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

This commit is contained in:

John Baldwin

2018-01-11 19:24:44 +00:00

parent d162bbc1d3

commit 8d286bb992

1 changed files with 9 additions and 0 deletions

									
										Makefile.libcompat
									
		+9
		
												View File
												
				@@ -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*} != ""