Robert P. J. DAY says:
apparently, the patchset for gcc 4.2.1 applies properly to the
source for gcc 4.2.2 and gcc 4.2.3. so, if you want, you can simply
add support for those last two just by augmenting menuconfig and
adding a couple symlinks for those two directories. seems like a
cheap way to add a couple new versions.
1 diff -dur uClibc-0.9.28.orig/Rules.mak uClibc-0.9.28/Rules.mak
2 --- uClibc-0.9.28.orig/Rules.mak 2005-08-18 00:49:49.000000000 +0200
3 +++ uClibc-0.9.28/Rules.mak 2007-01-30 10:53:34.000000000 +0100
5 CPU_CFLAGS-$(CONFIG_MIPS_ISA_4)+=-mips4 -mtune=mips4
6 CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS32)+=-mips32 -mtune=mips32
7 CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS64)+=-mips64 -mtune=mips32
8 + CPU_CFLAGS-$(CONFIG_MIPS_ISA_CUSTOM)+=-march=$(CONFIG_MIPS_CPU_CFLAGS_CUSTOM)
11 ifeq ($(strip $(TARGET_ARCH)),sh)
12 diff -dur uClibc-0.9.28.orig/extra/Configs/Config.mips uClibc-0.9.28/extra/Configs/Config.mips
13 --- uClibc-0.9.28.orig/extra/Configs/Config.mips 2005-08-18 00:49:41.000000000 +0200
14 +++ uClibc-0.9.28/extra/Configs/Config.mips 2007-01-30 10:52:12.000000000 +0100
16 config CONFIG_MIPS_ISA_MIPS64
19 +config CONFIG_MIPS_ISA_CUSTOM
24 +config CONFIG_MIPS_CPU_CFLAGS_CUSTOM
27 + depends on CONFIG_MIPS_ISA_CUSTOM
30 + Enter your custom ISA here (eg: lx4189!).