#
# Minimum version of cmake required
#
cmake_minimum_required(VERSION 2.8.0)

#
#   Required Defines on cmake command line
#
#   1) Set location of AMDSMI header files
#
#      ROCM_DIR="Root for ROCM install"
#
#   2) Set AMDSMITST_BLD_TYPE to either "Debug" or "Release".
#      If not set, the default value is "Debug" is bound.
#
#      AMDSMITST_BLD_TYPE=Debug or AMDSMITST_BLD_TYPE=Release
#
#   3) Set AMDSMITST_BLD_BITS to either "32" or "64"
#      If not set, the default value of "64" is bound.
#
#       AMDSMITST_BLD_BITS=32 or AMDSMITST_BLD_BITS=64
#
#   Building rocrtst Suite
#
#
#   1) Create build folder e.g. "rocrtst/build" - any name will do
#   2) Cd into build folder
#   3) Run "cmake .."
#   4) Run "make"
#

#
# Currently support for Windows platform is not present
#

#############################
# COMMON AREA
#############################
if(WIN32)
  message("amdsmi library test suite is not supported on Windows platform")
  return()
endif()

#
# Process input variables
#

# Required Defines first:

if(NOT DEFINED AMDSMI_INC_DIR)
  set(AMDSMI_INC_DIR ${ROCM_DIR}/include)
endif()

if(NOT DEFINED AMDSMI_LIB_DIR)
  set(AMDSMI_LIB_DIR ${ROCM_DIR}/lib)
endif()
#
# Determine AMDSMI Header files are present
#  (no external source dependencies)

# Determine AMDSMI Library file is present
#
if("${AMDSMITST_BLD_BITS}" STREQUAL 32)
  set (ONLY64STR "")
  set (IS64BIT 0)
else()
  set (ONLY64STR "64")
  set (IS64BIT 1)
endif()
#
if (${IS64BIT} EQUAL 0)
  if(NOT EXISTS ${AMDSMI_LIB_DIR}/libamd_smi32.so)
    message("ERROR: ${AMDSMI_LIB_DIR}/libamd_smi32.so doesn't exist. Check value of ROCM_DIR define")
    return()
  endif()
else()
  if(NOT EXISTS ${AMDSMI_LIB_DIR}/libamd_smi64.so)
    message("ERROR: Define AMDSMI_LIB_DIR pointing to AMDSMI library is not set")
    message(" missing: ${AMDSMI_LIB_DIR}/libamd_smi64.so")
    return()
  endif()
endif()

string(TOLOWER "${AMDSMITST_BLD_TYPE}" tmp)
if("${tmp}" STREQUAL release)
  set(BUILD_TYPE "Release")
  set(ISDEBUG 0)
else()
  set(BUILD_TYPE "Debug")
  set(ISDEBUG 1)
endif()

#
# Print out the build configuration being used:
#
#   Build Src directory
#   Build Binary directory
#   Build Type: Debug Vs Release, 32 Vs 64
#   Compiler Version, etc
#
message("")
message("Build Configuration:")
message("-------------IS64BIT: " ${IS64BIT})
message("-----------BuildType: " ${BUILD_TYPE})
message("------------Compiler: " ${CMAKE_CXX_COMPILER})
message("-------------Version: " ${CMAKE_CXX_COMPILER_VERSION})
message("--------Proj Src Dir: " ${PROJECT_SOURCE_DIR})
message("--------Proj Bld Dir: " ${PROJECT_BINARY_DIR})
message("--------Proj Lib Dir: " ${PROJECT_BINARY_DIR}/lib)
message("--------Proj Exe Dir: " ${PROJECT_BINARY_DIR}/bin)
message("--------AMDSMI Lib Dir: " ${AMDSMI_LIB_DIR})
message("")

#
# Set the build type based on user input
#
set(CMAKE_BUILD_TYPE ${BUILD_TYPE})
#
# Flag to enable / disable verbose output.
#
set(CMAKE_VERBOSE_MAKEFILE on)
#
# Compiler pre-processor definitions.
#
# Define MACRO "DEBUG" if build type is "Debug"
if(${BUILD_TYPE} STREQUAL "Debug")
add_definitions(-DDEBUG)
endif()

add_definitions(-D__linux__)
add_definitions(-DLITTLEENDIAN_CPU=1)

#
# Linux Compiler options
#
set(CMAKE_CXX_FLAGS "-std=c++11 ")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-math-errno")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-threadsafe-statics")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fmerge-all-constants")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fms-extensions")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")
# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic")

## Address Sanitize Flag
if (${ADDRESS_SANITIZER})
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -g")
    set(CMAKE_EXE_LINKER_FLAGS -fsanitize=address)

    if (BUILD_SHARED_LIBS})
        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -shared-libsan" )
    else ()
        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libsan" )
    endif ()
endif()


#
# Extend the compiler flags for 64-bit builds
#
if (IS64BIT)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m64  -msse -msse2")
else()
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
endif()

#
# Add compiler flags to include symbol information for debug builds
#
if(ISDEBUG)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ggdb -O0")
endif()
MESSAGE("ISDEBUG STEP:Done")


set(AMDSMITST_ROOT ${CMAKE_CURRENT_SOURCE_DIR})

# Set Name for Google Test Framework and build it as a
# static library to be linked with user test programs
#
set(GOOGLE_TEST_FRWK_NAME "gtest")
add_subdirectory(${AMDSMITST_ROOT}/../rocm_smi_test/gtest "${PROJECT_BINARY_DIR}/gtest")
set (AMDSMITST_LIBS ${AMDSMITST_LIBS} ${GOOGLE_TEST_FRWK_NAME})

#
#
# Other source directories
aux_source_directory(${AMDSMITST_ROOT}/functional functionalSources)

#
# Specify the directory containing various libraries of ROCR
# to be linked against for building ROC Perf applications
#
LINK_DIRECTORIES(${AMDSMI_LIB_DIR} ${GTEST_LIB_DIR})

#
# Extend the list of libraries to be used for linking amdsmi apps
#
if (IS64BIT)
  set(AMDSMITST_LIBS ${AMDSMITST_LIBS} amd_smi64)
  set(AMDSMITST "amdsmitst64")
else()
  set(AMDSMITST_LIBS ${AMDSMITST_LIBS} amd_smi32)
  set(AMDSMITST "amdsmitst")
endif()


#
# Source files for building rocrtst
#
aux_source_directory(${AMDSMITST_ROOT} amdsmitstSources)

# Header file include path

include_directories(${AMDSMI_INC_DIR})
include_directories(${AMDSMITST_ROOT}/..)
include_directories(${AMDSMITST_ROOT}/../../amd_smi/include)
include_directories(${AMDSMITST_ROOT}/../../include)
include_directories(${AMDSMITST_ROOT}/gtest/include)

# Build rules
message("--------AMDSMITST: " ${AMDSMITST} )
message("--------amdsmitstSources: " ${amdsmitstSources} )
message("--------functionalSources: " ${functionalSources} )
add_executable(${AMDSMITST} ${amdsmitstSources} ${functionalSources})

target_link_libraries(${AMDSMITST} ${AMDSMITST_LIBS} c stdc++ pthread)

install(TARGETS ${AMDSMITST}
        ARCHIVE DESTINATION ${PROJECT_BINARY_DIR}/lib
        LIBRARY DESTINATION ${PROJECT_BINARY_DIR}/lib
        RUNTIME DESTINATION ${PROJECT_BINARY_DIR}/bin)

