sci-electronics/systemc: Bump version to 2.3.2

This version of systemc attempts to do its own compile-time detection of
what C++ standard the current C++ compiler is capable of. Overwriting
this is possible by setting certain macros at compile-time. Those macros
are toggled by the cxx03,11,14,17 USE flags.

Bug: https://bugs.gentoo.org/637952
Package-Manager: Portage-2.3.14, Repoman-2.3.6

sci-electronics/systemc/Manifest

@@ -1,2 +1,3 @@
 DIST systemc-2.3.0a.tar.gz 7084178 SHA256 b9da6e78e960543eb531b7bfaf65809320f53832744ee22af4431300e81bf8c5 SHA512 3af3c0c96a95ee75e0a6c046fdd94ee822b8fbbc1c79e7bbf9b905e7a2d3689282e6d97cfa56c93094155d79126e74f052c0f0e12f31bf4321b28a03aae347ab WHIRLPOOL b5b3fe7ab3dcf523e5b26177a787649b2793002544cf35c97aec34d1fcc9e5481f47ec8c031cb1a7ad4390876c549e2145283a31551129bde2aecb9a66209fee
 DIST systemc-2.3.1a.tar.gz 7050669 SHA256 3e9d0afb5b76f5435305c2f0481b203041373d4a24776c301204c87b3e0f5c81 SHA512 cd52eb6e413c8b852e19c8387766eacbddf85e9b2f4d137f3d82d0d4025f13a44216a2e6cacf7b9e2b972584912a4a1c75cdb37a568330ce66a6bf909ca1b723 WHIRLPOOL 678b655dcf63c0d201a7be3827775baa4a79761411a5643a4132842e576fc92502b166ff876c97a546c2ed78503b2ecb4fc2319b8b651dfcc3437dd9baae26f8
+DIST systemc-2.3.2.tar.gz 7128068 SHA256 a28eeee00189f0e39f51461dcd7dbed7fb38e4e07dbd9e723473000ce6ef73c5 SHA512 050e99a50997a6a9594d6083d1d990540026fa4ab5985ec2923602c40cc4f55a2b099cd71b681ba52e5ed745ce016133244d0dc061b79676804c3c07568e60e9 WHIRLPOOL 33a6d59dc6fc571bff0e68355f421eb2d43672ee3183a3a4bff3e3d719340e313d683b5e7d10124c35e4350ca88fd83bfc528c5c6f39fd1a3c16bd7cf47bb222

sci-electronics/systemc/metadata.xml

@@ -13,4 +13,10 @@
   development and exchange of very fast system-level C++ models. It also
   provides a stable platform for development of system-level tools. 
   </longdescription>
+	<use>
+		<flag name="cxx03">Build with C++03 standard</flag>
+		<flag name="cxx11">Build with C++11 standard</flag>
+		<flag name="cxx14">Build with C++14 standard</flag>
+		<flag name="cxx17">Build with C++17 standard</flag>
+	</use>
 </pkgmetadata>

sci-electronics/systemc/systemc-2.3.2.ebuild

@@ -0,0 +1,74 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=5
+
+inherit eutils toolchain-funcs flag-o-matic
+MY_P="${P}"
+
+DESCRIPTION="A C++ based modeling platform for VLSI and system-level co-design"
+HOMEPAGE="http://accellera.org/community/systemc"
+SRC_URI="http://www.accellera.org/images/downloads/standards/${PN}/${MY_P}.tar.gz"
+
+SLOT="0"
+LICENSE="Apache-2.0"
+IUSE="doc static-libs cxx03 cxx11 +cxx14 cxx17"
+KEYWORDS="~amd64 ~x86"
+
+REQUIRED_USE="^^ ( cxx03 cxx11 cxx14 cxx17 )"
+
+RESTRICT="test"
+
+AUTOTOOLS_IN_SOURCE_BUILD=1
+
+S="${WORKDIR}/${MY_P}"
+
+src_configure() {
+	if use cxx17 ; then
+		if ! test-flag-CXX -std=c++17; then
+			eerror "${P} requires C++17-capable C++ compiler. Your current compiler"
+			eerror "does not seem to support -std=c++17 option. Please upgrade your compiler"
+			eerror "to gcc-7 or an equivalent version supporting C++17."
+			die "Currently active compiler does not support -std=c++17"
+		fi
+		append-cxxflags -std=c++17
+		append-cxxflags -DSC_CPLUSPLUS=201703L
+	elif use cxx14 ; then
+		if ! test-flag-CXX -std=c++14; then
+			eerror "${P} requires C++14-capable C++ compiler. Your current compiler"
+			eerror "does not seem to support -std=c++14 option. Please upgrade your compiler"
+			eerror "to gcc-4.9 or an equivalent version supporting C++14."
+			die "Currently active compiler does not support -std=c++14"
+		 fi
+		append-cxxflags -std=c++14
+		append-cxxflags -DSC_CPLUSPLUS=201402L
+	elif use cxx11 ; then
+		append-cxxflags -std=c++11
+		append-cxxflags -DSC_CPLUSPLUS=201103L
+	elif use cxx03 ; then
+		append-cxxflags -std=c++03
+		append-cxxflags -DSC_CPLUSPLUS=199701L
+	fi
+	econf $(use_enable static-libs static) CXX=$(tc-getCXX) \
+	--with-unix-layout
+}
+
+src_install() {
+	dodoc AUTHORS ChangeLog INSTALL NEWS README RELEASENOTES
+	rm docs/Makefile* || die
+	use doc && dodoc -r docs/*
+	cd src
+	default
+}
+
+pkg_postinst() {
+	elog "If you want to run the examples, you need to :"
+	elog "    tar xvfz ${PORTAGE_ACTUAL_DISTDIR}/${A}"
+	elog "    cd ${MY_P}"
+	elog "    find examples -name 'Makefile.*' -exec sed -i -e 's/-lm/-lm -lpthread/' '{}' \;"
+	elog "    ./configure"
+	elog "    cd examples"
+	elog "    make check"
+	elog "Code linked against SystemC must use the same C++ standard as SystemC, which is $(get-flag -std)"
+	elog "You can control which standard is used to build SystemC via the cxx03,cxx11,cxx14 and cxx17 USE flags."
+}