On Monday 2008-12-29 03:03, Eric Liang wrote: >> >>> It looks like that the file<memory> includes the >>> file<c++/4.3/backward/auto_ptr.h>.But when I open the file<features.h> >>> which is included in file<memory>,there is a mass of macros and files in >>> it.It's too difficult for me to continue the search... >>> >>> So here is the question:what the path is from memory.h to >>> auto_ptr.h? or what can I do to find it? >> >> echo '#include <memory>' | g++ -E - >> >> and watch the #line lines as they essentially form a tree. > >Thanks Jan, but after running the command, I've got these as follows: > ># 1 "<stdin>" ># 1 "<built-in>" ># 1 "<command-line>" ># 1 "<stdin>" ><stdin>:1:18: error: memory: No such file or directory > >So, what can I do next? Ah whoops, seems like you need to explicitly specify C++ mode with -E: echo ... | g++ -x c++ -E -
