Hi Rene, On Sun, May 08, 2016 at 01:05:47PM +0200, Rene Engelhard wrote: > Or are you implying it does work without that -isystem? > > (cowbuilder-unstable)rene@frodo:~$ g++-6 -isystem /usr/include -c test.c > In file included from test.c:1:0: > /usr/include/c++/6/cstdlib:75:25: fatal error: stdlib.h: No such file or directory > #include_next <stdlib.h> > ^ > compilation terminated. > (cowbuilder-unstable)rene@frodo:~$ g++-6 -I/usr/include -c test.c > (cowbuilder-unstable)rene@frodo:~$ g++-6 -c test.c > (cowbuilder-unstable)rene@frodo:~$ > > Hmm. Indeed.... Basically #include_next is "#include, but skip the first found file". And with -isystem /usr/include the first found stdlib.h file is /usr/include/stdlib.h (otherwise it would be i.e. /usr/include/c++/6/stdlib.h). Now, a quick Google search tells me that GCC developers closed a bug about this as WONTFIX: <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70129>. So maybe the best way for LO will be getting rid of that -isystem flag. -- Dmitry Shachnev
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