Checking if your kit is complete...
Looks good
Writing Makefile for Passwd::Linux
cp Linux.pm blib/lib/Passwd/Linux.pm
/export/home/cpanrun/build/5.6.1/bin/perl -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi -I/export/home/cpanrun/build/5.6.1/lib/5.6.1 /export/home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp  -typemap /export/home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/typemap Linux.xs > Linux.xsc && mv Linux.xsc Linux.c
Please specify prototyping behavior for Linux.xs (see perlxs manual)
gcc -c -I. -DUSE_REENTRANT_API -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O   -DVERSION=\"1.2\" -DXS_VERSION=\"1.2\" -fPIC -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi/CORE  Linux.c
Running Mkbootstrap for Passwd::Linux ()
chmod 644 Linux.bs
rm -f blib/arch/auto/Passwd/Linux/Linux.so
LD_RUN_PATH="" gcc  -G Linux.o  -o blib/arch/auto/Passwd/Linux/Linux.so     
chmod 755 blib/arch/auto/Passwd/Linux/Linux.so
cp Linux.bs blib/arch/auto/Passwd/Linux/Linux.bs
chmod 644 blib/arch/auto/Passwd/Linux/Linux.bs
Manifying blib/man3/Passwd::Linux.3
PERL_DL_NONLAZY=1 /export/home/cpanrun/build/5.6.1/bin/perl -Iblib/arch -Iblib/lib -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi -I/export/home/cpanrun/build/5.6.1/lib/5.6.1 test.pl
1..5
ok 1
Couldn't get lock on password files (are you root?) at test.pl line 33
make: *** [test_dynamic] Error 255