clang version 14.0.1 Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/lib/llvm/14/bin clang version 14.0.1 Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/lib/llvm/14/bin Selected GCC installation: /usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0 Candidate multilib: .;@m64 Candidate multilib: 32;@m32 Selected multilib: .;@m64 clang-14: error: unsupported option '-V -o' clang-14: error: no such file or directory: 'garbage2' clang-14: error: no input files ignoreme: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype] static char *e (p, i) ^ ignoreme: error: unknown type name 'choke' choke me ^ ignoreme: error: expected ';' after top level declarator choke me ^ ; 2 errors generated. ignoreme: warning: incompatible redeclaration of library function 'strerror' [-Wincompatible-library-redeclaration] char strerror (); ^ ignoreme: note: 'strerror' is a builtin with type 'char *(int)' /usr/bin/x86_64-pc-linux-gnu-ld: cannot find -lcposix: No such file or directory clang-14: error: linker command failed with exit code 1 (use -v to see invocation) clang version 14.0.1 Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/lib/llvm/14/bin clang version 14.0.1 Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/lib/llvm/14/bin Selected GCC installation: /usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0 Candidate multilib: .;@m64 Candidate multilib: 32;@m32 Selected multilib: .;@m64 clang-14: error: unsupported option '-V -o' clang-14: error: no such file or directory: 'garbage2' clang-14: error: no input files ignoreme: error: unknown type name 'choke' choke me ^ ignoreme: error: expected ';' after top level declarator choke me ^ ; 2 errors generated. ignoreme: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype] static char *e (p, i) ^ ignoreme: fatal error: 'ac_nonexistent.h' file not found #include ^~~~~~~~~~~~~~~~~~ ignoreme: fatal error: 'ac_nonexistent.h' file not found #include ^~~~~~~~~~~~~~~~~~ ignoreme: error: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] exit(2); ^ ignoreme: note: include the header or explicitly provide a declaration for 'exit' /usr/bin/x86_64-pc-linux-gnu-ld ignoreme: warning: variable named 'main' with external linkage has undefined behavior [-Wmain] extern char main; ^ error: unable to open output file 'garbage2': 'Permission denied' clang-14: error: cannot specify -o when generating multiple output files clang version 14.0.1 Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/lib/llvm/14/bin Selected GCC installation: /usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0 Candidate multilib: .;@m64 Candidate multilib: 32;@m32 Selected multilib: .;@m64 "/usr/bin/x86_64-pc-linux-gnu-ld" --eh-frame-hdr -m elf_x86_64 -shared -o garbage2 /usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0/../../../../lib64/crti.o /usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0/crtbeginS.o -L/usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0 -L/usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0/../../../../x86_64-pc-linux-gnu/lib -L/lib -L/usr/lib conftest.o -soname conftest -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0/crtendS.o /usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0/../../../../lib64/crtn.o