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https://github.com/transmission/transmission
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4c1b627647
Port libtransmission to C++. This PR doesn't refactor everything to c++. Its code changes are only what was necessary to compile and link as c++. See libtransmission/README.md for details on how to submit modernization patches! Co-authored-by: Mike Gelfand <mikedld@mikedld.com>
48 lines
1.4 KiB
CMake
48 lines
1.4 KiB
CMake
# Grabbed from http://public.kitware.com/Bug/view.php?id=13517 and slightly modified.
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find_path(ICONV_INCLUDE_DIR iconv.h)
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find_library(ICONV_LIBRARY NAMES iconv libiconv libiconv-2 c)
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set(ICONV_INCLUDE_DIRS ${ICONV_INCLUDE_DIR})
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set(ICONV_LIBRARIES ${ICONV_LIBRARY})
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(ICONV
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REQUIRED_VARS
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ICONV_LIBRARY
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ICONV_INCLUDE_DIR
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VERSION_VAR
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ICONV_VERSION
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)
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if(ICONV_FOUND AND NOT DEFINED ICONV_SECOND_ARGUMENT_IS_CONST)
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include(CheckCXXSourceCompiles)
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set(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIRS})
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set(CMAKE_REQUIRED_LIBRARIES ${ICONV_LIBRARIES})
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check_cxx_source_compiles("
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#include <iconv.h>
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int main()
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{
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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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FAIL_REGEX "discards qualifiers in nested pointer types"
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FAIL_REGEX "incompatible pointer type"
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FAIL_REGEX "invalid conversion"
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FAIL_REGEX "no matching function"
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)
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set(CMAKE_REQUIRED_INCLUDES)
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set(CMAKE_REQUIRED_LIBRARIES)
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endif()
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mark_as_advanced(ICONV_INCLUDE_DIR ICONV_LIBRARY ICONV_SECOND_ARGUMENT_IS_CONST)
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