emerge logwatch

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild  N    ] net-libs/liblockfile-1.06  0 kB
[ebuild  N    ] mail-client/mailx-8.1.2.20040524-r1  0 kB
[ebuild  N    ] dev-perl/Tie-IxHash-1.21-r1  USE="perl -minimal" 6 kB
[ebuild  N    ] sys-apps/logwatch-6.0.2  149 kB

Total size of downloads: 156 kB

Would you like to merge these packages? [Yes/No] y

>>> Emerging (1 of 4) net-libs/liblockfile-1.06 to /
>>> checking ebuild checksums ;-)
>>> checking auxfile checksums ;-)
>>> checking miscfile checksums ;-)
>>> checking liblockfile_1.06.tar.gz ;-)
>>> Unpacking source...
>>> Unpacking liblockfile_1.06.tar.gz to /var/tmp/portage/liblockfile-1.06/work
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/liblockfile-1.06/work/liblockfile-1.06 ...
./configure --prefix=/usr --host=i686-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --with-mailgroup=mail --enable-shared --build=i686-pc-linux-gnu
creating cache ./config.cache
checking for gcc... gcc
checking whether the C compiler (gcc -march=athlon-xp -O2 -fomit-frame-pointer -pipe -Wl,-O1 -Wl,--sort-common -s) works... yes
checking whether the C compiler (gcc -march=athlon-xp -O2 -fomit-frame-pointer -pipe -Wl,-O1 -Wl,--sort-common -s) is a cross-compiler... no
checking whether we are using GNU C... yes
checking whether gcc accepts -g... yes
checking build shared libs... yes
checking build libnfslock... no
checking for ldconfig... /sbin/ldconfig
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for getopt.h... yes
checking for paths.h... yes
checking for sys/param.h... yes
checking for utime... yes
checking for utimes... yes
updating cache ./config.cache
creating ./config.status
creating ./Makefile
creating ./maillock.h
creating autoconf.h
gcc -march=athlon-xp -O2 -fomit-frame-pointer -pipe -Wall -D_GNU_SOURCE -fPIC -D_REENTRANT -I. -DLIB -DLOCKPROG=\"/usr/bin/dotlockfile\" \
                -c lockfile.c
gcc -march=athlon-xp -O2 -fomit-frame-pointer -pipe -Wall -D_GNU_SOURCE -fPIC -D_REENTRANT -I.   -c -o dotlockfile.o dotlockfile.c
lockfile.c:58: error: conflicting types for 'eaccess'
/usr/include/unistd.h:266: error: previous declaration of 'eaccess' was here
make: *** [lockfile.o] Error 1
make: *** Waiting for unfinished jobs....
dotlockfile.c:45: error: conflicting types for 'eaccess'
/usr/include/unistd.h:266: error: previous declaration of 'eaccess' was here
make: *** [dotlockfile.o] Error 1

!!! ERROR: net-libs/liblockfile-1.06 failed.
Call stack:
  ebuild.sh, line 1545:   Called dyn_compile
  ebuild.sh, line 940:   Called src_compile
  liblockfile-1.06.ebuild, line 22:   Called die

!!! (no error message)
!!! If you need support, post the topmost build error, and the call stack if relevant.