[lldb-dev] How to compile lldb?
Vince Harron
vharron at google.com
Sat Nov 22 02:25:44 PST 2014
I'm too tired, minor corrections
Download & Build
ROOT_DIR=$HOME/ll/svn
mkdir -p $ROOT_DIR/build
cd $ROOT_DIR
svn co https://llvm.org/svn/llvm-project/lldb/trunk lldb
svn co https://llvm.org/svn/llvm-project/llvm/trunk llvm
svn co https://llvm.org/svn/llvm-project/cfe/trunk clang
cd llvm/tools
ln -s ../../clang clang
ln -s ../../lldb lldb
cd $ROOT_DIR/build
CC='ccache clang -Qunused-arguments -fcolor-diagnostics' CXX='ccache
clang++ -Qunused-arguments -fcolor-diagnostics' cmake -GNinja
-DCMAKE_LINKER=ld.gold -DCMAKE_CXX_FLAGS= -DCMAKE_SHARED_LINKER_FLAGS=
-DCMAKE_EXE_LINKER_FLAGS= -DCMAKE_INSTALL_PREFIX:PATH=$ROOT_DIR/install
-DCMAKE_BUILD_TYPE=Release -Wno-dev ../llvm
ninja
ninja check-lldb
On Sat, Nov 22, 2014 at 2:24 AM, Vince Harron <vharron at google.com> wrote:
> Hi Arne,
>
> Sorry for not reading your message closer the first time.
>
> These are roughly the steps we follow to build
>
> Host setup (for Ubuntu 14.04, obviously debian steps may differ)
>
> sudo apt-get update
> sudo apt-get install build-essential cmake ninja-build git libedit-dev
> ncurses-dev python-dev swig clang-3.5 ccache binutils-gold
>
> Download & Build
>
> (lldb_configure.py really just invokes cmake)
>
>
> ROOT_DIR=$HOME/ll/svn
> mkdir -p $ROOT_DIR/build
> cd $ROOT_DIR
> svn co https://llvm.org/svn/llvm-project/lldb/trunk lldb
> svn co https://llvm.org/svn/llvm-project/llvm/trunk llvm
> svn co https://llvm.org/svn/llvm-project/cfe/trunk clang
> git clone http://github.com/tfiala/lldb-tools
> cd llvm/tools
> ln -s ../../clang clang
> ln -s ../../lldb lldb
> cd $ROOT_DIR/build
> CC='ccache clang -Qunused-arguments -fcolor-diagnostics' CXX='ccache
> clang++ -Qunused-arguments -fcolor-diagnostics' cmake -GNinja
> -DCMAKE_LINKER=ld.gold -DCMAKE_CXX_FLAGS= -DCMAKE_SHARED_LINKER_FLAGS=
> -DCMAKE_EXE_LINKER_FLAGS= -DCMAKE_INSTALL_PREFIX:PATH=$ROOT_DIR/install
> -DCMAKE_BUILD_TYPE=Release -Wno-dev ../llvm
> ninja
> ninja check-lldb
>
> You can probably drop ccache and the compiler flags from CC and CXX
>
> Vince
>
>
>
> On Fri, Nov 21, 2014 at 7:44 AM, Siva Chandra <sivachandra at google.com>
> wrote:
>
>> On Fri, Nov 21, 2014 at 7:43 AM, Siva Chandra <sivachandra at google.com>
>> wrote:
>> > On Fri, Nov 21, 2014 at 1:01 AM, Arne Schmitz <arne.schmitz at aixigo.de>
>> wrote:
>> >> 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?
>> >
>> > I have never tried this, but may be add
>> -DCMAKE_CXX_FLAGS=-stdlib=libstdc++?
>>
>> Oops, it should be s/libstdc++/libc++.
>> _______________________________________________
>> lldb-dev mailing list
>> lldb-dev at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
>>
>
>
>
> --
>
> Vince Harron | Technical Lead Manager | vharron at google.com | 858-442-0868
>
--
Vince Harron | Technical Lead Manager | vharron at google.com | 858-442-0868
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