# - Find TCLAP
# Find the TCLAP headers
#
# TCLAP_INCLUDE_DIR - where to find the TCLAP headers
# TCLAP_FOUND       - True if TCLAP is found

if (TCLAP_INCLUDE_DIR)
  # already in cache, be silent
  set (TCLAP_FIND_QUIETLY TRUE)
endif (TCLAP_INCLUDE_DIR)

# find the headers
find_path (TCLAP_INCLUDE_PATH tclap/CmdLine.h
  PATHS
    ${CMAKE_SOURCE_DIR}/include
    ${CMAKE_INSTALL_PREFIX}/include
)

# handle the QUIETLY and REQUIRED arguments and set TCLAP_FOUND to
# TRUE if all listed variables are TRUE
include (FindPackageHandleStandardArgs)
find_package_handle_standard_args (TCLAP
  "TCLAP (http://tclap.sourceforge.net/) not found. To self-host, set TCLAP_INCLUDE_PATH to point to the headers adding '-DTCLAP_INCLUDE_PATH=/path/to/tclap' to the cmake command."
  TCLAP_INCLUDE_PATH
)

if (TCLAP_FOUND)
  set (TCLAP_INCLUDE_DIR ${TCLAP_INCLUDE_PATH})
endif (TCLAP_FOUND)

mark_as_advanced(TCLAP_INCLUDE_PATH)