# Template file for 'python3-numpy'
pkgname=python3-numpy
version=1.20.3
revision=1
wrksrc="numpy-${version}"
build_style=python3-module
hostmakedepends="python3-setuptools python3-Cython gcc-fortran"
makedepends="python3-devel
 $(vopt_if openblas 'openblas-devel' 'lapack-devel cblas-devel')"
depends="python3-setuptools"
short_desc="Fast and sophisticated array facility to Python3"
maintainer="Andrew J. Hesford <ajh@sideband.org>"
license="BSD-3-Clause"
homepage="https://www.numpy.org/"
distfiles="https://github.com/numpy/numpy/archive/v${version}.tar.gz"
checksum=6fd345c309cf0e51269dd061c80f6db8bcb68b217e6e3792d11e3473535d7304
alternatives="numpy:f2py:/usr/bin/f2py3"
# Tests do not function propery in a build directory
make_check="no"

build_options="openblas"

case "$XBPS_TARGET_MACHINE" in
	x86_64*|i686*|aarch64*|armv[67]*|ppc64*)
		# Prefer accelerated routines where available
		build_options_default="openblas"
		;;
	*) ;;
esac

if [ "$build_option_openblas" ]; then
	case "$XBPS_TARGET_MACHINE" in
		ppc64*) ;;
		ppc*) broken="segfaults";;
	esac
fi

post_patch() {
	case "${XBPS_TARGET_MACHINE}" in
		armv5tel-musl)
			cp "${FILESDIR}/fenv-constants.h" numpy/core/src/npymath/
			patch -Np0 -i "${FILESDIR}/fenv-constants.patch"
			;;
	esac

	if [ "$XBPS_TARGET_LIBC" = musl ] ; then
		vsed -i 's|"backtrace",||' numpy/core/setup_common.py
	fi

	if [ "$XBPS_WORDSIZE" != "$XBPS_TARGET_WORDSIZE" ]; then
		# When host/target word sizes disagree, this $werror header
		# triggers -Werror failures about redefining SIZEOF_OFF_T from
		# the wrong host size to the correct target size
		vsed -e 's/\$werror//' -i numpy/core/src/_simd/_simd.dispatch.c.src
	fi
}

pre_build() {
	# Build numpy in parallel
	make_build_args+=" ${makejobs}"

	# Find the right linear algebra subroutines on the target arch
	: > site.cfg
	for _blaslib in $(vopt_if openblas openblas "lapack blas"); do
		cat >> site.cfg <<-EOF
		[$_blaslib]
		libraries = ${_blaslib}
		include_dirs = ${XBPS_CROSS_BASE}/usr/include
		library_dirs = ${XBPS_CROSS_BASE}/usr/lib
		runtime_library_dirs = ${XBPS_CROSS_BASE}/usr/lib
		EOF
	done
}

post_install() {
	# create compat symlinks for .h files
	vmkdir ${py3_inc}
	ln -sfr ${DESTDIR}/${py3_sitelib}/numpy/core/include/numpy \
		${DESTDIR}/${py3_inc}

	rm -f ${DESTDIR}/usr/bin/f2py

	rm -f ${DESTDIR}/usr/lib/python*/site-packages/numpy/LICENSE.txt
	vlicense LICENSE.txt LICENSE
}