gcc: always explicitly link against libstdc++, fixes build errors on some hosts that...
[openwrt.git] / toolchain / gcc / common.mk
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) 2006-2011 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)/$(GCC_DIR)
38 else
39 ifeq ($(findstring linaro, $(CONFIG_GCC_VERSION)),linaro)
40     ifeq ($(CONFIG_GCC_VERSION),"4.5-linaro")
41       PKG_REV:=4.5-2011.08
42       PKG_VERSION:=4.5.4
43       PKG_VERSION_MAJOR:=4.5
44       PKG_MD5SUM:=c3374e210209e35ad1ea175223d3605c
45     endif
46     ifeq ($(CONFIG_GCC_VERSION),"4.6-linaro")
47       PKG_REV:=4.6-2011.08
48       PKG_VERSION:=4.6.2
49       PKG_VERSION_MAJOR:=4.6
50       PKG_MD5SUM:=7417cdb33d7b3a18552b2003a98cadfc
51     endif
52     PKG_SOURCE_URL:=http://launchpad.net/gcc-linaro/$(PKG_VERSION_MAJOR)/$(PKG_REV)/+download/
53     PKG_SOURCE:=$(PKG_NAME)-linaro-$(PKG_REV).tar.bz2
54     GCC_DIR:=gcc-linaro-$(PKG_REV)
55     HOST_BUILD_DIR:=$(BUILD_DIR_TOOLCHAIN)/$(GCC_DIR)
56 else
57   PKG_SOURCE_URL:=@GNU/gcc/gcc-$(PKG_VERSION)
58   PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
59
60   ifeq ($(PKG_VERSION),4.4.6)
61     PKG_MD5SUM:=ab525d429ee4425050a554bc9247d6c4
62   endif
63   ifeq ($(PKG_VERSION),4.6.1)
64     PKG_MD5SUM:=c57a9170c677bf795bdc04ed796ca491
65   endif
66 endif
67 endif
68
69 PATCH_DIR=../patches/$(GCC_VERSION)
70
71 BUGURL=https://dev.openwrt.org/
72
73 include $(INCLUDE_DIR)/toolchain-build.mk
74
75 HOST_SOURCE_DIR:=$(HOST_BUILD_DIR)
76 ifeq ($(GCC_VARIANT),minimal)
77   GCC_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
78 else
79   HOST_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
80   GCC_BUILD_DIR:=$(HOST_BUILD_DIR)
81 endif
82
83 HOST_STAMP_PREPARED:=$(HOST_BUILD_DIR)/.prepared
84 HOST_STAMP_BUILT:=$(GCC_BUILD_DIR)/.built
85 HOST_STAMP_CONFIGURED:=$(GCC_BUILD_DIR)/.configured
86 HOST_STAMP_INSTALLED:=$(STAGING_DIR_HOST)/stamp/.gcc_$(GCC_VARIANT)_installed
87
88 SEP:=,
89 TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)$(if $(CONFIG_INSTALL_GFORTRAN),$(SEP)fortran)"
90
91 export libgcc_cv_fixed_point=no
92 ifdef CONFIG_USE_UCLIBC
93   export glibcxx_cv_c99_math_tr1=no
94 endif
95
96 GCC_CONFIGURE:= \
97         SHELL="$(BASH)" \
98         $(HOST_SOURCE_DIR)/configure \
99                 --prefix=$(TOOLCHAIN_DIR) \
100                 --build=$(GNU_HOST_NAME) \
101                 --host=$(GNU_HOST_NAME) \
102                 --target=$(REAL_GNU_TARGET_NAME) \
103                 --with-gnu-ld \
104                 --enable-target-optspace \
105                 --disable-libgomp \
106                 --disable-libmudflap \
107                 --disable-multilib \
108                 --disable-nls \
109                 $(GRAPHITE_CONFIGURE) \
110                 --with-host-libstdcxx=-lstdc++ \
111                 $(SOFT_FLOAT_CONFIG_OPTION) \
112                 $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
113                 $(if $(CONFIG_mips64)$(CONFIG_mips64el),--with-arch=mips64 --with-abi=64) \
114                 $(if $(CONFIG_GCC_VERSION_LLVM),--enable-llvm=$(BUILD_DIR_BASE)/host/llvm) \
115
116 ifeq ($(CONFIG_GCC_LLVM),)
117   GCC_BUILD_TARGET_LIBGCC:=y
118   GCC_CONFIGURE+= \
119                 --with-gmp=$(TOPDIR)/staging_dir/host \
120                 --with-mpfr=$(TOPDIR)/staging_dir/host \
121                 --disable-decimal-float
122   ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
123     GCC_CONFIGURE += --with-mips-plt
124   endif
125 endif
126
127 ifneq ($(CONFIG_GCC_VERSION_4_5)$(CONFIG_GCC_VERSION_4_6),)
128   GCC_CONFIGURE+= \
129                 --with-mpc=$(TOPDIR)/staging_dir/host
130 endif
131
132 ifneq ($(CONFIG_SSP_SUPPORT),)
133   GCC_CONFIGURE+= \
134                 --enable-libssp
135 else
136   GCC_CONFIGURE+= \
137                 --disable-libssp
138 endif
139
140 ifneq ($(CONFIG_EXTRA_TARGET_ARCH),)
141   GCC_CONFIGURE+= \
142                 --enable-biarch \
143                 --enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-$(TARGET_SUFFIX)
144 endif
145
146 ifdef CONFIG_sparc
147   GCC_CONFIGURE+= --enable-targets=all
148 endif
149
150 ifeq ($(LIBC),uClibc)
151   GCC_CONFIGURE+= \
152                 --disable-__cxa_atexit
153 else
154   GCC_CONFIGURE+= \
155                 --enable-__cxa_atexit
156 endif
157
158 ifdef CONFIG_powerpc
159   TARGET_CFLAGS := $(patsubst -Os,-O2,$(TARGET_CFLAGS))
160 endif
161
162 ifneq ($(GCC_ARCH),)
163   GCC_CONFIGURE+= --with-arch=$(GCC_ARCH)
164 endif
165
166 GCC_MAKE:= \
167         export SHELL="$(BASH)"; \
168         $(MAKE) $(TOOLCHAIN_JOBS) \
169                 CFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
170                 CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS)"
171
172 define Host/Prepare
173         mkdir -p $(GCC_BUILD_DIR)
174 endef
175
176 define Host/Configure
177         (cd $(GCC_BUILD_DIR) && rm -f config.cache; \
178                 $(GCC_CONFIGURE) \
179         );
180 endef
181
182 define Host/Clean
183         rm -rf \
184                 $(STAGING_DIR_HOST)/stamp/.gcc_* \
185                 $(STAGING_DIR_HOST)/stamp/.binutils_* \
186                 $(GCC_BUILD_DIR) \
187                 $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME) \
188                 $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME) \
189                 $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc* \
190                 $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*
191 endef