# CMake script for finding libngspice
# (C) CERN 2016
# Author: Maciej Suminski <maciej.suminski@cern.ch>

find_path( NGSPICE_INCLUDE_DIR ngspice/sharedspice.h
    PATHS ${NGSPICE_ROOT_DIR} $ENV{NGSPICE_ROOT_DIR} ${NGSPICE_INCLUDE_PATH}
    PATH_SUFFIXES src/include share/ngspice/include share/ngspice/include/ngspice
)

find_library( NGSPICE_LIBRARY ngspice
    PATHS ${NGSPICE_ROOT_DIR} $ENV{NGSPICE_ROOT_DIR} ${NGSPICE_LIBRARY_PATH}
    PATH_SUFFIXES src/.libs lib
)

if( WIN32 AND MSYS )
    # NGSPICE_LIBRARY points to libngspice.dll.a on Windows,
    # but the goal is to find out the DLL name.
    find_library( NGSPICE_DLL NAMES libngspice-0.dll libngspice-1.dll )
else()
    set( NGSPICE_DLL "${NGSPICE_LIBRARY}" )
endif()


include( FindPackageHandleStandardArgs )

if( ${NGSPICE_INCLUDE_DIR} STREQUAL "NGSPICE_INCLUDE_DIR-NOTFOUND" OR ${NGSPICE_LIBRARY} STREQUAL "NGSPICE_LIBRARY-NOTFOUND" )
    message( "" )
    message( "*** NGSPICE library missing ***" )
    message( "Most of ngspice packages do not provide the required libngspice library." )
    message( "You can either compile ngspice configured with --with-ngshared parameter" )
    message( "or run a script that does the job for you:" )
    message( "  cd ./scripts" )
    message( "  chmod +x get_libngspice_so.sh" )
    message( "  ./get_libngspice_so.sh" )
    message( "  sudo ./get_libngspice_so.sh install" )
    message( "" )
endif()

find_package_handle_standard_args( ngspice
	REQUIRED_VARS NGSPICE_INCLUDE_DIR NGSPICE_LIBRARY NGSPICE_DLL )

mark_as_advanced(
    NGSPICE_INCLUDE_DIR
    NGSPICE_LIBRARY
    NGSPICE_DLL
)