kernel: backport a change to 4.9 which disables overly aggressive warnings on gcc 8
[openwrt/staging/wigyori.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@nbd.name>
5 # Copyright (C) 2006-2014 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 PKG_SOURCE_URL:=@GNU/gcc/gcc-$(PKG_VERSION)
29 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
30
31 ifeq ($(PKG_VERSION),5.5.0)
32 PKG_HASH:=530cea139d82fe542b358961130c69cfde8b3d14556370b65823d2f91f0ced87
33 endif
34
35 ifeq ($(PKG_VERSION),7.3.0)
36 PKG_HASH:=832ca6ae04636adbb430e865a1451adf6979ab44ca1c8374f61fba65645ce15c
37 endif
38
39 ifneq ($(CONFIG_GCC_VERSION_7_1_ARC),)
40 PKG_VERSION:=7.1.1
41 PKG_SOURCE_URL:=https://github.com/foss-for-synopsys-dwc-arc-processors/gcc/archive/$(GCC_VERSION)
42 PKG_SOURCE:=$(PKG_NAME)-$(GCC_VERSION).tar.gz
43 PKG_HASH:=90596af8b9c26a434cec0a3b3d37d0c7c755ab6a65496af6ca32529fab5a6cfe
44 PKG_REV:=2017.09-release
45 GCC_DIR:=gcc-arc-$(PKG_REV)
46 HOST_BUILD_DIR = $(BUILD_DIR_HOST)/$(PKG_NAME)-$(GCC_VERSION)
47 endif
48
49 PATCH_DIR=../patches/$(GCC_VERSION)
50
51 BUGURL=http://www.lede-project.org/bugs/
52 PKGVERSION=OpenWrt GCC $(PKG_VERSION) $(REVISION)
53
54 HOST_BUILD_PARALLEL:=1
55
56 include $(INCLUDE_DIR)/toolchain-build.mk
57
58 HOST_SOURCE_DIR:=$(HOST_BUILD_DIR)
59 ifeq ($(GCC_VARIANT),minimal)
60 GCC_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
61 else
62 HOST_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
63 GCC_BUILD_DIR:=$(HOST_BUILD_DIR)
64 endif
65
66 HOST_STAMP_PREPARED:=$(HOST_BUILD_DIR)/.prepared
67 HOST_STAMP_BUILT:=$(GCC_BUILD_DIR)/.built
68 HOST_STAMP_CONFIGURED:=$(GCC_BUILD_DIR)/.configured
69 HOST_STAMP_INSTALLED:=$(HOST_BUILD_PREFIX)/stamp/.gcc_$(GCC_VARIANT)_installed
70
71 SEP:=,
72 TARGET_LANGUAGES:="c,c++$(if $(CONFIG_INSTALL_GFORTRAN),$(SEP)fortran)$(if $(CONFIG_INSTALL_GCCGO),$(SEP)go)"
73
74 TAR_OPTIONS += \
75 --exclude-from='$(CURDIR)/../exclude-testsuite' --exclude=gcc/ada/*.ad* \
76 --exclude=libjava
77
78 export libgcc_cv_fixed_point=no
79 ifdef CONFIG_USE_UCLIBC
80 export glibcxx_cv_c99_math_tr1=no
81 endif
82 ifdef CONFIG_INSTALL_GCCGO
83 export libgo_cv_c_split_stack_supported=no
84 endif
85
86 ifdef CONFIG_GCC_USE_GRAPHITE
87 GRAPHITE_CONFIGURE:= --with-isl=$(TOPDIR)/staging_dir/host
88 else
89 GRAPHITE_CONFIGURE:= --without-isl --without-cloog
90 endif
91
92 GCC_CONFIGURE:= \
93 SHELL="$(BASH)" \
94 $(if $(shell gcc --version 2>&1 | grep LLVM), \
95 CFLAGS="-O2 -fbracket-depth=512 -pipe" \
96 CXXFLAGS="-O2 -fbracket-depth=512 -pipe" \
97 ) \
98 $(HOST_SOURCE_DIR)/configure \
99 --with-bugurl=$(BUGURL) \
100 --with-pkgversion="$(PKGVERSION)" \
101 --prefix=$(TOOLCHAIN_DIR) \
102 --build=$(GNU_HOST_NAME) \
103 --host=$(GNU_HOST_NAME) \
104 --target=$(REAL_GNU_TARGET_NAME) \
105 --with-gnu-ld \
106 --enable-target-optspace \
107 --disable-libgomp \
108 --disable-libmudflap \
109 --disable-multilib \
110 --disable-libmpx \
111 --disable-nls \
112 $(GRAPHITE_CONFIGURE) \
113 --with-host-libstdcxx=-lstdc++ \
114 $(SOFT_FLOAT_CONFIG_OPTION) \
115 $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
116 $(if $(CONFIG_mips64)$(CONFIG_mips64el),--with-arch=mips64 \
117 --with-abi=$(call qstrip,$(CONFIG_MIPS64_ABI))) \
118 $(if $(CONFIG_arc),--with-cpu=$(CONFIG_CPU_TYPE)) \
119 --with-gmp=$(TOPDIR)/staging_dir/host \
120 --with-mpfr=$(TOPDIR)/staging_dir/host \
121 --with-mpc=$(TOPDIR)/staging_dir/host \
122 --disable-decimal-float
123 ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
124 GCC_CONFIGURE += --with-mips-plt
125 endif
126
127 ifndef GCC_VERSION_4_8
128 GCC_CONFIGURE += --with-diagnostics-color=auto-if-env
129 endif
130
131 ifneq ($(CONFIG_GCC_DEFAULT_PIE),)
132 GCC_CONFIGURE+= \
133 --enable-default-pie
134 endif
135
136 ifneq ($(CONFIG_GCC_DEFAULT_SSP),)
137 GCC_CONFIGURE+= \
138 --enable-default-ssp
139 endif
140
141 ifneq ($(CONFIG_GCC_LIBSSP),)
142 GCC_CONFIGURE+= \
143 --enable-libssp
144 else
145 GCC_CONFIGURE+= \
146 --disable-libssp
147 endif
148
149 ifneq ($(CONFIG_EXTRA_TARGET_ARCH),)
150 GCC_CONFIGURE+= \
151 --enable-biarch \
152 --enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-$(TARGET_SUFFIX)
153 endif
154
155 ifdef CONFIG_sparc
156 GCC_CONFIGURE+= \
157 --enable-targets=all \
158 --with-long-double-128
159 endif
160
161 ifeq ($(LIBC),uClibc)
162 GCC_CONFIGURE+= \
163 --disable-__cxa_atexit
164 else
165 GCC_CONFIGURE+= \
166 --enable-__cxa_atexit
167 endif
168
169 ifneq ($(GCC_ARCH),)
170 GCC_CONFIGURE+= --with-arch=$(GCC_ARCH)
171 endif
172
173 ifneq ($(CONFIG_SOFT_FLOAT),y)
174 ifeq ($(CONFIG_arm),y)
175 GCC_CONFIGURE+= \
176 --with-float=hard
177 endif
178 endif
179
180 ifeq ($(CONFIG_TARGET_x86)$(CONFIG_USE_GLIBC)$(CONFIG_INSTALL_GCCGO),yyy)
181 TARGET_CFLAGS+=-fno-split-stack
182 endif
183
184 GCC_MAKE:= \
185 export SHELL="$(BASH)"; \
186 $(MAKE) \
187 CFLAGS="$(HOST_CFLAGS)" \
188 CFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
189 CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
190 GOCFLAGS_FOR_TARGET="$(TARGET_CFLAGS)"
191
192 define Host/SetToolchainInfo
193 $(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk
194 $(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(GCC_VERSION),' $(TOOLCHAIN_DIR)/info.mk
195 endef
196
197 ifneq ($(GCC_PREPARE),)
198 define Host/Prepare
199 $(call Host/SetToolchainInfo)
200 $(call Host/Prepare/Default)
201 ln -snf $(GCC_DIR) $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
202 $(CP) $(SCRIPT_DIR)/config.{guess,sub} $(HOST_SOURCE_DIR)/
203 $(SED) 's,^MULTILIB_OSDIRNAMES,# MULTILIB_OSDIRNAMES,' $(HOST_SOURCE_DIR)/gcc/config/*/t-*
204 $(SED) 'd' $(HOST_SOURCE_DIR)/gcc/DEV-PHASE
205 $(SED) 's, DATESTAMP,,' $(HOST_SOURCE_DIR)/gcc/version.c
206 #(cd $(HOST_SOURCE_DIR)/libstdc++-v3; autoconf;);
207 $(SED) 's,gcc_no_link=yes,gcc_no_link=no,' $(HOST_SOURCE_DIR)/libstdc++-v3/configure
208 mkdir -p $(GCC_BUILD_DIR)
209 endef
210 else
211 define Host/Prepare
212 mkdir -p $(GCC_BUILD_DIR)
213 endef
214 endif
215
216 define Host/Configure
217 (cd $(GCC_BUILD_DIR) && rm -f config.cache; \
218 $(GCC_CONFIGURE) \
219 );
220 endef
221
222 define Host/Clean
223 rm -rf $(if $(GCC_PREPARE),$(HOST_SOURCE_DIR)) \
224 $(HOST_BUILD_PREFIX)/stamp/.gcc_* \
225 $(HOST_BUILD_PREFIX)/stamp/.binutils_* \
226 $(GCC_BUILD_DIR) \
227 $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME) \
228 $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME) \
229 $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc* \
230 $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*
231 endef