Hi All,
I am trying to build AppPkg under edk2-libc project using the clang compiler
tool chain from Ubuntu 20.04 system.
While doing so I am encountering an error, which I am not able to resolve.
This error is coming from the Standard C Library module as shown below.
Any clues to solve this error would be of great help as I am planning to add
build support for Python 3.6.8 on UEFI shell using the Clang compiler tool
chain.
"""
Getting the following error while trying to compile the AppPkg from edk2 build
environment using the CLANG38 tool option.
Building ... /home/jp/src/edk2/StdLib/EfiSocketLib/EfiSocketLib.inf [X64]
/home/jp/src/edk2/StdLib/LibC/Uefi/SysCalls.c:1427:3: error: 'va_start' used in
Win64 ABI function
va_start(ap, path);
^
/home/jp/src/edk2/StdLib/Include/stdarg.h:69:21: note: expanded from macro
'va_start'
#define va_start __builtin_va_start
^
1 error generated.
"clang" -MMD -MF
/home/jp/src/edk2/Build/AppPkg/RELEASE_CLANG38/X64/StdLib/EfiSocketLib/EfiSocketLib/OUTPUT/Tcp4.obj.deps
-g -Os -fshort-wchar -fno-builtin -fno-strict-aliasing -Wall -Werror
-Wno-array-bounds -include AutoGen.h -fno-common -ffunction-sections
-fdata-sections -DSTRING_ARRAY_NAME=EfiSocketLibStrings
-Wno-parentheses-equality -Wno-tautological-compare
-Wno-tautological-constant-out-of-range-compare -Wno-empty-body
-Wno-unused-const-variable -Wno-varargs -Wno-unknown-warning-option
-Wno-unused-but-set-variable -Wno-unused-const-variable -fno-stack-protector
-mms-bitfields -Wno-address -Wno-shift-negative-value -Wno-unknown-pragmas
-Wno-incompatible-library-redeclaration -fno-asynchronous-unwind-tables
-mno-sse -mno-mmx -msoft-float -mno-implicit-float
-ftrap-function=undefined_behavior_has_been_optimized_away_by_clang
-funsigned-char -fno-ms-extensions -Wno-null-dereference -m64
"-DEFIAPI=__attribute__((ms_abi))" -mno-red-zone -mcmodel=small -fpie -Oz -flto
-target x86_64-pc-linux-gnu -nostdinc -nostdlib -DUEFI_C_SOURCE -c -o
/home/jp/src/edk2/Build/AppPkg/RELEASE_CLANG38/X64/StdLib/EfiSocketLib/EfiSocketLib/OUTPUT/./Tcp4.obj
-I/home/jp/src/edk2/StdLib/EfiSocketLib
-I/home/jp/src/edk2/Build/AppPkg/RELEASE_CLANG38/X64/StdLib/EfiSocketLib/EfiSocketLib/DEBUG
-I/home/jp/src/edk2/MdePkg -I/home/jp/src/edk2/MdePkg/Include
-I/home/jp/src/edk2/MdePkg/Test/UnitTest/Include
-I/home/jp/src/edk2/MdePkg/Include/X64 -I/home/jp/src/edk2/MdeModulePkg
-I/home/jp/src/edk2/MdeModulePkg/Include -I/home/jp/src/edk2/StdLib
-I/home/jp/src/edk2/StdLib/Include -I/home/jp/src/edk2/StdLib/Include/X64
/home/jp/src/edk2/StdLib/EfiSocketLib/Tcp4.c
make: *** [GNUmakefile:309:
/home/jp/src/edk2/Build/AppPkg/RELEASE_CLANG38/X64/StdLib/LibC/Uefi/Uefi/OUTPUT/SysCalls.obj]
Error 1
build.py...
: error 7000: Failed to execute command
make tbuild
[/home/jp/src/edk2/Build/AppPkg/RELEASE_CLANG38/X64/StdLib/LibC/Uefi/Uefi]
"""
Regards,
JP
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