src/Kbuild.common

   1 # SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
   2 # SPDX-FileCopyrightText: 2015-2024 EfficiOS Inc.
   3
   4 ccflags-y += -DLTTNG_LINUX_MAJOR=$(VERSION)
   5 ccflags-y += -DLTTNG_LINUX_MINOR=$(PATCHLEVEL)
   6 ccflags-y += -DLTTNG_LINUX_PATCH=$(SUBLEVEL)
   7
   8 # Work-around for distro-specific public modules ABI breakages.
   9 # Some distributions break the public module instrumentation ABI
  10 # compared to upstream stable kernels without providing other mean than
  11 # the kernel EXTRAVERSION to figure it out. Translate this information
  12 # into a define visible from the C preprocessor.
  13
  14 DEB_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-debian-version.sh $(CURDIR))
  15
  16 ifneq ($(DEB_API_VERSION), 0)
  17   ccflags-y += -DDEBIAN_API_VERSION=$(DEB_API_VERSION)
  18 endif
  19
  20 RHEL_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-rhel-version.sh $(CURDIR))
  21
  22 ifneq ($(RHEL_API_VERSION), 0)
  23   ccflags-y += -DRHEL_API_VERSION=$(RHEL_API_VERSION)
  24 endif
  25
  26 SLE_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-sle-version.sh $(CURDIR))
  27
  28 ifneq ($(SLE_API_VERSION), 0)
  29   ccflags-y += -DSLE_API_VERSION_MAJOR=$(word 1, $(SLE_API_VERSION))
  30   ccflags-y += -DSLE_API_VERSION_MINOR=$(word 2, $(SLE_API_VERSION))
  31   ccflags-y += -DSLE_API_VERSION_PATCH=$(word 3, $(SLE_API_VERSION))
  32 endif
  33
  34 FEDORA_REVISION_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-fedora-version.sh $(CURDIR))
  35
  36 ifneq ($(FEDORA_REVISION_VERSION), 0)
  37   ccflags-y += -DFEDORA_REVISION_VERSION=$(FEDORA_REVISION_VERSION)
  38 endif
  39
  40 RT_PATCH_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/rt-patch-version.sh $(CURDIR))
  41
  42 ifneq ($(RT_PATCH_VERSION), 0)
  43   ccflags-y += -DRT_PATCH_VERSION=$(RT_PATCH_VERSION)
  44 endif
  45
  46 EXTRA_VERSION_NAME:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/extra-version-name.sh $(TOP_LTTNG_MODULES_DIR))
  47
  48 ifneq ($(EXTRA_VERSION_NAME), 0)
  49   ccflags-y += -DLTTNG_EXTRA_VERSION_NAME='"$(EXTRA_VERSION_NAME)"'
  50 endif
  51
  52 EXTRA_VERSION_GIT:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/extra-version-git.sh $(TOP_LTTNG_MODULES_DIR))
  53
  54 ifneq ($(EXTRA_VERSION_GIT), 0)
  55   ccflags-y += -DLTTNG_EXTRA_VERSION_GIT='"$(EXTRA_VERSION_GIT)"'
  56 endif
  57
  58 EXTRA_VERSION_PATCHES:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/extra-version-patches.sh $(TOP_LTTNG_MODULES_DIR))
  59
  60 mnt_ns_dep = $(srctree)/fs/mount.h
  61 ifeq ($(wildcard $(mnt_ns_dep)),)
  62     ccflags-y += -DLTTNG_MNT_NS_MISSING_HEADER
  63 endif
  64
  65 # vim:syntax=make