diff --git a/auto/lib/conf b/auto/lib/conf
index f52c904..edb15bc 100644
--- a/auto/lib/conf
+++ b/auto/lib/conf
@@ -67,6 +67,9 @@
     . auto/lib/perl/conf
 fi
 
+if [ $HTTP_GEOIP = YES ]; then
+    . auto/lib/geoip/conf
+fi
 if [ $NGX_GOOGLE_PERFTOOLS = YES ]; then
     . auto/lib/google-perftools/conf
 fi
diff --git a/auto/lib/geoip/conf b/auto/lib/geoip/conf
new file mode 100644
index 0000000..5647e91
--- /dev/null
+++ b/auto/lib/geoip/conf
@@ -0,0 +1,78 @@
+
+# Copyright (C) Igor Sysoev
+
+
+    ngx_feature="GeoIP library"
+    ngx_feature_name=
+    ngx_feature_run=no
+    ngx_feature_incs=
+    ngx_feature_path=
+    ngx_feature_libs="-lGeoIP"
+    ngx_feature_test="GeoIP_open(NULL, 0)"
+    . auto/feature
+
+
+if [ $ngx_found = no ]; then
+
+    # FreeBSD port
+
+    ngx_feature="GeoIP library in /usr/local/"
+
+    if [ $NGX_RPATH = YES ]; then
+        ngx_feature_libs="-R/usr/local/lib -L/usr/local/lib -lGeoIP"
+    else
+        ngx_feature_libs="-L/usr/local/lib -lGeoIP"
+    fi
+
+    . auto/feature
+fi
+
+
+if [ $ngx_found = no ]; then
+
+    # NetBSD port
+
+    ngx_feature="GeoIP library in /usr/pkg/"
+    ngx_feature_path="/usr/pkg/include/"
+
+    if [ $NGX_RPATH = YES ]; then
+        ngx_feature_libs="-R/usr/pkg/lib -L/usr/pkg/lib -lGeoIP"
+    else
+        ngx_feature_libs="-L/usr/pkg/lib -lGeoIP"
+    fi
+
+    . auto/feature
+fi
+
+
+if [ $ngx_found = no ]; then
+
+    # MacPorts
+
+    ngx_feature="GeoIP library in /opt/local/"
+    ngx_feature_path="/opt/local/include"
+
+    if [ $NGX_RPATH = YES ]; then
+        ngx_feature_libs="-R/opt/local/lib -L/opt/local/lib -lGeoIP"
+    else
+        ngx_feature_libs="-L/opt/local/lib -lGeoIP"
+    fi
+
+    . auto/feature
+fi
+
+
+if [ $ngx_found = yes ]; then
+    CORE_LIBS="$CORE_LIBS $ngx_feature_libs"
+
+else
+
+cat << END
+
+$0: error: the GeoIP module requires the GeoIP library.
+You can either do not enable the module or install the library.
+
+END
+
+    exit 1
+fi