Kbuild.common

   1 # SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
   2
   3 ccflags-y += -DLTTNG_LINUX_MAJOR=$(VERSION)
   4 ccflags-y += -DLTTNG_LINUX_MINOR=$(PATCHLEVEL)
   5 ccflags-y += -DLTTNG_LINUX_PATCH=$(SUBLEVEL)
   6
   7 # Work-around for distro-specific public modules ABI breakages.
   8 # Some distributions break the public module instrumentation ABI
   9 # compared to upstream stable kernels without providing other mean than
  10 # the kernel EXTRAVERSION to figure it out. Translate this information
  11 # into a define visible from the C preprocessor.
  12
  13 DEB_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-debian-version.sh $(CURDIR))
  14
  15 ifneq ($(DEB_API_VERSION), 0)
  16   ccflags-y += -DDEBIAN_API_VERSION=$(DEB_API_VERSION)
  17 endif
  18
  19 RHEL_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-rhel-version.sh $(CURDIR))
  20
  21 ifneq ($(RHEL_API_VERSION), 0)
  22   ccflags-y += -DRHEL_API_VERSION=$(RHEL_API_VERSION)
  23 endif
  24
  25 SLE_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-sle-version.sh $(CURDIR))
  26
  27 ifneq ($(SLE_API_VERSION), 0)
  28   ccflags-y += -DSLE_API_VERSION=$(SLE_API_VERSION)
  29 endif
  30
  31 FEDORA_REVISION_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-fedora-version.sh $(CURDIR))
  32
  33 ifneq ($(FEDORA_REVISION_VERSION), 0)
  34   ccflags-y += -DFEDORA_REVISION_VERSION=$(FEDORA_REVISION_VERSION)
  35 endif
  36
  37 RT_PATCH_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/rt-patch-version.sh $(CURDIR))
  38
  39 ifneq ($(RT_PATCH_VERSION), 0)
  40   ccflags-y += -DRT_PATCH_VERSION=$(RT_PATCH_VERSION)
  41 endif
  42
  43 EXTRA_VERSION_NAME:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/extra-version-name.sh $(TOP_LTTNG_MODULES_DIR))
  44
  45 ifneq ($(EXTRA_VERSION_NAME), 0)
  46   ccflags-y += -DLTTNG_EXTRA_VERSION_NAME='"$(EXTRA_VERSION_NAME)"'
  47 endif
  48
  49 EXTRA_VERSION_GIT:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/extra-version-git.sh $(TOP_LTTNG_MODULES_DIR))
  50
  51 ifneq ($(EXTRA_VERSION_GIT), 0)
  52   ccflags-y += -DLTTNG_EXTRA_VERSION_GIT='"$(EXTRA_VERSION_GIT)"'
  53 endif
  54
  55 EXTRA_VERSION_PATCHES:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/extra-version-patches.sh $(TOP_LTTNG_MODULES_DIR))
  56
  57 mnt_ns_dep = $(srctree)/fs/mount.h
  58 ifeq ($(wildcard $(mnt_ns_dep)),)
  59     ccflags-y += -DLTTNG_MNT_NS_MISSING_HEADER
  60 endif
  61
  62 # vim:syntax=make