diff options
Diffstat (limited to 'package/linux-backports/linux-backports.mk')
| -rw-r--r-- | package/linux-backports/linux-backports.mk | 42 |
1 files changed, 30 insertions, 12 deletions
diff --git a/package/linux-backports/linux-backports.mk b/package/linux-backports/linux-backports.mk index 1d7d6e7f00..068dcffcc8 100644 --- a/package/linux-backports/linux-backports.mk +++ b/package/linux-backports/linux-backports.mk @@ -4,12 +4,23 @@ # ################################################################################ -LINUX_BACKPORTS_VERSION_MAJOR = 4.4.2 +LINUX_BACKPORTS_VERSION_MAJOR = 5.8 LINUX_BACKPORTS_VERSION = $(LINUX_BACKPORTS_VERSION_MAJOR)-1 LINUX_BACKPORTS_SOURCE = backports-$(LINUX_BACKPORTS_VERSION).tar.xz LINUX_BACKPORTS_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/projects/backports/stable/v$(LINUX_BACKPORTS_VERSION_MAJOR) LINUX_BACKPORTS_LICENSE = GPL-2.0 -LINUX_BACKPORTS_LICENSE_FILES = COPYING +LINUX_BACKPORTS_LICENSE_FILES = \ + COPYING \ + LICENSES/exceptions/Linux-syscall-note \ + LICENSES/preferred/GPL-2.0 + +# flex and bison are needed to generate kconfig parser. We use the +# same logic as the linux kernel (we add host dependencies only if +# host does not have them). See linux/linux.mk and +# support/dependencies/check-host-bison-flex.mk. +LINUX_BACKPORTS_DEPENDENCIES = \ + $(BR2_BISON_HOST_DEPENDENCY) \ + $(BR2_FLEX_HOST_DEPENDENCY) ifeq ($(BR2_PACKAGE_LINUX_BACKPORTS_USE_DEFCONFIG),y) LINUX_BACKPORTS_KCONFIG_FILE = $(LINUX_BACKPORTS_DIR)/defconfigs/$(call qstrip,$(BR2_PACKAGE_LINUX_BACKPORTS_DEFCONFIG)) @@ -33,6 +44,8 @@ LINUX_BACKPORTS_KCONFIG_OPTS = $(LINUX_BACKPORTS_MAKE_OPTS) # LINUX_BACKPORTS_MODULE_MAKE_OPTS is used by the kernel-module infra. # LINUX_BACKPORTS_MAKE_OPTS = \ + LEX=flex \ + YACC=bison \ BACKPORT_DIR=$(@D) \ KLIB_BUILD=$(LINUX_DIR) \ KLIB=$(TARGET_DIR)/lib/modules/$(LINUX_VERSION_PROBED) \ @@ -75,25 +88,30 @@ $(eval $(kconfig-package)) # not have been parsed yet, so the Linux build dir LINUX_DIR is not yet # known. Thus, we use a "secondary expansion" so the rule is re-evaluated # after all Makefiles are parsed, and thus at that time we will have the -# LINUX_DIR variable set to the proper value. +# LINUX_DIR variable set to the proper value. Moreover, since linux-4.19, +# the kernel's build system internally touches its .config file, so we +# can't use it as a stamp file. We use the LINUX_KCONFIG_STAMP_DOTCONFIG +# instead. # # Furthermore, we want to check the kernel version, since linux-backports -# only supports kernels >= 3.0. To avoid overriding linux-backports' -# .config rule defined in the kconfig-package infra, we use an -# intermediate stamp-file. +# only supports kernels >= 3.10. To avoid overriding linux-backports' +# KCONFIG_STAMP_DOTCONFIG rule defined in the kconfig-package infra, we +# use an intermediate stamp-file. # # Finally, it must also come after the call to kconfig-package, so we get # LINUX_BACKPORTS_DIR properly defined (because the target part of the # rule is not re-evaluated). # -$(LINUX_BACKPORTS_DIR)/.config: $(LINUX_BACKPORTS_DIR)/.stamp_check_kernel_version +$(LINUX_BACKPORTS_DIR)/$(LINUX_BACKPORTS_KCONFIG_STAMP_DOTCONFIG): $(LINUX_BACKPORTS_DIR)/.stamp_check_kernel_version .SECONDEXPANSION: -$(LINUX_BACKPORTS_DIR)/.stamp_check_kernel_version: $$(LINUX_DIR)/.config - $(Q)LINUX_VERSION_PROBED=$(LINUX_VERSION_PROBED); \ - if [ $${LINUX_VERSION_PROBED%%.*} -lt 3 ]; then \ - printf "Linux version '%s' is too old for linux-backports (needs 3.0 or later)\n" \ - "$${LINUX_VERSION_PROBED}"; \ +$(LINUX_BACKPORTS_DIR)/.stamp_check_kernel_version: $$(LINUX_DIR)/$$(LINUX_KCONFIG_STAMP_DOTCONFIG) + $(Q)KVER=$(LINUX_VERSION_PROBED); \ + KVER_MAJOR=`echo $${KVER} | sed 's/^\([0-9]*\)\..*/\1/'`; \ + KVER_MINOR=`echo $${KVER} | sed 's/^[0-9]*\.\([0-9]*\).*/\1/'`; \ + if [ $${KVER_MAJOR} -lt 3 -o \( $${KVER_MAJOR} -eq 3 -a $${KVER_MINOR} -lt 10 \) ]; then \ + printf "Linux version '%s' is too old for linux-backports (needs 3.10 or later)\n" \ + "$${KVER}"; \ exit 1; \ fi $(Q)touch $(@) |