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      1 #	$NetBSD: Makefile,v 1.15 2021/04/25 23:12:54 christos Exp $
      2 
      3 REQUIRETOOLS=	yes
      4 NOLINT=		# defined
      5 UNSUPPORTED_COMPILER.clang=	# defined
      6 
      7 .include <bsd.init.mk>
      8 
      9 # If using an external toolchain, we expect crtbegin/crtend to be
     10 # supplied by that toolchain's run-time support.
     11 .if !defined(EXTERNAL_TOOLCHAIN) && ${MKGCC} != "no"
     12 
     13 DIST=		${GCCDIST}
     14 GNUHOSTDIST=	${DIST}
     15 GCCARCH=	${.CURDIR}/../../usr.bin/gcc/arch/${MACHINE_ARCH}
     16 
     17 GALLCFLAGS=	${G_CRTSTUFF_CFLAGS} ${G_CRTSTUFF_T_CFLAGS}
     18 
     19 CPPFLAGS+=	-I${GCCARCH} ${GALLCFLAGS:M-D*} ${GALLCFLAGS:M-I*:N-I.*}
     20 CPPFLAGS+=	-I. -I${DIST}/libgcc -I${DIST}/gcc -I${DIST}/include
     21 CPPFLAGS+=	-DIN_GCC
     22 COPTS+=		-finhibit-size-directive \
     23 		-fno-inline \
     24 		-fno-exceptions \
     25 		-fno-zero-initialized-in-bss \
     26 		-fno-toplevel-reorder \
     27 		-fno-tree-vectorize \
     28 		-fno-omit-frame-pointer \
     29 		-fno-asynchronous-unwind-tables
     30 
     31 GCFLAGS=	${GALLCFLAGS:N-D*:N-I*:N-i*:N./*}
     32 
     33 DPSRCS+=	${.CURDIR}/arch/${MACHINE_ARCH}.mk tconfig.h
     34 
     35 .include "${.CURDIR}/arch/${MACHINE_ARCH}.mk"
     36 
     37 SRCS+=		crtbegin.c crtend.c
     38 OBJS+=		crtbegin.o crtend.o
     39 .if ${MKPIC} != "no"
     40 SRCS+=		crtbeginS.c crtendS.c
     41 OBJS+=		crtbeginS.o crtendS.o	# for shared libraries
     42 CPPFLAGS.crtbeginS.o+=	-fPIC -DPIC
     43 CPPFLAGS.crtendS.o+=	-fPIC -DPIC
     44 SRCS+=		crtbeginT.c
     45 OBJS+=		crtbeginT.o		# for -static links
     46 .endif
     47 
     48 realall: ${OBJS}
     49 
     50 FILES=${OBJS}
     51 FILESDIR=${LIBDIR}
     52 
     53 .PATH: ${DIST}/libgcc ${DIST}/libgcc/config
     54 
     55 .include "../Makefile.tconfigh"
     56 EXTRA_FAKEHEADERS= options.h libgcc_tm.h
     57 .include "../Makefile.hacks"
     58 
     59 ${OBJS}: ${DPSRCS}
     60 
     61 .include <bsd.prog.mk>
     62 
     63 # Override the default .c -> .o rule.
     64 .c.o:
     65 	${_MKTARGET_COMPILE}
     66 	${CC} ${CPPFLAGS} ${CPPFLAGS.${.TARGET}} ${GCFLAGS} ${COPTS} ${COPTS.${.TARGET}} ${CPUFLAGS} -c ${.IMPSRC} -o ${.TARGET}.o
     67 	mv ${.TARGET}.o ${.TARGET}
     68 
     69 .if ${MACHINE_MIPS64}
     70 # Turn off as(1) warnings on MIPS, since warnings are fatal with WARNS>0
     71 # and GCC configury passes -finhibit-size-directive which causes mips-gas
     72 # to barf.  Don't know what the real fix for this is...
     73 #
     74 # XXX should be COPTS, but that's too early
     75 CPUFLAGS+=-Wa,--no-warn
     76 .endif
     77 
     78 .else
     79 
     80 .include <bsd.prog.mk>			# do nothing
     81 
     82 .endif	# ! EXTERNAL_TOOLCHAIN && MKGCC != no
     83