Since the gcc12 has the incompatible change from GCC5.4, I'd also suggest we
could create a new TOOL CHAIN for gcc12.
The error reports I collected show in gcc5.4 , "-Wno-error=stringop-overflow"
is an unrecognized command line option which is available in gcc12.
Thanks,
Christine (Yuwei)
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Yuwei
> Chen
> Sent: Thursday, March 31, 2022 8:51 AM
> To: Gerd Hoffmann <kra...@redhat.com>; devel@edk2.groups.io
> Cc: Feng, Bob C <bob.c.f...@intel.com>; Rebecca Cran
> <rebe...@bsdio.com>; Pawel Polawski <ppola...@redhat.com>; Oliver
> Steffen <ostef...@redhat.com>; Gao, Liming <gaolim...@byosoft.com.cn>
> Subject: Re: [edk2-devel] [PATCH v2 1/1] Basetools: fix gcc workaround
>
> Hi Hoffmann,
>
> I received some reports that some platforms are using gcc5.4. With this patch,
> these platform builds are still broken.
> Would you like to revert the original commits?
>
> Thanks,
> Christine (Yuwei)
>
> > -----Original Message-----
> > From: Gerd Hoffmann <kra...@redhat.com>
> > Sent: Tuesday, March 29, 2022 4:38 PM
> > To: devel@edk2.groups.io
> > Cc: Feng, Bob C <bob.c.f...@intel.com>; Rebecca Cran
> > <rebe...@bsdio.com>; Pawel Polawski <ppola...@redhat.com>; Oliver
> > Steffen <ostef...@redhat.com>; Chen, Christine
> <yuwei.c...@intel.com>;
> > Gao, Liming <gaolim...@byosoft.com.cn>; Gerd Hoffmann
> > <kra...@redhat.com>
> > Subject: [PATCH v2 1/1] Basetools: fix gcc workaround
> >
> > Apply the workaround only in case the compiler is gcc.
> > Fixes builds with clang.
> >
> > Fixes: 22130dcd98b4 ("Basetools: turn off gcc12 warning")
> > Reported-by: Rebecca Cran <rebe...@bsdio.com>
> > Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
> > ---
> > BaseTools/Source/C/DevicePath/GNUmakefile | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/BaseTools/Source/C/DevicePath/GNUmakefile
> > b/BaseTools/Source/C/DevicePath/GNUmakefile
> > index b05d2bddfa68..6323e7355cc8 100644
> > --- a/BaseTools/Source/C/DevicePath/GNUmakefile
> > +++ b/BaseTools/Source/C/DevicePath/GNUmakefile
> > @@ -13,8 +13,10 @@ OBJECTS = DevicePath.o UefiDevicePathLib.o
> > DevicePathFromText.o DevicePathUtili
> >
> > include $(MAKEROOT)/Makefiles/app.makefile
> >
> > +ifneq ($(CXX), llvm)
> > # gcc 12 trips over device path handling BUILD_CFLAGS += -Wno-
> > error=stringop-overflow
> > +endif
> >
> > LIBS = -lCommon
> > ifeq ($(CYGWIN), CYGWIN)
> > --
> > 2.35.1
>
>
>
>
>
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