>>> Unpacking source...
>>> Unpacking arts-1.4.1.tar.bz2 to /var/tmp/portage/arts-3.4.1-r2/work
 * Applying arts-3.4.1-configure.patch ...                                                                                                                [ ok ]
 * Applying arts-1.3.2-alsa-bigendian.patch ...                                                                                                           [ ok ]
 * Applying arts-3.4.1-cpu-overload.patch ...                                                                                                             [ ok ]
*** automake (GNU automake) 1.7.9 found.
*** Creating acinclude.m4
make[1]: Entering directory `/var/tmp/portage/arts-3.4.1-r2/work/arts-1.4.1'
make[1]: Nothing to be done for `acinclude.m4'.
make[1]: Leaving directory `/var/tmp/portage/arts-3.4.1-r2/work/arts-1.4.1'
*** Creating list of subdirectories
*** Creating Makefile.am
*** Creating configure.files
*** Creating configure.in
*** Creating aclocal.m4
*** Creating configure
*** Creating config.h template
*** Creating Makefile templates
flow/gsl/gslmakefile.inc:43: unused variable: `gslffttest_LDFLAGS'
flow/gsl/gslmakefile.inc:39: unused variable: `gsltests_LDADD'
flow/gsl/gslmakefile.inc:36: unused variable: `gslwchunk_LDADD'
flow/gsl/gslmakefile.inc:38: unused variable: `gsltests_SOURCES'
flow/gsl/gslmakefile.inc:42: unused variable: `gslffttest_LDADD'
flow/gsl/gslmakefile.inc:40: unused variable: `gsltests_LDFLAGS'
flow/gsl/gslmakefile.inc:35: unused variable: `gslwchunk_SOURCES'
flow/gsl/gslmakefile.inc:41: unused variable: `gslffttest_SOURCES'
flow/gsl/gslmakefile.inc:37: unused variable: `gslwchunk_LDFLAGS'
*** glibc detected *** corrupted double-linked list: 0x08536080 ***
./admin/cvs.sh: line 95: 20406 Aborted                 $AUTOMAKE
make: *** [cvs] Error 1

!!! ERROR: kde-base/arts-3.4.1-r2 failed.
!!! Function src_unpack, Line 46, Exitcode 2
!!! (no error message)
!!! If you need support, post the topmost build error, NOT this status message.