None.
Compiles any file as a C++ language file.
This option is equivalent to the -qsourcetype=c++ option.
You can use -+ to compile a file with any suffix other than .a, .o, .so, .S or .s. If you do not use the -+ option, files must have a suffix of .C (uppercase C), .cc, .cp, .cpp, .cxx, or .c++ to be compiled as a C++ file. If you compile files with suffix .c (lowercase c) without specifying -+, the files are compiled as a C language file.
The -+ option should not be used together with the -qsourcetype option.
None.
To compile the file myprogram.cplspls as a C++ source file, enter:
xlc++ -+ myprogram.cplspls