pre compiled headers

[Aldy Hernandez]

>>>>> " " ==   <harsha@vishvakannada.com> writes:

 >  I am compiling a big poject using gcc
 >  I want to create pre compiled headers automatically
 >  Now all my headers are compiling each time for each cpp file
 > can you tell me how can i specify pre compiled header file

there is no precompiled header support in gcc.

Apple has their own tree that has precompiled headers, which gives
about a 3X speed up, but it's mostly tested for x86 and powerpc.

RedHat has their own precompiled header implementation in a branch,
but i don't believe it's working.

Aldy