Create common github call define and start using it * Makefile.in: add GITHUB_PKG_UPDATE * src/blas_switch.mk, src/double-conversion.mk, src/libffi.mk, src/libgeotiff.mk, src/libmodbus.mk, src/libproxy.mk, src/librsvg.mk, src/libsndfile.mk, src/libsodium.mk, src/libvpx.mk, src/netcdf.mk, src/of-statistics.mk, src/openblas.mk, src/opencv.mk, src/openjpeg.mk, src/openlibm.mk, src/paho-mqtt-c.mk, src/pcre2.mk, src/portaudio.mk, src/rapidjson.mk, src/rtmidi.mk, src/suitesparse.mk, src/sundials-ida.mk, src/wt.mk, src/wxwidgets.mk, src/yasm.mk, src/zeromq.mk : call GITHUB_PKG_UPDATE in update

/*
 * This file is part of MXE.
 * See index.html for further information.
 */

#include <archive.h>

int main(int argc, char *argv[])
{
    struct archive *tgz;

    (void)argc;
    (void)argv;

    tgz = archive_write_new();
    archive_write_set_compression_gzip(tgz);
    archive_write_set_format_ustar(tgz);
    archive_write_finish(tgz);

    return 0;
}