For now I compiled the lulesh by creating c file "--savec dir.lulesh" then
went into the directory and edited the Make file by adding a line
CFLAGS = -g -Wno-maybe-uninitialized
"- g for debug flags "
-Bibek
On Mon, Jul 6, 2015 at 10:09 AM, Bibek Ghimire <[email protected]>
wrote:
> Hi all,
> I have built chapel with following environmental variable for the
> debugging mode.
>
> if [ "$1" == "debug" ]; then
> echo "Debugging mode on"
> export CHPL_DEVELOPER=1
> export CHPL_COMM_DEBUG=1
> export CHPL_GASNET_DEBUG=1
> export GASNET_BACKTRACE=1
> export CHPL_DEBUG=1
> fi
>
> The chapel compiles with no error. The hello world compiles fine. Then
> when I try to compile the lulesh from the benchmark directory I get
>
> In file included from /tmp/chpl-xxxxx-29352.deleteme/_main.c:49:0:
> /tmp/chpl-xxxxx-29352.deleteme/IO.c: In function ‘open_chpl.constprop’:
> /tmp/chpl-xxxxx-29352.deleteme/IO.c:1787:9: error: ‘type_tmp_chpl’ may be
> used uninitialized in this function [-Werror=maybe-uninitialized]
> fs_chpl = type_tmp_chpl;
> ^
> /tmp/chpl-xxxxx-29352.deleteme/IO.c:2106:15: error:
> ‘_formal_tmp_error_chpl’ may be used uninitialized in this function
> [-Werror=maybe-uninitialized]
> *(error_chpl) = _formal_tmp_error_chpl;
> ^
> In file included from /tmp/chpl-xxxxx-29352.deleteme/_main.c:19:0:
> /tmp/chpl-xxxxx-29352.deleteme/ChapelStandard.c: In function
> ‘chpl__init_ChapelStandard’:
> /tmp/chpl-xxxxx-29352.deleteme/LocaleModel.c:676:24: error:
> ‘this30.dummyFieldToAvoidWarning’ may be used uninitialized in this
> function [-Werror=maybe-uninitialized]
> (_args_foron_fn)->_2_b = b;
> ^
> /tmp/chpl-xxxxx-29352.deleteme/LocaleModel.c:532:16: note:
> ‘this30.dummyFieldToAvoidWarning’ was declared here
> localesBarrier this30;
> ^
> cc1: all warnings being treated as errors
> make[1]: *** [/tmp/chpl-xxxxx-29352.deleteme/lulesh.tmp] Error 1
> error: compiling generated source [mysystem.cpp:43]
> make: *** [lulesh] Error 1
>
> Should I turn off the compiler flag -Werror=maybe-uninitialized? If yes
> where is this compiler flag set from?
>
>
> fyi - gcc-4.9.2
>
>
> -Bibek
>
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