cmake LIBUNWIND_HAS_C_LIB examples

Lewuathe/mlir-hello thirdparty/llvm-project/libunwind/cmake/config-ix.cmake :17 

check_library_exists(c fopen "" LIBUNWIND_HAS_C_LIB)

KiCad/kicad-source-mirror thirdparty/sentry-native/external/crashpad/libunwind/cmake/config-ix.cmake :8 

check_library_exists(c fopen "" LIBUNWIND_HAS_C_LIB)

flyinghead/flycast core/deps/libunwind/libunwind/cmake/config-ix.cmake :14 

check_library_exists(c fopen "" LIBUNWIND_HAS_C_LIB)

WebAssembly/wasm-jit-prototype ThirdParty/libunwind/cmake/config-ix.cmake :6 

check_library_exists(c fopen "" LIBUNWIND_HAS_C_LIB)

Pylir/Pylir 3rdParty/libunwind/cmake/config-ix.cmake :8 

check_library_exists(c fopen "" LIBUNWIND_HAS_C_LIB)

CTSRD-CHERI/cheribsd contrib/subrepo-cheri-libunwind/cmake/config-ix.cmake :14 

check_library_exists(c fopen "" LIBUNWIND_HAS_C_LIB)