On 14 Jul 2015 15:21, Dilyan Palauzov wrote: > Hello Andreas, > > clang-3.6 t.c -Wp,--help > > prints: > > USAGE: clang -cc1 [options] > > OPTIONS: > > -iquote Add directory to QUOTE include search path > > [with t.c: #include > int main (int argc, char** argv) {printf("abc\n"); return 0;}] are you going to verify every system/compiler for us ? off hand, people routinely build on AIX too. -mike