Building the vmmon module.

Building for VMware Server 1.0.0.
Using 2.6.x kernel build system.
make: Entering directory `/tmp/vmware-config1/vmmon-only'
make -C /lib/modules/2.6.20-15-generic/build/include/.. SUBDIRS=$PWD SRCROOT=$PWD/. modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.20-15-generic'
  CC [M]  /tmp/vmware-config1/vmmon-only/linux/driver.o
  CC [M]  /tmp/vmware-config1/vmmon-only/linux/hostif.o
  CC [M]  /tmp/vmware-config1/vmmon-only/common/cpuid.o
  CC [M]  /tmp/vmware-config1/vmmon-only/common/hash.o
  CC [M]  /tmp/vmware-config1/vmmon-only/common/memtrack.o
  CC [M]  /tmp/vmware-config1/vmmon-only/common/phystrack.o
  CC [M]  /tmp/vmware-config1/vmmon-only/common/task.o
gcc: error trying to exec 'cc1plus': execvp: No such file or directory
make[2]: *** [/tmp/vmware-config1/vmmon-only/common/task.o] Error 1
make[1]: *** [_module_/tmp/vmware-config1/vmmon-only] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-2.6.20-15-generic'
make: *** [vmmon.ko] Error 2
make: Leaving directory `/tmp/vmware-config1/vmmon-only'
Unable to build the vmmon module.

For more information on how to troubleshoot module-related problems, please 
visit our Web site at "http://www.vmware.com/download/modules/modules.html" and
"http://www.vmware.com/support/reference/linux/prebuilt_modules_linux.html".

Execution aborted.