[lldb-dev] How to compile lldb?

[Arne Schmitz]

Hi everybody,

I am still trying to build lldb on Debian Stable. I configured cmake 
like this:

cmake -DCMAKE_BUILD_TYPE="Release" 
-DCMAKE_C_COMPILER=/export/source/clang/bin/clang 
-DCMAKE_CXX_COMPILER=/export/source/clang/bin/clang++ 
-DCMAKE_INSTALL_PREFIX=/export/source/clang ..

However, I think that the build tries to use my c++ stdlib provided by 
the system gcc 4.7, and that this is the cause of the error:

[ 91%] Building CXX object 
tools/lldb/source/Plugins/Process/Linux/CMakeFiles/lldbPluginProcessLinux.dir/ThreadStateCoordinator.cpp.o
In file included from 
/export/source/git/llvm/tools/lldb/source/Plugins/Process/Linux/ThreadStateCoordinator.cpp:17:
In file included from 
/export/source/git/llvm/tools/lldb/source/Plugins/Process/Linux/ThreadStateCoordinator.h:13:
In file included from 
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7/condition_variable:38:
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7/chrono:540:6: 
error: no matching constructor for initialization of 'duration' (aka
       'std::chrono::duration<long, std::ratio<1, 1000000> >')
           : __d(__t.time_since_epoch())
             ^   ~~~~~~~~~~~~~~~~~~~~~~
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7/condition_variable:111:42: 
note: in instantiation of function template specialization
       'std::chrono::time_point<std::chrono::system_clock, 
std::chrono::duration<long, std::ratio<1, 1000000> >
       >::time_point<std::chrono::duration<long, std::ratio<1, 
1000000000> > >' requested here
         const __clock_t::time_point __s_atime = __s_entry + __delta;
                                                 ^
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7/chrono:234:12: 
note: candidate constructor not viable: no known conversion from
       'duration<[...], ratio<[...], 1000000000>>' to 'const 
duration<[...], ratio<[...], 1000000>>' for 1st argument
         constexpr duration(const duration&) = default;
                   ^
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7/chrono:237:19: 
note: candidate template ignored: disabled by 'enable_if' [with _Rep2 =
       std::chrono::duration<long, std::ratio<1, 1000000000> >]
                enable_if<is_convertible<_Rep2, rep>::value
                          ^
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7/chrono:244:19: 
note: candidate template ignored: disabled by 'enable_if' [with _Rep2 =
       long, _Period2 = std::ratio<1, 1000000000>]
enable_if<treat_as_floating_point<rep>::value
                          ^
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7/chrono:232:12: 
note: candidate constructor not viable: requires 0 arguments, but 1 was
       provided
         constexpr duration() : __r() { }
                   ^
1 error generated.
make[2]: *** 
[tools/lldb/source/Plugins/Process/Linux/CMakeFiles/lldbPluginProcessLinux.dir/ThreadStateCoordinator.cpp.o] 
Error 1
make[1]: *** 
[tools/lldb/source/Plugins/Process/Linux/CMakeFiles/lldbPluginProcessLinux.dir/all] 
Error 2
make: *** [all] Error 2

I also compiled and installed libcxx, so maybe I should switch to that? 
How do I do that?

Best regards,

Arne

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