# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

NEED_EMACS=26
MY_PN="emacs-libvterm"
[[ ${PV} = *_p20221118 ]] && COMMIT="f14d113ee4618f052879509ec378feb9766b871b"

inherit cmake elisp

DESCRIPTION="Fully-featured terminal emulator based on libvterm"
HOMEPAGE="https://github.com/akermu/emacs-libvterm/"
SRC_URI="https://github.com/akermu/${MY_PN}/archive/${COMMIT}.tar.gz
	-> ${P}.tar.gz"
S="${WORKDIR}"/${MY_PN}-${COMMIT}

LICENSE="GPL-3+"
SLOT="0"
KEYWORDS="~amd64 ~arm64 ~x86"

DEPEND=">=dev-libs/libvterm-0.2:="
RDEPEND="
	${DEPEND}
	>=app-editors/emacs-26:*[dynamic-loading]
"

PATCHES=( "${FILESDIR}"/${PN}-0.0.1_pre20210618-dont-compile.patch )

DOCS=( README.md )
SITEFILE="50${PN}-gentoo.el"

src_prepare() {
	if [[ -e ${ESYSROOT}/usr/include/emacs-module.h ]] ; then
		# Use system header file instead of bundled one.
		rm emacs-module.h || die
	else
		ewarn "${ESYSROOT}/usr/include/emacs-module.h does not exist"
		ewarn "Falling back to bundled header file"
	fi

	cmake_src_prepare
}

src_configure() {
	local -a mycmakeargs=(
		-DUSE_SYSTEM_LIBVTERM=ON
	)
	cmake_src_configure
}

src_compile() {
	cmake_src_compile
	elisp_src_compile
}

src_install() {
	elisp_src_install
	elisp-modules-install ${PN} vterm-module.so

	# Install shell-side vterm support scripts.
	insinto "${SITEETC}"/${PN}
	doins -r etc
}