[Scons-users] Assembly compiler flags

[Simon White]

Please remove me from this list, it's not letting me do it myself (I get
"Internal Server Error").

On Tue, 10 Oct 2023 at 15:49, Keith Snively <keith.d.snively at gmail.com>
wrote:

> I have a project that invokes an assembler as part of the compilation
> process. Starting with version 4.5.0, there appears to be an issue with the
> flags that are supplied to the compiler though.  Basically, it is taking
> the flags supplied to CPPDEFINES and truncating them to the first letter
> only.
>
> In this case, I am compiling boost.  Here is a SConstruct excerpt that
> sets the CPPDEFINES:
>
> local_env = env.Clone()
>
> local_env.AppendUnique(CPPDEFINES = ['BOOST_ALL_NO_LIB=1',
> 'BOOST_CHRONO_DYN_LINK=1', 'BOOST_CONTEXT_DYN_LINK=1',
>                                      'BOOST_CONTEXT_SOURCE',
> 'BOOST_DISABLE_ASSERTS', 'BOOST_THREAD_BUILD_DLL=1',
>                                      'BOOST_THREAD_USE_DLL=1', 'NDEBUG'])
>
> ...
> library_build = local_env.SharedLibrary(target=path.join(env['MY_LIBS'],
> lib_target), source=sources)
>
> The expected compile output (On Windows using VS 2019) is:
>
> ml64 /nologo /DUSE_CPP /DGL_GAME_WIDGETS /DNO_DEVUTIL_STRACE
> /DBOOST_ALL_NO_LIB=1 /DBOOST_CHRONO_DYN_LINK=1 /DBOOST_CONTEXT_DYN_LINK=1
> /DBOOST_CONTEXT_SOURCE /DBOOST_DISABLE_ASSERTS /DBOOST_THREAD_BUILD_DLL=1
> /DBOOST_THREAD_USE_DLL=1 /DNDEBUG /DBOOST_CONTEXT_EXPORT=EXPORT
> /DBOOST_THREAD_WIN32 /D__STDC_LIMIT_MACROS /c
> /Foasm\jump_x86_64_ms_pe_masm.obj asm\jump_x86_64_ms_pe_masm.asm
>
> Starting with version 4.5.0, the compile output is:
>
> ml64 /nologo /DU /DG /DN /DB /D_ /c /Foasm\jump_x86_64_ms_pe_masm.obj
> asm\jump_x86_64_ms_pe_masm.asm
>
> It looks like it only keeps the first letter of the defines and then
> removes duplicates (e.g. the /DB ).
>
> Seems like this may be a bug in scons.  Any help is appreciated.
>
> Thanks,
> Keith
>
>
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