gcc -B/usr/ccs/bin/ -c   -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O   -DVERSION=\"3.14\" -DXS_VERSION=\"3.14\" -fPIC "-I/usr/local/lib/perl5/5.8.0/sun4-solaris/CORE"   Cwd.c
In file included from /usr/local/lib/perl5/5.8.0/sun4-solaris/CORE/perl.h:2686,
                 from Cwd.xs:2:
/usr/local/lib/gcc-lib/sparc-sun-solaris2.8/3.2.2/include/math.h:25:26: iso/math_iso.h: No such file or directory
make: *** [Cwd.o] Error 1