Hi,
How do I reproduce this? I tried using the config produced by
------------------------------------
$ ./waf bsp_defaults --rtems-bsps=arm/realview_pbx_a9_qemu
------------------------------------
which has:
------------------------------------
# Warning flags passed to the C and C++ compiler
WARNING_FLAGS = -Wall
------------------------------------
and I enabled the SMP tests:
------------------------------------
# Enable the Symmetric Multiprocessing (SMP) support
RTEMS_SMP = True
...
# Build the test programs
BUILD_TESTS = True
------------------------------------
It still does not show me any warning during the step
------------------------------------
$ ./waf
------------------------------------
Also, why do we have both:
------------------------------------------------------------------------
# Warning flags passed to the C and C++ compiler
WARNING_FLAGS = -Wall
# Warning flags passed to the C compiler
CC_WARNING_FLAGS = -Wmissing-prototypes -Wimplicit-function-declaration
-Wstrict-prototypes -Wnested-externs
------------------------------------------------------------------------
Does not "-Wall" cover all the warnings? Why are we passing arguments for
some warnings individually when we already passed -Wall?
On Wed, Jun 30, 2021 at 11:18 PM Sebastian Huber <
sebastian.hu...@embedded-brains.de> wrote:
> This patch introduced new warnings:
>
> ../../../cpukit/score/src/schedulerstrongapa.c: In function
> '_Scheduler_strong_APA_Get_highest_ready':
> ../../../cpukit/score/src/schedulerstrongapa.c:394:10: warning:
> 'highest_ready' may be used uninitialized in this function
> [-Wmaybe-uninitialized]
> 394 | if ( curr_node == highest_ready ) {
> | ^
> ../../../cpukit/score/src/schedulerstrongapa.c: In function
> '_Scheduler_strong_APA_Enqueue':
> ../../../cpukit/score/src/schedulerstrongapa.c:600:38: warning:
> 'cpu_to_preempt' may be used uninitialized in this function
> [-Wmaybe-uninitialized]
> 600 | curr_strong_node->cpu_to_preempt = cpu_to_preempt;
> | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
> ../../../cpukit/score/src/schedulerstrongapa.c:676:33: note:
> 'cpu_to_preempt' was declared here
> 676 | Per_CPU_Control *cpu_to_preempt;
> | ^~~~~~~~~~~~~~
> In file included from ../../../cpukit/include/rtems/score/objectdata.h:25,
> from ../../../cpukit/include/rtems/score/thread.h:32,
> from ../../../cpukit/include/rtems/score/scheduler.h:23,
> from
> ../../../cpukit/include/rtems/score/schedulerstrongapa.h:41,
> from ../../../cpukit/score/src/schedulerstrongapa.c:67:
> ../../../cpukit/include/rtems/score/chainimpl.h:677:18: warning:
> 'lowest_reachable' may be used uninitialized in this function
> [-Wmaybe-uninitialized]
> 677 | the_node->next = tail;
> | ~~~~~~~~~~~~~~~^~~~~~
> ../../../cpukit/score/src/schedulerstrongapa.c:497:32: note:
> 'lowest_reachable' was declared here
> 497 | Scheduler_Node *lowest_reachable;
> --
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