remove stale gnu/lib/csu directory

As of r357338 gnu/lib/csu is never used.

gnu/lib/csu/Makefile

@@ -1,74 +0,0 @@
-# $FreeBSD$
-
-.include <src.opts.mk>
-MK_SSP=		no
-
-GCCDIR=	${SRCTOP}/contrib/gcc
-GCCLIB=	${SRCTOP}/contrib/gcclibs
-CCDIR=	${SRCTOP}/gnu/usr.bin/cc
-.include "${CCDIR}/Makefile.tgt"
-.include "${CCDIR}/cc_tools/Makefile.hdrs"
-
-.PATH: ${GCCDIR}/config/${GCC_CPU} ${GCCDIR}
-
-SRCS=		crtstuff.c ${COMMONHDRS}
-OBJS=		crtbegin.o crtend.o crtbeginT.o
-SOBJS=		crtbeginS.o crtendS.o
-DEPENDOBJS+=	${OBJS} ${SOBJS}
-CSTD?=		gnu89
-CFLAGS+=	-DIN_GCC -DHAVE_LD_EH_FRAME_HDR -DDT_CONFIG -D__GLIBC__=3
-CFLAGS.gcc+=	-finhibit-size-directive -fno-toplevel-reorder
-CFLAGS+=	-fno-inline-functions -fno-exceptions \
-		-fno-zero-initialized-in-bss -fno-asynchronous-unwind-tables \
-		-fno-omit-frame-pointer
-CFLAGS+=	-I${GCCLIB}/include -I${GCCDIR}/config -I${GCCDIR} -I. \
-		-I${CCDIR}/cc_tools
-CRTS_CFLAGS=	-DCRTSTUFFS_O -DSHARED ${PICFLAG}
-
-.if ${TARGET_CPUARCH} == "arm"
-CFLAGS+=	-DTARGET_ARM_EABI
-.endif
-
-.if ${MACHINE_CPUARCH} == "sparc64"
-TGTOBJS=	crtfastmath.o
-SRCS+=		crtfastmath.c
-.endif
-BEGINSRC?=	crtstuff.c
-ENDSRC?=	crtstuff.c
-
-FILES=		${OBJS} ${SOBJS} ${TGTOBJS}
-FILESMODE=	${LIBMODE}
-FILESOWN=	${LIBOWN}
-FILESGRP=	${LIBGRP}
-FILESDIR=	${LIBDIR}
-# These FILES qualify as libraries for the purpose of LIBRARIES_ONLY.
-.undef LIBRARIES_ONLY
-
-${OBJS} ${SOBJS}: ${SRCS:M*.h}
-
-CLEANFILES=	${OBJS} ${SOBJS} ${TGTOBJS}
-
-crtbegin.o:	${BEGINSRC}
-	${CC} ${CFLAGS} -g0 -DCRT_BEGIN \
-	    -c -o ${.TARGET} ${.ALLSRC:N*.h:[1]}
-
-crtbeginT.o:	${BEGINSRC}
-	${CC} ${CFLAGS} -g0 -DCRT_BEGIN -DCRTSTUFFT_O \
-	    -c -o ${.TARGET} ${.ALLSRC:N*.h:[1]}
-
-crtbeginS.o:	${BEGINSRC}
-	${CC} ${CFLAGS} -g0 -DCRT_BEGIN ${CRTS_CFLAGS} \
-	    -c -o ${.TARGET} ${.ALLSRC:N*.h:[1]}
-
-crtend.o:	${ENDSRC}
-	${CC} ${CFLAGS} -g0 -DCRT_END \
-	    -c -o ${.TARGET} ${.ALLSRC:N*.h:[1]}
-
-crtendS.o:	${ENDSRC}
-	${CC} ${CFLAGS} -g0 -DCRT_END ${CRTS_CFLAGS} \
-	    -c -o ${.TARGET} ${.ALLSRC:N*.h:[1]}
-
-COMMONHDRS+=	tm.h tconfig.h options.h
-CLEANFILES+=	${COMMONHDRS} optionlist cs-tconfig.h cs-tm.h
-
-.include <bsd.lib.mk>

gnu/lib/csu/Makefile.depend

@@ -1,13 +0,0 @@
-# $FreeBSD$
-# Autogenerated - do NOT edit!
-
-DIRDEPS = \
-	include \
-	include/xlocale \
-
-
-.include <dirdeps.mk>
-
-.if ${DEP_RELDIR} == ${_DEP_RELDIR}
-# local dependencies - needed for -jN in clean tree
-.endif