Allow to specify kernel include dirs

It's sometimes convenient to use other kernel headers, now it's possible possible with new KERNEL_INCLUDE_DIRS build variable, like: $ cd <kernel-dir> $ make INSTALL_HDR_PATH=/tmp/headers headers_install $ cd <bcc-dir> $ cmake -DKERNEL_INCLUDE_DIRS=/tmp/headers/include/ ... Signed-off-by: Jiri Olsa <[email protected]>
yingtaojuzi · May 27, 2020 · 82abd2f · 82abd2f
1 parent 30d8975
commit 82abd2f
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -19,6 +19,14 @@ if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/src/cc/libbpf/src)
  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 endif()
 
+# It's possible to use other kernel headers with
+# KERNEL_INCLUDE_DIRS build variable, like:
+# $ cd <kernel-dir>
+# $ make INSTALL_HDR_PATH=/tmp/headers headers_install
+# $ cd <bcc-dir>
+# $ cmake -DKERNEL_INCLUDE_DIRS=/tmp/headers/include/ ...
+include_directories(${KERNEL_INCLUDE_DIRS})
+
 include(cmake/GetGitRevisionDescription.cmake)
 include(cmake/version.cmake)
 include(CMakeDependentOption)