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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
PYTHON_COMPAT=( python2_7 )
inherit python-single-r1
DESCRIPTION="LLVM-to-JavaScript Compiler"
HOMEPAGE="http://emscripten.org/"
SRC_URI="https://github.com/kripken/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
KEYWORDS="~amd64 ~x86"
SLOT="0"
LICENSE="UoI-NCSA"
REQUIRED_USE="${PYTHON_REQUIRED_USE}"
DEPEND="${PYTHON_DEPS}
~dev-util/emscripten-fastcomp-${PV}"
RDEPEND="${DEPEND}"
DEST="/usr/share/"
TEST="${WORKDIR}/test/"
prepare_file() {
cp "${FILESDIR}/${1}" "${S}/" || die "could not copy '${1}'"
sed -i "s/\${PV}/${PV}/g" "${S}/${1}" || \
die "could not adjust path for '${1}'"
}
src_prepare() {
prepare_file "99emscripten"
prepare_file "emscripten.config"
eapply "${FILESDIR}/${PV}/emcc.patch"
eapply "${FILESDIR}/${PV}/emcmake.patch"
eapply_user
}
src_test() {
mkdir "${TEST}" || die "Could not create test directory!"
cp "${FILESDIR}/hello_world.cpp" "${TEST}" || die "Could not copy example file"
cp "${S}/emscripten.config" "${TEST}" || die "Could not copy config file"
sed -i -e "/^EMSCRIPTEN_ROOT/s|/usr/share/|${S}|" \
"${TEST}/emscripten.config" || die "Could not adjust path for testing"
export EM_CONFIG="${TEST}/emscripten.config" || die "Could not export variable"
../"${P}/emcc" "${TEST}/hello_world.cpp" -o "${TEST}/hello_world.js" || \
die "Error during executing emcc!"
test -f "${TEST}/hello_world.js" || die "Could not find '${TEST}/hello_world.js'"
OUT=$(/usr/bin/node "${TEST}/hello_world.js") || \
die "Could not execute /usr/bin/node"
EXP=$(echo -e -n 'Hello World!\n') || die "Could not create expected string"
if [ "${OUT}" != "${EXP}" ]; then
die "Expected '${EXP}' but got '${OUT}'!"
fi
rm -r "${TEST}" || die "Could not clean-up '${TEST}'"
}
src_install() {
dodir ${DEST}/${P}
cp -R "${S}/" "${D}/${DEST}" || die "Could not install files"
dosym ../share/${P}/emcc /usr/bin/emcc
dosym ../share/${P}/emcmake /usr/bin/emcmake
doenvd 99emscripten
ewarn "If you consider using emscripten in an active shell,"\
"please execute 'source /etc/profile'"
}
pkg_postinst() {
elog "Running emscripten initialization, may take a few seconds..."
export EM_CONFIG="${DEST}/${P}/emscripten.config" || die "Could not export variable"
/usr/bin/emcc -v || die "Could not run emcc initialization"
}
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