C:\> REM cl and gcc not in my path

C:\> which cl
'cl' not found.

C:\> which gcc
'gcc' not found.

C:\> perl -V:cc
cc='cl';

C:\> REM append gcc directory to path

C:\> path %PATH%;c:\Dev-Cpp\bin

C:\> which gcc
c:\Dev-Cpp\bin\gcc.exe

C:\> perl -V:cc
Set up gcc environment - 3.4.2 (mingw-special)
cc='c:/Dev-Cpp/bin/gcc.exe';

C:\> REM prepend cl directory to path

C:\> path C:\Program Files\Microsoft Visual Studio 8\VC\bin;%PATH%

C:\> which cl
C:\Program Files\Microsoft Visual Studio 8\VC\bin\cl.exe

C:\> perl -V:cc
cc='cl';