Re: help? compile error cygwin 1.7, multiple definition

[Dave Korn <dave dot korn dot cygwin at googlemail dot com>]

Larry Hall (Cygwin) wrote:
> Ian Kelling wrote:

>> /usr/bin/g++ -g -O2 -o src/mpd.exe  src_mpd-input_stream.o (... about
>> a page of other .o files ....) -Wl,--enable-auto-import -lm  -lFLAC
>> -lm -lgthread-2.0 -lglib-2.0 -lintl -liconv
>>
>> I added "-Wl,--enable-auto-import" which removes some other messages
>> which don't seem to be the primary problem. Here is the output:
>>
>> src_mpd-file_input_plugin.o: In function `g_bit_nth_lsf':
>> /usr/include/glib-2.0/glib/gutils.h:277: multiple definition of
>> `_g_bit_nth_lsf'
>> src_mpd-input_stream.o:/usr/include/glib-2.0/glib/gutils.h:277: first
>> defined here
>> src_mpd-file_input_plugin.o: In function `g_bit_nth_msf':
>> /usr/include/glib-2.0/glib/gutils.h:290: multiple definition of
>> `_g_bit_nth_msf'
>> src_mpd-input_stream.o:/usr/include/glib-2.0/glib/gutils.h:290: first
>> defined here
> 
> This sounds allot like this bug to me:
> 
> <https://bugzilla.redhat.com/show_bug.cgi?id=428865>
> 
> Since Cygwin's glib2 is only at 2.10.3, you'll either need to wait for
> an update of this package or build a newer one yourself.

  Hack: in /usr/include/glib-2.0/glib/gutils.h, at this point:

    99  #elif defined (__GNUC__)
   100  #  define G_INLINE_FUNC extern inline
   101  #elif defined (G_CAN_INLINE)

delete 'extern' from line 100.  (Then rebuild from clean.)

    cheers,
      DaveK


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