# - Try to find Iconv 

# Once done this will define 

# 

#  ICONV_FOUND - system has Iconv 

#  ICONV_INCLUDE_DIR - the Iconv include directory 

#  ICONV_LIBRARIES - Link these to use Iconv 

#  ICONV_SECOND_ARGUMENT_IS_CONST - the second argument for iconv() is const

# 

include(CheckCCompilerFlag)

include(CheckCSourceCompiles)

IF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)

  # Already in cache, be silent

  SET(ICONV_FIND_QUIETLY TRUE)

ENDIF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)

FIND_PATH(ICONV_INCLUDE_DIR iconv.h HINTS /sw/include/ PATHS /opt/local) 

FIND_LIBRARY(ICONV_LIBRARIES NAMES libiconv_a iconv libiconv c PATHS /opt/local)

IF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES) 

   SET(ICONV_FOUND TRUE) 

ENDIF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES) 

set(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})

set(CMAKE_REQUIRED_LIBRARIES ${ICONV_LIBRARIES})

IF(ICONV_FOUND)

  check_c_compiler_flag("-Werror" ICONV_HAVE_WERROR)

  set (CMAKE_C_FLAGS_BACKUP "${CMAKE_C_FLAGS}")

  if(ICONV_HAVE_WERROR)

    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")

  endif(ICONV_HAVE_WERROR)

  check_c_source_compiles("

  #include <iconv.h>

  int main(){

    iconv_t conv = 0;

    const char* in = 0;

    size_t ilen = 0;

    char* out = 0;

    size_t olen = 0;

    iconv(conv, &in, &ilen, &out, &olen);

    return 0;

  }

" ICONV_SECOND_ARGUMENT_IS_CONST )

  set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS_BACKUP}")

ENDIF(ICONV_FOUND)

set(CMAKE_REQUIRED_INCLUDES)

set(CMAKE_REQUIRED_LIBRARIES)

IF(ICONV_FOUND) 

  IF(NOT ICONV_FIND_QUIETLY) 

    MESSAGE(STATUS "Found Iconv: ${ICONV_LIBRARIES}") 

  ENDIF(NOT ICONV_FIND_QUIETLY) 

ELSE(ICONV_FOUND) 

  IF(Iconv_FIND_REQUIRED) 

    MESSAGE(FATAL_ERROR "Could not find Iconv") 

  ENDIF(Iconv_FIND_REQUIRED) 

ENDIF(ICONV_FOUND) 

MARK_AS_ADVANCED(

  ICONV_INCLUDE_DIR

  ICONV_LIBRARIES

  ICONV_SECOND_ARGUMENT_IS_CONST

)