overkill.
+		dodoc doc/*.pdf
+		dobin doc/gphelp
+		insinto /usr/share/doc/${PF}
+		# gphelp looks for some of the tex sources...
+		doins doc/*.tex doc/translations
+		# Install the examples - for real.
+		emake EXDIR="${ED}/usr/share/doc/${PF}/examples" \
+			-C $(get_compile_dir) install-examples
+	fi
+}