Compiler diagnostics

Other error messages

The following messages may appear at compile time, but they are not generated by the compiler. Messages beginning with UX:as:ERROR are produced by as, the assembler. Messages beginning with UX:ld:ERROR are generated by ld, the link editor. Note that the format of the messages varies, and some of the messages are displayed over several lines.

   UX:as:ERROR: file.c
           aline n (cline n) : trouble writing; probably out of
           temp-file space

The file system may be low on space, or the temporary file or output file exceeded the current ulimit.

   UX:as:ERROR: file.c aline n (cline n)
           Cannot open Output File filename

The directory containing the source file is unwritable, or the file system containing source file is mounted read-only.

     UX:ld:ERROR:file:fatal error: symbol `sym' multiply-defined, also in file file1.o

A symbol name was defined more than once.

undefined first referenced symbol in file

sym1 file1.o

     UX:ld:ERROR:a.out:fatal error: Symbol referencing errors. No output written to a.out

A referenced symbol was not found. Compilation terminates.