Compile error while building world

[Dimitry Andric]

On 28 Dec 2016, at 23:47, Jack Raats <jack at jarasoft.net> wrote:
> 
> At this moment I’ll get the following error while compiling buildworld
> 
> 
> 
> --- clang-tblgen.full ---
> 
> c++ -O2 -pipe -I/usr/obj/usr/src/tmp/usr/src/lib/clang/libllvm -I/usr/src/lib/clang/include -I/usr/src/contrib/llvm/include -DLLVM_ON_UNIX -DLLVM_ON_FREEBSD -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -DNDEBUG -DLLVM_DEFAULT_TARGET_TRIPLE=\"x86_64-unknown-freebsd11.0\" -DLLVM_HOST_TRIPLE=\"x86_64-unknown-freebsd11.0\" -DDEFAULT_SYSROOT=\"/usr/obj/usr/src/tmp\" -g -Qunused-arguments -I/usr/obj/usr/src/tmp/legacy/usr/include -std=c++11 -fno-exceptions -fno-rtti -stdlib=libc++ -Wno-c++11-extensions  -static -L/usr/obj/usr/src/tmp/legacy/usr/lib -o clang-tblgen.full  ClangASTNodesEmitter.o ClangAttrEmitter.o ClangCommentCommandInfoEmitter.o ClangCommentHTMLNamedCharacterReferenceEmitter.o ClangCommentHTMLTagsEmitter.o ClangDiagnosticsEmitter.o ClangSACheckersEmitter.o NeonEmitter.o TableGen.o /usr/obj/usr/src/tmp/usr/src/lib/clang/libllvmminimal/libllvmminimal.a  -lncursesw  -lpthread -legacy
> 
> /usr/lib/libpthread.a(thr_syscalls.o): In function `__thr_fdatasync':
> 
> /usr/src/lib/libthr/thread/thr_syscalls.c:(.text+0xe51): undefined reference to `__sys_fdatasync'
> 
> c++: error: linker command failed with exit code 1 (use -v to see invocation)
> 
> *** [clang-tblgen.full] Error code 1
> 
> 
> 
> Systeem: FreeBSD 11.0-STABLE  At revision 310725.

The fdatasync symbol was added to head in r304209, and that was MFC'd to
stable/11 in r304980, almost 4 months ago.  For some reason, you don't
seem to have it in libc.a.

Can you link any application statically?  And if you use -lpthread?

-Dimitry

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