From 81f36fed7b71487d7f790c17b59d1db05b7cf88b Mon Sep 17 00:00:00 2001
From: thomasl <thomasl@eurecom.fr>
Date: Thu, 5 Mar 2015 17:24:43 +0000
Subject: [PATCH] Added cmake build modules generic function and nasmesh module
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6697 818b1a75-f10b-46b9-bf7c-635c3b92a50f
---
cmake_targets/CMakeLists.txt | 52 ++++++++++++++++++++++++++++++++++++
cmake_targets/Kbuild.cmake | 4 +++
2 files changed, 56 insertions(+)
create mode 100644 cmake_targets/Kbuild.cmake
diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index a4bedfbea2..91d906f081 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -1142,6 +1142,58 @@ target_link_libraries (${myExe}
)
endforeach(myExe)
+# Set compiler options for kernel modules
+# we need to get out cmake to use the regular Linux Kernel process
+# this is documented as https://www.kernel.org/doc/Documentation/kbuild/modules.txt
+######################################
+
+# Common to all modules
+########################
+get_directory_property( DirDefs COMPILE_DEFINITIONS )
+foreach( d ${DirDefs} )
+ if(NOT ${d} STREQUAL "USER_MODE")
+ set(module_compile_options "${module_compile_options} -D${d}")
+ endif()
+endforeach()
+get_directory_property( DirDefs INCLUDE_DIRECTORIES )
+foreach( d ${DirDefs} )
+ set(module_compile_options "${module_compile_options} -I${d}")
+endforeach()
+
+EXECUTE_PROCESS(COMMAND uname -r
+ OUTPUT_VARIABLE os_release
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+SET(module_build_path /lib/modules/${os_release}/build)
+message("Kernel build path = ${module_build_path}")
+
+function(make_driver name dir)
+ file(MAKE_DIRECTORY ${OPENAIR_BIN_DIR}/${name})
+ foreach(f IN ITEMS ${ARGN})
+ list(APPEND src_path_list ${dir}/${f})
+ string(REGEX REPLACE "c *$" "o" obj ${f})
+ set(objs "${objs} ${obj}")
+ endforeach()
+ CONFIGURE_FILE(${OPENAIR_CMAKE}/Kbuild.cmake ${OPENAIR_BIN_DIR}/${name}/Kbuild)
+ add_custom_command(OUTPUT ${name}.ko
+ COMMAND make -C ${module_build_path} M=${OPENAIR_BIN_DIR}/${name}
+ WORKING_DIRECTORY ${OPENAIR_BIN_DIR}/${name}
+ COMMENT "building ${module}.ko"
+ VERBATIM
+ SOURCES ${src_path_list}
+ )
+ add_custom_target(${name} DEPENDS ${name}.ko)
+endfunction(make_driver name dir src)
+
+# nashmesh module
+################
+list(APPEND nasmesh_src device.c common.c ioctl.c classifier.c tool.c mesh.c)
+set(module_compile_options "${module_compile_options} -DNAS_NETLINK")
+make_driver(nasmesh ${OPENAIR2_DIR}/NAS/DRIVER/MESH ${nasmesh_src})
+
+# Next module
+####################
+
+
# add the install targets
#install (TARGETS Tutorial DESTINATION bin)
#install (FILES "${PROJECT_BIN_DIR}/TutorialConfig.h" DESTINATION include)
diff --git a/cmake_targets/Kbuild.cmake b/cmake_targets/Kbuild.cmake
new file mode 100644
index 0000000000..6c3e228a1e
--- /dev/null
+++ b/cmake_targets/Kbuild.cmake
@@ -0,0 +1,4 @@
+src=${dir}
+obj-m += ${name}.o
+${name}-y := ${objs}
+ccflags-y += ${module_compile_options}
--
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