On 01 Sep 2016, at 20:39, Ben Lavery <ben.lav...@hashbang0.com> wrote: ... > In file included from /root/bunnysay/work/bunnysay-1.0/src/BunnySay.cpp:22:0: > /root/bunnysay/work/bunnysay-1.0/src/BunnySay.h:33:19: fatal error: codecvt: > No such file or directory > #include <codecvt> ... > On the submission (https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212278) > CPM has said of the issue "Second it seems that codecvt is missing, so it > needs libc++ support" - but I'm not sure how to add this. I've tried adding > the following which I found in multiple threads on the forums, but to no > avail: > > CC=clang > CXX=clang++ > CPP=clang-cpp > WITH_LIBCPLUSPLUS=yes
Putting this in your make.conf, then rebuilding world and installing it, will install libc++ headers and libraries into your base system. That is step one. Step two is to add -stdlib=libc++ to your clang command line. On 9.x and earlier, clang uses libstdc++ by default, so you have to actively tell it to use libc++. > I *think* this is because clang is too old on FreeBSD 9.3? FreeBSD 9.3 has clang 3.4.1, which should be new enough, but libc++ is not installed by default. > But I'm not sure if I can/should reference a newer version from ports (and > how to go about this in the proper way), and how to make this apply to > FreeBSD 9.x only as it works fine "as is" on FreeBSD 10. You could make it depend on the devel/libc++ port, as some other ports do. -Dimitry
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