On Dec 4, 2007 5:23 AM, mahmoodn <nt_mahmood@xxxxxxxxx> wrote: > > > Did you read the manual Section "Using Precompiled Headers" ? > if you mean http://gcc.gnu.org/onlinedocs/gcc/Precompiled-Headers.html, I > have not yet found anything related to that I said. > > I am not expert in compiler and its options so, maybe I did not understand > exactly what it said. I think Andrew was referring to reducing compilation times by using precompiled headers. Since headers tend to be more stable than implementation code, such use will reduce recompilation time. As far as removing unneeded headers, as far as I know that is a manual, trial-and-error job that no one has as yet automated (but it should be fairly easy to make a housekeeping script to do that). Try commenting out header include lines one at a time and test for successful compilation. -Tom Tom Browder Niceville, Florida USA
