1#	$NetBSD: Makefile,v 1.10 2023/02/20 02:11:57 mrg Exp $
2
3REQUIRETOOLS=	yes
4NOLINT=		# defined
5UNSUPPORTED_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
13DIST=		${GCCDIST}
14GNUHOSTDIST=	${DIST}
15GCCARCH=	${.CURDIR}/../../usr.bin/gcc/arch/${MACHINE_ARCH}
16
17GALLCFLAGS=	${G_CRTSTUFF_CFLAGS} ${G_CRTSTUFF_T_CFLAGS}
18
19CPPFLAGS+=	-I${GCCARCH} ${GALLCFLAGS:M-D*} ${GALLCFLAGS:M-I*:N-I.*}
20CPPFLAGS+=	-I. -I${DIST}/libgcc -I${DIST}/gcc -I${DIST}/include
21CPPFLAGS+=	-DIN_GCC
22COPTS+=		-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
31GCFLAGS=	${GALLCFLAGS:N-D*:N-I*:N-i*:N./*}
32
33DPSRCS+=	${.CURDIR}/arch/${MACHINE_ARCH}.mk tconfig.h
34
35.include "${.CURDIR}/arch/${MACHINE_ARCH}.mk"
36
37SRCS+=		crtbegin.c crtend.c
38OBJS+=		crtbegin.o crtend.o
39.if ${MKPIC} != "no"
40SRCS+=		crtbeginS.c crtendS.c
41OBJS+=		crtbeginS.o crtendS.o	# for shared libraries
42CPPFLAGS.crtbeginS.o+=	-fPIC -DPIC
43CPPFLAGS.crtendS.o+=	-fPIC -DPIC
44SRCS+=		crtbeginT.c
45OBJS+=		crtbeginT.o		# for -static links
46.endif
47
48realall: ${OBJS}
49
50FILES=${OBJS}
51FILESDIR=${LIBDIR}
52
53.PATH: ${DIST}/libgcc ${DIST}/libgcc/config
54
55.include "../Makefile.tconfigh"
56EXTRA_FAKEHEADERS= options.h libgcc_tm.h
57.include "../Makefile.hacks"
58
59${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
75CPUFLAGS+=-Wa,--no-warn
76.endif
77
78.else
79
80.include <bsd.prog.mk>			# do nothing
81
82.endif	# ! EXTERNAL_TOOLCHAIN && MKGCC != no
83