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Date: Tue, 02 Oct 2012 11:12:57 +0200
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Cc: stable@freebsd.org
Subject: Re: Missing lib on linking libc WITH_LIBCPLUSPLUS
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On 2012-10-02 09:53, Volodymyr Kostyrko wrote:
> When enabling WITH_LIBCPLUSPLUS libc build fails with:
>
> /usr/local/libexec/ccache/clang++  -O2 -pipe -march=native
> -I/usr/src/lib/libc++/../../contrib/libc++/include
> -I/usr/src/lib/libc++/../../contrib/libcxxrt -nostdlib -DLIBCXXRT
> -Qunused-arguments -fstack-protector -Wno-empty-body
> -Wno-string-plus-int -Wno-tautological-compare -Wno-unused-value
> -Wno-parentheses-equality -Wno-unused-function -Wno-conversion
> -Wno-switch -Wno-switch-enum -Wno-parentheses -std=c++0x -c
> cxxrt_guard.cc -o cxxrt_guard.o
> building shared library libc++.so.1
> FreeBSD clang version 3.1 (branches/release_31 156863) 20120523
> Target: x86_64-unknown-freebsd9.0
> Thread model: posix
>    "/usr/bin/ld" --eh-frame-hdr -Bshareable -o libc++.so.1
> /usr/lib/crti.o /usr/lib/crtbeginS.o -L/usr/lib -x --fatal-warnings
> --warn-shared-textrel -soname libc++.so.1 valarray.So utility.So
> typeinfo.So strstream.So regex.So random.So iostream.So debug.So
> chrono.So bind.So algorithm.So hash.So thread.So future.So exception.So
> locale.So mutex.So memory.So ios.So condition_variable.So
> system_error.So string.So stdexcept.So new.So -lcxxrt -lgcc --as-needed
> -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed
> /usr/lib/crtendS.o /usr/lib/crtn.o
> /usr/bin/ld: cannot find -lcxxrt
> clang: error: linker command failed with exit code 1 (use -v to see
> invocation)
>
> This lib was already built:
>
> # find /usr/obj -name libcxxrt.so
> /usr/obj/usr/src/tmp/usr/lib/libcxxrt.so
> /usr/obj/usr/src/lib/libcxxrt/libcxxrt.so
>
> But this error is only fixed after:
>
> # cd /usr/src/lib/libcxxrt ; make install

Are you getting this error as part of buildworld, or when you build
libc++ by hand?

Also, an obvious question is: does it work when you disable ccache?