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simple Header question

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Started by sfx81 January 06, 2009 08:14 AM

1 comment, last by SiCrane 15 years, 3 months ago

sfx81

131

Author

January 06, 2009 08:14 AM

Hi, I usually include all the header files in my project into a single header file and use it in all the places. something like this MainHeader.H --------------------- #ifndef HEADERS_H #define HEADERS_H #include <string.h> #include "MyFileHeader0.h" #include "MyFileHeader1.h" #include "MyFileHeaderN.h" #endif //HEADERS_H ------------------- then I use this MainHeader.h in all the *.cpp files like in "MyFileHeader0.cpp" etc. What I am asking is what kind of cons and pros this technique has and what is it called (if this thing has any name ?). Any help will be appreciated. Regards Kazz

phresnel

953

January 06, 2009 08:19 AM

With support for precompiled headers this will generally speed up compilation.
Without support for precompiled headers this will generally slow down compilation.

gcc and msvcpp have support for it, probably edg based compilers, too. Maybe more.

edit: Consult your compiler's handbook for that topic, as exact usage differs from compiler to compiler.