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Fix build for O32 systems without a TARGET_CPUTYPE defined. We must default to

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MIPS-III because FreeBSD relies on a number of MIPS-III features; the ABI
default would be MIPS-I which we don't intend to support.  Our old default
before I switched to using the ABI default was MIPS32.
This commit is contained in:
jmallett 2010-06-02 21:15:00 +00:00
parent e5f96a4e05
commit 4fa69f6443
1 changed files with 8 additions and 0 deletions
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8
gnu/usr.bin/cc/Makefile.inc
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@ -49,6 +49,14 @@ MIPS_ABI_DEFAULT=ABI_64
MIPS_ABI_DEFAULT?=ABI_32
CFLAGS += -DMIPS_ABI_DEFAULT=${MIPS_ABI_DEFAULT}
# If we are compiling for the O32 ABI, we need to default to MIPS-III rather
# than taking the ISA from the ABI requirements, since FreeBSD is built with
# a number of MIPS-III features/instructions and that is the minimum ISA we
# support, not the O32 default MIPS-I.
.if ${MIPS_ABI_DEFAULT} == "ABI_32"
TARGET_CPUTYPE?=mips3
.endif
# GCC by default takes the ISA from the ABI's requirements. If world is built
# with a superior ISA, since we lack multilib, we have to set the right
# default ISA to be able to link against what's in /usr/lib. Terrible stuff.