sci-electronics/ngspice: support building shared libs and the Tcl module

Also a few dependency fixes + restrict tests again.

Submitted-by: Fabio Rossi <rossi.f@inwind.it>
Closes: https://bugs.gentoo.org/632140
Package-Manager: Portage-2.3.13, Repoman-2.3.3

4 files changed, 220 insertions, 0 deletions

diff --git a/sci-electronics/ngspice/files/ngspice-27-blt_linkage_workaround.patch b/sci-electronics/ngspice/files/ngspice-27-blt_linkage_workaround.patch
new file mode 100644
index 000000000000..53415c748d6d
--- /dev/null
+++ b/sci-electronics/ngspice/files/ngspice-27-blt_linkage_workaround.patch
@@ -0,0 +1,12 @@
+--- a/configure.ac
++++ b/configure.ac
+@@ -461,6 +461,9 @@
+         AC_MSG_ERROR([Couldn't find BLT])
+     fi
+     rm -f conftest.tcl
++
++    AC_SEARCH_LIBS([Blt_GetVector], [BLT BLT24 BLT25],,
++        [AC_MSG_ERROR([Couldnt find BLT library.])])
+     
+     AC_CHECK_LIB([pthread], [pthread_create])
+     
diff --git a/sci-electronics/ngspice/files/ngspice-27-fix_parsing_tcl_commands.patch b/sci-electronics/ngspice/files/ngspice-27-fix_parsing_tcl_commands.patch
new file mode 100644
index 000000000000..bad336590dfa
--- /dev/null
+++ b/sci-electronics/ngspice/files/ngspice-27-fix_parsing_tcl_commands.patch
@@ -0,0 +1,16 @@
+--- a/src/tclspice.c
++++ b/src/tclspice.c
+@@ -828,10 +828,9 @@
+     int i;
+     NG_IGNORE(clientData);
+     save_interp();
+-    /* Looks backwards through the first command and strips the :: part */
+-    for (i = strlen(argv[0])-1; i > 0; i--)
+-        if (argv[0][i] == *":")
+-            argv[0] += i + 1;
++    char *prefix = strstr(argv[0], "spice::");
++    if (prefix)
++        argv[0] = prefix + 7;
+     return _run(argc, (char **)argv);
+ }
+ 
diff --git a/sci-electronics/ngspice/metadata.xml b/sci-electronics/ngspice/metadata.xml
index 54267123c561..ed47ec5f1705 100644
--- a/sci-electronics/ngspice/metadata.xml
+++ b/sci-electronics/ngspice/metadata.xml
@@ -9,6 +9,9 @@
 		Ngspice is a mixed-level/mixed-signal circuit simulator. Its code is based on
 		three open source software packages: Spice3f5, Cider1b1 and Xspice.
 	</longdescription>
+	<use>
+		<flag name="shared">Build ngspice as a shared library</flag>
+	</use>
 	<upstream>
 		<remote-id type="sourceforge">ngspice</remote-id>
 	</upstream>
diff --git a/sci-electronics/ngspice/ngspice-27-r1.ebuild b/sci-electronics/ngspice/ngspice-27-r1.ebuild
new file mode 100644
index 000000000000..372ba4f94d78
--- /dev/null
+++ b/sci-electronics/ngspice/ngspice-27-r1.ebuild
@@ -0,0 +1,189 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit autotools multibuild toolchain-funcs
+
+DESCRIPTION="The Next Generation Spice (Electronic Circuit Simulator)"
+SRC_URI="mirror://sourceforge/ngspice/${P}.tar.gz
+	doc? ( mirror://sourceforge/ngspice/${P}-manual.pdf )"
+HOMEPAGE="http://ngspice.sourceforge.net"
+LICENSE="BSD GPL-2"
+
+SLOT="0"
+IUSE="X debug doc examples fftw openmp readline shared tcl"
+KEYWORDS="~amd64 ~ppc ~sparc ~x86 ~x64-macos"
+
+# See bug #642460
+RESTRICT="test"
+
+DEPEND="sys-libs/ncurses:0=
+	X? ( x11-libs/libXaw
+		x11-libs/libXt
+		x11-libs/libX11 )
+	fftw? ( sci-libs/fftw:3.0 )
+	readline? ( sys-libs/readline:0= )
+	tcl? ( dev-lang/tcl:0
+		dev-tcltk/blt )"
+RDEPEND="${DEPEND}
+	X? ( sci-visualization/xgraph )"
+
+DOCS=(
+	ANALYSES
+	AUTHORS
+	BUGS
+	ChangeLog
+	DEVICES
+	NEWS
+	README
+	Stuarts_Poly_Notes
+)
+
+PATCHES=(
+	"${FILESDIR}"/${P}-autoconf_fftw3.patch
+	"${FILESDIR}"/${P}-blt_linkage_workaround.patch
+	"${FILESDIR}"/${P}-fix_parsing_tcl_commands.patch
+	"${FILESDIR}"/${P}-split_terminfo.patch
+)
+
+pkg_setup() {
+	MULTIBUILD_VARIANTS=( "binaries" )
+	use shared && MULTIBUILD_VARIANTS+=( "shared" )
+	use tcl && MULTIBUILD_VARIANTS+=( "tcl" )
+	use openmp && tc-check-openmp
+}
+
+src_prepare() {
+	default
+
+	if use tcl; then
+		if use examples; then
+			find examples/tclspice -type f -iname \*tcl |
+			while read s
+			do
+				sed -i -e 's@../../../src/.libs/libspice.so@libspice.so@g' \
+					-e 's@package require BLT@package require Tk\npackage require BLT@g' \
+					-e "s@spice::codemodel \(.*\)/\(.*\).cm@spice::codemodel /usr/$(get_libdir)/ngspice/\2.cm@g" \
+					"${s}" || die "sed failed"
+			done
+		fi
+	fi
+
+	eautoreconf
+}
+
+src_configure() {
+	multibuild_copy_sources
+	multibuild_foreach_variant ngspice_configure
+}
+
+ngspice_configure() {
+	pushd "${BUILD_DIR}"
+
+	local myconf
+	if use debug; then
+		myconf="--enable-debug \
+			--enable-ftedebug \
+			--enable-cpdebug \
+			--enable-sensdebug \
+			--enable-asdebug \
+			--enable-stepdebug \
+			--enable-pzdebug"
+	else
+		myconf="--disable-debug \
+			--disable-ftedebug \
+			--disable-cpdebug \
+			--disable-sensdebug \
+			--disable-asdebug \
+			--disable-stepdebug \
+			--disable-pzdebug"
+	fi
+	# As of December 2017, these do not compile
+	myconf="${myconf} \
+		--disable-blktmsdebug \
+		--disable-smltmsdebug"
+
+	myconf="${myconf} \
+		--enable-xspice \
+		--enable-cider \
+		--enable-ndev \
+		--disable-xgraph \
+		--disable-dependency-tracking \
+		--disable-rpath \
+		$(use_enable openmp) \
+		$(use_with fftw fftw3) \
+		$(use_with readline)"
+
+	if [ "${MULTIBUILD_VARIANT}" == "shared" ]; then
+		myconf="${myconf} \
+			--with-ngshared"
+	elif [ "${MULTIBUILD_VARIANT}" == "tcl" ]; then
+		myconf="${myconf} \
+			--with-tcl"
+	else
+		myconf="${myconf} \
+			$(use_with X x)"
+	fi
+
+	econf ${myconf}
+}
+
+src_compile() {
+	multibuild_foreach_variant ngspice_compile
+}
+
+ngspice_compile() {
+	pushd "${BUILD_DIR}"
+	default
+}
+
+src_install() {
+	multibuild_foreach_variant ngspice_install
+
+	# merge the installations of all variants
+	for v in "${MULTIBUILD_VARIANTS[@]}" ; do
+		cp -a "${D}_${v}"/* "${D}" || die "Failed to combine multibuild installations"
+		rm -rf "${D}_${v}"
+	done
+
+	use tcl && DOCS+=( README.tcl )
+	use doc && DOCS+=( "${DISTDIR}"/${P}-manual.pdf )
+
+	default
+
+	# We don't need ngmakeidx to be installed
+	rm -f "${D}"/usr/bin/ngmakeidx
+	rm -f "${D}"/usr/share/man/man1/ngmakeidx.1
+
+	if use examples; then
+		use tcl || rm -rf examples/tclspice
+
+		insinto /usr/share/${PN}
+		doins -r examples
+	fi
+}
+
+ngspice_install() {
+	pushd "${BUILD_DIR}"
+
+	emake DESTDIR="${D}_${MULTIBUILD_VARIANT}" install
+
+	# Strip shared-library and Tcl-module builds to the bare minimum;
+	# all the support files will have been handled by the 'binaries' build.
+	if [ "${MULTIBUILD_VARIANT}" != "binaries" ]; then
+		rm -rf "${D}_${MULTIBUILD_VARIANT}"/usr/bin{,.debug}
+		rm -rf "${D}_${MULTIBUILD_VARIANT}"/usr/share
+		rm -rf "${D}_${MULTIBUILD_VARIANT}"/usr/$(get_libdir)/*.la
+		rm -rf "${D}_${MULTIBUILD_VARIANT}"/usr/$(get_libdir)/ngspice/*.cm{,.debug}
+	fi
+}
+
+src_test() {
+	multibuild_foreach_variant ngspice_test
+}
+
+ngspice_test() {
+	pushd "${BUILD_DIR}"
+	default
+}