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- ##################################################
- # Linux RTAI extensions
- #
- # Patch the linux kernel with RTAI extension
- ##################################################
- ifeq ($(BR2_LINUX_KERNEL_EXT_RTAI),y)
- # Add dependency to RTAI (user-space) which provide kernel patches
- LINUX_DEPENDENCIES += rtai-patch
- RTAI_PATCH = $(call qstrip,$(BR2_LINUX_KERNEL_EXT_RTAI_PATCH))
- ifeq ($(KERNEL_ARCH),i386)
- RTAI_ARCH = x86
- else ifeq ($(KERNEL_ARCH),x86_64)
- RTAI_ARCH = x86
- else ifeq ($(KERNEL_ARCH),powerpc)
- RTAI_ARCH = ppc
- else
- RTAI_ARCH = $(KERNEL_ARCH)
- endif
- # Prepare kernel patch
- ifeq ($(RTAI_PATCH),)
- define RTAI_PREPARE_KERNEL
- kver=`$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) --no-print-directory -s kernelversion` ; \
- if test -f $(RTAI_DIR)/base/arch/$(RTAI_ARCH)/patches/hal-linux-$${kver}-*patch ; then \
- support/scripts/apply-patches.sh $(LINUX_DIR) \
- $(RTAI_DIR)/base/arch/$(RTAI_ARCH)/patches/ \
- hal-linux-$${kver}-*patch ; \
- else \
- echo "No RTAI patch for your kernel version" ; \
- exit 1 ; \
- fi
- endef
- else
- define RTAI_PREPARE_KERNEL
- support/scripts/apply-patches.sh \
- $(LINUX_DIR) \
- $(dir $(RTAI_PATCH)) \
- $(notdir $(RTAI_PATCH))
- endef
- endif
- LINUX_PRE_PATCH_HOOKS += RTAI_PREPARE_KERNEL
- endif #BR2_LINUX_EXT_RTAI
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