anglepoise:~/hg/xorp-olsr/libxorp % jam
...found 380 target(s)...
...using 41 temp target(s)...
...updating 2 target(s)...
Cc random.o
cc1: warnings being treated as errors
random.c: In function ‘xorp_srandomdev’:
random.c:386: warning: ‘junk_seed[1]’ is used uninitialized in this function

gcc -c -o random.o -g -Werror -W -Wall -Wwrite-strings -Wbad-function-cast
-Wmissing-prototypes -Wcast-qual -Wmissing-declarations -Wpointer-arith
-Wcast-align -Wstrict-prototypes -Wnested-externs -pipe -O  -I. -I. -I..
random.c

...failed Cc random.o ...
...skipped libxorp.a for lack of libxorp.a(random.o)...
...failed updating 1 target(s)...
...skipped 1 target(s)...
Exit 1
anglepoise:~/hg/xorp-olsr/libxorp % gcc -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: /var/tmp/portage/sys-devel/gcc-4.1.2/work/gcc-4.1.2/configure
--prefix=/usr --bindir=/usr/i686-pc-linux-gnu/gcc-bin/4.1.2
--includedir=/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/include
--datadir=/usr/share/gcc-data/i686-pc-linux-gnu/4.1.2
--mandir=/usr/share/gcc-data/i686-pc-linux-gnu/4.1.2/man
--infodir=/usr/share/gcc-data/i686-pc-linux-gnu/4.1.2/info
--with-gxx-include-dir=/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/include/g++-v4
--host=i686-pc-linux-gnu --build=i686-pc-linux-gnu --disable-altivec
--enable-nls --without-included-gettext --with-system-zlib --disable-checking
--disable-werror --enable-secureplt --disable-libunwind-exceptions
--disable-multilib --enable-libmudflap --disable-libssp --disable-libgcj
--enable-languages=c,c++,fortran --enable-shared --enable-threads=posix
--enable-__cxa_atexit --enable-clocale=gnu
Thread model: posix
gcc version 4.1.2 (Gentoo 4.1.2)