CMakeLists.txt

cmake_minimum_required(VERSION 3.9)
project(vamos-sources LANGUAGES C VERSION 0.1)

set(CMAKE_VERBOSE_MAKEFILE 1)
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS OFF)

find_package(vamos-buffers REQUIRED)
get_filename_component(vamos-buffers_DIR ${vamos-buffers_DIR} ABSOLUTE)

if (NOT DEFINED ${vamos-common_DIR})
	message(STATUS "vamos-common_DIR not set, assuming vamos-common is "
		       "in the same directory as vamos-buffers."
		       "If not true, set -Dvamos-common_DIR= ")
	string(REPLACE buffers common vamos-common_DIR ${vamos-buffers_DIR})
endif()

message(STATUS "vamos-common_DIR=${vamos-common_DIR}")
find_package(vamos-common REQUIRED)


if(NOT CMAKE_BUILD_TYPE)
	message(STATUS "Build type not set. Setting buffer's build type.")
	set(CMAKE_BUILD_TYPE ${vamos-buffers_BUILD_TYPE} CACHE STRING "" FORCE)
endif()

if (vamos-buffers_OPTION_ENABLE_IPO)
        set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
endif()

include_directories(${vamos_buffers_INCLUDE_DIRS})

OPTION(DYNAMORIO_SOURCES "Build sources based on DynamoRIO" ON)
OPTION(BUILD_DYNAMORIO "Build DynamoRIO from sources" OFF)
OPTION(BUILD_DYNAMORIO_IF_MISSING "Build DynamoRIO from sources if it is not present" OFF)

OPTION(BPF_SOURCES "Build and use eBPF sources" OFF)
OPTION(LLVM_SOURCES "Build and use LLVM sources" ON)
OPTION(LIBINPUT_SOURCES "Build libinput sources" ON)
OPTION(WLDBG_SOURCES "Build wldbg pass" ON)

if (BPF_SOURCES)
	ExternalProject_Add(bcc
			    GIT_REPOSITORY https://github.com/mchalupa/bcc
			    SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/bcc
                            GIT_TAG readwrite
			    INSTALL_COMMAND ""
			    BUILD_IN_SOURCE 1)

	add_compile_definitions(BPF_SOURCES)
endif()

if (DYNAMORIO_SOURCES)
		get_filename_component(DRIO_ABSPATH "ext/dynamorio/build/cmake" ABSOLUTE)
		find_package(DynamoRIO QUIET PATHS DRIO_ABSPATH)
       		if (NOT DynamoRIO_FOUND)
       		        message(FATAL_ERROR
				"DynamoRIO package required to build DynamoRIO sources. "
				"If you have DynamoRIO built, use DynamoRIO_DIR=<path> to point to the cmake config. "
				"If you want to build DynamoRIO, you can use the following command:\n"
				"make -C ext dynamorio CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}\n"
				"If cmake cannot find dynamorio then, try configuring  with -DDynamoRIO_DIR=ext/dynamorio/build/cmake".
				" You can disable building DynamoRIO sources with -DDYNAMORIO_SOURCES=OFF")
       		endif()

endif()


add_subdirectory(src)

get_target_property(vamos-buffers_vamos-buffers-lib vamos-buffers-lib LOCATION)
get_target_property(vamos-buffers_vamos-buffers-ringbuf vamos-buffers-ringbuf LOCATION)
get_target_property(vamos-buffers_vamos-buffers-shmbuf vamos-buffers-shmbuf LOCATION)
get_target_property(vamos-buffers_vamos-buffers-streams vamos-buffers-streams LOCATION)
get_filename_component(vamos-buffers_LIBRARIES_DIRS_lib ${vamos-buffers_vamos-buffers-lib} DIRECTORY)
get_filename_component(vamos-buffers_LIBRARIES_DIRS_core ${vamos-buffers_vamos-buffers-ringbuf} DIRECTORY)
get_filename_component(vamos-buffers_LIBRARIES_DIRS_shmbuf ${vamos-buffers_vamos-buffers-shmbuf} DIRECTORY)
get_filename_component(vamos-buffers_LIBRARIES_DIRS_streams ${vamos-buffers_vamos-buffers-streams} DIRECTORY)

get_filename_component(vamos-common_DIR ${vamos-common_DIR} ABSOLUTE)

configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.py.in
	       ${CMAKE_CURRENT_SOURCE_DIR}/config.py)

enable_testing()
add_subdirectory(tests)

#install(EXPORT vamos-sources_Export
#        FILE vamos-sources.cmake
#        DESTINATION lib/cmake/vamos-sources.cmake)
#export(EXPORT vamos-sources_Export FILE ${CMAKE_CURRENT_BINARY_DIR}/cmake/vamos-sources/vamos-sources.cmake)

include(CMakePackageConfigHelpers)

configure_package_config_file(
  "${CMAKE_CURRENT_SOURCE_DIR}/cmake/vamos-sources/vamos-sources-config.cmake.in"
  "${CMAKE_CURRENT_BINARY_DIR}/cmake/vamos-sources/vamos-sources-config.cmake"
  INSTALL_DESTINATION "lib/cmake/vamos-sources"
  NO_SET_AND_CHECK_MACRO
  NO_CHECK_REQUIRED_COMPONENTS_MACRO
  )

write_basic_package_version_file(
    "vamos-sources-version.cmake"
    VERSION ${vamos-sources_VERSION}
    COMPATIBILITY AnyNewerVersion)

install(FILES
  "${CMAKE_CURRENT_BINARY_DIR}/cmake/vamos-sources/vamos-sources-config.cmake"
  "${CMAKE_CURRENT_BINARY_DIR}/cmake/vamos-sources/vamos-sources-version.cmake"
  DESTINATION lib/cmake/vamos-sources)