Visual Studio Code environment for armclang?

CMake configuration then fails as follows:
[cmake] -- The C compiler identification is ARMClang 6.16.1
[cmake] -- The CXX compiler identification is ARMClang 6.16.1
[cmake] -- Detecting C compiler ABI info
[cmake] -- Detecting C compiler ABI info - failed
[cmake] -- Check for working C compiler: C:/Program Files/Arm/Development Studio 2021.1/sw/ARMCompiler6.16/bin/armclang.exe
[cmake] -- Check for working C compiler: C:/Program Files/Arm/Development Studio 2021.1/sw/ARMCompiler6.16/bin/armclang.exe - broken
[cmake] CMake Error at C:/Program Files/CMake/share/cmake-3.22/Modules/CMakeTestCCompiler.cmake:69 (message):
[cmake]  The C compiler
[cmake]
[cmake]  "C:/Program Files/Arm/Development Studio 2021.1/sw/ARMCompiler6.16/bin/armclang.exe"
[cmake]
[cmake]  is not able to compile a simple test program.
[cmake]
[cmake]  It fails with the following output:
[cmake]
[cmake]   Change Dir: C:/SVNProj/Elysion/trunk/software/prototypes/elysion_arm_studio_4/build/CMakeFiles/CMakeTmp
[cmake]  
[cmake]   Run Build Command(s):C:/bin/ninja-win/ninja.exe cmTC_5d897 && [1/2] Building C object CMakeFiles/cmTC_5d897.dir/testCCompiler.o
[cmake]   warning: 'armv4t' is unsupported in this version of the product
[cmake]   warning: 'arm7tdmi' is unsupported in this version of the product
[cmake]   [2/2] Linking C static library libcmTC_5d897.a
[cmake]   FAILED: libcmTC_5d897.a
[cmake]   cmd.exe /C "cd . && C:\Strawberry\c\bin\ar.exe --create -cr libcmTC_5d897.a  CMakeFiles/cmTC_5d897.dir/testCCompiler.o && cd ."
[cmake]   C:\Strawberry\c\bin\ar.exe: unknown option -- create
[cmake]   Usage: C:\Strawberry\c\bin\ar.exe [emulation options] [-]{dmpqrstx}[abcDfilMNoOPsSTuvV] [--plugin <name>] [member-name] [count] archive-file file...
[cmake]          C:\Strawberry\c\bin\ar.exe -M [<mri-script]
[cmake]   commands:
[cmake]    d            - delete file(s) from the archive
[cmake]    m[ab]        - move file(s) in the archive
[cmake]    p            - print file(s) found in the archive
[cmake]    q[f]         - quick append file(s) to the archive
[cmake]    r[ab][f][u]  - replace existing or insert new file(s) into the archive
[cmake]    s            - act as ranlib
[cmake]    t[O][v]      - display contents of the archive
[cmake]  x[o]         - extract file(s) from the archive
[cmake] command specific modifiers:
[cmake]  [a]          - put file(s) after [member-name]
[cmake]  [b]          - put file(s) before [member-name] (same as [i])
[cmake]  [D]          - use zero for timestamps and uids/gids
[cmake]  [U]          - use actual timestamps and uids/gids (default)
[cmake]  [N]          - use instance [count] of name
[cmake]  [f]          - truncate inserted file names
[cmake]  [P]          - use full path names when matching
[cmake]  [o]          - preserve original dates
[cmake]  [O]          - display offsets of files in the archive
[cmake]  [u]          - only replace files that are newer than current archive contents
[cmake]  generic modifiers:
[cmake]  [c]          - do not warn if the library had to be created
[cmake]  [s]          - create an archive index (cf. ranlib)
[cmake]  [S]          - do not build a symbol table
[cmake]  [T]          - make a thin archive
[cmake]  [v]          - be verbose
[cmake]  [V]          - display the version number
[cmake]  @<file>      - read options from <file>
[cmake]  --target=BFDNAME - specify the target object format as BFDNAME
[cmake]  optional:
[cmake]  --plugin <p> - load the specified plugin
[cmake]  emulation options:
[cmake]  No emulation specific options
[cmake]  C:\Strawberry\c\bin\ar.exe: supported targets: pe-x86-64 pei-x86-64 pe-bigobj-x86-64 elf64-x86-64 elf64-l1om elf64-k1om pe-i386 pei-i386 elf32-i386 elf32-iamcu elf64-little elf64-big elf32-little elf32-big plugin srec symbolsrec verilog tekhex binary ihex
[cmake]  ninja: build stopped: subcommand failed.
[cmake] 
[cmake] [cmake]
[cmake] [cmake]
[cmake]  CMake will not be able to correctly generate this project.