Remove MK_ARM_EABI, the armeb issues have been fixed. The code to support

the oabi is still in the tree, but it is expected this will be removed
as developers work on surrounding code.

With this commit the ARM EABI is the only supported supported ABI by
FreeBSD on ARMa 32-bit processors.

X-MFC after:	never
Relnotes:	yes
Differential Revision: https://reviews.freebsd.org/D876

gnu/lib/csu/Makefile

@@ -24,7 +24,7 @@ CFLAGS+=	-I${GCCLIB}/include -I${GCCDIR}/config -I${GCCDIR} -I. \
 CRTS_CFLAGS=	-DCRTSTUFFS_O -DSHARED ${PICFLAG}
 MKDEP=		-DCRT_BEGIN
 
-.if ${TARGET_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+.if ${TARGET_CPUARCH} == "arm"
 CFLAGS+=	-DTARGET_ARM_EABI
 .endif
 

gnu/lib/libgcc/Makefile

@@ -15,7 +15,7 @@ MK_SSP=	no
 
 .include "${.CURDIR}/../../usr.bin/cc/Makefile.tgt"
 
-.if ${TARGET_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+.if ${TARGET_CPUARCH} == "arm"
 CFLAGS+=	-DTARGET_ARM_EABI
 .endif
 
@@ -56,7 +56,7 @@ LIB2FUNCS+= _fixuns${mode}si
 .endfor
 
 # Likewise double-word routines.
-.if ${TARGET_CPUARCH} != "arm" || ${MK_ARM_EABI} == "no"
+.if ${TARGET_CPUARCH} != "arm"
 # These are implemented in an ARM specific file but will not be filtered out
 .for mode in sf df xf tf
 LIB2FUNCS+= _fix${mode}di _fixuns${mode}di
@@ -117,14 +117,10 @@ CFLAGS.clang+=	-fheinous-gnu-extensions
 
 LIB1ASMSRC =	lib1funcs.asm
 LIB1ASMFUNCS =  _dvmd_tls _bb_init_func
-.if ${MK_ARM_EABI} != "no"
 LIB2ADDEH =	unwind-arm.c libunwind.S pr-support.c unwind-c.c
 # Some compilers generate __aeabi_ functions libgcc_s is missing
 DPADD+=		${LIBCOMPILER_RT}
 LDADD+=		-lcompiler_rt
-.else
-LIB2FUNCS_EXTRA = floatunsidf.c floatunsisf.c
-.endif
 .endif
 
 .if ${TARGET_CPUARCH} == mips
@@ -319,7 +315,7 @@ CLEANFILES += cs-*.h option*
 SHLIB_MKMAP      = ${GCCDIR}/mkmap-symver.awk
 SHLIB_MKMAP_OPTS =
 SHLIB_MAPFILES   = ${GCCDIR}/libgcc-std.ver
-.if ${TARGET_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+.if ${TARGET_CPUARCH} == "arm"
 SHLIB_MAPFILES  += ${GCCDIR}/config/arm/libgcc-bpabi.ver
 .endif
 VERSION_MAP      = libgcc.map

gnu/lib/libgcov/Makefile

@@ -17,7 +17,7 @@ CFLAGS+=	-D_PTHREADS -DGTHREAD_USE_WEAK
 CFLAGS+=	-I${.CURDIR}/../../usr.bin/cc/cc_tools \
 		-I${GCCLIB}/include -I${GCCDIR}/config -I${GCCDIR} -I.
 
-.if ${TARGET_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+.if ${TARGET_CPUARCH} == "arm"
 CFLAGS+=	-DTARGET_ARM_EABI
 .endif
 

gnu/lib/libstdc++/Makefile

@@ -16,9 +16,6 @@ LIB=		stdc++
 SHLIB_MAJOR=	6
 
 CFLAGS+=	-DIN_GLIBCPP_V3 -DHAVE_CONFIG_H
-.if ${MACHINE_CPUARCH} == "arm" && ${MK_ARM_EABI} == "no"
-CFLAGS+=	-D_GLIBCXX_SJLJ_EXCEPTIONS=1
-.endif
 CFLAGS+=	-I${.CURDIR} -I${SUPDIR} -I${GCCDIR} -I${SRCDIR}/include
 CFLAGS+=	-I${GCCLIB}/include -I${SRCDIR}/include -I.
 CFLAGS+=	-frandom-seed=RepeatabilityConsideredGood
@@ -596,7 +593,7 @@ gthr-default.h: ${GCCDIR}/gthr-posix.h
 
 CLEANFILES+=	${THRHDRS}
 
-.if ${MACHINE_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+.if ${MACHINE_CPUARCH} == "arm"
 unwind.h: ${GCCDIR}/config/arm/unwind-arm.h
 .else
 unwind.h: ${GCCDIR}/unwind-generic.h

gnu/lib/libsupc++/Makefile

@@ -22,9 +22,6 @@ SRCS+=	del_op.cc del_opnt.cc del_opv.cc del_opvnt.cc eh_alloc.cc eh_arm.cc \
 SRCS+=	cp-demangle.c
 
 CFLAGS+=	-DIN_GLIBCPP_V3 -DHAVE_CONFIG_H
-.if ${MACHINE_CPUARCH} == "arm" && ${MK_ARM_EABI} == "no"
-CFLAGS+=	-D_GLIBCXX_SJLJ_EXCEPTIONS=1
-.endif
 CFLAGS+=	-I${GCCLIB}/include -I${SRCDIR} -I${GCCDIR}
 CFLAGS+=	-I${.CURDIR}/../libstdc++ -I.
 CFLAGS+=	-frandom-seed=RepeatabilityConsideredGood
@@ -35,7 +32,7 @@ HDRS=	exception new typeinfo cxxabi.h exception_defines.h
 INCS=	${HDRS:S;^;${SRCDIR}/;}
 INCSDIR=${INCLUDEDIR}/c++/${GCCVER}
 
-.if ${MACHINE_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
+.if ${MACHINE_CPUARCH} == "arm"
 unwind.h: ${GCCDIR}/config/arm/unwind-arm.h
 .else
 unwind.h: ${GCCDIR}/unwind-generic.h