[Buildroot] [PATCH v2 05/12] package/flare-engine: fix BUG_85180 build timeout

[Giulio Benetti]

Hello Thomas,

Il 24/05/2019 21:58, Thomas Petazzoni ha scritto:
> On Tue, 21 May 2019 15:39:25 +0200
> Giulio Benetti <giulio.benetti at micronovasrl.com> wrote:
> 
>> With Microblaze Gcc version < 8.x build hangs on compiling last files.
>> This is due to bug 85180:
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180
>> Bug shows up building flare-engine with optimization but not when
>> building with -O0.
>>
>> If BR2_TOOLCHAIN_HAS_GCC_BUG_85180=y force using -O0 by:
>> - setting CMAKE_BUILD_TYPE to Dummy to avoid CMakeLists.txt to impose
>>    -O* and -g* flags
> 
> Why does flare-engine need this, but not jasper, which is also a
> CMake-based package ?

Because in flare-engine CMakeLists.txt there is no fallback to -O0, so 
that was the only decent way to force CMake to generate Makefiles 
without optimizations. I don't like it very much but it was the only way 
I've found.

Thank you for reviewing and improving all commit logs!

-- 
Giulio Benetti
CTO

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> Thanks,
> 
> Thomas
>