% uname -a
FreeBSD cobalt 9.2-RC3 FreeBSD 9.2-RC3 #0 r254795: Sat Aug 24 20:25:04 UTC 2013
[email protected]:/usr/obj/usr/src/sys/GENERIC amd64
% clang++ --version
FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610
Target: x86_64-unknown-freebsd9.2
Thread model: posix
test program
#include <iostream>
#include <future>
int main( int argc, char* argv[])
{
auto f = std::async( [] () {
std::cout << "Hello, World!" << std::endl;
});
f.wait();
return 0;
}
error received is
% clang++ -otest test.cc
test.cc:2:10: fatal error: 'future' file not found
#include <future>
^
1 error generated.
I guess clang is re-using system headers which belong to older gcc 4.2
I also have gcc48 installed, how can I make clang to refer gcc48 headers?
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