Guido Guenther wrote: [snip] > > > So to build kernels for say IP22 R5k I'd change the current > > > GCCFLAGS += -mcpu=r5000 -mips2 -Wa,--trap > > > to > > > GCCFLAGS += -mabi=o32 -march=R5000 -mtune=R5000 -Wa,--trap > > > where as for R4X00 I use > > > GCCFLAGS += -mabi=o32 -march=R4600 -mtune=R4600 -Wa,--trap > > > Correct? > > > > Yes, this should work. You can leave the -mtune out, since it defaults > > to the value of -march anyway. > Just for completeness: I had to use: > GCCFLAGS += -mabi=32 -march=r4600 -mtune=r4600 -Wa,--trap > to make gcc-3.3 happy (note the 32 instead of o32). Yes, IIRC 64 vs. n64 has the same problem. > gcc-3.2 doesn't seem > to handle these options correctly at all. AFAICS you can still drop the -mtune part. Thiemo
