Build notes

1. download fping.tar.gz (version 2.4b2_to) from http://fping.sourceforge.net/download/ 
   and copy it to /tmp/fping directory.
2. cd to /tmp/fping.
3. un-tar the files
4. run ./fping-2.4b2_to/configure to create a Makefile.
5. Change line 121 
   from 
     extern int h_errno;
   to 
     #ifndef h_errno
      extern int h_errno;
     #endif
   to avoid compiling errors.
6. tar -cvf fping.tar fping-2.4b2_to
7. gzip fping.tar to create a new fping.tar.gz
8. copy fping.tar.gz to /opt/freeware/src/packages/SOURCES/ directory
9. copy fping.spec to /opt/freeware/src/packages/SPECS/ directory
10. cd to  /opt/freeware/src/packages/SPECS 
11. run rpm -bb fping.spec