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include(CheckFunctionExists)
set(_ICONV_SEARCHES)
# Search ICONV_DIR first if it is set.
if(NOT ICONV_DIR AND ENV{ICONV_DIR})
set(ICONV_DIR $ENV{ICONV_DIR})
endif()
if(ICONV_DIR)
set(_ICONV_DIR_SEARCH PATHS ${ICONV_DIR} NO_DEFAULT_PATH)
list(APPEND _ICONV_SEARCHES _ICONV_DIR_SEARCH)
endif()
# Normal search.
set(_ICONV_SEARCH_NORMAL
PATHS "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\Iconv;InstallPath]"
"$ENV{PROGRAMFILES}/iconv"
ENV CPATH
ENV C_INCLUDE_PATH
ENV CPLUS_INCLUDE_PATH
ENV LIBRARY_PATH)
list(APPEND _ICONV_SEARCHES _ICONV_SEARCH_NORMAL)
set(ICONV_NAMES iconv iconv2 libiconv iconv64)
set(ICONV_NAMES_DEBUG iconvd iconv64d)
# Try each search configuration.
foreach(search ${_ICONV_SEARCHES})
find_path(ICONV_INCLUDE_DIR NAMES iconv.h ${${search}} PATH_SUFFIXES include)
endforeach()
# Allow ICONV_LIBRARY to be set manually, as the location of the iconv library
if(NOT ICONV_LIBRARY)
foreach(search ${_ICONV_SEARCHES})
find_library(ICONV_LIBRARY_RELEASE NAMES ${ICONV_NAMES} ${${search}} PATH_SUFFIXES lib)
find_library(ICONV_LIBRARY_DEBUG NAMES ${ICONV_NAMES_DEBUG} ${${search}} PATH_SUFFIXES lib)
endforeach()
include(SelectLibraryConfigurations)
select_library_configurations(ICONV)
endif()
unset(ICONV_NAMES)
unset(ICONV_NAMES_DEBUG)
if(ICONV_INCLUDE_DIR AND EXISTS "${ICONV_INCLUDE_DIR}/iconv.h")
file(STRINGS "${ICONV_INCLUDE_DIR}/iconv.h" ICONV_H REGEX "^#define _LIBICONV_VERSION 0x([0-9]+)")
string(REGEX MATCH "q#define _LIBICONV_VERSION 0x([0-9][0-9])([0-9][0-9])?([0-9][0-9])?.*" temp_match "${ICONV_H}")
unset(temp_match)
if(CMAKE_MATCH_0)
set(ICONV_VERSION_MAJOR "${CMAKE_MATCH_1}")
set(ICONV_VERSION_MINOR "${CMAKE_MATCH_2}")
set(ICONV_VERSION_PATCH "${CMAKE_MATCH_3}")
string(REGEX REPLACE "0*([1-9][0-9]*).*" "\\1" ICONV_VERSION_MAJOR "${ICONV_VERSION_MAJOR}")
string(REGEX REPLACE "0*([1-9][0-9]*).*" "\\1" ICONV_VERSION_MINOR "${ICONV_VERSION_MINOR}")
string(REGEX REPLACE "0*([1-9][0-9]*).*" "\\1" ICONV_VERSION_PATCH "${ICONV_VERSION_PATCH}")
set(ICONV_VERSION_STRING "${ICONV_VERSION_MAJOR}.${ICONV_VERSION_MINOR}")
if(ICONV_VERSION_PATCH)
set(ICONV_VERSION_STRING "${ICONV_VERSION_STRING}.${ICONV_VERSION_PATCH}")
endif()
endif()
endif()
check_function_exists(iconv_open ICONV_IN_GLIBC)
set(ICONV_FOUND_ANY FALSE)
if(ICONV_IN_GLIBC OR ICONV_LIBRARY)
set(ICONV_FOUND_ANY TRUE)
endif()
# handle the QUIETLY and REQUIRED arguments and set ICONV_FOUND to TRUE if
# all listed variables are TRUE
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(ICONV
REQUIRED_VARS ICONV_FOUND_ANY ICONV_INCLUDE_DIR
VERSION_VAR ICONV_VERSION_STRING)
mark_as_advanced(ICONV_LIBRARY ICONV_INCLUDE_DIR)
if(NOT ICONV_FOUND)
return()
endif()
set(ICONV_INCLUDE_DIRS ${ICONV_INCLUDE_DIR})
if(NOT ICONV_LIBRARIES)
set(ICONV_LIBRARIES ${ICONV_LIBRARY})
endif()
if(ICONV_LIBRARY AND NOT TARGET ICONV::ICONV)
add_library(ICONV::ICONV UNKNOWN IMPORTED)
set_target_properties(ICONV::ICONV PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${ICONV_INCLUDE_DIRS}"
IMPORTED_LOCATION "${ICONV_LIBRARY}")
if(ICONV_LIBRARY_RELEASE)
set_property(TARGET ICONV::ICONV APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(ICONV::ICONV PROPERTIES
IMPORTED_LOCATION_RELEASE "${ICONV_LIBRARY_RELEASE}")
endif()
if(ICONV_LIBRARY_DEBUG)
set_property(TARGET ICONV::ICONV APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(ICONV::ICONV PROPERTIES
IMPORTED_LOCATION_DEBUG "${ICONV_LIBRARY_DEBUG}")
endif()
elseif(NOT TARGET ICONV::ICONV)
add_library(ICONV::ICONV INTERFACE IMPORTED)
set_target_properties(ICONV::ICONV PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${ICONV_INCLUDE_DIRS}")
endif()
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