Have you tried diff'ing your cmake invocation against the on used by homebrew?
-- adrian > On Mar 9, 2018, at 12:59 AM, Timothee Cour via lldb-dev > <lldb-dev@lists.llvm.org> wrote: > > while testing out https://github.com/llvm-mirror/lldb/pull/3 I noticed > that when I compiled lldb from source (even un-modified from git HEAD) > it was 5X slower than homebrew lldb or default lldb: > > I'm compiling lldb as follows: > ``` > git clone https://github.com/llvm-mirror/llvm.git > cd llvm/tools > git clone https://github.com/llvm-mirror/lldb > ## also, patch in https://github.com/llvm-mirror/lldb/pull/3 > git clone https://github.com/llvm-mirror/clang > cd .. > mkdir build > cd build > ccmake .. -G Ninja > # here I set: CMAKE_BUILD_TYPE Release > ninja all > ``` > > I also tried setting `LLVM_ENABLE_ASSERTIONS OFF` but no difference > > > commands.txt > ``` > b FOO > r > bt > q > ``` > > ./test is some program i have. > > ``` > time lldb -s commands.txt -- ./test > 8 seconds > time ./build/bin/lldb -s commands.txt -- ./test > 40 seconds > ``` > _______________________________________________ > lldb-dev mailing list > lldb-dev@lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev _______________________________________________ lldb-dev mailing list lldb-dev@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev