commit:     804f5a2e842505c50952abbeb716aef498701bf7
Author:     orbea <orbea <AT> riseup <DOT> net>
AuthorDate: Sun Jun 19 02:56:25 2022 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Mon Jun 20 02:03:26 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=804f5a2e

dev-libs/ntl: Fix build with rlibtool + remove USE

The build fails with rlibtool because the generated libtool is in the
libtool-build directory. The easiest way to work around this is to
symlink it in place.

The bindist USE flag controls the NATIVE argument for ntl's DoConfig
which enables or disables -march=native. The user should set -march
flags on their own and not the build system.

Bug: https://bugs.gentoo.org/780534
Signed-off-by: orbea <orbea <AT> riseup.net>
Closes: https://github.com/gentoo/gentoo/pull/25967
Signed-off-by: Sam James <sam <AT> gentoo.org>

 dev-libs/ntl/ntl-11.5.1-r2.ebuild | 80 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)

diff --git a/dev-libs/ntl/ntl-11.5.1-r2.ebuild 
b/dev-libs/ntl/ntl-11.5.1-r2.ebuild
new file mode 100644
index 000000000000..fd3a3c4dcc5d
--- /dev/null
+++ b/dev-libs/ntl/ntl-11.5.1-r2.ebuild
@@ -0,0 +1,80 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit toolchain-funcs gnuconfig
+
+DESCRIPTION="High-performance and portable C++ number theory library"
+HOMEPAGE="https://www.shoup.net/ntl/ https://github.com/libntl/ntl";
+SRC_URI="https://www.shoup.net/ntl/${P}.tar.gz";
+
+LICENSE="LGPL-2.1+"
+SLOT="0/44"
+KEYWORDS="~amd64 ~arm64 ~ppc ~riscv ~x86 ~amd64-linux ~x86-linux ~ppc-macos 
~x64-macos"
+IUSE="doc static-libs threads cpu_flags_x86_avx2"
+
+BDEPEND="dev-lang/perl"
+DEPEND="dev-libs/gmp:0=
+       dev-libs/gf2x
+       threads? ( >=dev-libs/gf2x-1.2 )"
+RDEPEND="${DEPEND}"
+
+S="${WORKDIR}/${P}/src"
+
+DOCS=( "${WORKDIR}/${P}"/README )
+
+src_unpack() {
+       default
+       gnuconfig_update "${S}/libtool-origin/"
+}
+
+src_configure() {
+       # The DoConfig script builds its own libtool, but doesn't
+       # really try to set up the build environment (bug 718892).
+       export CC="$(tc-getCC)"
+       export CXX="$(tc-getCXX)"
+
+       # Currently the build system can build a static library or both
+       # static and shared libraries, but not only shared libraries. The
+       # name NTL_GMP_LIP is *not* a typo.
+       perl DoConfig \
+               PREFIX="${EPREFIX}"/usr \
+               LIBDIR="${EPREFIX}"/usr/$(get_libdir) \
+               CXXFLAGS="${CXXFLAGS}" \
+               CPPFLAGS="${CPPFLAGS}" \
+               LDFLAGS="${LDFLAGS}" \
+               CXX="$(tc-getCXX)" \
+               AR="$(tc-getAR)" \
+               RANLIB="$(tc-getRANLIB)" \
+               SHARED=on \
+               NTL_GMP_LIP=on \
+               NTL_GF2X_LIB=on \
+               NTL_THREADS=$(usex threads on off) \
+               NTL_ENABLE_AVX_FFT=$(usex cpu_flags_x86_avx2 on off) \
+               NATIVE=off \
+               || die "DoConfig failed"
+
+       if use doc; then
+               DOCS+=( "${WORKDIR}/${P}"/doc/*.txt )
+               HTML_DOCS=( "${WORKDIR}/${P}"/doc/*.html 
"${WORKDIR}/${P}"/doc/*.gif )
+       fi
+
+       # 780534 - Required for rlibtool so it can find the generated libtool
+       ln -sf libtool-build/libtool . || die
+}
+
+src_install() {
+       default
+
+       if ! use static-libs; then
+               # bug #775884
+               find "${ED}" -name '*.la' -delete || die
+
+               # Use rm -f because the static archive may not be created when
+               # using (for example) slibtool-shared.
+               rm -f "${ED}/usr/$(get_libdir)"/libntl.a || die
+       fi
+
+       rm -r "${ED}"/usr/share/doc/NTL || die
+}

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