I got these console output while compilation via GCC.
Building CXX object xxxxxxx.cpp.obj
What are the .cpp.obj files? Are they the object file? Do the same as the .o file?
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JustWe
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How exactly are you building? – dbush Nov 05 '20 at 00:06
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@dbush Hi, the makefile is generated from cmake, shall I do the cmake tag? – JustWe Nov 05 '20 at 00:14
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@ColonelThirtyTwo if .obj is the object file. – JustWe Nov 05 '20 at 00:18
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@JustWe It is. `obj` is short for object. You may also see `.o`. – Colonel Thirty Two Nov 05 '20 at 00:19
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Use [file](https://linux.die.net/man/1/file) to determine file type. – KamilCuk Nov 05 '20 at 00:23
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@KamilCuk `xxxxx.c.obj: ELF 32-bit LSB relocatable, ARM, EABI5 version 1 (SYSV), with debug_info, not stripped` – JustWe Nov 05 '20 at 00:25
1 Answers
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What is .c.obj / .cpp.obj file?
Object files created from compiling .c and .cpp files respectively.
What are the .cpp.obj files?
See above.
Are they the object file?
Yes.
Do the same as the .o file?
Yes.
Note that "extension" is just part of a filename and is customizable. You can name your file anything you want you want, it will not affect the content. In cmake see CMAKE_C_OUTPUT_EXTENSION.
KamilCuk
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