fix: remove 'src/' from modules install path

[lttng-modules.git] / src / Kbuild.common

diff --git a/src/Kbuild.common b/src/Kbuild.common
new file mode 100644 (file)
index 0000000..f64cb09
--- /dev/null
+++ b/src/Kbuild.common
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
+
+ccflags-y += -DLTTNG_LINUX_MAJOR=$(VERSION)
+ccflags-y += -DLTTNG_LINUX_MINOR=$(PATCHLEVEL)
+ccflags-y += -DLTTNG_LINUX_PATCH=$(SUBLEVEL)
+
+# Work-around for distro-specific public modules ABI breakages.
+# Some distributions break the public module instrumentation ABI
+# compared to upstream stable kernels without providing other mean than
+# the kernel EXTRAVERSION to figure it out. Translate this information
+# into a define visible from the C preprocessor.
+
+DEB_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-debian-version.sh $(CURDIR))
+
+ifneq ($(DEB_API_VERSION), 0)
+  ccflags-y += -DDEBIAN_API_VERSION=$(DEB_API_VERSION)
+endif
+
+RHEL_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-rhel-version.sh $(CURDIR))
+
+ifneq ($(RHEL_API_VERSION), 0)
+  ccflags-y += -DRHEL_API_VERSION=$(RHEL_API_VERSION)
+endif
+
+SLE_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-sle-version.sh $(CURDIR))
+
+ifneq ($(SLE_API_VERSION), 0)
+  ccflags-y += -DSLE_API_VERSION=$(SLE_API_VERSION)
+endif
+
+FEDORA_REVISION_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/abi-fedora-version.sh $(CURDIR))
+
+ifneq ($(FEDORA_REVISION_VERSION), 0)
+  ccflags-y += -DFEDORA_REVISION_VERSION=$(FEDORA_REVISION_VERSION)
+endif
+
+RT_PATCH_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/rt-patch-version.sh $(CURDIR))
+
+ifneq ($(RT_PATCH_VERSION), 0)
+  ccflags-y += -DRT_PATCH_VERSION=$(RT_PATCH_VERSION)
+endif
+
+EXTRA_VERSION_NAME:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/extra-version-name.sh $(TOP_LTTNG_MODULES_DIR))
+
+ifneq ($(EXTRA_VERSION_NAME), 0)
+  ccflags-y += -DLTTNG_EXTRA_VERSION_NAME='"$(EXTRA_VERSION_NAME)"'
+endif
+
+EXTRA_VERSION_GIT:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/extra-version-git.sh $(TOP_LTTNG_MODULES_DIR))
+
+ifneq ($(EXTRA_VERSION_GIT), 0)
+  ccflags-y += -DLTTNG_EXTRA_VERSION_GIT='"$(EXTRA_VERSION_GIT)"'
+endif
+
+EXTRA_VERSION_PATCHES:=$(shell $(TOP_LTTNG_MODULES_DIR)/scripts/extra-version-patches.sh $(TOP_LTTNG_MODULES_DIR))
+
+mnt_ns_dep = $(srctree)/fs/mount.h
+ifeq ($(wildcard $(mnt_ns_dep)),)
+    ccflags-y += -DLTTNG_MNT_NS_MISSING_HEADER
+endif
+
+# vim:syntax=make