LLVM Minix changes

- import libcxx
 - reduce targets to the one when compiled as a tools

Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496

sys/arch/i386/stand/boot/Makefile.boot

@@ -110,8 +110,6 @@ KERN_AS= library
 LIBKERN= ${KERNLIB}
 .else
 
-# When using gold linker, specify the linker script
-GOLDLINKERSCRIPT?= ${LDS_N}
 USE_BITCODE=no
 
 # use MINIX minc

sys/arch/i386/stand/bootxx/Makefile.bootxx

@@ -5,6 +5,9 @@ S=	${.CURDIR}/../../../../..
 AFLAGS.bootxx.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
 AFLAGS.label.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
 AFLAGS.pbr.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
+.if defined(__MINIX)
+AFLAGS.bootxx.S+= -Wa,--divide
+.endif
 
 PIE_CFLAGS=
 PIE_LDFLAGS=
@@ -70,11 +73,7 @@ CPPFLAGS+= -DEPIA_HACK
 CPUFLAGS=  -march=i386 -mtune=i386
 .endif
 
-.if defined(__MINIX)
-CFLAGS+= -Wmissing-prototypes -Wstrict-prototypes
-.else
 CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
-.endif
 CPPFLAGS+= -nostdinc -D_STANDALONE
 CPPFLAGS+= -I$S
 
@@ -105,10 +104,6 @@ LIBI386= ${I386LIB}
 ### find out what to use for libsa
 SA_AS= library
 SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
-.if defined(__MINIX)
-SAMISCMAKEFLAGS+="SA_INCLUDE_NET=no"
-AFLAGS+=       -Wa,--divide
-.endif
 .include "${S}/lib/libsa/Makefile.inc"
 LIBSA= ${SALIB}
 
@@ -119,8 +114,8 @@ KERN_AS=        library
 LIBKERN=        ${KERNLIB}
 .else
 
-# When using gold linker, specify the linker script
-GOLDLINKERSCRIPT?= ${LDS_N}
+SAMISCMAKEFLAGS+="SA_INCLUDE_NET=no"
+
 USE_BITCODE=no
 
 # use MINIX minc

sys/arch/i386/stand/cdboot/Makefile

@@ -3,6 +3,9 @@
 S=		${.CURDIR}/../../../..
 
 AFLAGS.cdboot.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
+.if defined(__MINIX)
+AFLAGS.cdboot.S+=	-Wa,--divide
+.endif # defined(__MINIX)
 
 PIE_CFLAGS=
 PIE_LDFLAGS=
@@ -11,10 +14,6 @@ PIE_AFLAGS=
 NOMAN=		# defined
 .include <bsd.own.mk>
 
-.if defined(__MINIX)
-AFLAGS+=       -Wa,--divide
-.endif # defined(__MINIX)
-
 STRIPFLAG=	# nothing
 
 LIBCRT0=	# nothing

sys/arch/i386/stand/mbr/Makefile.mbr

@@ -26,16 +26,6 @@ BINMODE=	444
 
 LDFLAGS+=	-nostdlib -Wl,-e,start
 CPPFLAGS+=	-I. -I${.CURDIR}/../../lib -I${S}
-.if defined(__MINIX)
-CPPFLAGS+= -DLOADADDR=${LOADADDR}
-AFLAGS+=       -Wa,--divide
-
-BUILDSYMLINKS+= \
-	${NETBSDSRCDIR}/include/arch/i386/include/stackframe.h machine/stackframe.h \
-	${NETBSDSRCDIR}/include/arch/i386/include/fpu.h machine/fpu.h
-
-DPSRCS+= machine/stackframe.h  machine/fpu.h
-.endif # defined(__MINIX)
 
 .if ${MACHINE_ARCH} == "x86_64"
 LDFLAGS+=	-Wl,-m,elf_i386
@@ -54,6 +44,17 @@ LOADADDR=	0x8800
 AFLAGS.mbr.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
 AFLAGS.gpt.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
 
+.if defined(__MINIX)
+CPPFLAGS+= -DLOADADDR=${LOADADDR}
+AFLAGS.mbr.S+=	-Wa,--divide
+
+BUILDSYMLINKS+= \
+	${NETBSDSRCDIR}/include/arch/i386/include/stackframe.h machine/stackframe.h \
+	${NETBSDSRCDIR}/include/arch/i386/include/fpu.h machine/fpu.h
+
+DPSRCS+= machine/stackframe.h  machine/fpu.h
+.endif # defined(__MINIX)
+
 ${PROG}: ${OBJS}
 	${_MKTARGET_LINK}
 .if defined(__MINIX)

sys/arch/i386/stand/mbr/gptmbr/Makefile

@@ -5,6 +5,10 @@ SRCS=		gptmbr.S
 
 AFLAGS.gptmbr.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
 
+.if defined(__MINIX)
+AFLAGS.gptmbr.S+= -Wa,--divide
+.endif # defined(__MINIX)
+
 .include <../Makefile.mbr>
 
 LOADADDR=	0x600