Subject: Re: [Boost-build] 1.53.00 - masm ml options not honored??
From: Vladimir Prus (ghost_at_[hidden])
Date: 2013-10-03 14:12:32
On 03.10.2013 21:38, Jeff Flinn wrote:
> On 10/3/2013 11:47 AM, Vladimir Prus wrote:
>> On 03.10.2013 18:01, Jeff Flinn wrote:
>>> Assembling: libs\context\src\asm\make_i386_ms_pe_masm.asm
>>> libs\context\src\asm\make_i386_ms_pe_masm.asm(45) : warning
>>> A4024:directive ignored without /safeseh switch
>> msvc.compile.asm is standard assembler action, so it's not surprising it
>> does not have /safeseh switch.
>> Looking at Jamfile, I see this:
>> alias asm_context_sources
>> : asm/make_i386_ms_pe_masm.asm
>> : <address-model>32
>> which seems to be the most specific version of asm_context_sources when
>> you use msvc toolset. Maybe you need
> So in the boost context Jamfile.v2, Oliver has
> (and I added the /safeseh argument)
> actions masm
> ml /safeseh /c /Fo"$(<)" "$(>)"
> alias asm_context_sources
> : [ make asm/make_i386_ms_pe_masm.o : asm/make_i386_ms_pe_masm.asm : @masm ]
> [ make asm/jump_i386_ms_pe_masm.o : asm/jump_i386_ms_pe_masm.asm : @masm ]
> : <address-model>32
> So are you saying this is not applicable when building with msvc because the more specific ...<toolset>msvc takes precendence?
Yes. If there are several matching alternatives, the one with longest list of requirements is picked. The above appears to have
4 matching properties, the other one 5.
> Are the above portions even useful?
I don't know enough to answer that - I wish there was a comment as to the purpose of that. Maybe, it's trying
to assemble files using "ml" tool on Windows, even for non-msvc toolchain? I don't know whether that's good
>> some <toolset>msvc:<asmflags>/safeseh somewhere in that Jamfile, like on
>> top level?
> Is this what you mean by "like on top level"?
> project boost/context
> : source-location ../src
> : requirements
> Indeed /safeseh is being propagated. Unfortunately /safeseh should only be used with 32bit builds and the above generates warnings for
> 64bit. How can this be specified for 32bit msvc only?
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