Kbuild.common

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