infra/pkg-kconfig: require an non-empty KCONFIG_FILE
[buildroot-gz.git] / linux / linux-ext-rtai.mk
blob0cc1232b965dfc5a51258113f6feb17458dd4832
1 ################################################################################
2 # Linux RTAI extensions
4 # Patch the linux kernel with RTAI extension
5 ################################################################################
7 LINUX_EXTENSIONS += rtai
9 ifeq ($(KERNEL_ARCH),i386)
10 RTAI_ARCH = x86
11 else ifeq ($(KERNEL_ARCH),x86_64)
12 RTAI_ARCH = x86
13 else ifeq ($(KERNEL_ARCH),powerpc)
14 RTAI_ARCH = ppc
15 else
16 RTAI_ARCH = $(KERNEL_ARCH)
17 endif
19 # Prepare kernel patch
20 define RTAI_PREPARE_KERNEL
21 kver=`$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) --no-print-directory -s kernelversion` ; \
22 if test -f $(RTAI_DIR)/base/arch/$(RTAI_ARCH)/patches/hal-linux-$${kver}-*patch ; then \
23 $(APPLY_PATCHES) $(LINUX_DIR) \
24 $(RTAI_DIR)/base/arch/$(RTAI_ARCH)/patches/ \
25 hal-linux-$${kver}-*patch ; \
26 else \
27 echo "No RTAI patch for your kernel version" ; \
28 exit 1 ; \
30 endef