Author: jhb
Date: Thu Jan 11 19:24:44 2018
New Revision: 327841
URL: https://svnweb.freebsd.org/changeset/base/327841
Log:
Allow MIPS lib32 to build with clang.
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
Modified:
head/Makefile.libcompat
Modified: head/Makefile.libcompat
==============================================================================
--- head/Makefile.libcompat Thu Jan 11 19:08:43 2018 (r327840)
+++ head/Makefile.libcompat Thu Jan 11 19:24:44 2018 (r327841)
@@ -35,10 +35,19 @@ 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
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