The auto testers use gcc (4.2.1, I just checked all 3 machines). I've
never seen the entire test suite pass with clang, though it's been quite
a while since I tried clang, maybe it's gotten better.
On 11/1/2014 4:56 AM, Jacob Carlborg via dmd-internals wrote:
Which compiler is used to compile DMD on OS X, is it Clang or GCC? I was under
the impression that it's GCC that is supposed to be used. But looks like it's
Clang, because I found a test case (see below) that passes if DMD is compiled
with Clang but fails when it's compiled with GCC.
The reason why I'm asking is that the make file explicitly says "g++", yes I
know that g++ points to Clang. I have also created a pull request that switch from g++ to
clang++, but that was reverted because of some failing tests. Because of that, I've made
sure that my g++ actually points to GCC and not Clang.
Here is the test case, it's a test extracted from "test/runnable/interpret.d"
in the DMD test suite:
import std.stdio;
void test113()
{
import core.math;
static void compare(real a, real b)
{
writefln("compare(%30.30f, %30.30f);", a, b);
assert(fabs(a - b) < 128*real.epsilon);
}
static if(__traits(compiles, (){enum real ctval4 = yl2xp1(3.14, 1);}))
{
enum real ctval4 = yl2xp1(3.14, 1);
real rtval4 = yl2xp1(3.14, 1);
compare(ctval4, rtval4);
}
}
void main ()
{
test113();
}
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