ali hagigat <hagigatali@xxxxxxxxx> writes: > When fixincludes is executed? Is it executed when installing gcc ONLY? fixincludes is executed when building gcc. The "fixed" header files are installed when you run "make install". > What is "include_next" directive in the section of 3.14 of gcc manual? http://gcc.gnu.org/onlinedocs/cpp/Wrapper-Headers.html Ian