dev-libs/stfl: Use correct flags from pkg-config for ncurses widechar

Closes: https://bugs.gentoo.org/895064

Signed-off-by: Violet Purcell <vimproved@inventati.org>
Closes: https://github.com/gentoo/gentoo/pull/31648
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 155 insertions, 0 deletions

diff --git a/dev-libs/stfl/files/stfl-0.24-ncurses-widechar.patch b/dev-libs/stfl/files/stfl-0.24-ncurses-widechar.patch
new file mode 100644
index 000000000000..c1690ce67fe4
--- /dev/null
+++ b/dev-libs/stfl/files/stfl-0.24-ncurses-widechar.patch
@@ -0,0 +1,26 @@
+ncurses widechar functions are only available if the correct macros are
+defined. Use CFLAGS and LDFLAGS from pkgconfig to ensure that widechar
+functions are available.
+
+From 9b71952bfb29e036b13c16d621febff76e84e3e4 Mon Sep 17 00:00:00 2001
+From: Violet Purcell <vimproved@inventati.org>
+Date: Tue, 11 Jul 2023 15:45:05 -0400
+Subject: [PATCH] Use pkg-config for correct ncursesw CFLAGS and LDFLAGS
+
+--- a/Makefile
++++ b/Makefile
+@@ -21,8 +21,9 @@
+ include Makefile.cfg
+ 
+ export CC = gcc -pthread
+-export CFLAGS += -I. -Wall -Os -ggdb -D_GNU_SOURCE -fPIC
+-export LDLIBS += -lncursesw
++export PKG_CONFIG ?= pkg-config
++export CFLAGS += -I. -Wall -Os -ggdb -D_GNU_SOURCE -fPIC $(shell ${PKG_CONFIG} --cflags ncursesw)
++export LDLIBS += $(shell ${PKG_CONFIG} --libs ncursesw)
+ 
+ SONAME  := libstfl.so.0
+ VERSION := 0.24
+-- 
+2.41.0
+
diff --git a/dev-libs/stfl/stfl-0.24-r5.ebuild b/dev-libs/stfl/stfl-0.24-r5.ebuild
new file mode 100644
index 000000000000..546f1446cd20
--- /dev/null
+++ b/dev-libs/stfl/stfl-0.24-r5.ebuild
@@ -0,0 +1,129 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{10..11} )
+GENTOO_DEPEND_ON_PERL=no
+inherit perl-module python-r1 toolchain-funcs
+
+DESCRIPTION="A library which implements a curses-based widget set for text terminals"
+HOMEPAGE="http://www.clifford.at/stfl/"
+SRC_URI="http://www.clifford.at/${PN}/${P}.tar.gz"
+
+LICENSE="LGPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86"
+IUSE="examples perl python ruby static-libs"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+RDEPEND="
+	sys-libs/ncurses:=[unicode(+)]
+	perl? ( dev-lang/perl:= )
+	ruby? ( dev-lang/ruby:* )
+	python? ( ${PYTHON_DEPS} )
+"
+DEPEND="${RDEPEND}
+	perl? ( dev-lang/swig )
+	python? ( >=dev-lang/swig-1.3.40 )
+	ruby? ( dev-lang/swig )
+"
+BDEPEND="virtual/pkgconfig"
+RESTRICT="test"  # Upstream does not provide tests #730112
+
+PATCHES=(
+	"${FILESDIR}/${PN}-0.21-python.patch"
+	"${FILESDIR}/${PN}-0.22-soname-symlink.patch"
+	"${FILESDIR}/${PN}-0.22-ruby-sharedlib.patch"
+	"${FILESDIR}/${PN}-0.22-pc-libdir.patch"
+	"${FILESDIR}/${PN}-0.24-ncurses-widechar.patch"
+)
+
+src_prepare() {
+	default_src_prepare
+
+	sed -i \
+		-e 's/-Os -ggdb//' \
+		-e 's/^\(all:.*\) example/\1/' \
+		-e 's/$(CC) -shared/$(CC) $(LDFLAGS) -shared/' \
+		-e 's/ -o $@ $(LDLIBS) $^/ $^ $(LDLIBS) -o $@/' \
+		-e 's/-lncursesw/-lncursesw -pthread/' \
+		-e 's/\<ar\>/$(AR)/' \
+		-e 's/\<ranlib\>/$(RANLIB)/' \
+		Makefile || die "sed failed"
+
+	if ! use static-libs ; then
+		sed -i -e "/install .* libstfl.a/d" Makefile || die
+	fi
+
+	if use perl ; then
+		echo "FOUND_PERL5=1" >> Makefile.cfg
+	else
+		echo "FOUND_PERL5=0" >> Makefile.cfg
+	fi
+
+	if use ruby ; then
+		echo "FOUND_RUBY=1" >> Makefile.cfg
+	else
+		echo "FOUND_RUBY=0" >> Makefile.cfg
+	fi
+
+	echo "FOUND_PYTHON=0" >> Makefile.cfg
+}
+
+src_configure() { :; }
+
+src_compile() {
+	emake CC="$(tc-getCC)" AR="$(tc-getAR)" RANLIB="$(tc-getRANLIB)" PKG_CONFIG="$(tc-getPKG_CONFIG)"
+
+	if use python ; then
+		local BUILD_DIR="${S}/python"
+		python_copy_sources
+
+		# Based on code from python/Makefile.snippet.
+		building() {
+			pushd "${BUILD_DIR}" &>/dev/null || die
+			echo swig -python -threads stfl.i
+			swig -python -threads stfl.i || die
+			echo "$(tc-getCC)" ${CFLAGS} ${LDFLAGS} -shared -pthread -fPIC stfl_wrap.c -I$(python_get_includedir) -I.. ../libstfl.so.${PV} -lncursesw -o _stfl.so
+			"$(tc-getCC)" ${CFLAGS} ${LDFLAGS} -shared -pthread -fPIC stfl_wrap.c -I$(python_get_includedir) -I.. ../libstfl.so.${PV} -lncursesw -o _stfl.so || die
+			popd &>/dev/null || die
+		}
+		python_foreach_impl building
+	fi
+}
+
+src_install() {
+	emake prefix="/usr" DESTDIR="${D}" libdir="$(get_libdir)" install
+
+	if use python ; then
+		local BUILD_DIR="${S}/python"
+
+		installation() {
+			pushd "${BUILD_DIR}" &>/dev/null || die
+			python_domodule stfl.py _stfl.so
+			popd &>/dev/null || die
+		}
+		python_foreach_impl installation
+	fi
+
+	dodoc README
+
+	local exdir="/usr/share/doc/${PF}/examples"
+	if use examples ; then
+		insinto ${exdir}
+		doins example.{c,stfl}
+		insinto ${exdir}/python
+		doins python/example.py
+		if use perl ; then
+			insinto ${exdir}/perl
+			doins perl5/example.pl
+		fi
+		if use ruby ; then
+			insinto ${exdir}/ruby
+			doins ruby/example.rb
+		fi
+	fi
+
+	perl_delete_localpod
+}