# Copyright (C) Dmitry Volyntsev
# Copyright (C) NGINX, Inc.

NJS_ZLIB_LIB=
NJS_HAVE_ZLIB=NO

if [ $NJS_ZLIB = YES ]; then
    njs_found=no
    njs_feature_name=NJS_HAVE_ZLIB
    njs_feature_run=no
    njs_feature_test="#include <zlib.h>

                      int main() {
                          int       rc;
                          z_stream  z;

                          rc = deflate(&z, Z_NO_FLUSH);

                          return (rc == Z_OK) ? 0 : 1;
                      }"


    if /bin/sh -c "(pkg-config zlib --exists)" >> $NJS_AUTOCONF_ERR 2>&1; then

        # pkg-config

        njs_feature="zlib via pkg-config"
        njs_feature_incs=`pkg-config zlib --cflags | sed -n -e 's#.*-I *\([^ ][^ ]*\).*#\1#p'`
        njs_feature_libs=`pkg-config zlib --libs`

        . auto/feature
    fi

    if [ $njs_found = no ]; then

        njs_feature="zlib"
        njs_feature_libs="-lz"

        . auto/feature
    fi

    if [ $njs_found = yes ]; then
        njs_feature="zlib version"
        njs_feature_name=NJS_ZLIB_VERSION
        njs_feature_run=value
        njs_feature_test="#include <stdio.h>
                          #include <zlib.h>

                          int main() {
                              printf(\"\\\"%s\\\"\", zlibVersion());
                              return 0;
                          }"
        . auto/feature

        NJS_HAVE_ZLIB=YES
        NJS_ZLIB_LIB="$njs_feature_libs"
        NJS_LIB_INCS="$NJS_LIB_INCS $njs_feature_incs"
        NJS_LIB_AUX_LIBS="$NJS_LIB_AUX_LIBS $njs_feature_libs"
    fi
fi