On 01/27/2012 06:22 AM, Sérgio Basto wrote:
On Thu, 2012-01-26 at 12:08 +0100, Jan Kratochvil wrote:
On Thu, 26 Jan 2012 08:12:43 +0100, Sérgio Basto wrote:
/usr/bin/kmk_sed: file
/builddir/build/BUILD/VirtualBox-4.1.8_OSE/src/VBox/Runtime/common/err/errmsg.sed
line 31: Unmatched [ or [^
kmk: ***
[/builddir/build/BUILD/VirtualBox-4.1.8_OSE/obj/obj/Runtime/errmsgdata.h] Error
1
kmk: *** Deleting file
`/builddir/build/BUILD/VirtualBox-4.1.8_OSE/obj/obj/Runtime/errmsgdata.h'
You should try compiling kmk_sed first with
-O0 and then checking whether the specific function having this problem there
is really valid ISO C.
don't understand whats help compile without optimization ,
-O0 turns off optimizations. i.e. it causes GCC to behave less
agressively and often causes "sloppily" written code to behave "as
expected" and not to expose a run-time bug.
It's a common initial step when trying to isolate the cause of a bug.
Another, similar initial step is to check build logs for warnings and to
go after them. These days, e.g. warnings related to "punned pointers" or
"casts to different sizes" often are pointing to the causes of run-time
mal-functions and should not be taken light-heartedly.
Ralf
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