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_GCC_VERSION_ARC),y)
  14 GCC_SITE = $(call github,foss-for-synopsys-dwc-arc-processors,gcc,$(GCC_VERSION))
  15 GCC_SOURCE = gcc-$(GCC_VERSION).tar.gz
  16 else ifeq ($(BR2_or1k),y)
  17 GCC_SITE = $(call github,openrisc,or1k-gcc,$(GCC_VERSION))
  18 GCC_SOURCE = gcc-$(GCC_VERSION).tar.gz
  19 else
  20 GCC_SITE = $(BR2_GNU_MIRROR:/=)/gcc/gcc-$(GCC_VERSION)
  21 # From version 5.5.0, 6.4.0 and 7.2.0 a bz2 release tarball is not
  22 # provided anymore. Use the xz tarball instead.
  23 ifeq ($(BR2_GCC_VERSION_5_X)$(BR2_GCC_VERSION_6_X)$(BR2_GCC_VERSION_7_X),y)
  24 GCC_SOURCE = gcc-$(GCC_VERSION).tar.xz
  25 else
  26 GCC_SOURCE = gcc-$(GCC_VERSION).tar.bz2
  27 endif # BR2_GCC_VERSION_6_X
  28 endif
  29
  30 #
  31 # Xtensa special hook
  32 #
  33 define HOST_GCC_XTENSA_OVERLAY_EXTRACT
  34         $(call arch-xtensa-overlay-extract,$(@D),gcc)
  35 endef
  36
  37 #
  38 # Apply patches
  39 #
  40
  41 ifeq ($(ARCH),powerpc)
  42 ifneq ($(BR2_SOFT_FLOAT),)
  43 define HOST_GCC_APPLY_POWERPC_PATCH
  44         $(APPLY_PATCHES) $(@D) package/gcc/$(GCC_VERSION) 1000-powerpc-link-with-math-lib.patch.conditional
  45 endef
  46 endif
  47 endif
  48
  49 # gcc is a special package, not named gcc, but gcc-initial and
  50 # gcc-final, but patches are nonetheless stored in package/gcc in the
  51 # tree, and potentially in BR2_GLOBAL_PATCH_DIR directories as well.
  52 define HOST_GCC_APPLY_PATCHES
  53         for patchdir in \
  54             package/gcc/$(GCC_VERSION) \
  55             $(addsuffix /gcc/$(GCC_VERSION),$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))) \
  56             $(addsuffix /gcc,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))) ; do \
  57                 if test -d $${patchdir}; then \
  58                         $(APPLY_PATCHES) $(@D) $${patchdir} \*.patch || exit 1; \
  59                 fi; \
  60         done
  61         $(HOST_GCC_APPLY_POWERPC_PATCH)
  62 endef
  63
  64 HOST_GCC_EXCLUDES = \
  65         libjava/* libgo/* \
  66         gcc/testsuite/* libstdc++-v3/testsuite/*
  67
  68 define HOST_GCC_FAKE_TESTSUITE
  69         mkdir -p $(@D)/libstdc++-v3/testsuite/
  70         echo "all:" > $(@D)/libstdc++-v3/testsuite/Makefile.in
  71         echo "install:" >> $(@D)/libstdc++-v3/testsuite/Makefile.in
  72 endef
  73
  74 #
  75 # Create 'build' directory and configure symlink
  76 #
  77
  78 define HOST_GCC_CONFIGURE_SYMLINK
  79         mkdir -p $(@D)/build
  80         ln -sf ../configure $(@D)/build/configure
  81 endef
  82
  83 #
  84 # Common configuration options
  85 #
  86
  87 HOST_GCC_COMMON_DEPENDENCIES = \
  88         host-binutils \
  89         host-gmp \
  90         host-mpc \
  91         host-mpfr \
  92         $(if $(BR2_BINFMT_FLAT),host-elf2flt)
  93
  94 HOST_GCC_COMMON_CONF_OPTS = \
  95         --target=$(GNU_TARGET_NAME) \
  96         --with-sysroot=$(STAGING_DIR) \
  97         --disable-__cxa_atexit \
  98         --with-gnu-ld \
  99         --disable-libssp \
 100         --disable-multilib \
 101         --with-gmp=$(HOST_DIR) \
 102         --with-mpc=$(HOST_DIR) \
 103         --with-mpfr=$(HOST_DIR) \
 104         --with-pkgversion="Buildroot $(BR2_VERSION_FULL)" \
 105         --with-bugurl="http://bugs.buildroot.net/"
 106
 107 # Don't build documentation. It takes up extra space / build time,
 108 # and sometimes needs specific makeinfo versions to work
 109 HOST_GCC_COMMON_CONF_ENV = \
 110         MAKEINFO=missing
 111
 112 GCC_COMMON_TARGET_CFLAGS = $(TARGET_CFLAGS)
 113 GCC_COMMON_TARGET_CXXFLAGS = $(TARGET_CXXFLAGS)
 114
 115 # Propagate options used for target software building to GCC target libs
 116 HOST_GCC_COMMON_CONF_ENV += CFLAGS_FOR_TARGET="$(GCC_COMMON_TARGET_CFLAGS)"
 117 HOST_GCC_COMMON_CONF_ENV += CXXFLAGS_FOR_TARGET="$(GCC_COMMON_TARGET_CXXFLAGS)"
 118
 119 # libitm needs sparc V9+
 120 ifeq ($(BR2_sparc_v8)$(BR2_sparc_leon3),y)
 121 HOST_GCC_COMMON_CONF_OPTS += --disable-libitm
 122 endif
 123
 124 # libmpx uses secure_getenv and struct _libc_fpstate not present in musl
 125 ifeq ($(BR2_TOOLCHAIN_BUILDROOT_MUSL)$(BR2_TOOLCHAIN_GCC_AT_LEAST_6),yy)
 126 HOST_GCC_COMMON_CONF_OPTS += --disable-libmpx
 127 endif
 128
 129 # quadmath support requires wchar
 130 ifeq ($(BR2_USE_WCHAR)$(BR2_TOOLCHAIN_HAS_LIBQUADMATH),yy)
 131 HOST_GCC_COMMON_CONF_OPTS += --enable-libquadmath
 132 else
 133 HOST_GCC_COMMON_CONF_OPTS += --disable-libquadmath
 134 endif
 135
 136 # libsanitizer requires wordexp, not in default uClibc config. Also
 137 # doesn't build properly with musl.
 138 ifeq ($(BR2_TOOLCHAIN_BUILDROOT_UCLIBC)$(BR2_TOOLCHAIN_BUILDROOT_MUSL),y)
 139 HOST_GCC_COMMON_CONF_OPTS += --disable-libsanitizer
 140 endif
 141
 142 # libsanitizer is broken for SPARC
 143 # https://bugs.busybox.net/show_bug.cgi?id=7951
 144 ifeq ($(BR2_sparc)$(BR2_sparc64),y)
 145 HOST_GCC_COMMON_CONF_OPTS += --disable-libsanitizer
 146 endif
 147
 148 # TLS support is not needed on uClibc/no-thread and
 149 # uClibc/linux-threads, otherwise, for all other situations (glibc,
 150 # musl and uClibc/NPTL), we need it.
 151 ifeq ($(BR2_TOOLCHAIN_BUILDROOT_UCLIBC)$(BR2_PTHREADS)$(BR2_PTHREADS_NONE),yy)
 152 HOST_GCC_COMMON_CONF_OPTS += --disable-tls
 153 else
 154 HOST_GCC_COMMON_CONF_OPTS += --enable-tls
 155 endif
 156
 157 ifeq ($(BR2_GCC_ENABLE_LTO),y)
 158 HOST_GCC_COMMON_CONF_OPTS += --enable-plugins --enable-lto
 159 endif
 160
 161 ifeq ($(BR2_GCC_ENABLE_LIBMUDFLAP),y)
 162 HOST_GCC_COMMON_CONF_OPTS += --enable-libmudflap
 163 else
 164 HOST_GCC_COMMON_CONF_OPTS += --disable-libmudflap
 165 endif
 166
 167 ifeq ($(BR2_PTHREADS_NONE),y)
 168 HOST_GCC_COMMON_CONF_OPTS += \
 169         --disable-threads \
 170         --disable-libitm \
 171         --disable-libatomic
 172 else
 173 HOST_GCC_COMMON_CONF_OPTS += --enable-threads
 174 endif
 175
 176 # gcc 5 doesn't need cloog any more, see
 177 # https://gcc.gnu.org/gcc-5/changes.html and we don't support graphite
 178 # on GCC 4.9.x, so only isl is needed.
 179 ifeq ($(BR2_GCC_ENABLE_GRAPHITE),y)
 180 HOST_GCC_COMMON_DEPENDENCIES += host-isl
 181 HOST_GCC_COMMON_CONF_OPTS += --with-isl=$(HOST_DIR)
 182 else
 183 HOST_GCC_COMMON_CONF_OPTS += --without-isl --without-cloog
 184 endif
 185
 186 ifeq ($(BR2_arc)$(BR2_or1k),y)
 187 HOST_GCC_COMMON_DEPENDENCIES += host-flex host-bison
 188 endif
 189
 190 ifeq ($(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 ($(BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE),y)
 199 HOST_GCC_COMMON_CONF_OPTS += --disable-decimal-float
 200 endif
 201
 202 # Determine arch/tune/abi/cpu options
 203 ifeq ($(BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS),y)
 204 ifneq ($(call qstrip,$(BR2_GCC_TARGET_ARCH)),)
 205 HOST_GCC_COMMON_CONF_OPTS += --with-arch=$(BR2_GCC_TARGET_ARCH)
 206 endif
 207 ifneq ($(call qstrip,$(BR2_GCC_TARGET_ABI)),)
 208 HOST_GCC_COMMON_CONF_OPTS += --with-abi=$(BR2_GCC_TARGET_ABI)
 209 endif
 210 ifeq ($(BR2_TOOLCHAIN_HAS_MNAN_OPTION),y)
 211 ifneq ($(call qstrip,$(BR2_GCC_TARGET_NAN)),)
 212 HOST_GCC_COMMON_CONF_OPTS += --with-nan=$(BR2_GCC_TARGET_NAN)
 213 endif
 214 endif
 215 ifneq ($(call qstrip,$(BR2_GCC_TARGET_FP32_MODE)),)
 216 HOST_GCC_COMMON_CONF_OPTS += --with-fp-32=$(BR2_GCC_TARGET_FP32_MODE)
 217 endif
 218 ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU)),)
 219 ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),)
 220 HOST_GCC_COMMON_CONF_OPTS += --with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
 221 else
 222 HOST_GCC_COMMON_CONF_OPTS += --with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU))
 223 endif
 224 endif
 225
 226 GCC_TARGET_FPU = $(call qstrip,$(BR2_GCC_TARGET_FPU))
 227 ifneq ($(GCC_TARGET_FPU),)
 228 HOST_GCC_COMMON_CONF_OPTS += --with-fpu=$(GCC_TARGET_FPU)
 229 endif
 230
 231 GCC_TARGET_FLOAT_ABI = $(call qstrip,$(BR2_GCC_TARGET_FLOAT_ABI))
 232 ifneq ($(GCC_TARGET_FLOAT_ABI),)
 233 HOST_GCC_COMMON_CONF_OPTS += --with-float=$(GCC_TARGET_FLOAT_ABI)
 234 endif
 235
 236 GCC_TARGET_MODE = $(call qstrip,$(BR2_GCC_TARGET_MODE))
 237 ifneq ($(GCC_TARGET_MODE),)
 238 HOST_GCC_COMMON_CONF_OPTS += --with-mode=$(GCC_TARGET_MODE)
 239 endif
 240 endif # BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS
 241
 242 # Enable proper double/long double for SPE ABI
 243 ifeq ($(BR2_powerpc_SPE),y)
 244 HOST_GCC_COMMON_CONF_OPTS += \
 245         --enable-e500_double \
 246         --with-long-double-128
 247 endif
 248
 249 # PowerPC64 big endian by default uses the elfv1 ABI, and PowerPC 64
 250 # little endian by default uses the elfv2 ABI. However, musl has
 251 # decided to use the elfv2 ABI for both, so we force the elfv2 ABI for
 252 # Power64 big endian when the selected C library is musl.
 253 ifeq ($(BR2_TOOLCHAIN_USES_MUSL)$(BR2_powerpc64),yy)
 254 HOST_GCC_COMMON_CONF_OPTS += \
 255         --with-abi=elfv2 \
 256         --without-long-double-128
 257 endif
 258
 259 # Since glibc >= 2.26, poerpc64le requires double/long double which
 260 # requires at least gcc 6.2.
 261 # See sysdeps/powerpc/powerpc64le/configure.ac
 262 ifeq ($(BR2_TOOLCHAIN_USES_GLIBC)$(BR2_TOOLCHAIN_GCC_AT_LEAST_6)$(BR2_powerpc64le),yyy)
 263 HOST_GCC_COMMON_CONF_OPTS += \
 264         --with-long-double-128
 265 endif
 266
 267 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_CROSS_PATH_SUFFIX='".br_real"'
 268 ifeq ($(BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS),)
 269 ifeq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),)
 270 HOST_GCC_COMMON_WRAPPER_TARGET_CPU := $(call qstrip,$(BR2_GCC_TARGET_CPU))
 271 else
 272 HOST_GCC_COMMON_WRAPPER_TARGET_CPU := $(call qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
 273 endif
 274 HOST_GCC_COMMON_WRAPPER_TARGET_ARCH := $(call qstrip,$(BR2_GCC_TARGET_ARCH))
 275 HOST_GCC_COMMON_WRAPPER_TARGET_ABI := $(call qstrip,$(BR2_GCC_TARGET_ABI))
 276 HOST_GCC_COMMON_WRAPPER_TARGET_NAN := $(call qstrip,$(BR2_GCC_TARGET_NAN))
 277 HOST_GCC_COMMON_WRAPPER_TARGET_FP32_MODE := $(call qstrip,$(BR2_GCC_TARGET_FP32_MODE))
 278 HOST_GCC_COMMON_WRAPPER_TARGET_FPU := $(call qstrip,$(BR2_GCC_TARGET_FPU))
 279 HOST_GCC_COMMON_WRAPPER_TARGET_FLOAT_ABI := $(call qstrip,$(BR2_GCC_TARGET_FLOAT_ABI))
 280 HOST_GCC_COMMON_WRAPPER_TARGET_MODE := $(call qstrip,$(BR2_GCC_TARGET_MODE))
 281
 282 ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_ARCH),)
 283 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_ARCH='"$(HOST_GCC_COMMON_WRAPPER_TARGET_ARCH)"'
 284 endif
 285 ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_CPU),)
 286 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_CPU='"$(HOST_GCC_COMMON_WRAPPER_TARGET_CPU)"'
 287 endif
 288 ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_ABI),)
 289 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_ABI='"$(HOST_GCC_COMMON_WRAPPER_TARGET_ABI)"'
 290 endif
 291 ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_NAN),)
 292 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_NAN='"$(HOST_GCC_COMMON_WRAPPER_TARGET_NAN)"'
 293 endif
 294 ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_FP32_MODE),)
 295 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_FP32_MODE='"$(HOST_GCC_COMMON_WRAPPER_TARGET_FP32_MODE)"'
 296 endif
 297 ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_FPU),)
 298 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_FPU='"$(HOST_GCC_COMMON_WRAPPER_TARGET_FPU)"'
 299 endif
 300 ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_FLOAT_ABI),)
 301 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_FLOAT_ABI='"$(HOST_GCC_COMMON_WRAPPER_TARGET_FLOAT_ABI)"'
 302 endif
 303 ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_MODE),)
 304 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_MODE='"$(HOST_GCC_COMMON_WRAPPER_TARGET_MODE)"'
 305 endif
 306 endif # !BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS
 307
 308 # For gcc-initial, we need to tell gcc that the C library will be
 309 # providing the ssp support, as it can't guess it since the C library
 310 # hasn't been built yet.
 311 #
 312 # For gcc-final, the gcc logic to detect whether SSP support is
 313 # available or not in the C library is not working properly for
 314 # uClibc, so let's be explicit as well.
 315 HOST_GCC_COMMON_MAKE_OPTS = \
 316         gcc_cv_libc_provides_ssp=$(if $(BR2_TOOLCHAIN_HAS_SSP),yes,no)
 317
 318 ifeq ($(BR2_CCACHE),y)
 319 HOST_GCC_COMMON_CCACHE_HASH_FILES += $(GCC_DL_DIR)/$(GCC_SOURCE)
 320
 321 # Cfr. PATCH_BASE_DIRS in .stamp_patched, but we catch both versioned
 322 # and unversioned patches unconditionally. Moreover, to facilitate the
 323 # addition of gcc patches in BR2_GLOBAL_PATCH_DIR, we allow them to be
 324 # stored in a sub-directory called 'gcc' even if it's not technically
 325 # the name of the package.
 326 HOST_GCC_COMMON_CCACHE_HASH_FILES += \
 327         $(sort $(wildcard \
 328                 package/gcc/$(GCC_VERSION)/*.patch \
 329                 $(addsuffix /$($(PKG)_RAWNAME)/$(GCC_VERSION)/*.patch,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))) \
 330                 $(addsuffix /$($(PKG)_RAWNAME)/*.patch,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))) \
 331                 $(addsuffix /gcc/$(GCC_VERSION)/*.patch,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))) \
 332                 $(addsuffix /gcc/*.patch,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR)))))
 333 ifeq ($(BR2_xtensa),y)
 334 HOST_GCC_COMMON_CCACHE_HASH_FILES += $(ARCH_XTENSA_OVERLAY_TAR)
 335 endif
 336 ifeq ($(ARCH),powerpc)
 337 ifneq ($(BR2_SOFT_FLOAT),)
 338 HOST_GCC_COMMON_CCACHE_HASH_FILES += package/gcc/$(GCC_VERSION)/1000-powerpc-link-with-math-lib.patch.conditional
 339 endif
 340 endif
 341
 342 # _CONF_OPTS contains some references to the absolute path of $(HOST_DIR)
 343 # and a reference to the Buildroot git revision (BR2_VERSION_FULL),
 344 # so substitute those away.
 345 HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE_HASH=\"`\
 346         printf '%s\n' $(subst $(HOST_DIR),@HOST_DIR@,\
 347                 $(subst --with-pkgversion="Buildroot $(BR2_VERSION_FULL)",,$($(PKG)_CONF_OPTS))) \
 348                 | sha256sum - $(HOST_GCC_COMMON_CCACHE_HASH_FILES) \
 349                 | cut -c -64 | tr -d '\n'`\"
 350 endif # BR2_CCACHE
 351
 352 # The LTO support in gcc creates wrappers for ar, ranlib and nm which load
 353 # the lto plugin. These wrappers are called *-gcc-ar, *-gcc-ranlib, and
 354 # *-gcc-nm and should be used instead of the real programs when -flto is
 355 # used. However, we should not add the toolchain wrapper for them, and they
 356 # match the *cc-* pattern. Therefore, an additional case is added for *-ar,
 357 # *-ranlib and *-nm.
 358 # According to gfortran manpage, it supports all options supported by gcc, so
 359 # add gfortran to the list of the program called via the Buildroot wrapper.
 360 # Avoid that a .br_real is symlinked a second time.
 361 # Also create <arch>-linux-<tool> symlinks.
 362 define HOST_GCC_INSTALL_WRAPPER_AND_SIMPLE_SYMLINKS
 363         $(Q)cd $(HOST_DIR)/bin; \
 364         for i in $(GNU_TARGET_NAME)-*; do \
 365                 case "$$i" in \
 366                 *.br_real) \
 367                         ;; \
 368                 *-ar|*-ranlib|*-nm) \
 369                         ln -snf $$i $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}; \
 370                         ;; \
 371                 *cc|*cc-*|*++|*++-*|*cpp|*-gfortran) \
 372                         rm -f $$i.br_real; \
 373                         mv $$i $$i.br_real; \
 374                         ln -sf toolchain-wrapper $$i; \
 375                         ln -sf toolchain-wrapper $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}; \
 376                         ln -snf $$i.br_real $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}.br_real; \
 377                         ;; \
 378                 *) \
 379                         ln -snf $$i $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}; \
 380                         ;; \
 381                 esac; \
 382         done
 383
 384 endef
 385
 386 include $(sort $(wildcard package/gcc/*/*.mk))