gcc: prevent the libgcc configure script from enabling support for the fixed point...
[openwrt.git] / toolchain / gcc / Makefile
1 #
2 # Copyright (C) 2002-2003 Erik Andersen <andersen@uclibc.org>
3 # Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.org>
4 # Copyright (C) 2005-2006 Felix Fietkau <nbd@openwrt.org>
5 # Copyright (C) 2006-2009 OpenWrt.org
6 #
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
11 #
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # General Public License for more details.
16 #
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20
21 include $(TOPDIR)/rules.mk
22
23 PKG_NAME:=gcc
24 GCC_VERSION:=$(call qstrip,$(CONFIG_GCC_VERSION))
25 PKG_VERSION:=$(firstword $(subst +, ,$(GCC_VERSION)))
26 GCC_DIR:=$(PKG_NAME)-$(PKG_VERSION)
27
28 ifdef CONFIG_GCC_VERSION_LLVM
29   PKG_SOURCE_VERSION:=c98c494b72ff875884c0c7286be67f16f9f6d7ab
30   PKG_REV:=83504
31   GCC_DIR:=llvm-gcc-4.2-r$(PKG_REV)
32   PKG_VERSION:=4.2.1
33   PKG_SOURCE:=$(GCC_DIR).tar.gz
34   PKG_SOURCE_PROTO:=git
35   PKG_SOURCE_URL:=git://repo.or.cz/llvm-gcc-4.2.git
36   PKG_SOURCE_SUBDIR:=$(GCC_DIR)
37   HOST_BUILD_DIR:=$(BUILD_DIR_TOOLCHAIN)/$(GCC_DIR)
38 else
39   PKG_SOURCE_URL:=@GNU/gcc/gcc-$(PKG_VERSION)
40   PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
41
42   ifeq ($(PKG_VERSION),3.4.6)
43     PKG_MD5SUM:=4a21ac777d4b5617283ce488b808da7b
44   endif
45   ifeq ($(PKG_VERSION),4.1.2)
46     PKG_MD5SUM:=a4a3eb15c96030906d8494959eeda23c
47   endif
48   ifeq ($(PKG_VERSION),4.2.4)
49     PKG_MD5SUM:=d79f553e7916ea21c556329eacfeaa16
50   endif
51   ifeq ($(PKG_VERSION),4.3.3)
52     PKG_MD5SUM:=cc3c5565fdb9ab87a05ddb106ba0bd1f
53   endif
54   ifeq ($(PKG_VERSION),4.4.0)
55     PKG_MD5SUM:=cf5d787bee57f38168b74d65a7c0e6fd
56   endif
57 endif
58
59 PATCH_DIR=./patches/$(GCC_VERSION)
60
61 include $(INCLUDE_DIR)/toolchain-build.mk
62
63 HOST_STAMP_BUILT:=$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed
64
65 HOST_BUILD_DIR0:=$(HOST_BUILD_DIR)-minimal
66 HOST_BUILD_DIR1:=$(HOST_BUILD_DIR)-initial
67 HOST_BUILD_DIR2:=$(HOST_BUILD_DIR)-final
68
69 SEP:=,
70 TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)"
71
72 export libgcc_cv_fixed_point=no
73
74 GCC_CONFIGURE:= \
75         SHELL="$(BASH)" \
76         $(HOST_BUILD_DIR)/configure \
77                 --prefix=$(TOOLCHAIN_DIR)/usr \
78                 --build=$(GNU_HOST_NAME) \
79                 --host=$(GNU_HOST_NAME) \
80                 --target=$(REAL_GNU_TARGET_NAME) \
81                 --with-gnu-ld \
82                 --enable-target-optspace \
83                 --disable-libgomp \
84                 --disable-libmudflap \
85                 --disable-multilib \
86                 --disable-nls \
87                 $(SOFT_FLOAT_CONFIG_OPTION) \
88                 $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
89                 $(if $(CONFIG_mips64)$(CONFIG_mips64el),--with-arch=mips64 --with-abi=64) \
90                 $(if $(CONFIG_GCC_VERSION_LLVM),--enable-llvm=$(BUILD_DIR_BASE)/host/llvm) \
91                 $(if $(CONFIG_GCC_VERSION_4_3_3_CS),--enable-poison-system-directories)
92
93 ifneq ($(CONFIG_GCC_VERSION_4_3)$(CONFIG_GCC_VERSION_4_4),)
94   GCC_BUILD_TARGET_LIBGCC:=y
95   GCC_CONFIGURE+= \
96                 --with-gmp=$(TOPDIR)/staging_dir/host \
97                 --with-mpfr=$(TOPDIR)/staging_dir/host \
98                 --disable-decimal-float
99 endif
100
101 ifneq ($(CONFIG_SSP_SUPPORT),)
102   GCC_CONFIGURE+= \
103                 --enable-libssp
104 else
105   GCC_CONFIGURE+= \
106                 --disable-libssp
107 endif
108
109 ifneq ($(CONFIG_EXTRA_TARGET_ARCH),)
110   GCC_CONFIGURE+= \
111                 --enable-biarch \
112                 --enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-$(TARGET_SUFFIX)
113 endif
114
115 ifeq ($(LIBC),uClibc)
116   GCC_CONFIGURE+= \
117                 --disable-__cxa_atexit
118 else
119   GCC_CONFIGURE+= \
120                 --enable-__cxa_atexit
121 endif
122
123 GCC_CONFIGURE_STAGE0:= \
124         $(GCC_CONFIGURE) \
125                 --with-newlib \
126                 --without-headers \
127                 --enable-languages=c \
128                 --disable-libssp \
129                 --disable-shared \
130                 --disable-threads \
131
132 GCC_CONFIGURE_STAGE1:= \
133         $(GCC_CONFIGURE) \
134                 --with-newlib \
135                 --with-sysroot=$(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev \
136                 --enable-languages=c \
137                 --disable-shared \
138                 --disable-threads \
139
140 GCC_CONFIGURE_STAGE2:= \
141         $(GCC_CONFIGURE) \
142                 --enable-languages=$(TARGET_LANGUAGES) \
143                 --enable-shared \
144                 --enable-threads \
145                 --disable-tls \
146                 --with-slibdir=$(TOOLCHAIN_DIR)/lib \
147
148 GCC_MAKE:= \
149         export SHELL="$(BASH)"; \
150         $(MAKE) \
151                 CFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
152                 CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS)"
153
154 define Host/SetToolchainInfo
155         $(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk
156         $(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(GCC_VERSION),' $(TOOLCHAIN_DIR)/info.mk
157 endef
158
159
160 define Stage0/Configure
161         mkdir -p $(HOST_BUILD_DIR0)
162         (cd $(HOST_BUILD_DIR0); rm -f config.cache; \
163                 $(GCC_CONFIGURE_STAGE0) \
164         );
165 endef
166
167 define Stage0/Compile
168         $(GCC_MAKE) -C $(HOST_BUILD_DIR0) all-gcc
169 endef
170
171 define Stage0/Install
172         $(GCC_MAKE) -C $(HOST_BUILD_DIR0) install-gcc
173 endef
174
175
176 define Stage1/Configure
177         mkdir -p $(HOST_BUILD_DIR1)
178         (cd $(HOST_BUILD_DIR1); rm -f config.cache; \
179                 $(GCC_CONFIGURE_STAGE1) \
180         );
181 endef
182
183 define Stage1/Compile
184         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/
185         $(GCC_MAKE) -C $(HOST_BUILD_DIR1) \
186                 all-build-libiberty \
187                 all-gcc \
188                 $(if $(GCC_BUILD_TARGET_LIBGCC),all-target-libgcc)
189 endef
190
191 define Stage1/Install
192         $(GCC_MAKE) -C $(HOST_BUILD_DIR1) \
193                 install-gcc \
194                 $(if $(GCC_BUILD_TARGET_LIBGCC),install-target-libgcc)
195         
196         # XXX: glibc insists on linking against libgcc_eh
197         ( cd $(TOOLCHAIN_DIR)/usr/lib/gcc/$(REAL_GNU_TARGET_NAME)/$(PKG_VERSION) ; \
198                 [ -e libgcc_eh.a ] || ln -sf libgcc.a libgcc_eh.a ; \
199                 cp libgcc.a libgcc_initial.a; \
200         )
201 endef
202
203
204 define Stage2/Configure
205         mkdir -p $(HOST_BUILD_DIR2) $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)
206         # Important!  Required for limits.h to be fixed.
207         rm -rf $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include
208         ln -sf ../include $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include
209         rm -rf $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
210         ln -sf ../lib $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
211         $(if $(CONFIG_mips64)$(CONFIG_mips64el)$(CONFIG_x86_64),ln -sf ../lib64 $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib64)
212         (cd $(HOST_BUILD_DIR2); rm -f config.cache; \
213                 $(GCC_CONFIGURE_STAGE2) \
214         );
215 endef
216
217 define Stage2/Compile
218         $(GCC_MAKE) -C $(HOST_BUILD_DIR2) all
219 endef
220
221 define SetupExtraArch
222         for app in $(TOOLCHAIN_DIR)/usr/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \
223                 [ -e $$$$app ] || continue; \
224                 old_base=$$$$(basename $$$$app); \
225                 new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \
226                 sed -e "s/@CC_BASE@/$$$$old_base/" \
227                         -e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \
228                          ./files/alternate-arch-cc.in > \
229                          $(TOOLCHAIN_DIR)/usr/bin/$$$$new_base; \
230                 chmod a+x $(TOOLCHAIN_DIR)/usr/bin/$$$$new_base; \
231         done
232 endef
233
234 define Stage2/Install
235         $(GCC_MAKE) -C $(HOST_BUILD_DIR2) install
236         # Set up the symlinks to enable lying about target name.
237         set -e; \
238         (cd $(TOOLCHAIN_DIR)/usr; \
239                 ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
240                 cd bin; \
241                 for app in $(REAL_GNU_TARGET_NAME)-* ; do \
242                         ln -sf $$$${app} \
243                         $(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \
244                 done; \
245         );
246         $(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch))
247 endef
248
249
250 define Host/Prepare
251         $(call Host/SetToolchainInfo)
252         $(call Host/Prepare/Default)
253         ln -snf $(GCC_DIR) $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
254         $(CP) $(SCRIPT_DIR)/config.{guess,sub} $(HOST_BUILD_DIR)/
255         $(SED) 's,\(version_string.. = "[0-9\.]*\).*\(";\),\1 (OpenWrt-2.0)\2,' $(HOST_BUILD_DIR)/gcc/version.c
256         $(SED) 's,\(bug_report_url.. = "\).*\(";\),\1<URL:https://dev.openwrt.org/>\2,' $(HOST_BUILD_DIR)/gcc/version.c
257         #(cd $(HOST_BUILD_DIR)/libstdc++-v3; autoconf;);
258         $(SED) 's,gcc_no_link=yes,gcc_no_link=no,' $(HOST_BUILD_DIR)/libstdc++-v3/configure
259         $(call Stage0/Configure)
260         $(call Stage0/Compile)
261         $(call Stage0/Install)
262 endef
263
264 define Host/Configure
265 endef
266
267 define Host/Compile
268         $(call Stage1/Configure)
269         $(call Stage1/Compile)
270         $(call Stage1/Install)
271 endef
272
273 define Host/Install
274         $(call Stage2/Configure)
275         $(call Stage2/Compile)
276         $(call Stage2/Install)
277 endef
278
279 define Host/Clean
280         rm -rf \
281                 $(HOST_BUILD_DIR) \
282                 $(HOST_BUILD_DIR0) \
283                 $(HOST_BUILD_DIR1) \
284                 $(HOST_BUILD_DIR2) \
285                 $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME) \
286                 $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME) \
287                 $(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gc* \
288                 $(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-c*
289 endef
290
291 $(eval $(call HostBuild))