common/build-helper/numpy.sh

   1 #
   2 # numpy - build-helper for packages that compile against python3-numpy
   3 #
   4 # This build-helper makes sure packages can find python3-numpy libraries and
   5 # headers on the target architecture rather than the host, as well as making
   6 # sure the gfortran cross compiler is properly identified.
   7
   8 # Even for cross compilation, numpy should be available on the host to ensure
   9 # that the host interpreter doesn't complain about missing deps
  10 if [[ $hostmakedepends != *"python3-numpy"* ]]; then
  11         hostmakedepends+=" python3-numpy"
  12 fi
  13
  14 [ -z "$CROSS_BUILD" ] && return 0
  15
  16 if [[ $makedepends != *"python3-numpy"* ]]; then
  17         makedepends+=" python3-numpy"
  18 fi
  19
  20 # python3-setuptools finds numpy libs and headers on the host first;
  21 # adding search paths up front allows the target to take priority
  22 CFLAGS+=" -I${XBPS_CROSS_BASE}/${py3_sitelib}/numpy/_core/include"
  23 LDFLAGS+=" -L${XBPS_CROSS_BASE}/${py3_sitelib}/numpy/_core/lib"
  24 LDFLAGS+=" -L${XBPS_CROSS_BASE}/${py3_sitelib}/numpy/random/lib"
  25
  26 # distutils from python3-numpy looks to environment variables F77 and
  27 # F90 rather than the XBPS-set FC
  28 export F77="${FC}"
  29 export F90="${FC}"
  30
  31 # When compiling and linking FORTRAN, distutils from python3-numpy
  32 # refuses respect any linker name except "gfortran"; symlink to the
  33 # cross-compiler to that the right linker and compiler will be used
  34 if _gfortran=$(command -v "${FC}"); then
  35         ln -sf "${_gfortran}" "${XBPS_WRAPPERDIR}/gfortran"
  36 fi
  37 unset _gfortran
  38
  39 # Write a secondary meson cross file for numpy configuration
  40 if [[ "${build_helper}" = *meson* ]]; then
  41         _npy_meson_cross="${XBPS_WRAPPERDIR}/meson/xbps_numpy.cross"
  42         _cross_py_site="${XBPS_CROSS_BASE}/${py3_sitelib}"
  43
  44         if [ ! -e "${_npy_meson_cross}" ] || [ -n "$XBPS_BUILD_FORCEMODE" ]; then
  45                 mkdir -p "${XBPS_WRAPPERDIR}/meson"
  46                 cat > "${_npy_meson_cross}" <<-EOF
  47                         [properties]
  48                         numpy-include-dir = '${_cross_py_site}/numpy/_core/include'
  49                         pythran-include-dir = '${_cross_py_site}/pythran'
  50                         EOF
  51         fi
  52         unset _npy_meson_cross _cross_py_site
  53 fi