Commit | Line | Data |
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72e6c528 MD |
1 | # Work-around for distro-specific public modules ABI breakages. |
2 | # Some distributions break the public module instrumentation ABI | |
3 | # compared to upstream stable kernels without providing other mean than | |
4 | # the kernel EXTRAVERSION to figure it out. Translate this information | |
5 | # into a define visible from the C preprocessor. | |
6 | ||
b933d85e | 7 | DEB_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/abi-debian-version.sh $(CURDIR)) |
72e6c528 MD |
8 | |
9 | ifneq ($(DEB_API_VERSION), 0) | |
a8907e9a | 10 | ccflags-y += -DDEBIAN_API_VERSION=$(DEB_API_VERSION) |
72e6c528 | 11 | endif |
b4c8e4d3 | 12 | |
c94ac1ac MJ |
13 | RHEL_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/abi-rhel-version.sh $(CURDIR)) |
14 | ||
15 | ifneq ($(RHEL_API_VERSION), 0) | |
16 | ccflags-y += -DRHEL_API_VERSION=$(RHEL_API_VERSION) | |
17 | endif | |
18 | ||
c81f4d15 MJ |
19 | SLE_API_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/abi-sle-version.sh $(CURDIR)) |
20 | ||
21 | ifneq ($(SLE_API_VERSION), 0) | |
22 | ccflags-y += -DSLE_API_VERSION=$(SLE_API_VERSION) | |
23 | endif | |
24 | ||
b933d85e | 25 | RT_PATCH_VERSION:=$(shell $(TOP_LTTNG_MODULES_DIR)/rt-patch-version.sh $(CURDIR)) |
b4c8e4d3 MJ |
26 | |
27 | ifneq ($(RT_PATCH_VERSION), 0) | |
28 | ccflags-y += -DRT_PATCH_VERSION=$(RT_PATCH_VERSION) | |
29 | endif | |
fea65d0c MJ |
30 | |
31 | # Starting with kernel 4.12, the ftrace header was moved to private headers | |
32 | # and as such is not available when building against distro headers instead | |
33 | # of the full kernel sources. In the situation, define LTTNG_FTRACE_MISSING_HEADER | |
34 | # so we can enable the compat code even if CONFIG_DYNAMIC_FTRACE is enabled. | |
35 | ifneq ($(CONFIG_DYNAMIC_FTRACE),) | |
36 | ftrace_dep = $(srctree)/kernel/trace/trace.h | |
37 | ftrace_dep_check = $(wildcard $(ftrace_dep)) | |
38 | have_ftrace_header = $(shell \ | |
39 | if [ $(VERSION) -ge 5 -o \( $(VERSION) -eq 4 -a $(PATCHLEVEL) -ge 12 \) ] ; then \ | |
40 | if [ -z "$(ftrace_dep_check)" ] ; then \ | |
41 | echo "no" ; \ | |
42 | exit ; \ | |
43 | fi; \ | |
44 | fi; \ | |
45 | echo "yes" ; \ | |
46 | ) | |
47 | ifeq ($(have_ftrace_header), no) | |
48 | ccflags-y += -DLTTNG_FTRACE_MISSING_HEADER | |
49 | endif | |
50 | endif |