+[with_libvarnish="use_pkgconfig"])
+
+# configure using pkg-config
+if test "x$with_libvarnish" = "xuse_pkgconfig"
+then
+ if test "x$PKG_CONFIG" = "x"
+ then
+ with_libvarnish="no (Don't have pkg-config)"
+ fi
+fi
+if test "x$with_libvarnish" = "xuse_pkgconfig"
+then
+ AC_MSG_NOTICE([Checking for varnishapi using $PKG_CONFIG])
+ $PKG_CONFIG --exists 'varnishapi' 2>/dev/null
+ if test $? -ne 0
+ then
+ with_libvarnish="no (pkg-config doesn't know library)"
+ fi
+fi
+if test "x$with_libvarnish" = "xuse_pkgconfig"
+then
+ with_libvarnish_cflags="`$PKG_CONFIG --cflags 'varnishapi'`"
+ if test $? -ne 0
+ then
+ with_libvarnish="no ($PKG_CONFIG failed)"
+ fi
+ with_libvarnish_libs="`$PKG_CONFIG --libs 'varnishapi'`"
+ if test $? -ne 0
+ then
+ with_libvarnish="no ($PKG_CONFIG failed)"
+ fi
+fi
+if test "x$with_libvarnish" = "xuse_pkgconfig"
+then