Hi Ian , you have helped to narrow my search but still finding it . . . Ian Lance Taylor-3 wrote: > > ankit7777 <baid4...@gmail.com> writes: > >> Problem Statement : Given a C file which has several macros defined (eg. >> #define MACRO 10) . I need to know what all macros are defined and their >> usage point(eg. line number) in the code. >> >> Need to know this information during or after gcc pre-processing phase. >> >> Possible solution may dump this macro information in some file. >> >> Is there any way that gcc can dump this information and if yes how? > > Look at the implementation of -dD and the implementation of -g3. gcc > does have this information, though it may not be in a particularly > convenient form. > > Ian > >
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