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# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: This ebuild is from Lua overlay; Bumped by mva; $
EAPI="5"
inherit base multilib pax-utils versionator toolchain-funcs flag-o-matic check-reqs git-2
MY_PV="2.1.0-alpha"
DESCRIPTION="Just-In-Time Compiler for the Lua programming language"
HOMEPAGE="http://luajit.org/"
SRC_URI=""
EGIT_REPO_URI="http://luajit.org/git/luajit-2.0.git"
EGIT_BRANCH="v2.1"
LICENSE="MIT"
SLOT="2"
KEYWORDS=""
IUSE="lua52compat +optimization"
PDEPEND="
virtual/lua[luajit]
"
HTML_DOCS=( "doc/" )
check_req() {
if use optimization; then
CHECKREQS_MEMORY="200M"
ewarn "Optimized (amalgamated) build wants at least 200MB of RAM"
ewarn "If you have no such RAM - try to disable 'optimization' flag"
check-reqs_pkg_${1}
fi
}
pkg_pretend() {
check_req pretend
}
pkg_setup() {
check_req setup
}
src_prepare(){
# fixing prefix and version
sed \
-e "s|/usr/local|/usr|" \
-e "s|/lib|/$(get_libdir)|" \
-i Makefile || die "failed to fix prefix in Makefile"
sed \
-e "s|/usr/local|/usr|" \
-e "s|lib/|$(get_libdir)/|" \
-i src/luaconf.h || die "failed to fix prefix in luaconf.h"
sed \
-e "s|/usr/local|/usr|" \
-e "s|lib/|$(get_libdir)/|" \
-i etc/luajit.pc || die "failed to fix prefix in pkg-config file"
}
src_compile() {
local opt;
use optimization && opt="amalg";
if gcc-fullversion 4 7 3 && gcc-specs-pie && has ccache ${FEATURES}; then
# It is three ways to avoid compilation breaking
# in case, when user use gcc-4.7.3+pie+ccache:
# a) append -fPIC to CFLAGS, to use it even for temporary
# build-time only static host/* bins and luajit binary itself.
# b) append -nopie to LDFLAGS
# (for same binaries and same reason)
# c) disable ccache (even in per-package basis).
# This will slow down amalgamated build, but is prefered and
# recommended by upstream method.
# So, since it is impossible to use method "c" directly from
# ebuild, I choose method "a"
# (since it is more secure on hardened systems, imho) +
# + ewarn user, that he really should disable ccache.
# append-ldflags -nopie
append-cflags -fPIC
ewarn "As we detected, that you're using gcc-4.7.3+pie+ccache,"
ewarn "we need to either:"
ewarn " a) add -fPIC to CFLAGS, or"
ewarn " b) add -nopie to LDFLAGS, or"
ewarn " c) disable ccache (even on per-package basis)."
ewarn ""
ewarn "We suggest you to use variant 'c' and disable it via"
ewarn "/etc/portage/{,package.}env (read portage manual)"
ewarn ""
ewarn "But, since we can't do that from ebuild, we'll continue"
ewarn "with -fPIC (variant 'a') for now, since it gives more security"
ewarn "on hardened systems (in our opinion)."
ewarn ""
ewarn "But, anyway, we still *HIGHLY* recommend you"
ewarn "to disable ccache instead."
fi
emake \
Q= \
HOST_CC="$(tc-getBUILD_CC)" \
STATIC_CC="$(tc-getCC)" \
DYNAMIC_CC="$(tc-getCC) -fPIC" \
TARGET_LD="$(tc-getCC)" \
TARGET_AR="$(tc-getAR) rcus" \
TARGET_STRIP="true" \
XCFLAGS="$(usex lua52compat "-DLUAJIT_ENABLE_LUA52COMPAT" "")" \
"${opt}"
}
src_install() {
default
base_src_install_docs
host-is-pax && pax-mark m "${ED}usr/bin/${PN}-${MY_PV}"
dosym "${PN}-${MY_PV}" "/usr/bin/${PN}"
dobin "${FILESDIR}/luac.jit"
}
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