emerge gammu 0.98 failed

[jedioetzi]

emergung
[ebuild U ] net-dialup/gammu-0.98.0 [0.97.7] +bluetooth +irda +mysql +nls +ssl 0 kB

...
Making gammu/smsd/smsdcore.c
Making gammu/smsd/s_files.c
Making gammu/smsd/s_mysql.c
Making gammu/sniff.c
Making gammu/gammu.c
Linking gammu
>>> Test phase [not enabled]: net-dialup/gammu-0.98.0

>>> Install gammu-0.98.0 into /var/tmp/portage/gammu-0.98.0/image/ category net-dialup
Uninstalling Gammu
Linking libGammu.so.0.0
Linking libGammu.a
Linking gammu-shared
./gammu/smsd/s_files.o(.text+0x873): In function `SMSDFiles_FindOutboxSMS':
: undefined reference to `mywstrstr'
./gammu/gammu.o(.text+0x32dc): In function `ListMemoryCategory':
: undefined reference to `mywstrstr'
./gammu/gammu.o(.text+0x1b2b9): In function `ListToDoCategory':
: undefined reference to `mywstrstr'
./gammu/gammu.o(.text+0x255ab): In function `SearchOneEntry':
: undefined reference to `mywstrstr'
collect2: ld returned 1 exit status
make: *** [gammu/gammu-shared] Error 1

!!! ERROR: net-dialup/gammu-0.98.0 failed.
!!! Function src_install, Line 50, Exitcode 2
!!! install failed
!!! If you need support, post the topmost build error, NOT this status message.

someone have an idea (else than switch off all uses)?

thanks