/show include equivalent option in g++

Question

I see that VC++ includes an option called /show include to list you the hierarchy of include files in each translation unit. This seems to be a very helpful option - to optimise/improve the compilation time in a large scale project.

Question
Is there any equivalent option in GNU g++ compiler to get these (similar output)?

See (for GCC 11.2.0) the command line options manual — https://gcc.gnu.org/onlinedocs/gcc-11.2.0/gcc/#toc-GCC-Command-Options — Jonathan Leffler, Jul 18 '22 at 16:44

score 16 · Answer 1 · edited Feb 15 '14 at 02:41

16

gcc -H

will print the names of header files as they are used.

edited Feb 15 '14 at 02:41

Brent Bradburn

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answered Sep 03 '13 at 13:07

Bulletmagnet

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score 8 · Accepted Answer · answered Dec 18 '10 at 17:06

There's a variety of options for controlling this.

-MD will list files, -MMD will list non-system files as side effects of compilation

-M, -MM will generate lists instead of compiling.

-MQ, -MG, -MP and -MT generate makefile target fragments. -MF allows you to specify an output filename.

/show include equivalent option in g++

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