cmake_minimum_required(VERSION 2.6)

include(GNUInstallDirs)

find_package(PkgConfig REQUIRED)
pkg_check_modules(PCITOOL pcitool REQUIRED)

add_definitions("-std=c99")

message("-- checking for environment variable 'AMDAPPSDKROOT'")

if(DEFINED ENV{AMDAPPSDKROOT})
    message("--   found AMDAPPSDKROOT")
    set(HAVE_AMDAPPSDK "$ENV{AMDAPPSDKROOT}")
else()
    message("--   not found")
endif()

set(AMDAPPSDK_INCLUDE_DIRS "$ENV{AMDAPPSDKROOT}/include")
set(AMDAPPSDK_LIBRARY_DIRS "$ENV{AMDAPPSDKROOT}/lib/x86_64")

if (HAVE_AMDAPPSDK)
    include_directories(${AMDAPPSDK_INCLUDE_DIRS})
    link_directories(${AMDAPPSDK_LIBRARY_DIRS})
    add_executable(check check.c ocl.c)
    target_link_libraries(check ${PCITOOL_LIBRARIES} OpenCL)
    file(COPY kernel.cl DESTINATION ${CMAKE_BINARY_DIR})
endif ()

add_executable(ddrio ddrio.c)
target_link_libraries(ddrio ${PCITOOL_LIBRARIES})

install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/ddrio
        DESTINATION ${CMAKE_INSTALL_BINDIR})