2017-03-15 19:29:34 +00:00
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# - Try to find Iconv
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# Once done this will define
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#
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# ICONV_FOUND - system has Iconv
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# ICONV_INCLUDE_DIR - the Iconv include directory
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# ICONV_LIBRARIES - Link these to use Iconv
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# ICONV_SECOND_ARGUMENT_IS_CONST - the second argument for iconv() is const
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#
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include(CheckCCompilerFlag)
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include(CheckCSourceCompiles)
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IF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
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# Already in cache, be silent
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SET(ICONV_FIND_QUIETLY TRUE)
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ENDIF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
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FIND_PATH(ICONV_INCLUDE_DIR iconv.h HINTS /sw/include/ PATHS /opt/local)
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FIND_LIBRARY(ICONV_LIBRARIES NAMES iconv libiconv c PATHS /opt/local)
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IF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
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SET(ICONV_FOUND TRUE)
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ENDIF()
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set(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
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set(CMAKE_REQUIRED_LIBRARIES ${ICONV_LIBRARIES})
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IF(ICONV_FOUND)
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check_c_compiler_flag("-Werror" ICONV_HAVE_WERROR)
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set (CMAKE_C_FLAGS_BACKUP "${CMAKE_C_FLAGS}")
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if(ICONV_HAVE_WERROR)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
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ENDIF()
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check_c_source_compiles("
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#include <iconv.h>
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int main(){
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iconv_t conv = 0;
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const char* in = 0;
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size_t ilen = 0;
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char* out = 0;
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size_t olen = 0;
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iconv(conv, &in, &ilen, &out, &olen);
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return 0;
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}
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" ICONV_SECOND_ARGUMENT_IS_CONST )
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS_BACKUP}")
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ENDIF()
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set(CMAKE_REQUIRED_INCLUDES)
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set(CMAKE_REQUIRED_LIBRARIES)
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IF(ICONV_FOUND)
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IF(NOT ICONV_FIND_QUIETLY)
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MESSAGE(STATUS "Found Iconv: ${ICONV_LIBRARIES}")
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ENDIF()
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ELSE()
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IF(Iconv_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "Could not find Iconv")
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ENDIF()
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ENDIF()
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MARK_AS_ADVANCED(
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ICONV_INCLUDE_DIR
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ICONV_LIBRARIES
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ICONV_SECOND_ARGUMENT_IS_CONST
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)
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