Re: Per-architecture -D options?
Re: Per-architecture -D options?
- Subject: Re: Per-architecture -D options?
- From: "James Larcombe" <email@hidden>
- Date: Fri, 10 Feb 2006 16:56:42 -0000
Dave McCaldon wrote:
Is there a way to have architecture specific -D options, for example:
gcc .... -DMY_BIG_ENDIAN_ppc -DMY_LITTLE_ENDIAN_i386
Which will turn into -DMY_BIG_ENDIAN for PPC and -DMY_LITTLE_ENDIAN
for Intel?
I'm trying to avoid having to change any code (we have lots of source
files ...)!
Do you have a prefix file? If so you could use something like this:
#ifdef __LITTLE_ENDIAN__
#define MY_LITTLE_ENDIAN
#endif
and so on...
__LITTLE_ENDIAN__ and __BIG_ENDIAN__ are built-in to GCC I think.
James
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