cmake: reducing unnecessary rebuilds

[Brad King]

David Faure wrote:
> On Thursday 23 February 2006 15:57, Brad King wrote:
>>With VERBOSE makefiles or by running "make VERBOSE=1" CMake prints 
>>information about what the dependency scanning is doing.  The output 
>>looks like
>>
>>Dependee "/some/header.h" is newer than depender "some/object.o"
> 
> make VERBOSE=1 doesn't show such information for me (even after unaliasing "make", i.e. using /usr/bin/make)

CMake checks for the environment variable "VERBOSE" to enable this 
output.  Perhaps your make is not setting the make variables as 
environment variables (?).  Try this instead:

VERBOSE=1 make

or the equivalent for your shell.

-Brad