I have just started using clang (on FreeBSD 9.1 AMD64) and encountered a
couple problems. I have worked around these points, but in case they
represent something unintentional (as opposed to some error on my part while
building from the port) I would like to mention them. I am using
FreeBSD clang version 3.1 (branches/release_31 156863) 20120523
Target: x86_64-unknown-freebsd9.0
Thread model: posix
A key element in solving both problems was the installation of gcc47. That
was unexpected since I initially installed clang under the assumption that
FBSD is moving from gcc to clang and since gcc42 doesn't support c++11.
1..
Symptom:
%> clang++ -std=c++11 -stdlib=libstdc++ refparms.c++
initListTest.cpp:43:10: fatal error: 'initializer_list' file not
found
#include <initializer_list>
I had included initializer_list.
Temporary Solution:
I built gcc47 from the port and then added the following to my
.cshrc file
alias clang11 'clang++ -std=c++11 -I/usr/local/lib/gcc47/include/c++
-I/usr/local/lib/gcc47/include/c++/x86_64-portbld- freebsd9.1'
Alternate solution, compile using g++47.
2..
Symptom:
/usr/lib/libstdc++.so.6: version GLIBCXX_3.4.14 required by
/usr/home/../binaries/a.out not found
Solution:
I added the following line to /etc/libmap.conf
libstdc++.so.6 gcc47/libstdc++.so.6
again compiling with g++47 had no such problem.
Best regards,
Alexander
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