path seems not escaped in rsp file using ninja

cmake version 4.0.3
ninja version: 1.11.1
Compiler: Hightech tricore-gcc

When archiving the object files, the tricore-ar gives the error in below image.

It seems missing the path separator.

Parts of rsp file content in below.

lib\CMakeFiles\Bsw.dir\src\bsw\Bfx\src\Bfx_Bit.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\Bfx\src\Bfx_GetVersionInfo.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\Bfx\src\Bfx_TstParityEven_u16_u8.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\Bfx\src\Bfx_TstParityEven_u32_u8.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\Bfx\src\Bfx_TstParityEven_u64_u8.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\Bfx\src\Bfx_TstParityEven_u8_u8.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\BswM\src\BswM.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\BswM\src\BswM_CanSM.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\BswM\src\BswM_ComM.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\BswM\src\BswM_DCM.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\BswM\src\BswM_EcuM.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\BswM\src\BswM_EthIf.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\BswM\src\BswM_EthSM.c.obj
lib\CMakeFiles\Bsw.dir\src\bsw\BswM\src\BswM_FrSM.c.obj