1#	$NetBSD: Makefile,v 1.113 2024/06/16 16:03:30 gutteridge 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
11.if ${HAVE_GCC} == 10
12MKNATIVE=		${.CURDIR}/mknative-gcc.old
13.endif
14
15# Defaults
16CC_FOR_BUILD=		${HOST_CXX:Q}
17MKNATIVE?=		${.CURDIR}/mknative-gcc
18
19# Force C++11 so builds succeed on hosts where this isn't the compiler
20# default, e.g., NetBSD 8.x with GCC 5.5.
21.if ${HAVE_GCC} > 10
22HOST_CXXFLAGS+=		-std=c++11
23.endif
24
25.if ${MACHINE_ARCH} == "x86_64" || ${MACHINE_ARCH} == "sparc64"
26MULTILIB_ARGS= --enable-multilib
27.else
28MULTILIB_ARGS= --disable-multilib
29.endif
30
31.if ${MKSOFTFLOAT} != "no" && ${MACHINE_CPU} != "m68k" \
32    && ${MACHINE_CPU} != "or1k" && ${MACHINE_CPU} != "sh3"
33SOFTFLOAT_ARGS=	-with-float=soft
34.endif
35
36.include "gcc-version.mk"
37
38COMMON_CONFIGURE_ARGS=	--target=${MACHINE_GNU_PLATFORM} \
39			--enable-long-long \
40			--enable-threads \
41			--with-bugurl=http://www.NetBSD.org/support/send-pr.html \
42			--with-pkgversion="NetBSD ${NETBSD_GCC_VERSION}" \
43			--with-system-zlib \
44			--enable-__cxa_atexit \
45			--enable-libstdcxx-time=rt \
46			--enable-libstdcxx-threads \
47			--with-diagnostics-color=auto-if-env
48.if defined(GCC_CONFIG_ARCH.${MACHINE_ARCH})
49COMMON_CONFIGURE_ARGS+=	--with-arch=${GCC_CONFIG_ARCH.${MACHINE_ARCH}}
50.endif
51.if defined(GCC_CONFIG_TUNE.${MACHINE_ARCH})
52COMMON_CONFIGURE_ARGS+=	--with-tune=${GCC_CONFIG_TUNE.${MACHINE_ARCH}}
53.endif
54
55# Too many CPUs have one or both of these bugs, the common code should
56# default to safety.
57.if ${MACHINE_CPU} == "aarch64"
58COMMON_CONFIGURE_ARGS+=	--enable-fix-cortex-a53-835769 \
59			--enable-fix-cortex-a53-843419
60.endif
61
62.if ${HAVE_GCC} >= 7
63COMMON_CONFIGURE_ARGS+=	--with-default-libstdcxx-abi=new
64.endif
65
66# We enabled isl support for GCC 12.  Move into normal segment when
67# removing GCC 10.
68.if ${HAVE_GCC} < 12
69ISL_CONFIGURE_ARGS+=	--without-isl
70.else
71ISL_CONFIGURE_ARGS+=	--with-isl=${TOOLDIR}
72.endif
73
74CONFIGURE_ARGS=	${COMMON_CONFIGURE_ARGS}
75CONFIGURE_ARGS+= \
76		--with-sysroot=${DESTDIR} \
77		--with-mpc=${TOOLDIR} \
78		--with-mpfr=${TOOLDIR} \
79		--with-gmp=${TOOLDIR} \
80		${ISL_CONFIGURE_ARGS} \
81		--disable-nls \
82		${MULTILIB_ARGS} \
83		${SOFTFLOAT_ARGS} \
84		--program-transform-name="s,^,${MACHINE_GNU_PLATFORM}-," \
85		--enable-languages="${GCC_LANGUAGES}"
86
87GCC_CPPFLAGS=	-DNETBSD_TOOLS -DTARGET_SYSTEM_ROOT=0 \
88		-DTARGET_SYSTEM_ROOT_RELOCATABLE 
89#		${HOST_CPPFLAGS}
90
91.if ${MACHINE} == "vax"
92GCC_CPPFLAGS+=	-DNB_FIX_VAX_BACKEND
93.endif
94
95MAKE_ARGS=	MACHINE= MAKEINFO=${TOOL_MAKEINFO:Q} \
96		LIBGCC= LIBGCC1= LIBGCC1_TEST= LIBGCC2= INSTALL_LIBGCC= \
97		EXTRA_PARTS= CPPFLAGS=${GCC_CPPFLAGS:Q} \
98		AR=${HOST_AR:Q} RANLIB=${HOST_RANLIB:Q}
99
100CONFIGURE_ENV+= gcc_cv_libc_provides_ssp=yes \
101		gcc_cv_as_sparc_gotdata_op=no
102
103ALL_TARGET=	all-gcc
104INSTALL_TARGET=	install-gcc
105
106.include "${.CURDIR}/../Makefile.gmakehost"
107BUILD_MAKE=${TOOL_GMAKE}
108
109#
110# mknative-gcc specific stuff
111#
112
113MKNATIVE_CONFIG_TARGET_LIBS=
114
115MKNATIVE_CONFIG_TARGET_LIBS+=	configure-target-libgcc
116MKNATIVE_CONFIG_TARGET_LIBS+=	configure-target-libgomp
117
118MKNATIVE_CONFIG_TARGET_LIBS+= \
119	configure-target-libstdc++-v3 \
120	configure-target-libbacktrace \
121	configure-target-libobjc
122
123.if ${HAVE_GCC} >= 9
124# XXX needs to build libstdc++ fully, which fails
125.if 0
126MKNATIVE_CONFIG_TARGET_LIBS+= \
127	configure-target-libsanitizer
128.endif
129.endif
130
131.if ${HAVE_GCC} <= 10
132EXTRA_FILES=	gcov-iov.h
133.else
134EXTRA_FILES=	bversion.h gtyp-input.list
135.endif
136
137BINENV=		/usr/bin/env -i
138
139
140MKNATIVE_ENV=	${BINENV} ${CONFIGURE_ENV:NC*:NLD*} \
141			CC_FOR_BUILD=${CC_FOR_BUILD:Q} \
142			CXX_FOR_BUILD=${HOST_CXX:Q} \
143			CFLAGS_FOR_BUILD="-I${TOOLDIR}/include" \
144			CC=${CC:Q}' '${CCADDFLAGS:Q} \
145			CXX=${CXX:Q}' '${CCADDFLAGS:Q}' '${CXXADDFLAGS:Q} \
146			CPP=${CPP:Q}' '-I${DESTDIR}/usr/include' '-I${DESTDIR}/usr/include/g++/bits \
147			CFLAGS= CPPFLAGS= CXXFLAGS= LDFLAGS= \
148			AS=${AS:Q} AWK=${TOOL_AWK:Q} LD=${LD:Q} \
149			MSGFMT=${TOOLDIR}/bin/${_TOOL_PREFIX}msgfmt \
150			NM=${NM:Q} OBJDUMP=${OBJDUMP:Q} \
151			XGETTEXT=${TOOLDIR}/bin/${_TOOL_PREFIX}xgettext \
152			ac_cv_prog_cc_cross=yes \
153			ac_cv_func_strcoll_works=yes \
154			ac_cv_func_elf_getshstrndx=no \
155			gcc_cv_func_printf_ptr=yes \
156			gcc_cv_libc_provides_ssp=yes \
157			gdb_cv_printf_has_long_double=yes \
158			gdb_cv_printf_has_long_long=yes \
159			gdb_cv_scanf_has_long_double=yes \
160			gcc_cv_as_sparc_gotdata_op=no
161
162CXXADDFLAGS=	--sysroot=${DESTDIR}
163CCADDFLAGS=	--sysroot=${DESTDIR} -L${DESTDIR}/lib -L${DESTDIR}/usr/lib -B${DESTDIR}/usr/lib/ -I${.OBJDIR}/.native/gcc/include
164
165# NEWCONFIGDIR can be set to a read-write location of the source tree
166# in case the version being used is not.
167NEWCONFIGDIR?=	${.CURDIR}/../..
168
169GCC_MACHINE_ARCH=	${MACHINE_ARCH:S/earmv5/earm/}
170
171bootstrap-libgcc: .configure_done
172	@echo 'Creating files needed for libgcc by a native bootstrap build.'
173	(cd ${.OBJDIR}/build && ${BUILD_COMMAND} configure-target-libgcc)
174	@MAKE=${BUILD_MAKE:Q} ${HOST_SH} ${MKNATIVE} libgcc-bootstrap \
175		${.OBJDIR}/build ${NEWCONFIGDIR} ${NETBSDSRCDIR} \
176		${MACHINE_GNU_PLATFORM} ${GCC_MACHINE_ARCH} ${DESTDIR} ${TOOLDIR}
177
178bootstrap-libstdc++: .configure_done
179	@echo 'Creating files needed for libstdc++ by a native bootstrap build.'
180	(cd ${.OBJDIR}/build && ${BUILD_COMMAND} configure-target-libstdc++-v3)
181	@MAKE=${BUILD_MAKE:Q} ${HOST_SH} ${MKNATIVE} libstdc++-bootstrap \
182		${.OBJDIR}/build ${NEWCONFIGDIR} ${NETBSDSRCDIR} \
183		${MACHINE_GNU_PLATFORM} ${GCC_MACHINE_ARCH} ${DESTDIR} ${TOOLDIR}
184
185native-gcc: .native/.configure_done
186	@echo 'Extracting GNU GCC configury for a native toolchain.'
187	@MAKE=${BUILD_MAKE:Q} ${HOST_SH} ${MKNATIVE} gcc \
188		${.OBJDIR}/.native ${NEWCONFIGDIR} ${NETBSDSRCDIR} \
189		${MACHINE_GNU_PLATFORM} ${GCC_MACHINE_ARCH} ${DESTDIR} ${TOOLDIR}
190
191NATIVE_CONFIGURE_ARGS=	${COMMON_CONFIGURE_ARGS}
192.include "lgpl3.mk"
193
194.if ${MACHINE_ARCH} != "vax"
195NATIVE_CONFIGURE_ARGS+= --enable-tls
196.endif
197.if !empty(MACHINE_ARCH:Mearm*)
198NATIVE_CONFIGURE_ARGS+=	--enable-initfini-array
199.endif
200
201.if ${MACHINE_ARCH} == "m68000"
202NATIVE_CONFIGURE_ARGS+= --disable-shared
203.endif
204
205.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "x86_64"
206EXTRA_GCC_TARGETS=	i386-builtin-types.inc
207.endif
208.if !empty(MACHINE_ARCH:M*arm*)
209EXTRA_GCC_TARGETS=	arm-cpu-data.h arm-cpu-cdata.h
210.endif
211
212NATIVE_CONFIGURE_ARGS+=	\
213			--disable-multilib \
214			--disable-libstdcxx-pch \
215			--build=`${GCCDIST}/config.guess` \
216			--host=${MACHINE_GNU_PLATFORM} \
217			--with-sysroot=${DESTDIR}
218MKENV_BUILD_MAKE=cd .native && ${MKNATIVE_ENV} ${BUILD_MAKE}
219
220.native/.configure_done: ${_GNU_CFGSRC} ${.CURDIR}/Makefile
221	mkdir .native .native/gcc .native/gcc/include 2>/dev/null || true
222	# If this fails, gthreads won't be configured initially, but reconfig will.
223	cp ${DESTDIR}/usr/include/g++/bits/gthr-default.h .native/gcc/include || true
224	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
225		(cd .native && ${MKNATIVE_ENV} \
226			${HOST_SH} ${GNUHOSTDIST}/configure \
227			${NATIVE_CONFIGURE_ARGS}) && \
228		(${MKENV_BUILD_MAKE} all-build-libiberty) && \
229		((${MKENV_BUILD_MAKE} all-libcpp) && \
230		 (${MKENV_BUILD_MAKE} all-libbacktrace) && \
231		 (${MKENV_BUILD_MAKE} all-libdecnumber) || true)
232	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
233		(${MKENV_BUILD_MAKE} configure-gcc configure-libcpp) && \
234		(${MKENV_BUILD_MAKE} configure-libiberty) && \
235		(${MKENV_BUILD_MAKE} configure-libdecnumber)
236	# edit Makefile so that maybe-all-gcc does not depend on all-gcc any more.
237		(cd .native && mv Makefile Makefile.config && \
238			${TOOL_SED} -e 's/\(maybe-all-gcc:\) all-gcc/\1/' \
239				    -e 's/\(maybe-all-target-libgcc:\) all-target-libgcc/\1/' \
240				< Makefile.config > Makefile)
241	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
242		(cd .native/gcc && ${MKNATIVE_ENV} ${BUILD_MAKE} -e tree-check.h config.h multilib.h ${EXTRA_FILES})
243	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
244		(cd .native/gcc && ${MKNATIVE_ENV} ${BUILD_MAKE} -e libgcc.mvars tconfig.h); \
245		(cd .native && touch gcc/cc1obj gcc/cc1plus gcc/f771 gcc/libgcc.a gcc/libgcc_s.so)
246	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
247		(cd .native/gcc && ${MKNATIVE_ENV} ${BUILD_MAKE} -e s-omp-device-properties-h)
248.if defined(EXTRA_GCC_TARGETS)
249	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
250		(cd .native/gcc && ${MKNATIVE_ENV} ${BUILD_MAKE} -e ${EXTRA_GCC_TARGETS})
251.endif
252.for _lib in ${MKNATIVE_CONFIG_TARGET_LIBS}
253	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
254		(cd .native && ${MKNATIVE_ENV} ${BUILD_MAKE} \
255			${_lib} \
256			ALL_GCC_C= ALL_GCC_CXX= \
257			CC_FOR_TARGET=${CC:Q}' '${CCADDFLAGS:Q} \
258			CXX_FOR_TARGET=${CXX:Q}' '${CCADDFLAGS:Q}' '${CXXADDFLAGS:Q} \
259			RAW_CXX_FOR_TARGET=${CXX:Q}' '${CCADDFLAGS:Q}' '${CXXADDFLAGS:Q} \
260			CPP=${CPP:Q}' '-I${DESTDIR}/usr/include \
261			ac_cv_prog_cc_cross=yes) && \
262	true
263.endfor
264	PATH=${TOOLDIR}/bin:$$PATH; export PATH; \
265		(cd .native/${MACHINE_GNU_PLATFORM}/libstdc++-v3/include && \
266			${MKNATIVE_ENV} ${BUILD_MAKE} \
267			CC_FOR_TARGET=${CC:Q}' '${CCADDFLAGS:Q} \
268			CXX_FOR_TARGET=${CXX:Q}' '${CCADDFLAGS:Q}' '${CXXADDFLAGS:Q} \
269			CPP=${CPP:Q}' '-I${DESTDIR}/usr/include \
270			all-local) && \
271	true
272	@touch $@
273
274.if !defined(PREV_GCC)
275.  if exists(PREV_GCC)
276PREV_GCC!=	cat PREV_GCC
277.  else
278PREV_GCC=
279.  endif
280.endif
281
282CLEANFILES+=	PREV_GCC
283
284# Include the local NetBSD GCC version so that bumps to it trigger rebuilds.
285NETBSD_GCC_VERSION_NOSPACE= ${NETBSD_GCC_VERSION:S/ /-/gW}
286
287realall realdepend: .MAKE
288.if !empty(PREV_GCC) && "${PREV_GCC}" != "${EXTERNAL_GCC_SUBDIR}-${HAVE_GCC}-${NETBSD_GCC_VERSION_NOSPACE}"
289	@echo "*** WARNING: GCC has changed version?"
290	@echo "*** PREV_GCC '${PREV_GCC}'"
291	@echo "*** NETBSD_GCC_VERSION_NOSPACE '${NETBSD_GCC_VERSION_NOSPACE}'"
292	@echo "***     !=  EXTERNAL_GCC_SUBDIR-HAVE_GCC-NETBSD_GCC_VERSION_NOSPACE:"
293	@echo "***     !=  '${EXTERNAL_GCC_SUBDIR}-${HAVE_GCC}-${NETBSD_GCC_VERSION_NOSPACE}'"
294	@echo "*** Cleaning mis-matched tools/gcc"
295	rm -f PREV_GCC
296	(cd ${.CURDIR} && ${MAKE} cleandir)
297.endif
298	echo ${EXTERNAL_GCC_SUBDIR}-${HAVE_GCC}-${NETBSD_GCC_VERSION_NOSPACE} >PREV_GCC
299
300clean: clean.native
301clean.native:
302	-rm -r -f .native
303