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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=5
inherit epatch flag-o-matic multilib java-vm-2 autotools toolchain-funcs
DESCRIPTION="An extremely small and specification-compliant virtual machine"
HOMEPAGE="http://jamvm.sourceforge.net/"
SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="amd64 x86"
IUSE="debug libffi"
RDEPEND="dev-java/gnu-classpath:0.98
|| ( dev-java/eclipse-ecj:* dev-java/ecj-gcj:* )
libffi? ( dev-libs/libffi:= )
ppc64? ( dev-libs/libffi:= )
sparc? ( dev-libs/libffi:= )"
DEPEND="
${DEPEND}
ppc64? ( virtual/pkgconfig )
sparc? ( virtual/pkgconfig )
libffi? ( virtual/pkgconfig )
"
PATCHES=(
"${FILESDIR}"/"${P}-classes-location.patch"
"${FILESDIR}"/"${P}-noexecstack.patch"
)
src_prepare() {
# without this patch, classes.zip is not found at runtime
epatch "${PATCHES[@]}"
eautoreconf
# These come precompiled.
# configure script uses detects the compiler
# from PATH. I guess we should compile this from source.
# Then just make sure not to hit
# https://bugs.gentoo.org/show_bug.cgi?id=163801
#
#rm -v lib/classes.zip || die
}
src_configure() {
filter-flags "-fomit-frame-pointer"
if use ppc64 || use sparc || use libffi; then
append-cflags "$($(tc-getPKG_CONFIG) --cflags-only-I libffi)"
fi
local fficonf="--enable-ffi"
if { ! use ppc64 && ! use sparc; }; then
fficonf="$(use_enable libffi ffi)"
fi
econf ${fficonf} \
$(use_enable debug trace) \
--libdir="${EPREFIX}"/usr/$(get_libdir)/${PN} \
--includedir="${EPREFIX}"/usr/include/${PN} \
--with-classpath-install-dir=/usr
}
create_launcher() {
local script="${D}/${INSTALL_DIR}/bin/${1}"
cat > "${script}" <<-EOF
#!/bin/sh
exec /usr/bin/jamvm \
-Xbootclasspath/p:/usr/share/classpath/tools.zip" \
gnu.classpath.tools.${1}.Main "\$@"
EOF
chmod +x "${script}" || die
}
src_install() {
local libdir=$(get_libdir)
local CLASSPATH_DIR=/usr/libexec/gnu-classpath-0.98
local JDK_DIR=/usr/${libdir}/${PN}-jdk
emake DESTDIR="${D}" install
dodoc ACKNOWLEDGEMENTS AUTHORS ChangeLog NEWS README
set_java_env "${FILESDIR}/${P}-env.file"
dodir ${JDK_DIR}/bin
dosym /usr/bin/jamvm ${JDK_DIR}/bin/java
for files in ${CLASSPATH_DIR}/g*; do
if [ $files = "${CLASSPATH_DIR}/bin/gjdoc" ] ; then
dosym $files ${JDK_DIR}/bin/javadoc
else
dosym $files \
${JDK_DIR}/bin/$(echo $files|sed "s#$(dirname $files)/g##")
fi
done
dodir ${JDK_DIR}/jre/lib
dosym /usr/share/classpath/glibj.zip ${JDK_DIR}/jre/lib/rt.jar
dodir ${JDK_DIR}/lib
dosym /usr/share/classpath/tools.zip ${JDK_DIR}/lib/tools.jar
local ecj_jar="$(readlink "${EPREFIX}"/usr/share/eclipse-ecj/ecj.jar)"
exeinto ${JDK_DIR}/bin
sed -e "s#@JAVA@#/usr/bin/jamvm#" \
-e "s#@ECJ_JAR@#${ecj_jar}#" \
-e "s#@RT_JAR@#/usr/share/classpath/glibj.zip#" \
-e "s#@TOOLS_JAR@#/usr/share/classpath/tools.zip#" \
"${FILESDIR}"/"${P}-javac.in" | newexe - javac
local libarch="${ARCH}"
[ ${ARCH} == x86 ] && libarch="i386"
[ ${ARCH} == x86_64 ] && libarch="amd64"
dodir ${JDK_DIR}/jre/lib/${libarch}/client
dodir ${JDK_DIR}/jre/lib/${libarch}/server
dosym /usr/${libdir}/${PN}/libjvm.so ${JDK_DIR}/jre/lib/${libarch}/client/libjvm.so
dosym /usr/${libdir}/${PN}/libjvm.so ${JDK_DIR}/jre/lib/${libarch}/server/libjvm.so
dosym /usr/${libdir}/classpath/libjawt.so ${JDK_DIR}/jre/lib/${libarch}/libjawt.so
# Can't use java-vm_set-pax-markings as doesn't work with symbolic links
# Ensure a PaX header is created.
local pax_markings="C"
# Usally disabeling MPROTECT is sufficent.
local pax_markings+="m"
# On x86 for heap sizes over 700MB disable SEGMEXEC and PAGEEXEC as well.
use x86 && pax_markings+="sp"
pax-mark ${pax_markings} "${ED}"/usr/bin/jamvm
}
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