# 
# this module looks for some executable packers (i.e. softwares that
# compress executables or shared libs into on-the-fly self-extracting
# executables or shared libs.
#
# Examples:
# UPX: http://wildsau.idv.uni-linz.ac.at/mfx/upx.html

INCLUDE(${CMAKE_ROOT}/Modules/FindCygwin.cmake)

IF (CYGWIN_INSTALL_PATH)

  FIND_PROGRAM(SELF_PACKER_FOR_EXECUTABLE
    upx
    ${CYGWIN_INSTALL_PATH}/bin
  )

  FIND_PROGRAM(SELF_PACKER_FOR_SHARED_LIB
    upx
    ${CYGWIN_INSTALL_PATH}/bin
  )

ELSE (CYGWIN_INSTALL_PATH)

  FIND_PROGRAM(SELF_PACKER_FOR_EXECUTABLE
    upx
    /bin
    /usr/bin 
    /usr/local/bin
    /sbin
  )

  FIND_PROGRAM(SELF_PACKER_FOR_SHARED_LIB
    upx
    /bin
    /usr/bin 
    /usr/local/bin
    /sbin
  )

ENDIF (CYGWIN_INSTALL_PATH)

#
# Set flags
#
IF (SELF_PACKER_FOR_EXECUTABLE MATCHES "upx")
  SET (SELF_PACKER_FOR_EXECUTABLE_FLAGS "-q" CACHE STRING 
       "Flags for the executable self-packer.")
ELSE (SELF_PACKER_FOR_EXECUTABLE MATCHES "upx")
  SET (SELF_PACKER_FOR_EXECUTABLE_FLAGS "" CACHE STRING 
       "Flags for the executable self-packer.")
ENDIF (SELF_PACKER_FOR_EXECUTABLE MATCHES "upx")

IF (SELF_PACKER_FOR_SHARED_LIB MATCHES "upx")
  SET (SELF_PACKER_FOR_SHARED_LIB_FLAGS "-q" CACHE STRING 
       "Flags for the shared lib self-packer.")
ELSE (SELF_PACKER_FOR_SHARED_LIB MATCHES "upx")
  SET (SELF_PACKER_FOR_SHARED_LIB_FLAGS "" CACHE STRING 
       "Flags for the shared lib self-packer.")
ENDIF (SELF_PACKER_FOR_SHARED_LIB MATCHES "upx")