1 files changed, 98 insertions, 0 deletions
diff --git a/dev-libs/mpfr/mpfr-4.2.0_p12.ebuild b/dev-libs/mpfr/mpfr-4.2.0_p12.ebuild
new file mode 100644
index 000000000000..3436f7912a8f
--- /dev/null
+++ b/dev-libs/mpfr/mpfr-4.2.0_p12.ebuild
@@ -0,0 +1,98 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/vincentlefevre.asc
+inherit multilib-minimal verify-sig
+
+# Upstream distribute patches before a new release is made
+# See https://www.mpfr.org/mpfr-current/#bugs for the latest version (and patches)
+
+# Check whether any patches touch e.g. manuals!
+# https://archives.gentoo.org/gentoo-releng-autobuilds/message/c2dd39fc4ebc849db6bb0f551739e2ed
+MY_PV=${PV%%_p*}
+MY_PATCH=$(ver_cut 5-)
+MY_PATCHES=()
+MY_P=${PN}-${MY_PV/_/-}
+
+DESCRIPTION="Library for multiple-precision floating-point computations with exact rounding"
+HOMEPAGE="https://www.mpfr.org/ https://gitlab.inria.fr/mpfr"
+SRC_URI="https://www.mpfr.org/${PN}-$(ver_cut 1-3)/${MY_P}.tar.xz"
+SRC_URI+=" verify-sig? ( https://www.mpfr.org/${PN}-$(ver_cut 1-3)/${MY_P}.tar.xz.asc )"
+
+if [[ ${PV} == *_p* ]] ; then
+	# If this is a patch release, we have to download each of the patches:
+	# -_pN = N patches
+	# - patch file names are like: patch01, patch02, ..., patch10, patch12, ..
+	#
+	# => name the ebuild _pN where N is the number of patches on the 'bugs' page.
+	patch_url_base="https://www.mpfr.org/${MY_P}"
+	my_patch_index=
+
+	for ((my_patch_index=1; my_patch_index <= MY_PATCH ; my_patch_index++)) ; do
+		printf -v mangled_patch_ver "patch%02d" "${my_patch_index}"
+
+		SRC_URI+=" ${patch_url_base}/${mangled_patch_ver} -> ${MY_P}-${mangled_patch_ver}.patch"
+
+		MY_PATCHES+=( "${DISTDIR}"/${MY_P}-${mangled_patch_ver}.patch )
+	done
+
+	unset patch_url_base my_patch_index mangled_patch_ver
+fi
+
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="LGPL-2.1"
+# This is a critical package; if SONAME changes, bump subslot but also add
+# preserve-libs.eclass usage to pkg_*inst! See e.g. the readline ebuild.
+SLOT="0/6" # libmpfr.so version
+if [[ ${PV} != *_rc* ]] ; then
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+fi
+IUSE="static-libs"
+
+RDEPEND=">=dev-libs/gmp-5.0.0:=[${MULTILIB_USEDEP},static-libs?]"
+DEPEND="${RDEPEND}"
+BDEPEND="verify-sig? ( sec-keys/openpgp-keys-vincentlefevre )"
+
+PATCHES=(
+	# Apply the upstream patches released out-of-band; generated above
+	"${MY_PATCHES[@]}"
+
+	# Additional patches
+)
+
+HTML_DOCS=( doc/FAQ.html )
+
+src_unpack() {
+	use verify-sig && verify-sig_verify_detached "${DISTDIR}"/${MY_P}.tar.xz{,.asc}
+
+	# Avoid src_unpack noise from patches
+	unpack ${MY_P}.tar.xz
+}
+
+src_prepare() {
+	default
+
+	# 4.1.0_p13's patch10 patches a .texi file *and* the corresponding
+	# info file. We need to make sure the info file is newer, so the
+	# build doesn't try to run makeinfo. Won't be needed on next release.
+	#touch "${S}/doc/mpfr.info" || die
+}
+
+multilib_src_configure() {
+	# bug #476336#19
+	# Make sure mpfr doesn't go probing toolchains it shouldn't
+	ECONF_SOURCE="${S}" \
+		user_redefine_cc=yes \
+		econf $(use_enable static-libs static)
+}
+
+multilib_src_install_all() {
+	rm "${ED}"/usr/share/doc/${PF}/COPYING* || die
+
+	if ! use static-libs ; then
+		find "${ED}"/usr -name '*.la' -delete || die
+	fi
+}