| ################################################################################ |
| # |
| # linux-headers |
| # |
| ################################################################################ |
| |
| # This package is used to provide Linux kernel headers for the |
| # internal toolchain backend. |
| |
| LINUX_HEADERS_VERSION = $(call qstrip,$(BR2_DEFAULT_KERNEL_HEADERS)) |
| ifeq ($(findstring x2.6.,x$(LINUX_HEADERS_VERSION)),x2.6.) |
| LINUX_HEADERS_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/v2.6 |
| else ifeq ($(findstring x3.,x$(LINUX_HEADERS_VERSION)),x3.) |
| LINUX_HEADERS_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/v3.x |
| else ifeq ($(findstring x4.,x$(LINUX_HEADERS_VERSION)),x4.) |
| LINUX_HEADERS_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/v4.x |
| endif |
| LINUX_HEADERS_SOURCE = linux-$(LINUX_HEADERS_VERSION).tar.xz |
| |
| LINUX_HEADERS_INSTALL_STAGING = YES |
| |
| # linux-headers is part of the toolchain so disable the toolchain dependency |
| LINUX_HEADERS_ADD_TOOLCHAIN_DEPENDENCY = NO |
| |
| # For some architectures (eg. Arc, Cris, Hexagon, ia64, parisc, |
| # score and xtensa), the Linux buildsystem tries to call the |
| # cross-compiler, although it is not needed at all. |
| # This results in seemingly errors like: |
| # [...]/scripts/gcc-version.sh: line 26: arc-linux-uclibc-gcc: command not found |
| # Those can be safely ignored. |
| |
| # This step is required to have a separate linux headers location for |
| # uClibc building. This way uClibc doesn't modify linux headers on installation |
| # of "its" headers |
| define LINUX_HEADERS_CONFIGURE_CMDS |
| (cd $(@D); \ |
| $(TARGET_MAKE_ENV) $(MAKE) \ |
| ARCH=$(KERNEL_ARCH) \ |
| HOSTCC="$(HOSTCC)" \ |
| HOSTCFLAGS="$(HOSTCFLAGS)" \ |
| HOSTCXX="$(HOSTCXX)" \ |
| headers_install) |
| endef |
| |
| define LINUX_HEADERS_INSTALL_STAGING_CMDS |
| (cd $(@D); \ |
| $(TARGET_MAKE_ENV) $(MAKE) \ |
| ARCH=$(KERNEL_ARCH) \ |
| HOSTCC="$(HOSTCC)" \ |
| HOSTCFLAGS="$(HOSTCFLAGS)" \ |
| HOSTCXX="$(HOSTCXX)" \ |
| INSTALL_HDR_PATH=$(STAGING_DIR)/usr \ |
| headers_install) |
| endef |
| |
| ifeq ($(BR2_KERNEL_HEADERS_VERSION),y) |
| define LINUX_HEADERS_CHECK_VERSION |
| $(call check_kernel_headers_version,\ |
| $(STAGING_DIR),\ |
| $(call qstrip,$(BR2_TOOLCHAIN_HEADERS_AT_LEAST))) |
| endef |
| LINUX_HEADERS_POST_INSTALL_STAGING_HOOKS += LINUX_HEADERS_CHECK_VERSION |
| endif |
| |
| $(eval $(generic-package)) |