[dm-devel] [PATCH] Makefile.inc: Remove -fexceptions from CFLAGS

[Christophe Varoqui]

Merged.
Thanks.

On Tue, Aug 16, 2016 at 9:56 PM, Bart Van Assche <bart.vanassche at sandisk.com
> wrote:

> No code in the multipath-tools project calls a C++ function that
> generates an exception. Hence remove -fexceptions. From the gcc
> manual:
>
> -fexceptions
>
>   Enable exception handling. Generates extra code needed to
>   propagate exceptions. For some targets, this implies GCC
>   generates frame unwind information for all functions, which can
>   produce significant data size overhead, although it does not
>   affect execution. If you do not specify this option, GCC
>   enables it by default for languages like C++ that normally
>   require exception handling, and disables it for languages like
>   C that do not normally require it. However, you may need to
>   enable this option when compiling C code that needs to
>   interoperate properly with exception handlers written in
>   C++. You may also wish to disable this option if you are
>   compiling older C++ programs that don't use exception handling.
>
> Signed-off-by: Bart Van Assche <bart.vanassche at sandisk.com>
> ---
>  Makefile.inc | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Makefile.inc b/Makefile.inc
> index 0808e64..0631ca2 100644
> --- a/Makefile.inc
> +++ b/Makefile.inc
> @@ -61,7 +61,7 @@ LN            = ln -sf
>  INSTALL_PROGRAM        = install
>
>  OPTFLAGS       = -Wunused -Wstrict-prototypes -O2 -g -pipe
> -Wformat-security -Wall \
> -                 -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
> --param=ssp-buffer-size=4
> +                 -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector
> --param=ssp-buffer-size=4
>
>  CFLAGS         = $(OPTFLAGS) -fPIC -DLIB_STRING=\"${LIB}\"
> -DRUN_DIR=\"${RUN}\"
>  SHARED_FLAGS   = -shared
> --
> 2.9.2
>
>
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