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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI="6"
DESCRIPTION="GNU macro processor"
HOMEPAGE="https://www.gnu.org/software/m4/m4.html"
SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
LICENSE="GPL-3"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv s390 sparc x86 ~ppc-aix ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="examples"
# remember: cannot dep on autoconf since it needs us
DEPEND="app-arch/xz-utils"
RDEPEND=""
src_prepare() {
eapply "${FILESDIR}"/${P}-darwin17-printf-n.patch
eapply "${FILESDIR}"/${P}-glibc228.patch #663924
default
}
src_configure() {
# Disable automagic dependency over libsigsegv; see bug #278026
export ac_cv_libsigsegv=no
local myconf=""
[[ ${USERLAND} != "GNU" ]] && myconf="--program-prefix=g"
econf --enable-changeword ${myconf}
}
src_test() {
[[ -d /none ]] && die "m4 tests will fail with /none/" #244396
emake check
}
src_install() {
default
# autoconf-2.60 for instance, first checks gm4, then m4. If we don't have
# gm4, it might find gm4 from outside the prefix on for instance Darwin
use prefix && dosym /usr/bin/m4 /usr/bin/gm4
if use examples ; then
docinto examples
dodoc -r examples/
rm -f "${ED}"/usr/share/doc/${PF}/examples/Makefile*
fi
}
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