#-----------------------------------------------------------------------------
# set some special flags for different compilers
#
IF(CMAKE_GENERATOR MATCHES "Visual Studio 7")
  SET(CMAKE_SKIP_COMPATIBILITY_TESTS 1)
ENDIF(CMAKE_GENERATOR MATCHES "Visual Studio 7")
IF(CMAKE_GENERATOR MATCHES "Visual Studio 6")
  SET(CMAKE_SKIP_COMPATIBILITY_TESTS 1)
ENDIF(CMAKE_GENERATOR MATCHES "Visual Studio 6")
INCLUDE (${CMAKE_ROOT}/Modules/CMakeBackwardCompatibilityCXX.cmake)

# Disable deprecation warnings for standard C functions.
# really only needed for newer versions of VS, but should
# not hurt other versions, and this will work into the 
# future
IF(MSVC)
  ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
ENDIF(MSVC)

#silence duplicate symbol warnings on AIX
IF(CMAKE_SYSTEM MATCHES "AIX.*")
  IF(NOT CMAKE_COMPILER_IS_GNUCXX)
    SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -bhalt:5 ")
  ENDIF(NOT CMAKE_COMPILER_IS_GNUCXX)
ENDIF(CMAKE_SYSTEM MATCHES "AIX.*")

IF(CMAKE_SYSTEM MATCHES "IRIX.*")
  IF(NOT CMAKE_COMPILER_IS_GNUCXX)
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wl,-woff84 -no_auto_include")
    SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-woff15")
  ENDIF(NOT CMAKE_COMPILER_IS_GNUCXX)
ENDIF(CMAKE_SYSTEM MATCHES "IRIX.*")

IF(CMAKE_SYSTEM MATCHES "OSF1-V.*")
  IF(NOT CMAKE_COMPILER_IS_GNUCXX)
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -timplicit_local -no_implicit_include ")
  ENDIF(NOT CMAKE_COMPILER_IS_GNUCXX)
ENDIF(CMAKE_SYSTEM MATCHES "OSF1-V.*")

# use the ansi CXX compile flag for building cmake
IF (CMAKE_ANSI_CXXFLAGS)
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_ANSI_CXXFLAGS}")  
ENDIF (CMAKE_ANSI_CXXFLAGS)

IF (CMAKE_ANSI_CFLAGS)
  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_ANSI_CFLAGS}")  
ENDIF (CMAKE_ANSI_CFLAGS)