Hello again, Sergey!
Sorry, I just realized I forgot to squash commit with CMake modifications into this patch,
so it is incomplete. Anyway, I’ll fix relevant issues and send v2.
 
Best regards,
Maxim Kokryashkin 
>Воскресенье, 5 сентября 2021, 16:59 +03:00 от Максим Корякшин <m.kokryashkin@tarantool.org>:
> 
><snipped>
>>
>>>
>>> Closes tarantool/tarantool#5688
>>> ---
>>> CMakeLists.txt | 8 +++++---
>>> src/CMakeLists.txt | 5 +++++
>>> src/lj_tools_conf.h.in | 6 ++++++
>>> src/luajit.c | 36 ++++++++++++++++++++++++++++--------
>>> tools/CMakeLists.txt | 2 ++
>>> 5 files changed, 46 insertions(+), 11 deletions(-)
>>> create mode 100644 src/lj_tools_conf.h.in
>>>
>>> diff --git a/CMakeLists.txt b/CMakeLists.txt
>>> index 5348e043..619e9441 100644
>>> --- a/CMakeLists.txt
>>> +++ b/CMakeLists.txt
>>> @@ -250,6 +250,11 @@ endif()
>>> # related compiler and linker flags passed. This should be done
>>> # the right way later.
>>>
>>> +# --- Tools --------------------------------------------------------------------
>>> +
>>> +add_subdirectory(tools)
>>> +set(LUAJIT_TOOLS_DIR "${LUAJIT_TOOLS_DIR}")
>>> +
>>> # --- Main source tree ---------------------------------------------------------
>>>
>>> add_subdirectory(src)
>>> @@ -258,9 +263,6 @@ add_subdirectory(src)
>>>
>>> add_subdirectory(etc)
>>>
>>> -# --- Tools --------------------------------------------------------------------
>>> -
>>> -add_subdirectory(tools)
>>Why do we need this code movement?
>We need this because there is a template file, which CMake generates during the
>build process. 
>>>
>>> # --- Testing source tree ------------------------------------------------------
>>>
>>> diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
>>> index 809aac68..d9debccf 100644
>>> --- a/src/CMakeLists.txt
>>> +++ b/src/CMakeLists.txt
>>> @@ -142,6 +142,8 @@ make_source_list(SOURCES_CORE_NO_JIT_FFI
>>> ${SOURCES_UTILS}
>>> )
>>>
>>> +configure_file(${CMAKE_CURRENT_SOURCE_DIR}/lj_tools_conf.h.in ${CMAKE_CURRENT_SOURCE_DIR}/lj_tools_conf.h)
>>> +
>>> set(SOURCES_CORE ${SOURCES_CORE_NO_JIT_FFI})
>>>
>>> # Build JIT sources if JIT support is enabled.
>>> @@ -248,6 +250,9 @@ add_custom_target(
>>> jit/vmdef.lua
>>> )
>>>
>>> +# --- Generate luajit tools config header -------------------------------------
>>> +configure_file(${CMAKE_CURRENT_SOURCE_DIR}/lj_tools_conf.h.in ${CMAKE_CURRENT_SOURCE_DIR}/lj_tools_conf.h)
>>> +
>>> # --- Generate core and VM object files ---------------------------------------
>>>
>>> # Virtual machine.
>>> diff --git a/src/lj_tools_conf.h.in b/src/lj_tools_conf.h.in
>>> new file mode 100644
>>> index 00000000..366c3ec4
>>> --- /dev/null
>>> +++ b/src/lj_tools_conf.h.in
>>> @@ -0,0 +1,6 @@
>>> +#ifndef LJ_TOOLS_CONF_H
>>> +#define LJ_TOOLS_CONF_H
>>> +
>>> +#define PARSER_PATH "@LUAJIT_TOOLS_DIR@/memprof.lua"
>>> +
>>> +#endif
>As I already said, this is a template file, which holds a path to
>memprof.lua script after build completion. Thanks to this template,
>the flag will properly work regardless of whether the luajit was
>installed or not. 
>>For what do we need this file?
><snipped>
>