cmake COMPILER_RT_HAS_FPIC_FLAG examples

Lewuathe/mlir-hello thirdparty/llvm-project/compiler-rt/cmake/config-ix.cmake :94 

check_cxx_compiler_flag(-fPIC                COMPILER_RT_HAS_FPIC_FLAG)

trailofbits/polytracker polytracker/src/compiler-rt/cmake/config-ix.cmake :59 

check_cxx_compiler_flag(-fPIC                COMPILER_RT_HAS_FPIC_FLAG)

CTSRD-CHERI/cheribsd contrib/subrepo-cheri-compiler-rt/cmake/config-ix.cmake :72 

check_cxx_compiler_flag(-fPIC                COMPILER_RT_HAS_FPIC_FLAG)