sys-libs/readline: Introduced "unicode" USE flag

in order to avoid linking against libtinfo _and_ libtinfow in some
applications.

Thanks-to: Sergei Trofimovich <slyfox@gentoo.org>
Closes: https://bugs.gentoo.org/669214
Package-Manager: Portage-2.3.76, Repoman-2.3.17
Signed-off-by: Lars Wendler <polynomial-c@gentoo.org>

1 files changed, 175 insertions, 0 deletions

diff --git a/sys-libs/readline/readline-8.0_p1-r1.ebuild b/sys-libs/readline/readline-8.0_p1-r1.ebuild
new file mode 100644
index 000000000000..6b36ff730e5f
--- /dev/null
+++ b/sys-libs/readline/readline-8.0_p1-r1.ebuild
@@ -0,0 +1,175 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit flag-o-matic multilib-minimal preserve-libs toolchain-funcs usr-ldscript
+
+# Official patches
+# See ftp://ftp.cwru.edu/pub/bash/readline-7.0-patches/
+PLEVEL="${PV##*_p}"
+MY_PV="${PV/_p*}"
+MY_PV="${MY_PV/_/-}"
+MY_P="${PN}-${MY_PV}"
+[[ ${PV} != *_p* ]] && PLEVEL=0
+patches() {
+	[[ ${PLEVEL} -eq 0 ]] && return 1
+	local opt=$1
+	eval set -- {1..${PLEVEL}}
+	set -- $(printf "${PN}${MY_PV/\.}-%03d " "$@")
+	if [[ ${opt} == -s ]] ; then
+		echo "${@/#/${DISTDIR}/}"
+	else
+		local u
+		for u in ftp://ftp.cwru.edu/pub/bash mirror://gnu/${PN} ; do
+			printf "${u}/${PN}-${MY_PV}-patches/%s " "$@"
+		done
+	fi
+}
+
+DESCRIPTION="Another cute console display library"
+HOMEPAGE="https://tiswww.case.edu/php/chet/readline/rltop.html"
+
+case ${PV} in
+	*_alpha*|*_beta*|*_rc*)
+		SRC_URI+=" ftp://ftp.cwru.edu/pub/bash/${MY_P}.tar.gz"
+	;;
+	*)
+		SRC_URI="mirror://gnu/${PN}/${MY_P}.tar.gz $(patches)"
+	;;
+esac
+
+LICENSE="GPL-3"
+SLOT="0/8"  # subslot matches SONAME major
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sh ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="static-libs +unicode utils"
+
+RDEPEND=">=sys-libs/ncurses-5.9-r3:0=[static-libs?,unicode?,${MULTILIB_USEDEP}]"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	virtual/pkgconfig
+"
+
+S="${WORKDIR}/${MY_P}"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-5.0-no_rpath.patch
+	"${FILESDIR}"/${PN}-6.2-rlfe-tgoto.patch #385091
+	"${FILESDIR}"/${PN}-7.0-headers.patch
+	"${FILESDIR}"/${PN}-8.0-headers.patch
+)
+
+# Needed because we don't want the patches being unpacked
+# (which emits annoying and useless error messages)
+src_unpack() {
+	unpack ${MY_P}.tar.gz
+}
+
+src_prepare() {
+	[[ ${PLEVEL} -gt 0 ]] && eapply -p0 $(patches -s)
+	default
+
+	# Force ncurses linking. #71420
+	# Use pkg-config to get the right values. #457558
+	local ncurses_libs=$($(tc-getPKG_CONFIG) ncurses$(usex unicode w '') --libs)
+	sed -i \
+		-e "/^SHLIB_LIBS=/s:=.*:='${ncurses_libs}':" \
+		support/shobj-conf || die
+	sed -i \
+		-e "/^[[:space:]]*LIBS=.-lncurses/s:-lncurses:${ncurses_libs}:" \
+		examples/rlfe/configure || die
+
+	# fix building under Gentoo/FreeBSD; upstream FreeBSD deprecated
+	# objformat for years, so we don't want to rely on that.
+	sed -i -e '/objformat/s:if .*; then:if true; then:' support/shobj-conf || die
+
+	ln -s ../.. examples/rlfe/readline || die # for local readline headers
+}
+
+src_configure() {
+	# fix implicit decls with widechar funcs
+	append-cppflags -D_GNU_SOURCE
+	# https://lists.gnu.org/archive/html/bug-readline/2010-07/msg00013.html
+	append-cppflags -Dxrealloc=_rl_realloc -Dxmalloc=_rl_malloc -Dxfree=_rl_free
+
+	# Make sure configure picks a better ar than `ar`. #484866
+	export ac_cv_prog_AR=$(tc-getAR)
+
+	# Force the test since we used sed above to force it.
+	export bash_cv_termcap_lib=ncurses
+
+	# Control cross-compiling cases when we know the right answer.
+	# In cases where the C library doesn't support wide characters, readline
+	# itself won't work correctly, so forcing the answer below should be OK.
+	if tc-is-cross-compiler ; then
+		use kernel_Winnt || export bash_cv_func_sigsetjmp='present'
+		export bash_cv_func_ctype_nonascii='yes'
+		export bash_cv_wcwidth_broken='no' #503312
+	fi
+
+	# This is for rlfe, but we need to make sure LDFLAGS doesn't change
+	# so we can re-use the config cache file between the two.
+	append-ldflags -L.
+
+	multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+	local myeconfargs=(
+		--cache-file="${BUILD_DIR}"/config.cache
+		--with-curses
+		$(use_enable static-libs static)
+	)
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
+
+	if use utils && multilib_is_native_abi && ! tc-is-cross-compiler ; then
+		# code is full of AC_TRY_RUN()
+		mkdir -p examples/rlfe || die
+		cd examples/rlfe || die
+		ECONF_SOURCE="${S}"/examples/rlfe \
+		econf --cache-file="${BUILD_DIR}"/config.cache
+	fi
+}
+
+multilib_src_compile() {
+	emake
+
+	if use utils && multilib_is_native_abi && ! tc-is-cross-compiler ; then
+		# code is full of AC_TRY_RUN()
+		cd examples/rlfe || die
+		local l
+		for l in readline history ; do
+			ln -s ../../shlib/lib${l}$(get_libname)* lib${l}$(get_libname) || die
+			ln -s ../../lib${l}.a lib${l}.a || die
+		done
+		emake
+	fi
+}
+
+multilib_src_install() {
+	default
+
+	if multilib_is_native_abi ; then
+		gen_usr_ldscript -a readline history #4411
+
+		if use utils && ! tc-is-cross-compiler; then
+			dobin examples/rlfe/rlfe
+		fi
+	fi
+}
+
+multilib_src_install_all() {
+	HTML_DOCS="doc/history.html doc/readline.html doc/rluserman.html" einstalldocs
+	dodoc USAGE
+	docinto ps
+	dodoc doc/*.ps
+}
+pkg_preinst() {
+	# bug #29865
+	# Reappeared in #595324 with paludis so keeping this for now...
+	preserve_old_lib /$(get_libdir)/lib{history,readline}.so.{4,5,6,7}
+}
+
+pkg_postinst() {
+	preserve_old_lib_notify /$(get_libdir)/lib{history,readline}.so.{4,5,6,7}
+}