[CMake] About FindBoost.cmake

[Osman Zakir]

Hi again, everyone.

I noticed that FindBoost.cmake has "-d" set as the Boost debug ABI tag even though the Boost libraries actually use "-gd". I installed the latet release of CMake just now, which has Boost 1.68.0 listed as a test version, and it has this problem too. For Boost.Filesystem, if it's an x64 multithreaded debug lib (just take this as an example), the filename is "libboost_filesystem-vc141-mt-gd-x64-1_68.lib". For x86 it'd be "libboost_filesystem-vc141-mt-gd-x32-1_68.lib".

Just thought I'd send this email to report this.

[Michael Ellery]

I’m guessing you want to set Boost_USE_DEBUG_RUNTIME:

https://github.com/Kitware/CMake/blob/master/Modules/FindBoost.cmake#L1467


> On Oct 29, 2018, at 4:29 PM, Osman Zakir <***@hotmail.com> wrote:
>
> Hi again, everyone.
>
> I noticed that FindBoost.cmake has "-d" set as the Boost debug ABI tag even though the Boost libraries actually use "-gd". I installed the latet release of CMake just now, which has Boost 1.68.0 listed as a test version, and it has this problem too. For Boost.Filesystem, if it's an x64 multithreaded debug lib (just take this as an example), the filename is "libboost_filesystem-vc141-mt-gd-x64-1_68.lib". For x86 it'd be "libboost_filesystem-vc141-mt-gd-x32-1_68.lib".
>
> Just thought I'd send this email to report this.
> --
>
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[Mateusz Loskot]

On Tue, 30 Oct 2018 at 00:29, Osman Zakir <***@hotmail.com> wrote:
>
> I noticed that FindBoost.cmake has "-d" set as the Boost debug ABI tag even though the Boost libraries actually use "-gd".

-d comes from variant=debug option when you build Boost
-g comes from runtime-debugging=on

You've got it explained here
https://www.boost.org/doc/libs/1_68_0/more/getting_started/windows.html

> I installed the latet release of CMake just now, which has Boost 1.68.0 listed as a test version, and it has this problem too.

IMO, what you describe is not a problem.
-gd is perfectly valid combination, and on Windows where versioned
layout of Boost is the default, you will see names like

d:\boost.win\stage\lib>ls -1 *file*
libboost_filesystem-vc141-mt-gd-x32-1_69.lib
libboost_filesystem-vc141-mt-gd-x64-1_69.lib
libboost_filesystem-vc141-mt-x32-1_69.lib
libboost_filesystem-vc141-mt-x64-1_69.lib

Best regards,
--
Mateusz Loskot, http://mateusz.loskot.net
--

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[Mateusz Loskot]

On Tue, 30 Oct 2018 at 10:17, Osman Zakir <***@hotmail.com> wrote:
>
> Yes, but this might also be why it can't find more than "some" of the Boost libraries. It looks for "-d" even though I'm using the "-gd" ones.

How do you know it looks for -d?
Sorry, but you are not showing any cmake command line,
any bit of your CMakeLists.txt how you invoke find_package,
and nothing from output you are getting.

set(Boost_DEBUG ON)
find_package(Boost 1.68.0 REQUIRED COMPONENTS filesystem)

then, in a sample project

mkdir build
cd build
cmake ..

and it looks for -gd

-- [ C:/Program
Files/CMake/share/cmake-3.12/Modules/FindBoost.cmake:1430 ]
_boost_MULTITHREADED = -mt
-- [ C:/Program
Files/CMake/share/cmake-3.12/Modules/FindBoost.cmake:1506 ]
_boost_RELEASE_ABI_TAG = -
-- [ C:/Program
Files/CMake/share/cmake-3.12/Modules/FindBoost.cmake:1508 ]
_boost_DEBUG_ABI_TAG = -gd

FindBoost is a complex animal, it deals with tons of cases, it
frequently stops working.
So, crystal sphere -based investigation does not quite apply :)

BTW, pease respond to the mailing list, not privately.

Best regards,
--
Mateusz Loskot, http://mateusz.loskot.net
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[Mateusz Loskot]

On Tue, 30 Oct 2018 at 10:24, Mateusz Loskot <***@loskot.net> wrote:
> On Tue, 30 Oct 2018 at 10:17, Osman Zakir <***@hotmail.com> wrote:
> >
> > Yes, but this might also be why it can't find more than "some" of the Boost libraries. It looks for "-d" even though I'm using the "-gd" ones.
>
> How do you know it looks for -d?
> Sorry, but you are not showing any cmake command line,
> any bit of your CMakeLists.txt how you invoke find_package,
> and nothing from output you are getting.
>
> set(Boost_DEBUG ON)
> find_package(Boost 1.68.0 REQUIRED COMPONENTS filesystem)
>
> then, in a sample project
>
> mkdir build
> cd build
> cmake ..
>
> and it looks for -gd
>
> -- [ C:/Program
> Files/CMake/share/cmake-3.12/Modules/FindBoost.cmake:1430 ]
> _boost_MULTITHREADED = -mt
> -- [ C:/Program
> Files/CMake/share/cmake-3.12/Modules/FindBoost.cmake:1506 ]
> _boost_RELEASE_ABI_TAG = -
> -- [ C:/Program
> Files/CMake/share/cmake-3.12/Modules/FindBoost.cmake:1508 ]
> _boost_DEBUG_ABI_TAG = -gd

I've run some test.

I've got Boost (current develop branch) build in stage directory, as
you see it is --layout=versioned

D:\boost.win\stage\lib (develop -> origin) ls -1 *system*
libboost_filesystem-vc141-mt-gd-x32-1_69.lib
libboost_filesystem-vc141-mt-gd-x64-1_69.lib
libboost_filesystem-vc141-mt-x32-1_69.lib
libboost_filesystem-vc141-mt-x64-1_69.lib
libboost_system-vc141-mt-gd-x32-1_69.lib
libboost_system-vc141-mt-gd-x64-1_69.lib
libboost_system-vc141-mt-x32-1_69.lib
libboost_system-vc141-mt-x64-1_69.lib

In test project D:\_\workshop\test_boost\CMakeLists.txt

set(Boost_ADDITIONAL_VERSIONS 1.69)
set(Boost_USE_STATIC_LIBS ON)
find_package(Boost 1.69.0 REQUIRED COMPONENTS filesystem system)

Then, configure:

D:\_\workshop\test_boost\_build.vs2017 cmake -A x64
-DBOOST_ROOT:PATH=D:\boost.win ..
-- Building for: Visual Studio 15 2017
-- The C compiler identification is MSVC 19.15.26730.0
-- The CXX compiler identification is MSVC 19.15.26730.0
-- Check for working C compiler: C:/Program Files (x86)/Microsoft
Visual Studio/2017/Professional/VC/Tools/MSVC/14.15.26726/bin/Hostx64/x64/cl.exe
-- Check for working C compiler: C:/Program Files (x86)/Microsoft
Visual Studio/2017/Professional/VC/Tools/MSVC/14.15.26726/bin/Hostx64/x64/cl.exe
-- works
...
-- Boost version: 1.69.0
-- Found the following Boost libraries:
-- filesystem
-- system
...

Best regards,
--
Mateusz Loskot, http://mateusz.loskot.net
--

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[Mateusz Loskot]

On Tue, 30 Oct 2018 at 10:54, Mateusz Loskot <***@loskot.net> wrote:
> [...]
> D:\_\workshop\test_boost\_build.vs2017 cmake -A x64
> -DBOOST_ROOT:PATH=D:\boost.win ..
> -- Building for: Visual Studio 15 2017
> -- The C compiler identification is MSVC 19.15.26730.0
> -- The CXX compiler identification is MSVC 19.15.26730.0
> -- Check for working C compiler: C:/Program Files (x86)/Microsoft
> Visual Studio/2017/Professional/VC/Tools/MSVC/14.15.26726/bin/Hostx64/x64/cl.exe
> -- Check for working C compiler: C:/Program Files (x86)/Microsoft
> Visual Studio/2017/Professional/VC/Tools/MSVC/14.15.26726/bin/Hostx64/x64/cl.exe
> -- works
> ...
> -- Boost version: 1.69.0
> -- Found the following Boost libraries:
> -- filesystem
> -- system
> ...

I forgo to mention above I run

cmake --version
cmake version 3.12.2


--
Mateusz Loskot, http://mateusz.loskot.net
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[Mateusz Loskot]

On Tue, 30 Oct 2018 at 12:09, Osman Zakir <***@hotmail.com> wrote:
>
> Nice. So what command did you run to configure CMake?

I included full cmake invocation command line in my response you replied to.
Just re-read it below.

Once again, please, respond to ***@cmake.org mailing list, not privately!

ML

> ________________________________
> From: CMake <cmake-***@cmake.org> on behalf of Mateusz Loskot <***@loskot.net>
> Sent: Tuesday, October 30, 2018 2:55 PM
> To: ***@cmake.org
> Subject: Re: [CMake] About FindBoost.cmake
>
> On Tue, 30 Oct 2018 at 10:54, Mateusz Loskot <***@loskot.net> wrote:
> > [...]
> > D:\_\workshop\test_boost\_build.vs2017 cmake -A x64
> > -DBOOST_ROOT:PATH=D:\boost.win ..
> > -- Building for: Visual Studio 15 2017
> > -- The C compiler identification is MSVC 19.15.26730.0
> > -- The CXX compiler identification is MSVC 19.15.26730.0
> > -- Check for working C compiler: C:/Program Files (x86)/Microsoft
> > Visual Studio/2017/Professional/VC/Tools/MSVC/14.15.26726/bin/Hostx64/x64/cl.exe
> > -- Check for working C compiler: C:/Program Files (x86)/Microsoft
> > Visual Studio/2017/Professional/VC/Tools/MSVC/14.15.26726/bin/Hostx64/x64/cl.exe
> > -- works
> > ...
> > -- Boost version: 1.69.0
> > -- Found the following Boost libraries:
> > -- filesystem
> > -- system
> > ...
>
> I forgo to mention above I run
>
> cmake --version
> cmake version 3.12.2
>
>
> --
> Mateusz Loskot, http://mateusz.loskot.net


--
Mateusz Loskot, http://mateusz.loskot.net
--

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[Osman Zakir]

So just "make -A x64 -DBOOST_ROOT:PATH=D:\boost.win"?

Speaking of x64 vs. x86, I think CMake needs to be able to include the option to build for either x86 or x64 in the same VS project file. I read on the CMake forums that this is being worked on, but what's the story on that?
________________________________
From: CMake <cmake-***@cmake.org> on behalf of Mateusz Loskot <***@loskot.net>
Sent: Tuesday, October 30, 2018 4:18 PM
To: ***@cmake.org
Subject: Re: [CMake] About FindBoost.cmake

On Tue, 30 Oct 2018 at 12:09, Osman Zakir <***@hotmail.com> wrote:
>
> Nice. So what command did you run to configure CMake?

I included full cmake invocation command line in my response you replied to.
Just re-read it below.

Once again, please, respond to ***@cmake.org mailing list, not privately!

ML

> ________________________________
> From: CMake <cmake-***@cmake.org> on behalf of Mateusz Loskot <***@loskot.net>
> Sent: Tuesday, October 30, 2018 2:55 PM
> To: ***@cmake.org
> Subject: Re: [CMake] About FindBoost.cmake
>
> On Tue, 30 Oct 2018 at 10:54, Mateusz Loskot <***@loskot.net> wrote:
> > [...]
> > D:\_\workshop\test_boost\_build.vs2017 cmake -A x64
> > -DBOOST_ROOT:PATH=D:\boost.win ..
> > -- Building for: Visual Studio 15 2017
> > -- The C compiler identification is MSVC 19.15.26730.0
> > -- The CXX compiler identification is MSVC 19.15.26730.0
> > -- Check for working C compiler: C:/Program Files (x86)/Microsoft
> > Visual Studio/2017/Professional/VC/Tools/MSVC/14.15.26726/bin/Hostx64/x64/cl.exe
> > -- Check for working C compiler: C:/Program Files (x86)/Microsoft
> > Visual Studio/2017/Professional/VC/Tools/MSVC/14.15.26726/bin/Hostx64/x64/cl.exe
> > -- works
> > ...
> > -- Boost version: 1.69.0
> > -- Found the following Boost libraries:
> > -- filesystem
> > -- system
> > ...
>
> I forgo to mention above I run
>
> cmake --version
> cmake version 3.12.2
>
>
> --
> Mateusz Loskot, http://mateusz.loskot.net


--
Mateusz Loskot, http://mateusz.loskot.net
--

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[Mateusz Loskot]

On Tue, 30 Oct 2018 at 12:25, Osman Zakir <***@hotmail.com> wrote:
>
> So just "make -A x64 -DBOOST_ROOT:PATH=D:\boost.win"?


No. The comand I pasted reads

"cmake -A x64 -DBOOST_ROOT:PATH=D:\boost.win"
^^^ cmake not make


> Speaking of x64 vs. x86, I think CMake needs to be able to include the option to build for either x86 or x64 in the same VS project file. I read on the CMake forums that this is being worked on, but what's the story on that?

Sorry, no idea what you talking about. Perhaps it's better to read the
docs first:

-A <platform-name>
Specify platform name if supported by generator.


For this paricular VS use case, I could have used

cmake -G "Visual Studio 15 2017 Win64" -DBOOST_ROOT:PATH=D:\boost.win ..
which should be equivalent to
cmake -A x64 -DBOOST_ROOT:PATH=D:\boost.win


Best regards,
--
Mateusz Loskot, http://mateusz.loskot.net
--

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[Osman Zakir]

Yeah, I forgot to type the 'c'. My mistake.
________________________________
From: CMake <cmake-***@cmake.org> on behalf of Mateusz Loskot <***@loskot.net>
Sent: Tuesday, October 30, 2018 4:30 PM
To: ***@cmake.org
Subject: Re: [CMake] About FindBoost.cmake

On Tue, 30 Oct 2018 at 12:25, Osman Zakir <***@hotmail.com> wrote:
>
> So just "make -A x64 -DBOOST_ROOT:PATH=D:\boost.win"?


No. The comand I pasted reads

"cmake -A x64 -DBOOST_ROOT:PATH=D:\boost.win"
^^^ cmake not make


> Speaking of x64 vs. x86, I think CMake needs to be able to include the option to build for either x86 or x64 in the same VS project file. I read on the CMake forums that this is being worked on, but what's the story on that?

Sorry, no idea what you talking about. Perhaps it's better to read the
docs first:

-A <platform-name>
Specify platform name if supported by generator.


For this paricular VS use case, I could have used

cmake -G "Visual Studio 15 2017 Win64" -DBOOST_ROOT:PATH=D:\boost.win ..
which should be equivalent to
cmake -A x64 -DBOOST_ROOT:PATH=D:\boost.win


Best regards,
--
Mateusz Loskot, http://mateusz.loskot.net
--

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