On Jan 17, 2016, at 6:22 PM, Paolo Bonzini wrote: > > > On 17/01/2016 23:23, Programmingkid wrote: >> When compiling under Xcode, the program does compile and run. It prints "GCC >> version = 4.2.1". >> >> When I try to compile it under gcc 4.2.1 using just the terminal, I see this >> error message: >> main.cpp: In function ‘int main(int, char* const*)’: >> main.cpp:6: error: size of array ‘control’ is not an integral >> constant-expression >> >> Why there is a difference between XCode and the terminal I have no idea. >> >> When compiling it under gcc 4.9.2, it compiles and runs without problem. >> >> I have set the configure option for cc to gcc-4.9 with this "-cc=gcc-4.9". >> So the error message makes me believe that the wrong compiler is being used. >> >> This is the full configure command options I used: >> ./configure --cxx=gcc-4.9 --cc=gcc-4.9 --objcc=gcc-4.9 --disable-gtk >> --disable-sdl --target-list=ppc-softmmu,i386-softmmu >> >> Any insight as to what could be wrong? > > What's the definition of the CMSG_SPACE macro under OS X? > > Paolo
#define CMSG_SPACE(l) (__DARWIN_ALIGN32(sizeof(struct cmsghdr)) + __DARWIN_ALIGN32(l)) Hope this helps.
