Compilation of xfce4-cpufreq-plugin (svn version) shows the following error:
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xfce4_cpufreq_plugin-xfce4-cpufreq-linux.o: In function `cpufreq_linux_init':
/home/jos/src/xfce4/goodies/xfce4-cpufreq-plugin/panel-plugin/xfce4-cpufreq-linux.c:401: undefined reference to `_'
collect2: ld returned 1 exit status
make[2]: *** [xfce4-cpufreq-plugin] Error 1
make[2]: Leaving directory `/home/jos/src/xfce4/goodies/xfce4-cpufreq-plugin/panel-plugin'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/jos/src/xfce4/goodies/xfce4-cpufreq-plugin'
make: *** [all] Error 2
---