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find_path ( ICONV_INCLUDE_DIR iconv.h )
mark_as_advanced ( ICONV_INCLUDE_DIR )
set ( ICONV_INCLUDE_DIRS ${ICONV_INCLUDE_DIR} )
if ( ICONV_INCLUDE_DIRS )
include ( CheckFunctionExists )
unset ( CMAKE_REQUIRED_FLAGS )
unset ( CMAKE_REQUIRED_DEFINITIONS )
set ( CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIRS} )
unset ( CMAKE_REQUIRED_LIBRARIES )
check_function_exists ( iconv_open ICONV_FOUND )
if ( NOT ICONV_FOUND )
find_library ( iconv_LIBRARY iconv )
if ( iconv_LIBRARY )
set ( CMAKE_REQUIRED_LIBRARIES ${iconv_LIBRARY} )
check_function_exists ( iconv_open ICONV_FOUND )
if ( ICONV_FOUND )
set ( ICONV_LIBRARIES ${iconv_LIBRARY} )
endif ( ICONV_FOUND )
endif ( iconv_LIBRARY )
endif ( NOT ICONV_FOUND )
endif ( ICONV_INCLUDE_DIRS )
if ( ICONV_FOUND )
set ( ICONV_CONST_TEST_SOURCE "
#include <stdlib.h>
#include <iconv.h>
extern
#ifdef __cplusplus
\"C\"
#endif
#if defined(__STDC__) || defined(__cplusplus)
size_t iconv (iconv_t cd, const char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
#else
size_t iconv();
#endif
int main(void) { return 0; }
")
unset ( CMAKE_REQUIRED_FLAGS )
unset ( CMAKE_REQUIRED_DEFINITIONS )
set ( CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIRS} )
unset ( CMAKE_REQUIRED_LIBRARIES )
check_c_source_compiles ( "${ICONV_CONST_TEST_SOURCE}" ICONV_USES_CONST )
endif ( ICONV_FOUND )
if ( NOT ICONV_FOUND )
if ( Iconv_REQUIRED )
message ( FATAL_ERROR "Iconv not found" )
endif ( Iconv_REQUIRED )
endif ( NOT ICONV_FOUND )
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