Re: #define __linux__

Jim Freeman (jfree@sovereign.org)
Sat, 22 Aug 1998 20:22:51 -0600 (MDT)

> Now where is __linux__ set?? I can not find a singe define for this and
> yet when I compile with the normal compiler its set.

man cpp

cpp predefines:

$ > foo.h

$ /lib/cpp -dM foo.h
#define linux 1
#define i386 1
#define __ELF__ 1
#define unix 1

gcc+cpp predefine:
$ cc -E -dM foo.h
#define __linux__ 1
#define linux 1
#define __i386__ 1
#define __i386 1
#define __GNUC_MINOR__ 7
#define __i486__ 1
#define i386 1
#define __unix 1
#define __unix__ 1
#define __GNUC__ 2
#define __linux 1
#define __ELF__ 1
#define unix 1

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