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On Tue, Jul 09, 2002 at 08:21:31PM +0200, Martin Schwidefsky wrote: > Hi, > I unified the bits and sys header files of s390-32 and s390-64. The goal is to > be able to compile 31 bit binaries on a 64 bit system with the gcc switch -m31. > The biarch support in the binutils already works, the compiler is almost done. > Only the kernel header files are yet to be done. You could use similar script like Sparc linux is using - BuildASM is a simple script which for /usr/include/asm-sparc and /usr/include/asm-sparc64 creates /usr/include/asm directory, which contains headers like: #ifndef __SPARCSTUB__ASI_H__ #define __SPARCSTUB__ASI_H__ #ifdef __arch64__ #include <asm-sparc64/asi.h> #else #include <asm-sparc/asi.h> #endif #endif (if both exist and are different, link to one of the files if they are equal and have the corresponding #if/#else part removed if some header exists for 32-bit or 64-bit only). Jakub
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