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# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cmake git-r3 toolchain-funcs
DESCRIPTION="Fast Artificial Neural Network Library"
HOMEPAGE="https://leenissen.dk"
EGIT_REPO_URI="https://github.com/libfann/fann"
LICENSE="LGPL-2.1"
SLOT="0"
IUSE="examples test"
RESTRICT="!test? ( test )"
BDEPEND="
test? ( dev-cpp/gtest )
"
PATCHES=(
"${FILESDIR}/${P}-cmake.patch"
)
src_prepare() {
cmake_src_prepare
if use !test; then
sed -i '/ADD_SUBDIRECTORY( tests )/d' CMakeLists.txt || die
fi
}
src_configure() {
local mycmakeargs=(
# https://bugs.gentoo.org/863050
-DPKGCONFIG_INSTALL_DIR="${EPREFIX}/$(get_libdir)/pkgconfig"
)
cmake_src_configure
}
src_test() {
cd examples || die 'fails to enter examples directory'
LD_LIBRARY_PATH="${BUILD_DIR}/src" GCC="$(tc-getCC) ${CFLAGS} -I../src/include -L${BUILD_DIR}/src" emake -e runtest
emake clean
}
src_install() {
cmake_src_install
if use examples; then
dodoc -r examples
docompress -x /usr/share/doc/${PF}/examples
fi
}
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