sci-libs/cantera: New package

This commit add new package 'sci-libs/cantera' of version 2.4.0
(cantera-2.4.0.ebuild):

Description:
Cantera is an open-source suite of object-oriented software tools
for problems involving chemical kinetics, thermodynamics,
and/or transport processes.

Homepage and documentation: http://cantera.org
GitHub page: https://github.com/Cantera/cantera

Closes: https://bugs.gentoo.org/200425

Signed-off-by: Sergey Torokhov <torokhov_s_a@mail.ru>
Signed-off-by: Michał Górny <mgorny@gentoo.org>

4 files changed, 180 insertions, 0 deletions

diff --git a/sci-libs/cantera/Manifest b/sci-libs/cantera/Manifest
new file mode 100644
index 000000000000..a4660bf3bfdd
--- /dev/null
+++ b/sci-libs/cantera/Manifest
@@ -0,0 +1 @@
+DIST cantera-2.4.0.tar.gz 2321316 BLAKE2B 40750e3864afa3d35817e6f5777a6ac235261e9d134ef749966dbd738a2af5efec2882e6dcc719851f88656b41469e2159d3bff3df32f6abdf57db3b0a2afcae SHA512 8bb0fee34fa5bc9ec78e6f21a100eaa77bdd966bd0b7f0fa27d452e4f122c69e61648beef847178490f5c5d56267a96f6081cac9ccd03cea153c32814e0e84e9
diff --git a/sci-libs/cantera/cantera-2.4.0.ebuild b/sci-libs/cantera/cantera-2.4.0.ebuild
new file mode 100644
index 000000000000..3b43b50033f9
--- /dev/null
+++ b/sci-libs/cantera/cantera-2.4.0.ebuild
@@ -0,0 +1,129 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python3_{4,5,6} )
+
+FORTRAN_NEEDED=fortran
+FORTRAN_STANDARD=90
+
+inherit desktop fortran-2 python-single-r1 scons-utils toolchain-funcs
+
+DESCRIPTION="Object-oriented tool suite for chemical kinetics, thermodynamics, and transport"
+HOMEPAGE="http://www.cantera.org"
+SRC_URI="https://github.com/Cantera/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="+cti fortran pch +python test"
+
+REQUIRED_USE="
+	cti? ( ${PYTHON_REQUIRED_USE} )
+	python? ( cti )
+	${PYTHON_REQUIRED_USE}
+	"
+
+RDEPEND="
+	python? (
+		dev-python/numpy[${PYTHON_USEDEP}]
+	)
+	sci-libs/sundials:0=
+"
+
+DEPEND="
+	${RDEPEND}
+	dev-cpp/eigen
+	dev-libs/boost
+	dev-libs/libfmt
+	python? (
+		dev-python/cython[${PYTHON_USEDEP}]
+	)
+	test? (
+		>=dev-cpp/gtest-1.8.0
+	)
+"
+
+PATCHES=( "${FILESDIR}/${PN}_${PV}_libdirname_variable.patch" )
+
+pkg_setup() {
+	fortran-2_pkg_setup
+	python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	default
+	# patch to work 'scons test' properly in case of set up 'renamed_shared_libraries="no"' option
+	sed -i "s/, libs=\['cantera_shared'\]//" "${S}"/test_problems/SConscript || die "failed to modify 'test_problems/SConscript'"
+	# patch env to pass CCACHE_DIR variable
+	sed -i "s/ENV={'PATH': os.environ\['PATH'\]}/ENV={'PATH': os.environ\['PATH'\], 'CCACHE_DIR': os.environ.get('CCACHE_DIR','')}/" "${S}"/SConstruct || die "failed to modify 'SConstruct'"
+}
+
+## Full list of configuration options of Cantera is presented here:
+## http://cantera.org/docs/sphinx/html/compiling/config-options.html
+
+src_configure() {
+	scons_vars=(
+		CC="$(tc-getCC)"
+		CXX="$(tc-getCXX)"
+		cc_flags="${CXXFLAGS}"
+		cxx_flags="-std=c++11"
+		debug="no"
+		FORTRAN="$(tc-getFC)"
+		FORTRANFLAGS="${CXXFLAGS}"
+		renamed_shared_libraries="no"
+		use_pch=$(usex pch)
+## In some cases other order can break the detection of right location of Boost: ##
+		system_fmt="y"
+		system_sundials="y"
+		system_eigen="y"
+		env_vars="all"
+		extra_inc_dirs="/usr/include/eigen3"
+	)
+	use test || scons_vars+=( googletest="none" )
+
+	scons_targets=(
+		f90_interface=$(usex fortran y n)
+		python2_package="none"
+	)
+
+	if use cti ; then
+		local scons_python=$(usex python full minimal)
+		scons_targets+=( python3_package="${scons_python}" python3_cmd="${EPYTHON}" )
+	else
+		scons_targets+=( python3_package="none" )
+	fi
+}
+
+src_compile() {
+	escons build "${scons_vars[@]}" "${scons_targets[@]}" prefix="/usr"
+}
+
+src_test() {
+	escons test
+}
+
+src_install() {
+	escons install stage_dir="${D%/}" libdirname="$(get_libdir)"
+	if ! use cti ; then
+		rm -r "${D%/}/usr/share/man" || die "Can't remove man files."
+	else
+		# Run the byte-compile of modules
+		python_optimize "${D%/}/$(python_get_sitedir)/${PN}"
+	fi
+}
+
+pkg_postinst() {
+	if use cti && ! use python ; then
+		elog "Cantera was build without 'python' use-flag therefore the CTI tool 'ck2cti'"
+		elog "will convert Chemkin files to Cantera format without verification of kinetic mechanism."
+	fi
+
+	local post_msg=$(usex fortran "and Fortran " "")
+	elog "C++ ${post_msg}samples are installed to '/usr/share/${PN}/samples/' directory."
+
+	if use python ; then
+		elog "Python examples are installed to '$(python_get_sitedir)/${PN}/examples/' directories."
+	fi
+}
diff --git a/sci-libs/cantera/files/cantera_2.4.0_libdirname_variable.patch b/sci-libs/cantera/files/cantera_2.4.0_libdirname_variable.patch
new file mode 100644
index 000000000000..a16f5670b550
--- /dev/null
+++ b/sci-libs/cantera/files/cantera_2.4.0_libdirname_variable.patch
@@ -0,0 +1,28 @@
+diff -Naur old/SConstruct new/SConstruct
+--- old/SConstruct	2018-08-24 16:24:45.000000000 +0300
++++ new/SConstruct	2018-11-05 03:07:07.000000000 +0300
+@@ -327,6 +327,10 @@
+         'prefix',
+         'Set this to the directory where Cantera should be installed.',
+         defaults.prefix, PathVariable.PathAccept),
++    PathVariable(
++        'libdirname',
++        'Set this to the directory where Cantera libraries should be installed.',
++        '', PathVariable.PathAccept),
+     EnumVariable(
+         'python_package',
+         """If you plan to work in Python, then you need the ``full`` Cantera Python
+@@ -1465,10 +1469,9 @@
+ # *** Set additional configuration variables ***
+ # **********************************************
+ 
+-# Some distributions (e.g. Fedora/RHEL) use 'lib64' instead of 'lib' on 64-bit systems
+-if any(name.startswith('/usr/lib64/python') for name in sys.path):
+-    env['libdirname'] = 'lib64'
+-else:
++# Some distributions use 'lib64' (e.g. Fedora/RHEL) or something else instead of 'lib' on 64-bit systems.
++# If user didn't set 'libdirname' configuration variable set it to default value 'lib'
++if not env['libdirname']:
+     env['libdirname'] = 'lib'
+ 
+ # On Debian-based systems, need to special-case installation to
diff --git a/sci-libs/cantera/metadata.xml b/sci-libs/cantera/metadata.xml
new file mode 100644
index 000000000000..a57df7829d2d
--- /dev/null
+++ b/sci-libs/cantera/metadata.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <email>torokhov_s_a@mail.ru</email>
+    <name>Sergey Torokhov</name>
+  </maintainer>
+  <maintainer type="project">
+    <email>proxy-maint@gentoo.org</email>
+    <name>Proxy Maintainers</name>
+  </maintainer>
+  <longdescription>
+    Cantera is an open-source suite of object-oriented software tools
+    for problems involving chemical kinetics, thermodynamics, and/or transport processes.
+  </longdescription>
+  <use>
+    <flag name="cti">Install CTI tools (ck2cti, ctml_writer) for conversion of Chemkin files to Cantera format</flag>
+  </use>
+  <upstream>
+    <remote-id type="github">cantera</remote-id>
+  </upstream>
+</pkgmetadata>