On 02/03/2012 03:50 PM, Jan Kiszka wrote:
> -Werror-implicit-function-declaration is not compatible with C++, and
> also decisions about -Wall and -pipe should be left to the application.
>
> Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
> ---
> configure.in | 12 ++++++------
> 1 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/configure.in b/configure.in
> index b2563ee..2185925 100644
> --- a/configure.in
> +++ b/configure.in
> @@ -448,13 +448,13 @@ else
> fi
> AC_MSG_RESULT([done])
>
> -dnl Common CFLAGS and LDFLAGS
> -XENO_USER_CFLAGS="-D_GNU_SOURCE -D_REENTRANT -Wall
> -Werror-implicit-function-declaration -pipe"
> -XENO_USER_LDFLAGS=
> +dnl Exported CFLAGS and LDFLAGS, shared with internal flags
> +XENO_USER_APP_CFLAGS="-D_GNU_SOURCE -D_REENTRANT"
> +XENO_USER_APP_LDFLAGS=
>
> -dnl Exported CFLAGS and LDFLAGS, may be enhanced per-arch below
> -XENO_USER_APP_CFLAGS=$XENO_USER_CFLAGS
> -XENO_USER_APP_LDFLAGS=$XENO_USER_LDFLAGS
> +dnl Internal CFLAGS and LDFLAGS, may be enhanced per-arch below
> +XENO_USER_CFLAGS="$XENO_USER_CFLAGS -Wall
> -Werror-implicit-function-declaration -pipe"
> +XENO_USER_LDFLAGS="$XENO_USER_APP_LDFLAGS"
We do not build C++ code, so I see no problem with using flags
incompatible with C++, and customize the flags according to our
preferences. Now, the flags returned by xeno-config are another issue,
if this is what you want to change, please do not change the flags used
to compile xenomai globally.
--
Gilles.
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