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Re: [Qemu-devel] [PATCH v2] qga: fitering out -fstack-protector-strong


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v2] qga: fitering out -fstack-protector-strong
Date: Thu, 02 Apr 2015 14:16:10 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0


On 01/04/2015 18:38, Joseph Hindin wrote:
> configure script may add -fstack-protector-strong option instead
> of -fstack-protector-all, depending on availability ( see
> commit 63678e17c ). Both options have to by filtered out for
> qga-vss.dll, otherwise MinGW cross-compilation fails at linking
> stage.
> 
> Signed-off-by: Joseph Hindin <address@hidden>

Thanks, applied.  For 2.4 it would be interesting to see if we can
actually enable the stack protector.

Paolo

> ---
>  qga/vss-win32/Makefile.objs | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/qga/vss-win32/Makefile.objs b/qga/vss-win32/Makefile.objs
> index 6a69d50..7c96c6b 100644
> --- a/qga/vss-win32/Makefile.objs
> +++ b/qga/vss-win32/Makefile.objs
> @@ -3,7 +3,7 @@
>  qga-vss-dll-obj-y += requester.o provider.o install.o
>  
>  obj-qga-vss-dll-obj-y = $(addprefix $(obj)/, $(qga-vss-dll-obj-y))
> -$(obj-qga-vss-dll-obj-y): QEMU_CXXFLAGS = $(filter-out -Wstrict-prototypes 
> -Wmissing-prototypes -Wnested-externs -Wold-style-declaration 
> -Wold-style-definition -Wredundant-decls -fstack-protector-all, 
> $(QEMU_CFLAGS)) -Wno-unknown-pragmas -Wno-delete-non-virtual-dtor
> +$(obj-qga-vss-dll-obj-y): QEMU_CXXFLAGS = $(filter-out -Wstrict-prototypes 
> -Wmissing-prototypes -Wnested-externs -Wold-style-declaration 
> -Wold-style-definition -Wredundant-decls -fstack-protector-all 
> -fstack-protector-strong, $(QEMU_CFLAGS)) -Wno-unknown-pragmas 
> -Wno-delete-non-virtual-dtor
>  
>  $(obj)/qga-vss.dll: LDFLAGS = -shared 
> -Wl,--add-stdcall-alias,--enable-stdcall-fixup -lole32 -loleaut32 -lshlwapi 
> -luuid -static
>  $(obj)/qga-vss.dll: $(obj-qga-vss-dll-obj-y) $(SRC_PATH)/$(obj)/qga-vss.def
> 



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