CMAKE_MINIMUM_REQUIRED(VERSION 2.8)

# Add path for custom modules
SET(CMAKE_MODULE_PATH
  ${CMAKE_MODULE_PATH}
  "${CMAKE_CURRENT_SOURCE_DIR}/../cmake/modules"
)

# this one is important
SET(CMAKE_SYSTEM_NAME newlib)

# eCos doesn't support shared libs
SET_PROPERTY(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)

# cd /home/user/Downloads/pruefungen/systemC/Imperas.20131018/
# source ./setup.sh
# setupImperas ~/Downloads/pruefungen/systemC/Imperas.20131018/

# SET(_CMAKE_TOOLCHAIN_PREFIX "/home/user/Downloads/pruefungen/systemC/Imperas.20131018/lib/Linux64/CrossCompiler/or32-elf/bin/or32-elf-")
SET(_CMAKE_TOOLCHAIN_PREFIX "or32-elf-")
SET(CMAKE_C_COMPILER ${_CMAKE_TOOLCHAIN_PREFIX}gcc)
SET(CMAKE_CXX_COMPILER ${_CMAKE_TOOLCHAIN_PREFIX}g++)

#INCLUDE(CMakeForceCompiler)
#
## specify the cross compiler
#CMAKE_FORCE_C_COMPILER(or32-elf-gcc GNU)
#CMAKE_FORCE_CXX_COMPILER(or32-elf-g++ GNU)

SET(CMAKE_ASM_COMPILER ${_CMAKE_TOOLCHAIN_PREFIX}gcc)
SET(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> -c <FLAGS> -o <OBJECT> <SOURCE>")
ENABLE_LANGUAGE(ASM)

# # special link commands for newlib executables
# SET(CMAKE_CXX_LINK_EXECUTABLE  "<CMAKE_CXX_COMPILER> -mbaremetal <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
# SET(CMAKE_C_LINK_EXECUTABLE    "<CMAKE_C_COMPILER>   -mbaremetal <FLAGS> <CMAKE_C_LINK_FLAGS>   <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")

# search for programs in the build host directories
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# for libraries and headers in the target directories
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

PROJECT (sw)

# This stuff must be after PROJECT
SET(CMAKE_STATIC_LIBRARY_PREFIX "lib")
SET(CMAKE_STATIC_LIBRARY_SUFFIX ".a")
SET(CMAKE_EXECUTABLE_SUFFIX ".elf")
SET(CMAKE_FIND_LIBRARY_PREFIXES "lib")
SET(CMAKE_FIND_LIBRARY_SUFFIXES ".a")

IF(NOT CMAKE_FLAGS_RELEASE)
  SET(CMAKE_FLAGS_RELEASE "-O2 -DNDEBUG")
ENDIF(NOT CMAKE_FLAGS_RELEASE)
IF(NOT CMAKE_FLAGS_DEBUG)
  SET(CMAKE_FLAGS_DEBUG "-ggdb")
ENDIF(NOT CMAKE_FLAGS_DEBUG)

SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${CMAKE_FLAGS_RELEASE}")
SET(CMAKE_C_FLAGS_RELEASE   "${CMAKE_C_FLAGS_RELEASE} ${CMAKE_FLAGS_RELEASE}")
SET(CMAKE_CXX_FLAGS_DEBUG   "${CMAKE_CXX_FLAGS_DEBUG} ${CMAKE_FLAGS_DEBUG}")
SET(CMAKE_C_FLAGS_DEBUG     "${CMAKE_C_FLAGS_DEBUG} ${CMAKE_FLAGS_DEBUG}")

INCLUDE(CheckIncludeFiles)

CHECK_INCLUDE_FILES(endian.h HAVE_ENDIAN_H)
CHECK_INCLUDE_FILES("machine/endian.h" HAVE_MACHINE_ENDIAN_H)

CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/config.h.in ${PROJECT_BINARY_DIR}/config.h)

INCLUDE_DIRECTORIES(
  ${PROJECT_BINARY_DIR} # for config.h
  ${PROJECT_SOURCE_DIR}/../include # for PlatformDescr.hpp
  ${PROJECT_SOURCE_DIR}/../fractal
  ${PROJECT_SOURCE_DIR}/../hw  #fractal accel
)

ADD_EXECUTABLE(main
  crt0.S
  main.cpp
)
SET_TARGET_PROPERTIES(main PROPERTIES
  COMPILE_FLAGS -msoft-float
  LINK_FLAGS -mbaremetal
)