b09586c4c3
Upstream gcc now has support for ARC, as of 7.x, with 7.2 being usable, so let's allow its selection. GCC from Synopsys GitHub still has a lot of fixes and improvements most of which will be a part of the next upstream release but let's see how it goes and if we see vanilla GCC doesn't require way too many back-ported patches we'll be able to get rid of Synopsys GitHub here at all. As of today the only really required back-port is the one for non-uClibc libc. Back-ported from upstream master with help of: -------------------->8-------------------- git format-patch 927c0132251f -1 -- . ':!gcc/ChangeLog' ':!libgcc/ChangeLog' -------------------->8-------------------- Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
387 lines
13 KiB
Makefile
387 lines
13 KiB
Makefile
################################################################################
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#
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# Common variables for the gcc-initial and gcc-final packages.
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#
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################################################################################
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#
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# Version, site and source
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#
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GCC_VERSION = $(call qstrip,$(BR2_GCC_VERSION))
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ifeq ($(BR2_GCC_VERSION_ARC),y)
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GCC_SITE = $(call github,foss-for-synopsys-dwc-arc-processors,gcc,$(GCC_VERSION))
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GCC_SOURCE = gcc-$(GCC_VERSION).tar.gz
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else ifeq ($(BR2_or1k),y)
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GCC_SITE = $(call github,openrisc,or1k-gcc,$(GCC_VERSION))
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GCC_SOURCE = gcc-$(GCC_VERSION).tar.gz
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else
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GCC_SITE = $(BR2_GNU_MIRROR:/=)/gcc/gcc-$(GCC_VERSION)
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# From version 5.5.0, 6.4.0 and 7.2.0 a bz2 release tarball is not
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# provided anymore. Use the xz tarball instead.
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ifeq ($(BR2_GCC_VERSION_5_X)$(BR2_GCC_VERSION_6_X)$(BR2_GCC_VERSION_7_X),y)
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GCC_SOURCE = gcc-$(GCC_VERSION).tar.xz
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else
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GCC_SOURCE = gcc-$(GCC_VERSION).tar.bz2
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endif # BR2_GCC_VERSION_6_X
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endif
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#
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# Xtensa special hook
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#
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define HOST_GCC_XTENSA_OVERLAY_EXTRACT
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$(call arch-xtensa-overlay-extract,$(@D),gcc)
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endef
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#
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# Apply patches
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#
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ifeq ($(ARCH),powerpc)
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ifneq ($(BR2_SOFT_FLOAT),)
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define HOST_GCC_APPLY_POWERPC_PATCH
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$(APPLY_PATCHES) $(@D) package/gcc/$(GCC_VERSION) 1000-powerpc-link-with-math-lib.patch.conditional
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endef
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endif
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endif
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# gcc is a special package, not named gcc, but gcc-initial and
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# gcc-final, but patches are nonetheless stored in package/gcc in the
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# tree, and potentially in BR2_GLOBAL_PATCH_DIR directories as well.
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define HOST_GCC_APPLY_PATCHES
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for patchdir in \
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package/gcc/$(GCC_VERSION) \
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$(addsuffix /gcc/$(GCC_VERSION),$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))) \
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$(addsuffix /gcc,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))) ; do \
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if test -d $${patchdir}; then \
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$(APPLY_PATCHES) $(@D) $${patchdir} \*.patch || exit 1; \
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fi; \
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done
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$(HOST_GCC_APPLY_POWERPC_PATCH)
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endef
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HOST_GCC_EXCLUDES = \
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libjava/* libgo/* \
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gcc/testsuite/* libstdc++-v3/testsuite/*
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define HOST_GCC_FAKE_TESTSUITE
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mkdir -p $(@D)/libstdc++-v3/testsuite/
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echo "all:" > $(@D)/libstdc++-v3/testsuite/Makefile.in
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echo "install:" >> $(@D)/libstdc++-v3/testsuite/Makefile.in
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endef
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#
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# Create 'build' directory and configure symlink
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#
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define HOST_GCC_CONFIGURE_SYMLINK
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mkdir -p $(@D)/build
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ln -sf ../configure $(@D)/build/configure
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endef
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#
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# Common configuration options
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#
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HOST_GCC_COMMON_DEPENDENCIES = \
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host-binutils \
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host-gmp \
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host-mpc \
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host-mpfr \
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$(if $(BR2_BINFMT_FLAT),host-elf2flt)
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HOST_GCC_COMMON_CONF_OPTS = \
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--target=$(GNU_TARGET_NAME) \
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--with-sysroot=$(STAGING_DIR) \
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--disable-__cxa_atexit \
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--with-gnu-ld \
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--disable-libssp \
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--disable-multilib \
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--with-gmp=$(HOST_DIR) \
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--with-mpc=$(HOST_DIR) \
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--with-mpfr=$(HOST_DIR) \
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--with-pkgversion="Buildroot $(BR2_VERSION_FULL)" \
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--with-bugurl="http://bugs.buildroot.net/"
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# Don't build documentation. It takes up extra space / build time,
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# and sometimes needs specific makeinfo versions to work
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HOST_GCC_COMMON_CONF_ENV = \
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MAKEINFO=missing
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GCC_COMMON_TARGET_CFLAGS = $(TARGET_CFLAGS)
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GCC_COMMON_TARGET_CXXFLAGS = $(TARGET_CXXFLAGS)
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# Propagate options used for target software building to GCC target libs
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HOST_GCC_COMMON_CONF_ENV += CFLAGS_FOR_TARGET="$(GCC_COMMON_TARGET_CFLAGS)"
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HOST_GCC_COMMON_CONF_ENV += CXXFLAGS_FOR_TARGET="$(GCC_COMMON_TARGET_CXXFLAGS)"
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# libitm needs sparc V9+
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ifeq ($(BR2_sparc_v8)$(BR2_sparc_leon3),y)
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HOST_GCC_COMMON_CONF_OPTS += --disable-libitm
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endif
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# libmpx uses secure_getenv and struct _libc_fpstate not present in musl
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ifeq ($(BR2_TOOLCHAIN_BUILDROOT_MUSL)$(BR2_TOOLCHAIN_GCC_AT_LEAST_6),yy)
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HOST_GCC_COMMON_CONF_OPTS += --disable-libmpx
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endif
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# quadmath support requires wchar
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ifeq ($(BR2_USE_WCHAR)$(BR2_TOOLCHAIN_HAS_LIBQUADMATH),yy)
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HOST_GCC_COMMON_CONF_OPTS += --enable-libquadmath
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else
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HOST_GCC_COMMON_CONF_OPTS += --disable-libquadmath
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endif
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# libsanitizer requires wordexp, not in default uClibc config. Also
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# doesn't build properly with musl.
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ifeq ($(BR2_TOOLCHAIN_BUILDROOT_UCLIBC)$(BR2_TOOLCHAIN_BUILDROOT_MUSL),y)
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HOST_GCC_COMMON_CONF_OPTS += --disable-libsanitizer
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endif
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# libsanitizer is broken for SPARC
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# https://bugs.busybox.net/show_bug.cgi?id=7951
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ifeq ($(BR2_sparc)$(BR2_sparc64),y)
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HOST_GCC_COMMON_CONF_OPTS += --disable-libsanitizer
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endif
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# TLS support is not needed on uClibc/no-thread and
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# uClibc/linux-threads, otherwise, for all other situations (glibc,
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# musl and uClibc/NPTL), we need it.
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ifeq ($(BR2_TOOLCHAIN_BUILDROOT_UCLIBC)$(BR2_PTHREADS)$(BR2_PTHREADS_NONE),yy)
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HOST_GCC_COMMON_CONF_OPTS += --disable-tls
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else
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HOST_GCC_COMMON_CONF_OPTS += --enable-tls
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endif
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ifeq ($(BR2_GCC_ENABLE_LTO),y)
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HOST_GCC_COMMON_CONF_OPTS += --enable-plugins --enable-lto
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endif
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ifeq ($(BR2_GCC_ENABLE_LIBMUDFLAP),y)
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HOST_GCC_COMMON_CONF_OPTS += --enable-libmudflap
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else
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HOST_GCC_COMMON_CONF_OPTS += --disable-libmudflap
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endif
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ifeq ($(BR2_PTHREADS_NONE),y)
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HOST_GCC_COMMON_CONF_OPTS += \
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--disable-threads \
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--disable-libitm \
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--disable-libatomic
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else
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HOST_GCC_COMMON_CONF_OPTS += --enable-threads
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endif
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# gcc 5 doesn't need cloog any more, see
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# https://gcc.gnu.org/gcc-5/changes.html and we don't support graphite
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# on GCC 4.9.x, so only isl is needed.
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ifeq ($(BR2_GCC_ENABLE_GRAPHITE),y)
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HOST_GCC_COMMON_DEPENDENCIES += host-isl
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HOST_GCC_COMMON_CONF_OPTS += --with-isl=$(HOST_DIR)
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else
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HOST_GCC_COMMON_CONF_OPTS += --without-isl --without-cloog
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endif
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ifeq ($(BR2_arc)$(BR2_or1k),y)
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HOST_GCC_COMMON_DEPENDENCIES += host-flex host-bison
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endif
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ifeq ($(BR2_SOFT_FLOAT),y)
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# only mips*-*-*, arm*-*-* and sparc*-*-* accept --with-float
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# powerpc seems to be needing it as well
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ifeq ($(BR2_arm)$(BR2_armeb)$(BR2_mips)$(BR2_mipsel)$(BR2_mips64)$(BR2_mips64el)$(BR2_powerpc)$(BR2_sparc),y)
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HOST_GCC_COMMON_CONF_OPTS += --with-float=soft
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endif
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endif
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ifeq ($(BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE),y)
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HOST_GCC_COMMON_CONF_OPTS += --disable-decimal-float
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endif
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# Determine arch/tune/abi/cpu options
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ifeq ($(BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS),y)
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ifneq ($(call qstrip,$(BR2_GCC_TARGET_ARCH)),)
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HOST_GCC_COMMON_CONF_OPTS += --with-arch=$(BR2_GCC_TARGET_ARCH)
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endif
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ifneq ($(call qstrip,$(BR2_GCC_TARGET_ABI)),)
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HOST_GCC_COMMON_CONF_OPTS += --with-abi=$(BR2_GCC_TARGET_ABI)
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endif
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ifeq ($(BR2_TOOLCHAIN_HAS_MNAN_OPTION),y)
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ifneq ($(call qstrip,$(BR2_GCC_TARGET_NAN)),)
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HOST_GCC_COMMON_CONF_OPTS += --with-nan=$(BR2_GCC_TARGET_NAN)
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endif
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endif
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ifneq ($(call qstrip,$(BR2_GCC_TARGET_FP32_MODE)),)
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HOST_GCC_COMMON_CONF_OPTS += --with-fp-32=$(BR2_GCC_TARGET_FP32_MODE)
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endif
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ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU)),)
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ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),)
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HOST_GCC_COMMON_CONF_OPTS += --with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
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else
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HOST_GCC_COMMON_CONF_OPTS += --with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU))
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endif
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endif
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GCC_TARGET_FPU = $(call qstrip,$(BR2_GCC_TARGET_FPU))
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ifneq ($(GCC_TARGET_FPU),)
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HOST_GCC_COMMON_CONF_OPTS += --with-fpu=$(GCC_TARGET_FPU)
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endif
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GCC_TARGET_FLOAT_ABI = $(call qstrip,$(BR2_GCC_TARGET_FLOAT_ABI))
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ifneq ($(GCC_TARGET_FLOAT_ABI),)
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HOST_GCC_COMMON_CONF_OPTS += --with-float=$(GCC_TARGET_FLOAT_ABI)
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endif
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GCC_TARGET_MODE = $(call qstrip,$(BR2_GCC_TARGET_MODE))
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ifneq ($(GCC_TARGET_MODE),)
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HOST_GCC_COMMON_CONF_OPTS += --with-mode=$(GCC_TARGET_MODE)
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endif
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endif # BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS
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# Enable proper double/long double for SPE ABI
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ifeq ($(BR2_powerpc_SPE),y)
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HOST_GCC_COMMON_CONF_OPTS += \
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--enable-e500_double \
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--with-long-double-128
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endif
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# PowerPC64 big endian by default uses the elfv1 ABI, and PowerPC 64
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# little endian by default uses the elfv2 ABI. However, musl has
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# decided to use the elfv2 ABI for both, so we force the elfv2 ABI for
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# Power64 big endian when the selected C library is musl.
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ifeq ($(BR2_TOOLCHAIN_USES_MUSL)$(BR2_powerpc64),yy)
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HOST_GCC_COMMON_CONF_OPTS += \
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--with-abi=elfv2 \
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--without-long-double-128
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endif
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# Since glibc >= 2.26, poerpc64le requires double/long double which
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# requires at least gcc 6.2.
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# See sysdeps/powerpc/powerpc64le/configure.ac
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ifeq ($(BR2_TOOLCHAIN_USES_GLIBC)$(BR2_TOOLCHAIN_GCC_AT_LEAST_6)$(BR2_powerpc64le),yyy)
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HOST_GCC_COMMON_CONF_OPTS += \
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--with-long-double-128
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endif
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HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_CROSS_PATH_SUFFIX='".br_real"'
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ifeq ($(BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS),)
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ifeq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),)
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HOST_GCC_COMMON_WRAPPER_TARGET_CPU := $(call qstrip,$(BR2_GCC_TARGET_CPU))
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else
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HOST_GCC_COMMON_WRAPPER_TARGET_CPU := $(call qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
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endif
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HOST_GCC_COMMON_WRAPPER_TARGET_ARCH := $(call qstrip,$(BR2_GCC_TARGET_ARCH))
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HOST_GCC_COMMON_WRAPPER_TARGET_ABI := $(call qstrip,$(BR2_GCC_TARGET_ABI))
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HOST_GCC_COMMON_WRAPPER_TARGET_NAN := $(call qstrip,$(BR2_GCC_TARGET_NAN))
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HOST_GCC_COMMON_WRAPPER_TARGET_FP32_MODE := $(call qstrip,$(BR2_GCC_TARGET_FP32_MODE))
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HOST_GCC_COMMON_WRAPPER_TARGET_FPU := $(call qstrip,$(BR2_GCC_TARGET_FPU))
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HOST_GCC_COMMON_WRAPPER_TARGET_FLOAT_ABI := $(call qstrip,$(BR2_GCC_TARGET_FLOAT_ABI))
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HOST_GCC_COMMON_WRAPPER_TARGET_MODE := $(call qstrip,$(BR2_GCC_TARGET_MODE))
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ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_ARCH),)
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HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_ARCH='"$(HOST_GCC_COMMON_WRAPPER_TARGET_ARCH)"'
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endif
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ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_CPU),)
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HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_CPU='"$(HOST_GCC_COMMON_WRAPPER_TARGET_CPU)"'
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endif
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ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_ABI),)
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HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_ABI='"$(HOST_GCC_COMMON_WRAPPER_TARGET_ABI)"'
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endif
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ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_NAN),)
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HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_NAN='"$(HOST_GCC_COMMON_WRAPPER_TARGET_NAN)"'
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endif
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ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_FP32_MODE),)
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HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_FP32_MODE='"$(HOST_GCC_COMMON_WRAPPER_TARGET_FP32_MODE)"'
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endif
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ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_FPU),)
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HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_FPU='"$(HOST_GCC_COMMON_WRAPPER_TARGET_FPU)"'
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endif
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ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_FLOATABI_),)
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HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_FLOAT_ABI='"$(HOST_GCC_COMMON_WRAPPER_TARGET_FLOATABI_)"'
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endif
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ifneq ($(HOST_GCC_COMMON_WRAPPER_TARGET_MODE),)
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HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_MODE='"$(HOST_GCC_COMMON_WRAPPER_TARGET_MODE)"'
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endif
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endif # !BR2_GCC_ARCH_HAS_CONFIGURABLE_DEFAULTS
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# For gcc-initial, we need to tell gcc that the C library will be
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# providing the ssp support, as it can't guess it since the C library
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# hasn't been built yet.
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#
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# For gcc-final, the gcc logic to detect whether SSP support is
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# available or not in the C library is not working properly for
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# uClibc, so let's be explicit as well.
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HOST_GCC_COMMON_MAKE_OPTS = \
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gcc_cv_libc_provides_ssp=$(if $(BR2_TOOLCHAIN_HAS_SSP),yes,no)
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ifeq ($(BR2_CCACHE),y)
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HOST_GCC_COMMON_CCACHE_HASH_FILES += $(DL_DIR)/$(GCC_SOURCE)
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# Cfr. PATCH_BASE_DIRS in .stamp_patched, but we catch both versioned
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# and unversioned patches unconditionally. Moreover, to facilitate the
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# addition of gcc patches in BR2_GLOBAL_PATCH_DIR, we allow them to be
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# stored in a sub-directory called 'gcc' even if it's not technically
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# the name of the package.
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HOST_GCC_COMMON_CCACHE_HASH_FILES += \
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$(sort $(wildcard \
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package/gcc/$(GCC_VERSION)/*.patch \
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$(addsuffix /$($(PKG)_RAWNAME)/$(GCC_VERSION)/*.patch,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))) \
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$(addsuffix /$($(PKG)_RAWNAME)/*.patch,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))) \
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$(addsuffix /gcc/$(GCC_VERSION)/*.patch,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR))) \
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$(addsuffix /gcc/*.patch,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR)))))
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ifeq ($(BR2_xtensa),y)
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HOST_GCC_COMMON_CCACHE_HASH_FILES += $(ARCH_XTENSA_OVERLAY_TAR)
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endif
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ifeq ($(ARCH),powerpc)
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ifneq ($(BR2_SOFT_FLOAT),)
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HOST_GCC_COMMON_CCACHE_HASH_FILES += package/gcc/$(GCC_VERSION)/1000-powerpc-link-with-math-lib.patch.conditional
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endif
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endif
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# _CONF_OPTS contains some references to the absolute path of $(HOST_DIR)
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# and a reference to the Buildroot git revision (BR2_VERSION_FULL),
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# so substitute those away.
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HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE_HASH=\"`\
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printf '%s\n' $(subst $(HOST_DIR),@HOST_DIR@,\
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$(subst --with-pkgversion="Buildroot $(BR2_VERSION_FULL)",,$($(PKG)_CONF_OPTS))) \
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| sha256sum - $(HOST_GCC_COMMON_CCACHE_HASH_FILES) \
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| cut -c -64 | tr -d '\n'`\"
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endif # BR2_CCACHE
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# The LTO support in gcc creates wrappers for ar, ranlib and nm which load
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# the lto plugin. These wrappers are called *-gcc-ar, *-gcc-ranlib, and
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# *-gcc-nm and should be used instead of the real programs when -flto is
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# used. However, we should not add the toolchain wrapper for them, and they
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# match the *cc-* pattern. Therefore, an additional case is added for *-ar,
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# *-ranlib and *-nm.
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# According to gfortran manpage, it supports all options supported by gcc, so
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# add gfortran to the list of the program called via the Buildroot wrapper.
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# Avoid that a .br_real is symlinked a second time.
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# Also create <arch>-linux-<tool> symlinks.
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define HOST_GCC_INSTALL_WRAPPER_AND_SIMPLE_SYMLINKS
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$(Q)cd $(HOST_DIR)/bin; \
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for i in $(GNU_TARGET_NAME)-*; do \
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case "$$i" in \
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*.br_real) \
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;; \
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*-ar|*-ranlib|*-nm) \
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ln -snf $$i $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}; \
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;; \
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*cc|*cc-*|*++|*++-*|*cpp|*-gfortran) \
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rm -f $$i.br_real; \
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mv $$i $$i.br_real; \
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ln -sf toolchain-wrapper $$i; \
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ln -sf toolchain-wrapper $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}; \
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ln -snf $$i.br_real $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}.br_real; \
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;; \
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*) \
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ln -snf $$i $(ARCH)-linux$${i##$(GNU_TARGET_NAME)}; \
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;; \
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esac; \
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done
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endef
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include $(sort $(wildcard package/gcc/*/*.mk))
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