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Allow MIPS lib32 to build with clang.

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Don't try to set -march as clang doesn't permit use of the O32 ABI
with newer CPU microarchitectures like 'mips3'.  In addition, clang
doesn't permit the O32 ABI with the default N64 target, so use an
explicit O32 -target for clang.

Sponsored by:	DARPA / AFRL
This commit is contained in:
John Baldwin 2018-01-11 19:24:44 +00:00
parent d162bbc1d3
commit 8d286bb992
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=327841
1 changed files with 9 additions and 0 deletions
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9
Makefile.libcompat
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@ -35,11 +35,20 @@ LIB32WMAKEFLAGS= \
OBJCOPY="${XOBJCOPY}"
.elif ${TARGET_ARCH:Mmips64*} != ""
.if ${WANT_COMPILER_TYPE} == clang || \
(defined(X_COMPILER_TYPE) && ${X_COMPILER_TYPE} == clang)
.if ${TARGET_ARCH:Mmips64el*} != ""
LIB32CPUFLAGS= -target mipsel-unknown-freebsd12.0
.else
LIB32CPUFLAGS= -target mips-unknown-freebsd12.0
.endif
.else
.if empty(TARGET_CPUTYPE)
LIB32CPUFLAGS= -march=mips3
.else
LIB32CPUFLAGS= -march=${TARGET_CPUTYPE}
.endif
.endif
LIB32CPUFLAGS+= -mabi=32
LIB32WMAKEENV= MACHINE=mips MACHINE_ARCH=mips
.if ${TARGET_ARCH:Mmips64el*} != ""