[odb-users] Failed to Build odb with Clang and libc++

[Boris Kolpackov]

Hi Tony,

Tony Lin <tony.lin at ringcentral.com> writes:

> ./configure CC=clang CXX=clang++ CXXFLAGS="-Os -pthread ...
> 
> checking for the pthreads library -lpthreads... no
> checking for the pthreads library -lpthread... no
> checking whether pthreads work without any flags... no
> checking whether pthreads work with -Kthread... no
> checking whether pthreads work with -kthread... no
> checking for the pthreads library -llthread... no
> checking whether pthreads work with -pthread... no
> checking whether pthreads work with -pthreads... no
> checking whether pthreads work with -mthreads... no
> checking whether pthreads work with --thread-safe... no
> checking whether pthreads work with -mt... no
> checking for pthread-config... no
> configure: error: thread support not available; use --disable-threads to force single-threaded mode

First try to remove -pthread from CXXFLAGS. ODB will try to figure
out which option to use automatically. If that doesn't help, look into
config.log for details on why the thread test fails.

Boris