>>> Unpacking source...
>>> Unpacking gwave-20051222.tar.gz to /var/tmp/portage/sci-electronics/gwave-20051222/work
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/sci-electronics/gwave-20051222/work/gwave-20051222 ...
./configure --prefix=/usr --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --build=x86_64-pc-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking for style of include used by make... GNU
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether x86_64-pc-linux-gnu-gcc accepts -g... yes
checking for x86_64-pc-linux-gnu-gcc option to accept ANSI C... none needed
checking dependency style of x86_64-pc-linux-gnu-gcc... gcc3
checking for x86_64-pc-linux-gnu-gcc... (cached) x86_64-pc-linux-gnu-gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether x86_64-pc-linux-gnu-gcc accepts -g... (cached) yes
checking for x86_64-pc-linux-gnu-gcc option to accept ANSI C... (cached) none needed
checking dependency style of x86_64-pc-linux-gnu-gcc... (cached) gcc3
checking for gawk... /bin/gawk
checking for x86_64-pc-linux-gnu-ranlib... x86_64-pc-linux-gnu-ranlib
checking whether ln -s works... yes
checking for perl... /usr/bin/perl
checking for suitable graph... no
checking for an ANSI C-conforming const... yes
checking how to run the C preprocessor... x86_64-pc-linux-gnu-gcc -E
checking for egrep... grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for working memcmp... yes
checking regex.h usability... yes
checking regex.h presence... yes
checking for regex.h... yes
checking for regcomp... yes
checking for sys/types.h... (cached) yes
checking for gtk-config... /usr/bin/gtk-config
checking for GTK - version >= 1.0.1... yes
checking for tgoto in -ltermcap... yes
checking for readline in -lreadline... yes
checking for add_history in -lreadline... yes
checking for guile... /usr/bin/guile
checking for guile-config... /usr/bin/guile-config
checking for guile-tools... /usr/bin/guile-tools
checking libguile compile flags...  -pthread
checking libguile link flags... -pthread -lguile -lltdl -L/usr/lib64 -lgmp -lcrypt -lm -lltdl
checking for scm_done_malloc in -lguile... no
checking for scm_readline in -lguile... no
checking for scm_internal_cwdr in -lguile... yes
checking for scm_internal_stack_catch in -lguile... yes
checking for scm_internal_parse_path in -lguile... no
checking for scm_make_hook in -lguile... yes
checking for scm_create_hook in -lguile... no
checking for scm_load_startup_files in -lguile... yes
checking for scm_make_smob_type_mfpe in -lguile... no
configure: error: Your guile is too old; Guile-1.6 or later is required

!!! Please attach the following file when filing a report to bugs.gentoo.org:
!!! /var/tmp/portage/sci-electronics/gwave-20051222/work/gwave-20051222/config.log

!!! ERROR: sci-electronics/gwave-20051222 failed.
Call stack:
  ebuild.sh, line 1611:   Called dyn_compile
  ebuild.sh, line 968:   Called qa_call 'src_compile'
  environment, line 3279:   Called src_compile
  gwave-20051222.ebuild, line 22:   Called econf
  ebuild.sh, line 574:   Called die

!!! econf failed
!!! If you need support, post the topmost build error, and the call stack if relevant.
!!! A complete build log is located at '/var/tmp/portage/sci-electronics/gwave-20051222/temp/build.log'.