sys_id => System identity for systems where that
is difficult to determine automatically.
- cc => The compiler command, usually one of "cc",
+ cc => The C compiler command, usually one of "cc",
"gcc" or "clang". This command is normally
also used to link object files and
libraries into the final program.
+ cxx => The C++ compiler command, usually one of
+ "c++", "g++" or "clang++". This command is
+ also used when linking a program where at
+ least one of the object file is made from
+ C++ source.
cflags => Flags that are used at all times when
- compiling.
+ compiling C object files.
+ cxxflags => Flags that are used at all times when
+ compiling C++ object files. If unset, it
+ gets the same value as cflags.
defines => As an alternative, macro definitions may be
present here instead of in `cflags'. If
given here, they MUST be as an array of the