Date: Thu, 6 Nov 2014 09:13:57 -0800 From: Arthur Mesh <amesh@juniper.net> To: <toolchain@freebsd.org> Cc: marcel@freebsd.org Subject: clang and code coverage Message-ID: <20141106171357.GZ15335@juniper.net>
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Folks,
Does FreeBSD's clang support code coverage? It appears to lack necessary run
time libs:
$ uname -a
FreeBSD norse.englab.juniper.net 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r2733=
80M: Tue Oct 21 10:19:02 PDT 2014 root@norse.englab.juniper.net:/usr/ob=
j/usr/src/sys/GENERIC amd64
$ clang -v
FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
Target: x86_64-unknown-freebsd11.0
Thread model: posix
Selected GCC installation:=20
$ cat test.c
#include <stdio.h>
=20
int
main (void)
{
int i;
=20
for (i =3D 1; i < 10; i++)
{
if (i % 3 =3D=3D 0)
printf ("%d is divisible by 3\n", i);
if (i % 11 =3D=3D 0)
printf ("%d is divisible by 11\n", i);
}
=20
return 0;
}
$ clang -fprofile-arcs -ftest-coverage cov.c
/usr/bin/ld: /usr/bin/../lib/libprofile_rt.a: No such file: No such file or=
directory
clang: error: linker command failed with exit code 1 (use -v to see invocat=
ion)
FWIW, the same test work on MacOSX 10.10 clang.
Thanks
--=20
Arthur Mesh <amesh@juniper.net>
Juniper Networks
+1 408 936-4968
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