package/gcc/gcc.mk

   1 ################################################################################
   2 #
   3 # Common variables for the gcc-initial and gcc-final packages.
   4 #
   5 ################################################################################
   6
   7 #
   8 # Version, site and source
   9 #
  10
  11 GCC_VERSION = $(call qstrip,$(BR2_GCC_VERSION))
  12
  13 ifeq ($(BR2_arc),y)
  14 GCC_SITE = $(call github,foss-for-synopsys-dwc-arc-processors,gcc,$(GCC_VERSION))
  15 GCC_SOURCE = gcc-$(GCC_VERSION).tar.gz
  16 else
  17 GCC_SITE = $(BR2_GNU_MIRROR:/=)/gcc/gcc-$(GCC_VERSION)
  18 endif
  19
  20 GCC_SOURCE ?= gcc-$(GCC_VERSION).tar.bz2
  21
  22 #
  23 # Xtensa special hook
  24 #
  25
  26 HOST_GCC_XTENSA_OVERLAY_TAR = $(BR2_XTENSA_OVERLAY_DIR)/xtensa_$(call qstrip,$(BR2_XTENSA_CORE_NAME)).tar
  27
  28 define HOST_GCC_XTENSA_OVERLAY_EXTRACT
  29         tar xf $(HOST_GCC_XTENSA_OVERLAY_TAR) -C $(@D) --strip-components=1 gcc
  30 endef
  31
  32 #
  33 # Apply patches
  34 #
  35
  36 ifeq ($(ARCH),powerpc)
  37 ifneq ($(BR2_SOFT_FLOAT),)
  38 define HOST_GCC_APPLY_POWERPC_PATCH
  39         $(APPLY_PATCHES) $(@D) package/gcc/$(GCC_VERSION) 1000-powerpc-link-with-math-lib.patch.conditional
  40 endef
  41 endif
  42 endif
  43
  44 define HOST_GCC_APPLY_PATCHES
  45         if test -d package/gcc/$(GCC_VERSION); then \
  46           $(APPLY_PATCHES) $(@D) package/gcc/$(GCC_VERSION) \*.patch ; \
  47         fi;
  48         $(HOST_GCC_APPLY_POWERPC_PATCH)
  49 endef
  50
  51 #
  52 # Custom extract command to save disk space
  53 #
  54
  55 define HOST_GCC_EXTRACT_CMDS
  56         $(call suitable-extractor,$(GCC_SOURCE)) $(DL_DIR)/$(GCC_SOURCE) | \
  57                 $(TAR) --strip-components=1 -C $(@D) \
  58                 --exclude='libjava/*' \
  59                 --exclude='libgo/*' \
  60                 --exclude='gcc/testsuite/*' \
  61                 --exclude='libstdc++-v3/testsuite/*' \
  62                 $(TAR_OPTIONS) -
  63         mkdir -p $(@D)/libstdc++-v3/testsuite/
  64         echo "all:" > $(@D)/libstdc++-v3/testsuite/Makefile.in
  65         echo "install:" >> $(@D)/libstdc++-v3/testsuite/Makefile.in
  66 endef
  67
  68 #
  69 # Create 'build' directory and configure symlink
  70 #
  71
  72 define HOST_GCC_CONFIGURE_SYMLINK
  73         mkdir -p $(@D)/build
  74         ln -sf ../configure $(@D)/build/configure
  75 endef
  76
  77 #
  78 # Common configuration options
  79 #
  80
  81 HOST_GCC_COMMON_DEPENDENCIES = \
  82         host-binutils \
  83         host-gmp \
  84         host-mpfr \
  85         $(if $(BR2_BINFMT_FLAT),host-elf2flt)
  86
  87 HOST_GCC_COMMON_CONF_OPTS = \
  88         --target=$(GNU_TARGET_NAME) \
  89         --with-sysroot=$(STAGING_DIR) \
  90         --disable-__cxa_atexit \
  91         --with-gnu-ld \
  92         --disable-libssp \
  93         --disable-multilib \
  94         --with-gmp=$(HOST_DIR)/usr \
  95         --with-mpfr=$(HOST_DIR)/usr \
  96         --with-pkgversion="Buildroot $(BR2_VERSION_FULL)" \
  97         --with-bugurl="http://bugs.buildroot.net/"
  98
  99 # Don't build documentation. It takes up extra space / build time,
 100 # and sometimes needs specific makeinfo versions to work
 101 HOST_GCC_COMMON_CONF_ENV = \
 102         MAKEINFO=missing
 103
 104 GCC_COMMON_TARGET_CFLAGS = $(TARGET_CFLAGS)
 105 GCC_COMMON_TARGET_CXXFLAGS = $(TARGET_CXXFLAGS)
 106
 107 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43810
 108 # Workaround until it's fixed in 4.5.4 or later
 109 ifeq ($(ARCH),powerpc)
 110 ifeq ($(findstring x4.5.,x$(GCC_VERSION)),x4.5.)
 111 GCC_COMMON_TARGET_CFLAGS = $(filter-out -Os,$(GCC_COMMON_TARGET_CFLAGS))
 112 GCC_COMMON_TARGET_CXXFLAGS = $(filter-out -Os,$(GCC_COMMON_TARGET_CXXFLAGS))
 113 endif
 114 endif
 115
 116 # Xtensa libgcc can't be built with -mtext-section-literals
 117 # because of the trick used to generate .init/.fini sections.
 118 ifeq ($(BR2_xtensa),y)
 119 GCC_COMMON_TARGET_CFLAGS = $(filter-out -mtext-section-literals,$(TARGET_CFLAGS))
 120 GCC_COMMON_TARGET_CXXFLAGS = $(filter-out -mtext-section-literals,$(TARGET_CXXFLAGS))
 121 endif
 122
 123 # Propagate options used for target software building to GCC target libs
 124 HOST_GCC_COMMON_CONF_ENV += CFLAGS_FOR_TARGET="$(GCC_COMMON_TARGET_CFLAGS)"
 125 HOST_GCC_COMMON_CONF_ENV += CXXFLAGS_FOR_TARGET="$(GCC_COMMON_TARGET_CXXFLAGS)"
 126
 127 # libitm needs sparc V9+
 128 ifeq ($(BR2_sparc_v8)$(BR2_sparc_leon3),y)
 129 HOST_GCC_COMMON_CONF_OPTS += --disable-libitm
 130 endif
 131
 132 # gcc 4.6.x quadmath requires wchar
 133 ifneq ($(BR2_TOOLCHAIN_BUILDROOT_WCHAR),y)
 134 HOST_GCC_COMMON_CONF_OPTS += --disable-libquadmath
 135 endif
 136
 137 # libsanitizer requires wordexp, not in default uClibc config. Also
 138 # doesn't build properly with musl.
 139 ifeq ($(BR2_TOOLCHAIN_BUILDROOT_UCLIBC)$(BR2_TOOLCHAIN_BUILDROOT_MUSL),y)
 140 HOST_GCC_COMMON_CONF_OPTS += --disable-libsanitizer
 141 endif
 142
 143 # libsanitizer is broken for SPARC
 144 # https://bugs.busybox.net/show_bug.cgi?id=7951
 145 ifeq ($(BR2_sparc),y)
 146 HOST_GCC_COMMON_CONF_OPTS += --disable-libsanitizer
 147 endif
 148
 149 ifeq ($(BR2_GCC_ENABLE_TLS),y)
 150 HOST_GCC_COMMON_CONF_OPTS += --enable-tls
 151 else
 152 HOST_GCC_COMMON_CONF_OPTS += --disable-tls
 153 endif
 154
 155 ifeq ($(BR2_GCC_ENABLE_LTO),y)
 156 HOST_GCC_COMMON_CONF_OPTS += --enable-plugins --enable-lto
 157 endif
 158
 159 ifeq ($(BR2_GCC_ENABLE_LIBMUDFLAP),y)
 160 HOST_GCC_COMMON_CONF_OPTS += --enable-libmudflap
 161 else
 162 HOST_GCC_COMMON_CONF_OPTS += --disable-libmudflap
 163 endif
 164
 165 ifeq ($(BR2_PTHREADS_NONE),y)
 166 HOST_GCC_COMMON_CONF_OPTS += \
 167         --disable-threads \
 168         --disable-libitm \
 169         --disable-libatomic
 170 else
 171 HOST_GCC_COMMON_CONF_OPTS += --enable-threads
 172 endif
 173
 174 ifeq ($(BR2_GCC_NEEDS_MPC),y)
 175 HOST_GCC_COMMON_DEPENDENCIES += host-mpc
 176 HOST_GCC_COMMON_CONF_OPTS += --with-mpc=$(HOST_DIR)/usr
 177 endif
 178
 179 ifeq ($(BR2_GCC_ENABLE_GRAPHITE),y)
 180 HOST_GCC_COMMON_DEPENDENCIES += host-isl host-cloog
 181 HOST_GCC_COMMON_CONF_OPTS += --with-isl=$(HOST_DIR)/usr --with-cloog=$(HOST_DIR)/usr
 182 else
 183 HOST_GCC_COMMON_CONF_OPTS += --without-isl --without-cloog
 184 endif
 185
 186 ifeq ($(BR2_arc),y)
 187 HOST_GCC_COMMON_DEPENDENCIES += host-flex host-bison
 188 endif
 189
 190 ifeq ($(BR2_SOFT_FLOAT),y)
 191 # only mips*-*-*, arm*-*-* and sparc*-*-* accept --with-float
 192 # powerpc seems to be needing it as well
 193 ifeq ($(BR2_arm)$(BR2_armeb)$(BR2_mips)$(BR2_mipsel)$(BR2_mips64)$(BR2_mips64el)$(BR2_powerpc)$(BR2_sparc),y)
 194 HOST_GCC_COMMON_CONF_OPTS += --with-float=soft
 195 endif
 196 endif
 197
 198 ifeq ($(BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE),y)
 199 HOST_GCC_COMMON_CONF_OPTS += --disable-decimal-float
 200 endif
 201
 202 # Determine arch/tune/abi/cpu options
 203 ifneq ($(call qstrip,$(BR2_GCC_TARGET_ARCH)),)
 204 HOST_GCC_COMMON_CONF_OPTS += --with-arch=$(BR2_GCC_TARGET_ARCH)
 205 endif
 206 ifneq ($(call qstrip,$(BR2_GCC_TARGET_ABI)),)
 207 HOST_GCC_COMMON_CONF_OPTS += --with-abi=$(BR2_GCC_TARGET_ABI)
 208 endif
 209 ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU)),)
 210 ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),)
 211 HOST_GCC_COMMON_CONF_OPTS += --with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
 212 else
 213 HOST_GCC_COMMON_CONF_OPTS += --with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU))
 214 endif
 215 endif
 216
 217 GCC_TARGET_FPU = $(call qstrip,$(BR2_GCC_TARGET_FPU))
 218 ifneq ($(GCC_TARGET_FPU),)
 219 HOST_GCC_COMMON_CONF_OPTS += --with-fpu=$(GCC_TARGET_FPU)
 220 endif
 221
 222 GCC_TARGET_FLOAT_ABI = $(call qstrip,$(BR2_GCC_TARGET_FLOAT_ABI))
 223 ifneq ($(GCC_TARGET_FLOAT_ABI),)
 224 HOST_GCC_COMMON_CONF_OPTS += --with-float=$(GCC_TARGET_FLOAT_ABI)
 225 endif
 226
 227 GCC_TARGET_MODE = $(call qstrip,$(BR2_GCC_TARGET_MODE))
 228 ifneq ($(GCC_TARGET_MODE),)
 229 HOST_GCC_COMMON_CONF_OPTS += --with-mode=$(GCC_TARGET_MODE)
 230 endif
 231
 232 # Enable proper double/long double for SPE ABI
 233 ifeq ($(BR2_powerpc_SPE),y)
 234 HOST_GCC_COMMON_CONF_OPTS += \
 235         --enable-e500_double \
 236         --with-long-double-128
 237 endif
 238
 239 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_CROSS_PATH_SUFFIX='".real"'
 240
 241 ifeq ($(BR2_CCACHE),y)
 242 HOST_GCC_COMMON_CCACHE_HASH_FILES += $(DL_DIR)/$(GCC_SOURCE)
 243 # Cfr. PATCH_BASE_DIRS in .stamp_patched, but we catch both versioned and
 244 # unversioned patches unconditionally
 245 HOST_GCC_COMMON_CCACHE_HASH_FILES += \
 246         $(wildcard \
 247                 package/gcc/$(GCC_VERSION)/*.patch \
 248                 $(addsuffix $((PKG)_RAWNAME)/$(GCC_VERSION)/*.patch,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))) \
 249                 $(addsuffix $((PKG)_RAWNAME)/*.patch,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))))
 250 ifeq ($(BR2_xtensa),y)
 251 HOST_GCC_COMMON_CCACHE_HASH_FILES += $(HOST_GCC_XTENSA_OVERLAY_TAR)
 252 endif
 253 ifeq ($(ARCH),powerpc)
 254 ifneq ($(BR2_SOFT_FLOAT),)
 255 HOST_GCC_COMMON_CCACHE_HASH_FILES += package/gcc/$(GCC_VERSION)/1000-powerpc-link-with-math-lib.patch.conditional
 256 endif
 257 endif
 258
 259 # _CONF_OPTS contains some references to the absolute path of $(HOST_DIR),
 260 # so substitute those away.
 261 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE_HASH=\"`\
 262         printf '%s' $(subst $(HOST_DIR),@HOST_DIR@,$($(PKG)_CONF_OPTS)) \
 263                 | sha256sum - $(HOST_GCC_COMMON_CCACHE_HASH_FILES) \
 264                 | cut -c -64 | tr -d '\n'`\"
 265 endif # BR2_CCACHE
 266
 267 # The LTO support in gcc creates wrappers for ar, ranlib and nm which load
 268 # the lto plugin. These wrappers are called *-gcc-ar, *-gcc-ranlib, and
 269 # *-gcc-nm and should be used instead of the real programs when -flto is
 270 # used. However, we should not add the toolchain wrapper for them, and they
 271 # match the *cc-* pattern. Therefore, an additional case is added for *-ar,
 272 # *-ranlib and *-nm.
 273 # Avoid that a .real is symlinked a second time.
 274 # Also create <arch>-linux-<tool> symlinks.
 275 define HOST_GCC_INSTALL_WRAPPER_AND_SIMPLE_SYMLINKS
 276         $(Q)cd $(HOST_DIR)/usr/bin; \
 277         for i in $(GNU_TARGET_NAME)-*; do \
 278                 case "$$i" in \
 279                 *.real) \
 280                         ;; \
 281                 *-ar|*-ranlib|*-nm) \
 282                         ln -snf $$i $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}; \
 283                         ;; \
 284                 *cc|*cc-*|*++|*++-*|*cpp) \
 285                         rm -f $$i.real; \
 286                         mv $$i $$i.real; \
 287                         ln -sf toolchain-wrapper $$i; \
 288                         ln -sf toolchain-wrapper $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}; \
 289                         ln -snf $$i.real $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}.real; \
 290                         ;; \
 291                 *) \
 292                         ln -snf $$i $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}; \
 293                         ;; \
 294                 esac; \
 295         done
 296
 297 endef
 298
 299 include $(sort $(wildcard package/gcc/*/*.mk))