[edk2-devel] Make edk2 fail on Red Hat 8.0

[Gary Lin]

On Fri, Jul 05, 2019 at 07:25:18AM +0000,  Liming Gao  wrote:
> Can you let me know your GCC compiler version?
> 
I also encountered the error. My system is openSUSE Tumbleweed, and the
gcc version is 9.1.1.

It seems the new gcc is restricter on memset and strncat.

Gary Lin

> From: devel at edk2.groups.io [mailto:devel at edk2.groups.io] On Behalf Of Chen, Farrah
> Sent: Friday, July 05, 2019 3:10 PM
> To: devel at edk2.groups.io
> Cc: Hao, Xudong <xudong.hao at intel.com>; Wei, Danmei <danmei.wei at intel.com>
> Subject: [edk2-devel] Make edk2 fail on Red Hat 8.0
> 
> Hi,
> 
> I tried to make ovmf with the latest commit: 0a487ef96bd6d2e0ac23323adab86f9949068ed6 on Red Hat 8.0, it failed, while it succeed on Red Hat 7.6.
> With commit 4b04d9d73604080a42daf737c39b98d4e1245a51 I used several days ago, it works well on both RHEL8.0 and RHEL7.6.
> 
> Steps:
> git clone https://github.com/tianocore/edk2.git
> cd edk2
> git submodule init
> git submodule update -recursive
> OvmfPkg/build.sh -a X64 -n 40
> ...............
> make -C FMMT
> make[2]: Entering directory '/home/build/fan/edk2/BaseTools/Source/C/FMMT'
> gcc  -c  -I .. -I ../Include/Common -I ../Include/ -I ../Include/IndustryStandard -I ../Common/ -I .. -I . -I ../Include/X64/  -MD -fshort-wchar -fno-strict-aliasing -fwrapv -fno-delete-null-pointer-checks -Wall -Werror -Wno-deprecated-declarations -Wno-stringop-truncation -Wno-restrict -Wno-unused-result -nostdlib -g -O2  FmmtLib.c -o FmmtLib.o
> FmmtLib.c: In function 'LibInitializeFvStruct':
> FmmtLib.c:158:5: error: 'memset' used with length equal to number of elements without multiplication by element size [-Werror=memset-elt-size]
>      memset (Fv->FfsAttuibutes[Index].UiName, '\0', _MAX_PATH);
>      ^~~~~~
> FmmtLib.c: In function 'LibFvHeaderAttributeToStr':
> FmmtLib.c:2521:47: error: argument to 'sizeof' in 'strncat' call is the same expression as the source; did you mean to use the size of the destination? [-Werror=sizeof-pointer-memaccess]
>   strncat (LocalStr, "[attributes] \n", sizeof("[attributes] \n"));
>                                                ^
> FmmtLib.c:2524:66: error: argument to 'sizeof' in 'strncat' call is the same expression as the source; did you mean to use the size of the destination? [-Werror=sizeof-pointer-memaccess]
>      strncat (LocalStr, "EFI_READ_DISABLED_CAP = TRUE \n", sizeof ("EFI_READ_DISABLED_CAP = TRUE \n"));
> .....................
> 
> And detailed log attached.
> Could anyone provide some advice?
> 
> 
> Thanks,
> Fan
> 
> 
> 
> 
> 

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