toolchain/gcc: clean up CFLAGS
[openwrt/staging/jow.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_MAJOR_VERSION:=$(word 1,$(subst ., ,$(PKG_VERSION)))
27 GCC_DIR:=$(PKG_NAME)-$(PKG_VERSION)
28
29 PKG_SOURCE_URL:=@GNU/gcc/gcc-$(PKG_VERSION)
30 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
31
32 ifeq ($(PKG_VERSION),11.3.0)
33 PKG_HASH:=b47cf2818691f5b1e21df2bb38c795fac2cfbd640ede2d0a5e1c89e338a3ac39
34 endif
35
36 ifeq ($(PKG_VERSION),12.2.0)
37 PKG_HASH:=e549cf9cf3594a00e27b6589d4322d70e0720cdd213f39beb4181e06926230ff
38 endif
39
40 PATCH_DIR=../patches-$(GCC_MAJOR_VERSION).x
41
42 BUGURL=http://bugs.openwrt.org/
43 PKGVERSION=OpenWrt GCC $(PKG_VERSION) $(REVISION)
44
45 HOST_BUILD_PARALLEL:=1
46
47 include $(INCLUDE_DIR)/toolchain-build.mk
48
49 HOST_SOURCE_DIR:=$(HOST_BUILD_DIR)
50 ifeq ($(GCC_VARIANT),minimal)
51 GCC_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
52 else
53 HOST_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
54 GCC_BUILD_DIR:=$(HOST_BUILD_DIR)
55 endif
56
57 HOST_STAMP_PREPARED:=$(HOST_BUILD_DIR)/.prepared
58 HOST_STAMP_BUILT:=$(GCC_BUILD_DIR)/.built
59 HOST_STAMP_CONFIGURED:=$(GCC_BUILD_DIR)/.configured
60 HOST_STAMP_INSTALLED:=$(HOST_BUILD_PREFIX)/stamp/.gcc_$(GCC_VARIANT)_installed
61
62 SEP:=,
63 TARGET_LANGUAGES:="c,c++$(if $(CONFIG_INSTALL_GFORTRAN),$(SEP)fortran)$(if $(CONFIG_INSTALL_GCCGO),$(SEP)go)"
64
65 TAR_OPTIONS += \
66 --exclude-from='$(CURDIR)/../exclude-testsuite' --exclude=gcc/ada/*.ad* \
67 --exclude=libjava
68
69 export libgcc_cv_fixed_point=no
70 ifdef CONFIG_INSTALL_GCCGO
71 export libgo_cv_c_split_stack_supported=no
72 endif
73
74 ifdef CONFIG_GCC_USE_GRAPHITE
75 GRAPHITE_CONFIGURE:= --with-isl=$(STAGING_DIR_HOST)
76 else
77 GRAPHITE_CONFIGURE:= --without-isl --without-cloog
78 endif
79
80 GCC_CONFIGURE:= \
81 SHELL="$(BASH)" \
82 $(HOST_SOURCE_DIR)/configure \
83 --with-bugurl=$(BUGURL) \
84 --with-pkgversion="$(PKGVERSION)" \
85 --prefix=$(TOOLCHAIN_DIR) \
86 --build=$(GNU_HOST_NAME) \
87 --host=$(GNU_HOST_NAME) \
88 --target=$(REAL_GNU_TARGET_NAME) \
89 --with-gnu-ld \
90 --enable-target-optspace \
91 --disable-libgomp \
92 --disable-libmudflap \
93 --disable-multilib \
94 --disable-libmpx \
95 --disable-nls \
96 --disable-libssp \
97 $(GRAPHITE_CONFIGURE) \
98 --with-host-libstdcxx=-lstdc++ \
99 $(SOFT_FLOAT_CONFIG_OPTION) \
100 $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
101 $(if $(CONFIG_mips64)$(CONFIG_mips64el),--with-arch=mips64 \
102 --with-abi=$(call qstrip,$(CONFIG_MIPS64_ABI))) \
103 $(if $(CONFIG_arc),--with-cpu=$(CONFIG_CPU_TYPE)) \
104 $(if $(CONFIG_powerpc64), $(if $(CONFIG_USE_MUSL),--with-abi=elfv2)) \
105 --with-system-zlib=$(STAGING_DIR_HOST) \
106 --without-zstd \
107 --with-gmp=$(STAGING_DIR_HOST) \
108 --with-mpfr=$(STAGING_DIR_HOST) \
109 --with-mpc=$(STAGING_DIR_HOST) \
110 --disable-decimal-float \
111 --with-diagnostics-color=auto-if-env \
112 --enable-__cxa_atexit \
113 --enable-libstdcxx-dual-abi \
114 --with-default-libstdcxx-abi=new
115 ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
116 GCC_CONFIGURE += --with-mips-plt
117 endif
118
119 ifneq ($(CONFIG_GCC_DEFAULT_PIE),)
120 GCC_CONFIGURE+= \
121 --enable-default-pie
122 endif
123
124 ifneq ($(CONFIG_GCC_DEFAULT_SSP),)
125 GCC_CONFIGURE+= \
126 --enable-default-ssp
127 endif
128
129 ifneq ($(CONFIG_EXTRA_TARGET_ARCH),)
130 GCC_CONFIGURE+= \
131 --enable-biarch \
132 --enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-$(TARGET_SUFFIX)
133 endif
134
135 ifdef CONFIG_sparc
136 GCC_CONFIGURE+= \
137 --enable-targets=all \
138 --with-long-double-128
139 endif
140
141 ifneq ($(GCC_ARCH),)
142 GCC_CONFIGURE+= --with-arch=$(GCC_ARCH)
143 endif
144
145 ifeq ($(CONFIG_arm),y)
146 GCC_CONFIGURE+= \
147 --with-cpu=$(word 1, $(subst +," ,$(CONFIG_CPU_TYPE)))
148
149 ifneq ($(CONFIG_SOFT_FLOAT),y)
150 GCC_CONFIGURE+= \
151 --with-fpu=$(word 2, $(subst +, ",$(CONFIG_CPU_TYPE))) \
152 --with-float=hard
153 endif
154
155 # Do not let TARGET_CFLAGS get poisoned by extra CPU optimization flags
156 # that do not belong here. The cpu,fpu type should be specified via
157 # --with-cpu and --with-fpu for ARM and not CFLAGS.
158 TARGET_CFLAGS:=$(filter-out -m%,$(call qstrip,$(TARGET_CFLAGS)))
159 endif
160
161 ifeq ($(CONFIG_TARGET_x86)$(CONFIG_USE_GLIBC)$(CONFIG_INSTALL_GCCGO),yyy)
162 TARGET_CFLAGS+=-fno-split-stack
163 endif
164
165 CFLAGS:=$(HOST_CFLAGS) -pipe
166 ifneq ($(shell gcc --version 2>&1 | grep -E "Apple.(LLVM|clang)"),)
167 CFLAGS+= -fbracket-depth=512
168 endif
169
170 GCC_CONFIGURE+= \
171 CFLAGS="$(CFLAGS)" \
172 CXXFLAGS="$(CFLAGS)" \
173 CFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
174 CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
175 GOCFLAGS_FOR_TARGET="$(TARGET_CFLAGS)"
176
177 GCC_MAKE:= \
178 export SHELL="$(BASH)"; \
179 $(MAKE)
180
181 define Host/SetToolchainInfo
182 $(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk
183 $(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(GCC_VERSION),' $(TOOLCHAIN_DIR)/info.mk
184 endef
185
186
187 ifeq ($(GCC_MAJOR_VERSION),12)
188 GCC_VERSION_FILE:=gcc/genversion.cc
189 else
190 GCC_VERSION_FILE:=gcc/version.c
191 endif
192
193 ifneq ($(GCC_PREPARE),)
194 define Host/Prepare
195 $(call Host/SetToolchainInfo)
196 $(call Host/Prepare/Default)
197 ln -snf $(GCC_DIR) $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
198 $(CP) $(SCRIPT_DIR)/config.{guess,sub} $(HOST_SOURCE_DIR)/
199 $(SED) 's,^MULTILIB_OSDIRNAMES,# MULTILIB_OSDIRNAMES,' $(HOST_SOURCE_DIR)/gcc/config/*/t-*
200 $(SED) 'd' $(HOST_SOURCE_DIR)/gcc/DEV-PHASE
201 $(SED) 's, DATESTAMP,,' $(HOST_SOURCE_DIR)/$(GCC_VERSION_FILE)
202 $(SED) 's,gcc_no_link=yes,gcc_no_link=no,' $(HOST_SOURCE_DIR)/libstdc++-v3/configure
203 mkdir -p $(GCC_BUILD_DIR)
204 endef
205 else
206 define Host/Prepare
207 mkdir -p $(GCC_BUILD_DIR)
208 endef
209 endif
210
211 define Host/Configure
212 (cd $(GCC_BUILD_DIR) && rm -f config.cache; \
213 $(GCC_CONFIGURE) \
214 );
215 endef
216
217 define Host/Clean
218 rm -rf $(if $(GCC_PREPARE),$(HOST_SOURCE_DIR)) \
219 $(HOST_BUILD_PREFIX)/stamp/.gcc_* \
220 $(HOST_BUILD_PREFIX)/stamp/.binutils_* \
221 $(GCC_BUILD_DIR) \
222 $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME) \
223 $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME) \
224 $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc* \
225 $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*
226 endef