1#	$NetBSD: Makefile,v 1.119 2026/01/17 23:43:46 mrg Exp $
2
3.include <bsd.hostinit.mk>
4
5GCC_LANGUAGES=c c++ objc
6MODULE=		${EXTERNAL_GCC_SUBDIR}
7
8GCCDIST=	${.CURDIR}/../../external/gpl3/${EXTERNAL_GCC_SUBDIR}/dist
9GNUHOSTDIST=	${GCCDIST}
10
11MKNATIVE=		${.CURDIR}/mknative-${EXTERNAL_GCC_SUBDIR}
12
13# Defaults
14CC_FOR_BUILD=		${HOST_CXX:Q}
15MKNATIVE?=		${.CURDIR}/mknative-gcc
16
17# GCC since 10.x (at least) needs C++11
18HOST_CXXFLAGS+=		-std=c++11
19
20.if ${MACHINE_ARCH} == "x86_64" || ${MACHINE_ARCH} == "sparc64"
21MULTILIB_ARGS= --enable-multilib
22.else
23MULTILIB_ARGS= --disable-multilib
24.endif
25
26.if ${HAVE_GCC} >= 14
27GCC_LANGUAGES+= fortran
28.endif
29
30.if ${MKSOFTFLOAT} != "no" && ${MACHINE_CPU} != "m68k" \
31    && ${MACHINE_CPU} != "or1k" && ${MACHINE_CPU} != "sh3"
32SOFTFLOAT_ARGS=	-with-float=soft
33.endif
34
35.include "gcc-version.mk"
36
37COMMON_CONFIGURE_ARGS=	--target=${MACHINE_GNU_PLATFORM} \
38			--enable-long-long \
39			--enable-threads \
40			--with-bugurl=http://www.NetBSD.org/support/send-pr.html \
41			--with-pkgversion="NetBSD ${NETBSD_GCC_VERSION}" \
42			--with-system-zlib \
43			--enable-__cxa_atexit \
44			--enable-libstdcxx-time=rt \
45			--enable-libstdcxx-threads \
46			--with-diagnostics-color=auto-if-env
47.if defined(GCC_CONFIG_ARCH.${MACHINE_ARCH})
48COMMON_CONFIGURE_ARGS+=	--with-arch=${GCC_CONFIG_ARCH.${MACHINE_ARCH}}
49.endif
50.if defined(GCC_CONFIG_TUNE.${MACHINE_ARCH})
51COMMON_CONFIGURE_ARGS+=	--with-tune=${GCC_CONFIG_TUNE.${MACHINE_ARCH}}
52.endif
53
54# Too many CPUs have one or both of these bugs, the common code should
55# default to safety.
56.if ${MACHINE_CPU} == "aarch64"
57COMMON_CONFIGURE_ARGS+=	--enable-fix-cortex-a53-835769 \
58			--enable-fix-cortex-a53-843419
59.endif
60
61COMMON_CONFIGURE_ARGS+=	--with-default-libstdcxx-abi=new
62
63.if ${HAVE_GCC} < 12 || defined(NOGCCISL)
64COMMON_CONFIGURE_ARGS+=	--without-isl
65.else
66COMMON_CONFIGURE_ARGS+=	--with-isl=${TOOLDIR}
67.endif
68
69.if ${HAVE_GCC} >= 14 && ${MACHINE} == "ia64"
70COMMON_CONFIGURE_ARGS+=	--enable-obsolete
71.endif
72
73CONFIGURE_ARGS=	${COMMON_CONFIGURE_ARGS}
74CONFIGURE_ARGS+= \
75		--with-sysroot=${DESTDIR} \
76		--with-mpc=${TOOLDIR} \
77		--with-mpfr=${TOOLDIR} \
78		--with-gmp=${TOOLDIR} \
79		${ISL_CONFIGURE_ARGS} \
80		--disable-nls \
81		${MULTILIB_ARGS} \
82		${SOFTFLOAT_ARGS} \
83		--program-transform-name="s,^,${MACHINE_GNU_PLATFORM}-," \
84		--enable-languages="${GCC_LANGUAGES}"
85
86GCC_CPPFLAGS=	-DNETBSD_TOOLS -DTARGET_SYSTEM_ROOT=0 \
87		-DTARGET_SYSTEM_ROOT_RELOCATABLE 
88#		${HOST_CPPFLAGS}
89
90.if ${MACHINE} == "vax"
91GCC_CPPFLAGS+=	-DNB_FIX_VAX_BACKEND
92.endif
93
94MAKE_ARGS=	MACHINE= MAKEINFO=${TOOL_MAKEINFO:Q} \
95		LIBGCC= LIBGCC1= LIBGCC1_TEST= LIBGCC2= INSTALL_LIBGCC= \
96		EXTRA_PARTS= CPPFLAGS=${GCC_CPPFLAGS:Q} \
97		AR=${HOST_AR:Q} RANLIB=${HOST_RANLIB:Q} NM=${HOST_NM:Q}
98
99CONFIGURE_ENV+= gcc_cv_libc_provides_ssp=yes \
100		gcc_cv_as_sparc_gotdata_op=no
101
102ALL_TARGET=	all-gcc
103INSTALL_TARGET=	install-gcc
104
105.include "${.CURDIR}/../Makefile.gmakehost"
106BUILD_MAKE=${TOOL_GMAKE}
107
108#
109# mknative-gcc specific stuff
110#
111
112MKNATIVE_CONFIG_TARGET_LIBS=
113
114MKNATIVE_CONFIG_TARGET_LIBS+=	configure-target-libgcc
115MKNATIVE_CONFIG_TARGET_LIBS+=	configure-target-libgomp
116
117MKNATIVE_CONFIG_TARGET_LIBS+= \
118	configure-target-libstdc++-v3 \
119	configure-target-libbacktrace \
120	configure-target-libobjc
121
122.if ${HAVE_GCC} >= 14
123MKNATIVE_CONFIG_TARGET_LIBS+= \
124	configure-target-libquadmath \
125	configure-target-libgfortran
126.endif
127
128# XXX needs to build libstdc++ fully, which fails
129.if 0
130MKNATIVE_CONFIG_TARGET_LIBS+= \
131	configure-target-libsanitizer
132.endif
133
134EXTRA_FILES=	bversion.h gtyp-input.list
135
136BINENV=		/usr/bin/env -i
137
138
139MKNATIVE_ENV=	${BINENV} ${CONFIGURE_ENV:NC*:NLD*} \
140			CC_FOR_BUILD=${CC_FOR_BUILD:Q} \
141			CXX_FOR_BUILD=${HOST_CXX:Q} \
142			CFLAGS_FOR_BUILD="-I${TOOLDIR}/include" \
143			CC=${CC:Q}' '${CCADDFLAGS:Q} \
144			CXX=${CXX:Q}' '${CCADDFLAGS:Q}' '${CXXADDFLAGS:Q} \
145			CPP=${CPP:Q}' '-I${DESTDIR}/usr/include' '-I${DESTDIR}/usr/include/g++/bits \
146			CFLAGS= CPPFLAGS= CXXFLAGS= LDFLAGS= \
147			AS=${AS:Q} AWK=${TOOL_AWK:Q} LD=${LD:Q} \
148			MSGFMT=${TOOLDIR}/bin/${_TOOL_PREFIX}msgfmt \
149			NM=${NM:Q} OBJDUMP=${OBJDUMP:Q} \
150			XGETTEXT=${TOOLDIR}/bin/${_TOOL_PREFIX}xgettext \
151			ac_cv_prog_cc_cross=yes \
152			ac_cv_func_strcoll_works=yes \
153			ac_cv_func_elf_getshstrndx=no \
154			gcc_cv_func_printf_ptr=yes \
155			gcc_cv_libc_provides_ssp=yes \
156			gdb_cv_printf_has_long_double=yes \
157			gdb_cv_printf_has_long_long=yes \
158			gdb_cv_scanf_has_long_double=yes \
159			gcc_cv_as_sparc_gotdata_op=no
160
161CXXADDFLAGS=	--sysroot=${DESTDIR}
162CCADDFLAGS=	--sysroot=${DESTDIR} -L${DESTDIR}/lib -L${DESTDIR}/usr/lib -B${DESTDIR}/usr/lib/ -I${.OBJDIR}/.native/gcc/include
163
164# NEWCONFIGDIR can be set to a read-write location of the source tree
165# in case the version being used is not.
166NEWCONFIGDIR?=	${.CURDIR}/../..
167
168GCC_MACHINE_ARCH=	${MACHINE_ARCH:S/earmv5/earm/}
169
170bootstrap-libgcc: .configure_done
171	@echo 'Creating files needed for libgcc by a native bootstrap build.'
172	(cd ${.OBJDIR}/build && ${BUILD_COMMAND} configure-target-libgcc)
173	@MAKE=${BUILD_MAKE:Q} ${HOST_SH} ${MKNATIVE} libgcc-bootstrap \
174		${.OBJDIR}/build ${NEWCONFIGDIR} ${NETBSDSRCDIR} \
175		${MACHINE_GNU_PLATFORM} ${GCC_MACHINE_ARCH} ${DESTDIR} ${TOOLDIR}
176
177bootstrap-libstdc++: .configure_done
178	@echo 'Creating files needed for libstdc++ by a native bootstrap build.'
179	(cd ${.OBJDIR}/build && ${BUILD_COMMAND} configure-target-libstdc++-v3)
180	@MAKE=${BUILD_MAKE:Q} ${HOST_SH} ${MKNATIVE} libstdc++-bootstrap \
181		${.OBJDIR}/build ${NEWCONFIGDIR} ${NETBSDSRCDIR} \
182		${MACHINE_GNU_PLATFORM} ${GCC_MACHINE_ARCH} ${DESTDIR} ${TOOLDIR}
183
184native-gcc: .native/.configure_done
185	@echo 'Extracting GNU GCC configury for a native toolchain.'
186	@MAKE=${BUILD_MAKE:Q} ${HOST_SH} ${MKNATIVE} gcc \
187		${.OBJDIR}/.native ${NEWCONFIGDIR} ${NETBSDSRCDIR} \
188		${MACHINE_GNU_PLATFORM} ${GCC_MACHINE_ARCH} ${DESTDIR} ${TOOLDIR}
189
190NATIVE_CONFIGURE_ARGS=	${COMMON_CONFIGURE_ARGS}
191.include "lgpl3.mk"
192
193.if ${MACHINE_ARCH} != "vax"
194NATIVE_CONFIGURE_ARGS+= --enable-tls
195.endif
196.if !empty(MACHINE_ARCH:Mearm*)
197NATIVE_CONFIGURE_ARGS+=	--enable-initfini-array
198.endif
199
200.if ${MACHINE_ARCH} == "m68000"
201NATIVE_CONFIGURE_ARGS+= --disable-shared
202.endif
203
204.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "x86_64"
205EXTRA_GCC_TARGETS=	i386-builtin-types.inc
206.endif
207.if !empty(MACHINE_ARCH:M*arm*)
208EXTRA_GCC_TARGETS=	arm-cpu-data.h arm-cpu-cdata.h
209.endif
210
211NATIVE_CONFIGURE_ARGS+=	\
212			--disable-multilib \
213			--disable-libstdcxx-pch \
214			--build=`${GCCDIST}/config.guess` \
215			--host=${MACHINE_GNU_PLATFORM} \
216			--with-sysroot=${DESTDIR}
217MKENV_BUILD_MAKE=cd .native && ${MKNATIVE_ENV} ${BUILD_MAKE}
218
219.native/.configure_done: ${_GNU_CFGSRC} ${.CURDIR}/Makefile
220	mkdir .native .native/gcc .native/gcc/include 2>/dev/null || true
221	# If this fails, gthreads won't be configured initially, but reconfig will.
222	cp ${DESTDIR}/usr/include/g++/bits/gthr-default.h .native/gcc/include || true
223	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
224		(cd .native && ${MKNATIVE_ENV} \
225			${HOST_SH} ${GNUHOSTDIST}/configure \
226			${NATIVE_CONFIGURE_ARGS}) && \
227		(${MKENV_BUILD_MAKE} all-build-libiberty) && \
228		((${MKENV_BUILD_MAKE} all-libcpp) && \
229		 (${MKENV_BUILD_MAKE} all-libbacktrace) && \
230		 (${MKENV_BUILD_MAKE} all-libdecnumber) || true)
231	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
232		(${MKENV_BUILD_MAKE} configure-gcc configure-libcpp) && \
233		(${MKENV_BUILD_MAKE} configure-libiberty) && \
234		(${MKENV_BUILD_MAKE} configure-libdecnumber)
235	# edit Makefile so that maybe-all-gcc does not depend on all-gcc any more.
236		(cd .native && mv Makefile Makefile.config && \
237			${TOOL_SED} -e 's/\(maybe-all-gcc:\) all-gcc/\1/' \
238				    -e 's/\(maybe-all-target-libgcc:\) all-target-libgcc/\1/' \
239				< Makefile.config > Makefile)
240	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
241		(cd .native/gcc && ${MKNATIVE_ENV} ${BUILD_MAKE} -e tree-check.h config.h multilib.h ${EXTRA_FILES})
242	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
243		(cd .native/gcc && ${MKNATIVE_ENV} ${BUILD_MAKE} -e libgcc.mvars tconfig.h); \
244		(cd .native && touch gcc/cc1obj gcc/cc1plus gcc/f771 gcc/libgcc.a gcc/libgcc_s.so)
245	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
246		(cd .native/gcc && ${MKNATIVE_ENV} ${BUILD_MAKE} -e s-omp-device-properties-h)
247.if defined(EXTRA_GCC_TARGETS)
248	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
249		(cd .native/gcc && ${MKNATIVE_ENV} ${BUILD_MAKE} -e ${EXTRA_GCC_TARGETS})
250.endif
251.for _lib in ${MKNATIVE_CONFIG_TARGET_LIBS}
252	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
253		(cd .native && ${MKNATIVE_ENV} ${BUILD_MAKE} \
254			${_lib} \
255			ALL_GCC_C= ALL_GCC_CXX= \
256			CC_FOR_TARGET=${CC:Q}' '${CCADDFLAGS:Q} \
257			CXX_FOR_TARGET=${CXX:Q}' '${CCADDFLAGS:Q}' '${CXXADDFLAGS:Q} \
258			RAW_CXX_FOR_TARGET=${CXX:Q}' '${CCADDFLAGS:Q}' '${CXXADDFLAGS:Q} \
259			CPP=${CPP:Q}' '-I${DESTDIR}/usr/include \
260			ac_cv_prog_cc_cross=yes) && \
261	true
262.endfor
263	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
264		(cd .native/${MACHINE_GNU_PLATFORM}/libstdc++-v3/include && \
265			${MKNATIVE_ENV} ${BUILD_MAKE} \
266			CC_FOR_TARGET=${CC:Q}' '${CCADDFLAGS:Q} \
267			CXX_FOR_TARGET=${CXX:Q}' '${CCADDFLAGS:Q}' '${CXXADDFLAGS:Q} \
268			CPP=${CPP:Q}' '-I${DESTDIR}/usr/include \
269			all-local) && \
270	true
271	@touch $@
272
273.if !defined(PREV_GCC)
274.  if exists(PREV_GCC)
275PREV_GCC!=	cat PREV_GCC
276.  else
277PREV_GCC=
278.  endif
279.endif
280
281CLEANFILES+=	PREV_GCC
282
283# Include the local NetBSD GCC version so that bumps to it trigger rebuilds.
284NETBSD_GCC_VERSION_NOSPACE= ${NETBSD_GCC_VERSION:S/ /-/gW}
285
286realall realdepend: .MAKE
287.if !empty(PREV_GCC) && "${PREV_GCC}" != "${EXTERNAL_GCC_SUBDIR}-${HAVE_GCC}-${NETBSD_GCC_VERSION_NOSPACE}"
288	@echo "*** WARNING: GCC has changed version?"
289	@echo "*** PREV_GCC '${PREV_GCC}'"
290	@echo "*** NETBSD_GCC_VERSION_NOSPACE '${NETBSD_GCC_VERSION_NOSPACE}'"
291	@echo "***     !=  EXTERNAL_GCC_SUBDIR-HAVE_GCC-NETBSD_GCC_VERSION_NOSPACE:"
292	@echo "***     !=  '${EXTERNAL_GCC_SUBDIR}-${HAVE_GCC}-${NETBSD_GCC_VERSION_NOSPACE}'"
293	@echo "*** Cleaning mis-matched tools/gcc"
294	rm -f PREV_GCC
295	(cd ${.CURDIR} && ${MAKE} cleandir)
296.endif
297	echo ${EXTERNAL_GCC_SUBDIR}-${HAVE_GCC}-${NETBSD_GCC_VERSION_NOSPACE} >PREV_GCC
298
299clean: clean.native
300clean.native:
301	-rm -r -f .native
302