       You can copy out the numpy/core/lib/npy-pkg-config directory, add a
        pkgdir value to the .ini files and set NPY_PKG_CONFIG_PATH environment
        variable to point to the directory with the modified npy-pkg-config
        files.

        Example npymath.ini modified for cross-compilation::

            [meta]
            Name=npymath
            Description=Portable, core math library implementing C99 standard
            Version=0.1

            [variables]
            pkgname=numpy.core
            pkgdir=/build/arm-linux-gnueabi/sysroot/usr/lib/python3.7/site-packages/numpy/core
            prefix=${pkgdir}
            libdir=${prefix}/lib
            includedir=${prefix}/include

            [default]
            Libs=-L${libdir} -lnpymath
            Cflags=-I${includedir}
            Requires=mlib

            [msvc]
            Libs=/LIBPATH:${libdir} npymath.lib
            Cflags=/INCLUDE:${includedir}
            Requires=mlib

        N)