[libxfce4util-4.3.99.1] do not compile under Cygwin

[lespioupioux at free.fr]

 Hi !

I'm trying to compile libxfce4util 4.3.99.1 under cygwin, and it fail on the
following message :

 gcc -shared .libs/cygxfce4util-4.dll.def 
.libs/libxfce4util_la-libxfce4util-aliasdef.o
.libs/libxfce4util_la-libxfce4util-enum-types.o
.libs/libxfce4util_la-libxfce4util-config.o
.libs/libxfce4util_la-libxfce4util-private.o
.libs/libxfce4util_la-xfce-desktopentry.o
.libs/libxfce4util_la-xfce-fileutils.o .libs/libxfce4util_la-xfce-i18n.o
.libs/libxfce4util_la-xfce-kiosk.o .libs/libxfce4util_la-xfce-license.o
.libs/libxfce4util_la-xfce-miscutils.o .libs/libxfce4util_la-xfce-rc.o
.libs/libxfce4util_la-xfce-rc-config.o .libs/libxfce4util_la-xfce-rc-simple.o
.libs/libxfce4util_la-xfce-resource.o .libs/libxfce4util_la-xfce-utf8.o 
-L/usr/lib /usr/lib/libgobject-2.0.dll.a /usr/lib/libglib-2.0.dll.a
/usr/lib/libintl.dll.a /usr/lib/libiconv.dll.a  -Wl,-O1 -o
.libs/cygxfce4util-4.dll -Wl,--image-base=0x10000000
-Wl,--out-implib,.libs/libxfce4util.dll.a
Cannot export R: symbol not defined
Cannot export _libxfce4util_major_version: symbol not defined
Cannot export _libxfce4util_micro_version: symbol not defined
Cannot export _libxfce4util_minor_version: symbol not defined
Cannot export _xfce_builtin_license_BSD: symbol not defined
Cannot export _xfce_builtin_license_GPL: symbol not defined
Cannot export _xfce_builtin_license_LGPL: symbol not defined
Creating library file: .libs/libxfce4util.dll.a
collect2: ld returned 1 exit status

Does somebody know why ?

Jean-Edouard