gcc: common definitions

[Peter: tweak file header]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

1 files changed, 162 insertions, 0 deletions

diff --git a/package/gcc/gcc.mk b/package/gcc/gcc.mk
new file mode 100644
index 000000000..3b61ffd45
--- /dev/null
+++ b/package/gcc/gcc.mk
@@ -0,0 +1,162 @@
+################################################################################
+#
+# Common variables for the gcc-initial, gcc-intermediate and gcc-final
+# packages.
+#
+################################################################################
+
+#
+# Version, site and source
+#
+
+GCC_VERSION = $(call qstrip,$(BR2_GCC_VERSION))
+
+ifeq ($(BR2_GCC_VERSION_SNAP),y)
+GCC_SNAP_DATE = $(call qstrip,$(BR2_GCC_SNAP_DATE))
+endif
+
+ifneq ($(GCC_SNAP_DATE),)
+GCC_SITE = ftp://gcc.gnu.org/pub/gcc/snapshots/$(GCC_SNAP_DATE)/
+else ifeq ($(findstring avr32,$(GCC_VERSION)),avr32)
+GCC_SITE = ftp://www.at91.com/pub/buildroot/
+else
+GCC_SITE = $(BR2_GNU_MIRROR:/=)/gcc/gcc-$(GCC_VERSION)
+endif
+
+GCC_SOURCE = gcc-$(GCC_VERSION).tar.bz2
+
+#
+# Xtensa special hook
+#
+
+define HOST_GCC_XTENSA_OVERLAY_EXTRACT
+        tar xf $(BR2_XTENSA_OVERLAY_DIR)/xtensa_$(call qstrip,\
+                $(BR2_XTENSA_CORE_NAME)).tar -C $(@D) --strip-components=1 gcc
+endef
+
+#
+# Apply patches
+#
+
+define HOST_GCC_APPLY_PATCHES
+	support/scripts/apply-patches.sh $(@D) package/gcc/$(GCC_VERSION) \*.patch
+endef
+
+#
+# Create 'build' directory and configure symlink
+#
+
+define HOST_GCC_CONFIGURE_SYMLINK
+	mkdir -p $(@D)/build
+	ln -s ../configure $(@D)/build/configure
+endef
+
+#
+# Common configuration options
+#
+
+HOST_GCC_COMMON_DEPENDENCIES = \
+	host-binutils \
+	host-gmp \
+	host-mpfr
+
+HOST_GCC_COMMON_CONF_OPT = \
+	--target=$(GNU_TARGET_NAME) \
+	--with-sysroot=$(STAGING_DIR) \
+	--disable-__cxa_atexit \
+	--with-gnu-ld \
+	--disable-libssp \
+	--disable-multilib \
+	--with-gmp=$(HOST_DIR)/usr \
+	--with-mpfr=$(HOST_DIR)/usr \
+
+# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43810
+# Workaround until it's fixed in 4.5.4 or later
+ifeq ($(ARCH),powerpc)
+ifeq ($(findstring x4.5.,x$(GCC_VERSION)),x4.5.)
+HOST_GCC_COMMON_CONF_OPT += --disable-target-optspace
+endif
+else
+HOST_GCC_COMMON_CONF_OPT += --enable-target-optspace
+endif
+
+# gcc 4.6.x quadmath requires wchar
+ifneq ($(BR2_TOOLCHAIN_BUILDROOT_WCHAR),y)
+HOST_GCC_COMMON_CONF_OPT += --disable-libquadmath
+endif
+
+ifeq ($(BR2_GCC_ENABLE_TLS),y)
+HOST_GCC_COMMON_CONF_OPT += --enable-tls
+else
+HOST_GCC_COMMON_CONF_OPT += --disable-tls
+endif
+
+ifeq ($(BR2_PTHREADS_NONE),y)
+HOST_GCC_COMMON_CONF_OPT += \
+	--disable-threads \
+	--disable-libitm \
+	--disable-libatomic
+else
+HOST_GCC_COMMON_CONF_OPT += --enable-threads
+endif
+
+ifeq ($(BR2_GCC_NEEDS_MPC),y)
+HOST_GCC_COMMON_DEPENDENCIES += host-mpc
+HOST_GCC_COMMON_CONF_OPT += --with-mpc=$(HOST_DIR)/usr
+endif
+
+ifeq ($(BR2_GCC_VERSION_4_4_7_ARC),y)
+HOST_GCC_COMMON_DEPENDENCIES += host-flex host-bison
+endif
+
+ifeq ($(BR2_SOFT_FLOAT),y)
+# only mips*-*-*, arm*-*-* and sparc*-*-* accept --with-float
+# powerpc seems to be needing it as well
+ifeq ($(BR2_arm)$(BR2_armeb)$(BR2_mips)$(BR2_mipsel)$(BR2_mips64)$(BR2_mips64el)$(BR2_powerpc)$(BR2_sparc),y)
+HOST_GCC_COMMON_CONF_OPT += --with-float=soft
+endif
+endif
+
+ifeq ($(BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE),y)
+HOST_GCC_COMMON_CONF_OPT += --disable-decimal-float
+endif
+
+# Determine arch/tune/abi/cpu options
+ifneq ($(call qstrip,$(BR2_GCC_TARGET_ARCH)),)
+HOST_GCC_COMMON_CONF_OPT += --with-arch=$(BR2_GCC_TARGET_ARCH)
+endif
+ifneq ($(call qstrip,$(BR2_GCC_TARGET_TUNE)),)
+HOST_GCC_COMMON_CONF_OPT += --with-tune=$(BR2_GCC_TARGET_TUNE)
+endif
+ifneq ($(call qstrip,$(BR2_GCC_TARGET_ABI)),)
+HOST_GCC_COMMON_CONF_OPT += --with-abi=$(BR2_GCC_TARGET_ABI)
+endif
+ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU)),)
+ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),)
+HOST_GCC_COMMON_CONF_OPT += --with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
+else
+HOST_GCC_COMMON_CONF_OPT += --with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU))
+endif
+endif
+
+# Branding works on >= 4.3
+ifneq ($(findstring x4.2.,x$(GCC_VERSION)),x4.2.)
+HOST_GCC_COMMON_CONF_OPT += \
+	--with-pkgversion="Buildroot $(BR2_VERSION_FULL)" \
+	--with-bugurl="http://bugs.buildroot.net/"
+endif
+
+# AVR32 GCC special configuration
+ifeq ($(BR2_avr32),y)
+HOST_GCC_COMMON_CONF_OPT += --disable-libmudflap
+endif
+
+# Disable mudflap and enable proper double/long double for SPE ABI
+ifeq ($(BR2_powerpc_SPE),y)
+HOST_GCC_COMMON_CONF_OPT += \
+	--disable-libmudflap \
+	--enable-e500_double \
+	--with-long-double-128
+endif
+
+include package/gcc/*/*.mk