cmake: add playstation2 support

cmake/ps2toolchain/CMakeDetermineDSMCompiler.cmake

@@ -0,0 +1,87 @@
+include(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake)
+
+if (NOT CMAKE_DSM_COMPILER)
+  message(FATAL_ERROR "Need CMAKE_DSM_COMPILER set")
+endif()
+
+_cmake_find_compiler_path(DSM)
+mark_as_advanced(CMAKE_DSM_COMPILER)
+
+if (NOT CMAKE_DSM_COMPILER_ID)
+  # Table of per-vendor compiler id flags with expected output.
+  list(APPEND CMAKE_DSM_COMPILER_ID_VENDORS GNU )
+  set(CMAKE_DSM_COMPILER_ID_VENDOR_FLAGS_GNU "--version")
+  set(CMAKE_DSM_COMPILER_ID_VENDOR_REGEX_GNU "(GNU assembler)|(GCC)|(Free Software Foundation)")
+
+  include(CMakeDetermineCompilerId)
+  cmake_determine_compiler_id_vendor(DSM "")
+
+endif()
+
+if (NOT _CMAKE_TOOLCHAIN_LOCATION)
+  get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_DSM_COMPILER}" PATH)
+endif()
+
+if (CMAKE_DSM_COMPILER_ID)
+  if (CMAKE_DSM_COMPILER_VERSION)
+    set(_version " ${CMAKE_DSM_COMPILER_VERSION}")
+  else()
+    set(_version "")
+  endif()
+  message(STATUS "The DSM compiler identification is ${CMAKE_DSM_COMPILER_ID}${_version}")
+  unset(_version)
+else()
+  message(STATUS "The DSM compiler identification is unknown")
+endif()
+
+if (NOT _CMAKE_TOOLCHAIN_PREFIX)
+  get_filename_component(COMPILER_BASENAME "${CMAKE_DSM_COMPILER}" NAME)
+  if (COMPILER_BASENAME MATCHES "^(.+1)g?as(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
+    set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
+  endif()
+
+endif()
+
+set(_CMAKE_PROCESSING_LANGUAGE "DSM")
+find_program(CMAKE_DSM_COMPILER_AR NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ar HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+find_program(CMAKE_DSM_COMPILER_RANLIB NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ranlib HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+find_program(CMAKE_DSM_COMPILER_STRIP NAMES ${_CMAKE_TOOLCHAIN_PREFIX}strip HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+find_program(CMAKE_DSM_COMPILER_NM NAMES ${_CMAKE_TOOLCHAIN_PREFIX}nm HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+find_program(CMAKE_DSM_COMPILER_OBJDUMP NAMES ${_CMAKE_TOOLCHAIN_PREFIX}objdump HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+find_program(CMAKE_DSM_COMPILER_OBJCOPY NAMES ${_CMAKE_TOOLCHAIN_PREFIX}objcopy HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+
+unset(_CMAKE_PROCESSING_LANGUAGE)
+
+set(CMAKE_DSM_COMPILER_ENV_VAR "DSM")
+
+if (CMAKE_DSM_COMPILER)
+  message(STATUS "Found DSM assembler: ${CMAKE_DSM_COMPILER}")
+else()
+  message(STATUS "Didn't find assembler")
+endif()
+
+foreach(_var
+    COMPILER
+    COMPILER_ID
+    COMPILER_ARG1
+    COMPILER_ENV_VAR
+    COMPILER_AR
+    COMPILER_RANLIB
+    COMPILER_VERSION
+    )
+  set(_CMAKE_DSM_${_var} "${CMAKE_DSM_${_var}}")
+endforeach()
+
+configure_file("${CMAKE_CURRENT_LIST_DIR}/CMakeDSMCompiler.cmake.in"
+    "${CMAKE_PLATFORM_INFO_DIR}/CMakeDSMCompiler.cmake" @ONLY)
+
+foreach(_var
+    COMPILER
+    COMPILER_ID
+    COMPILER_ARG1
+    COMPILER_ENV_VAR
+    COMPILER_AR
+    COMPILER_VERSION
+  )
+  unset(_CMAKE_DSM_${_var})
+endforeach()