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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit autotools flag-o-matic toolchain-funcs
DESCRIPTION="A native Prolog compiler with constraint solving over finite domains (FD)"
HOMEPAGE="http://www.gprolog.org/"
SRC_URI="http://www.gprolog.org/${P}.tar.gz"
S="${WORKDIR}"/${P}
LICENSE="|| ( GPL-2+ LGPL-3+ )"
SLOT="0"
KEYWORDS="~amd64 ~ppc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-solaris"
IUSE="debug doc examples"
PATCHES=(
"${FILESDIR}"/${P}-ldflags.patch
"${FILESDIR}"/${P}-links.patch
"${FILESDIR}"/${P}-destdir.patch
"${FILESDIR}"/${P}-llvm-as.patch
)
src_prepare() {
default
cd "${S}"/src
eautoconf
}
src_configure() {
CFLAGS_MACHINE="`get-flag -march` `get-flag -mcpu` `get-flag -mtune`"
use debug && append-flags -DDEBUG
if tc-enables-pie; then
# gplc generates its own native ASM; disable PIE
append-ldflags -no-pie
fi
if tc-is-gcc && ! use x86; then
gprolog_use_regs=yes
else
gprolog_use_regs=no
fi
if tc-is-clang; then
AS=$(tc-getCC)
else
AS=$(tc-getAS)
fi
cd "${S}"/src || die
econf \
AS="${AS}" \
CFLAGS_MACHINE="${CFLAGS_MACHINE}" \
--with-c-flags="${CFLAGS}" \
--with-install-dir="${EPREFIX}"/usr/$(get_libdir)/${P} \
--with-links-dir="${EPREFIX}"/usr/bin \
--enable-regs=${gprolog_use_regs} \
$(use_with doc doc-dir "${EPREFIX}"/usr/share/doc/${PF}) \
$(use_with doc html-dir "${EPREFIX}"/usr/share/doc/${PF}/html) \
$(use_with examples examples-dir "${EPREFIX}"/usr/share/doc/${PF}/examples)
}
src_compile() {
cd "${S}"/src || die
# gprolog is compiled using gplc which cannot be run in parallel
emake -j1
}
src_test() {
cd "${S}"/src || die
emake -j1 check
}
src_install() {
cd "${S}"/src || die
emake DESTDIR="${D}" TXT_FILES= install
cd "${S}" || die
dodoc ChangeLog NEWS PROBLEMS README
}
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