[Buildroot] [PATCH 2/2] package/boost: work around gcc bug 85180

[Giulio Benetti]

Hello,

sorry again for the nosie. Need to modify Config.in too.

Il 04/06/2019 17:49, Giulio Benetti ha scritto:
> With Microblaze Gcc version < 8.x the build hangs due to gcc bug
> 85180: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180. The bug
> shows up when building boost with optimization but not when building
> with -O0. To work around this, if BR2_TOOLCHAIN_HAS_GCC_BUG_85180=y we
> force using -O0.
> 
> Signed-off-by: Giulio Benetti <giulio.benetti at micronovasrl.com>
> ---
>   package/boost/boost.mk | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/package/boost/boost.mk b/package/boost/boost.mk
> index a2d8395fd4..04869ed685 100644
> --- a/package/boost/boost.mk
> +++ b/package/boost/boost.mk
> @@ -50,6 +50,10 @@ BOOST_WITHOUT_FLAGS += $(if $(BR2_PACKAGE_BOOST_WAVE),,wave)
>   
>   BOOST_TARGET_CXXFLAGS = $(TARGET_CXXFLAGS)
>   
> +ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
> +BOOST_TARGET_CXXFLAGS += -O0
> +endif
> +
>   BOOST_FLAGS = --with-toolset=gcc
>   
>   ifeq ($(BR2_PACKAGE_ICU),y)
> 

-- 
Giulio Benetti
CTO

MICRONOVA SRL
Sede: Via A. Niedda 3 - 35010 Vigonza (PD)
Tel. 049/8931563 - Fax 049/8931346
Cod.Fiscale - P.IVA 02663420285
Capitale Sociale € 26.000 i.v.
Iscritta al Reg. Imprese di Padova N. 02663420285
Numero R.E.A. 258642