Hello, I tried to compile PODOFO with gcc 13 and I get the following error:
[ 65%] Building CXX object test/unit/CMakeFiles/podofo-test.dir/ParserTest.cpp.o [ 65%] Building CXX object test/unit/CMakeFiles/podofo-test.dir/TokenizerTest.cpp.o [ 66%] Building CXX object test/unit/CMakeFiles/podofo-test.dir/StringTest.cpp.o In file included from /usr/include/cppunit/TestAssert.h:8, from /usr/include/cppunit/TestCase.h:6, from /usr/include/cppunit/TestCaller.h:5, from /usr/include/cppunit/extensions/HelperMacros.h:9, from /container/source/var/podofo-0.9.7/test/unit/StringTest.h:24, from /container/source/var/podofo-0.9.7/test/unit/StringTest.cpp:21: /usr/include/cppunit/tools/StringHelper.h: In instantiation of 'typename std::enable_if<(! std::is_enum<_Tp>::value), std::__cxx11::basic_string >::type CppUnit::StringHelper::toString(const T&) [with T = PoDoFo::PdfString; typename std::enable_if<(! std::is_enum<_Tp>::value), std::__cxx11::basic_string >::type = std::__cxx11::basic_string]': /usr/include/cppunit/TestAssert.h:74:50: required from 'static std::string CppUnit::assertion_traits::toString(const T&) [with T = PoDoFo::PdfString; std::string = std::__cxx11::basic_string]' /usr/include/cppunit/TestAssert.h:168:58: required from 'void CppUnit::assertEquals(const T&, const T&, SourceLine, const std::string&) [with T = PoDoFo::PdfString; std::string = std::__cxx11::basic_string]' /container/source/var/podofo-0.9.7/test/unit/StringTest.cpp:182:5: required from here /usr/include/cppunit/tools/StringHelper.h:25:9: error: no match for 'operator<<' (operand types are 'CppUnit::OStringStream' {aka 'std::__cxx11::basic_ostringstream'} and 'const PoDoFo::PdfString') 25 | ost << x; | ~~~~^~~~ In file included from /usr/gcc/13/include/c++/13.2.0/istream:41, from /usr/gcc/13/include/c++/13.2.0/sstream:40, from /usr/include/cppunit/portability/Stream.h:283, from /usr/include/cppunit/TestAssert.h:7: /usr/gcc/13/include/c++/13.2.0/ostream:110:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(__ostream_type& ()(__ostream_type&)) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 110 | operator<<(__ostream_type& (__pf)(__ostream_type&)) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:110:36: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'std::basic_ostream::__ostream_type& ()(std::basic_ostream::__ostream_type&)' {aka 'std::basic_ostream& ()(std::basic_ostream&)'} 110 | operator<<(__ostream_type& (__pf)(__ostream_type&)) | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:119:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(__ios_type& ()(__ios_type&)) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream; __ios_type = std::basic_ios]' 119 | operator<<(__ios_type& (__pf)(__ios_type&)) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:119:32: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'std::basic_ostream::__ios_type& ()(std::basic_ostream::__ios_type&)' {aka 'std::basic_ios& ()(std::basic_ios&)'} 119 | operator<<(__ios_type& (__pf)(__ios_type&)) | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:129:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& ()(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 129 | operator<<(ios_base& (__pf) (ios_base&)) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:129:30: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'std::ios_base& ()(std::ios_base&)' 129 | operator<<(ios_base& (__pf) (ios_base&)) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:168:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 168 | operator<<(long __n) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:168:23: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'long int' 168 | operator<<(long __n) | ~~~~~^~~ /usr/gcc/13/include/c++/13.2.0/ostream:172:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 172 | operator<<(unsigned long __n) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:172:32: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'long unsigned int' 172 | operator<<(unsigned long __n) | ~~~~~~~~~~~~~~^~~ /usr/gcc/13/include/c++/13.2.0/ostream:176:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 176 | operator<<(bool __n) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:176:23: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'bool' 176 | operator<<(bool __n) | ~~~~~^~~ In file included from /usr/gcc/13/include/c++/13.2.0/ostream:880: /usr/gcc/13/include/c++/13.2.0/bits/ostream.tcc:96:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char; _Traits = std::char_traits]' 96 | basic_ostream<_CharT, _Traits>:: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/gcc/13/include/c++/13.2.0/bits/ostream.tcc:97:22: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'short int' 97 | operator<<(short __n) | ~~~~~~^~~ /usr/gcc/13/include/c++/13.2.0/ostream:183:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 183 | operator<<(unsigned short __n) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:183:33: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'short unsigned int' 183 | operator<<(unsigned short __n) | ~~~~~~~~~~~~~~~^~~ /usr/gcc/13/include/c++/13.2.0/bits/ostream.tcc:110:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char; _Traits = std::char_traits]' 110 | basic_ostream<_CharT, _Traits>:: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/gcc/13/include/c++/13.2.0/bits/ostream.tcc:111:20: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'int' 111 | operator<<(int __n) | ~~~~^~~ /usr/gcc/13/include/c++/13.2.0/ostream:194:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 194 | operator<<(unsigned int __n) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:194:31: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'unsigned int' 194 | operator<<(unsigned int __n) | ~~~~~~~~~~~~~^~~ /usr/gcc/13/include/c++/13.2.0/ostream:203:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 203 | operator<<(long long __n) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:203:28: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'long long int' 203 | operator<<(long long __n) | ~~~~~~~~~~^~~ /usr/gcc/13/include/c++/13.2.0/ostream:207:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 207 | operator<<(unsigned long long __n) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:207:37: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'long long unsigned int' 207 | operator<<(unsigned long long __n) | ~~~~~~~~~~~~~~~~~~~^~~ /usr/gcc/13/include/c++/13.2.0/ostream:222:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 222 | operator<<(double __f) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:222:25: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'double' 222 | operator<<(double __f) | ~~~~~~~^~~ /usr/gcc/13/include/c++/13.2.0/ostream:226:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 226 | operator<<(float __f) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:226:24: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'float' 226 | operator<<(float __f) | ~~~~~~^~~ /usr/gcc/13/include/c++/13.2.0/ostream:234:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long double) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 234 | operator<<(long double __f) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:234:30: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'long double' 234 | operator<<(long double __f) | ~~~~~~~~~~~~^~~ /usr/gcc/13/include/c++/13.2.0/ostream:292:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(const void*) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream]' 292 | operator<<(const void* __p) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:292:30: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'const void*' 292 | operator<<(const void* __p) | ~~~~~~~~~~~~^~~ /usr/gcc/13/include/c++/13.2.0/ostream:297:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::nullptr_t) [with _CharT = char; _Traits = std::char_traits; __ostream_type = std::basic_ostream; std::nullptr_t = std::nullptr_t]' 297 | operator<<(nullptr_t) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:297:18: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'std::nullptr_t' 297 | operator<<(nullptr_t) | ^~~~~~~~~ /usr/gcc/13/include/c++/13.2.0/bits/ostream.tcc:124:5: note: candidate: 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(__streambuf_type*) [with _CharT = char; _Traits = std::char_traits; __streambuf_type = std::basic_streambuf]' 124 | basic_ostream<_CharT, _Traits>:: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/gcc/13/include/c++/13.2.0/bits/ostream.tcc:125:34: note: no known conversion for argument 1 from 'const PoDoFo::PdfString' to 'std::basic_ostream::__streambuf_type*' {aka 'std::basic_streambuf'} 125 | operator<<(__streambuf_type __sbin) | ~~~~~~~~~~~~~~~~~~^~~~~~ In file included from /usr/gcc/13/include/c++/13.2.0/bits/memory_resource.h:38, from /usr/gcc/13/include/c++/13.2.0/deque:76, from /usr/include/cppunit/Message.h:11, from /usr/include/cppunit/Exception.h:5, from /usr/include/cppunit/TestCaller.h:4: /usr/gcc/13/include/c++/13.2.0/cstddef:124:5: note: candidate: 'template constexpr std::__byte_op_t<_IntegerType> std::operator<<(byte, _IntegerType)' 124 | operator<<(byte __b, _IntegerType __shift) noexcept | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/cstddef:124:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:5: note: cannot convert 'ost' (type 'CppUnit::OStringStream' {aka 'std::__cxx11::basic_ostringstream'}) to type 'std::byte' 25 | ost << x; | ^~~ In file included from /usr/gcc/13/include/c++/13.2.0/bits/basic_string.h:47, from /usr/gcc/13/include/c++/13.2.0/string:54, from /usr/include/cppunit/Message.h:12: /usr/gcc/13/include/c++/13.2.0/string_view:760:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, basic_string_view<_CharT, _Traits>)' 760 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/string_view:760:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: 'PoDoFo::PdfString' is not derived from 'std::basic_string_view<_CharT, _Traits>' 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/bits/basic_string.h:4020:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 4020 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/bits/basic_string.h:4020:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: 'const PoDoFo::PdfString' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 25 | ost << x; | ~~~~^~~~ In file included from /usr/gcc/13/include/c++/13.2.0/bits/ios_base.h:46, from /usr/gcc/13/include/c++/13.2.0/ios:44, from /usr/gcc/13/include/c++/13.2.0/istream:40: /usr/gcc/13/include/c++/13.2.0/system_error:339:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)' 339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/system_error:339:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: cannot convert 'x' (type 'const PoDoFo::PdfString') to type 'const std::error_code&' 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/ostream:554:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)' 554 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:554:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: deduced conflicting types for parameter '_CharT' ('char' and 'PoDoFo::PdfString') 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/ostream:564:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)' 564 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:564:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: cannot convert 'x' (type 'const PoDoFo::PdfString') to type 'char' 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/ostream:570:5: note: candidate: 'template std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)' 570 | operator<<(basic_ostream<char, _Traits>& __out, char __c) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:570:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: cannot convert 'x' (type 'const PoDoFo::PdfString') to type 'char' 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/ostream:581:5: note: candidate: 'template std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)' 581 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:581:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: cannot convert 'x' (type 'const PoDoFo::PdfString') to type 'signed char' 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/ostream:586:5: note: candidate: 'template std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)' 586 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:586:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: cannot convert 'x' (type 'const PoDoFo::PdfString') to type 'unsigned char' 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/ostream:645:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)' 645 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:645:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: mismatched types 'const _CharT*' and 'PoDoFo::PdfString' 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/bits/ostream.tcc:307:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)' 307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: cannot convert 'x' (type 'const PoDoFo::PdfString') to type 'const char*' 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/ostream:662:5: note: candidate: 'template std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)' 662 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:662:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: cannot convert 'x' (type 'const PoDoFo::PdfString') to type 'const char*' 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/ostream:675:5: note: candidate: 'template std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const signed char*)' 675 | operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:675:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: cannot convert 'x' (type 'const PoDoFo::PdfString') to type 'const signed char*' 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/ostream:680:5: note: candidate: 'template std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const unsigned char*)' 680 | operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:680:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: cannot convert 'x' (type 'const PoDoFo::PdfString') to type 'const unsigned char*' 25 | ost << x; | ~~~~^~~~ /usr/gcc/13/include/c++/13.2.0/ostream:801:5: note: candidate: 'template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&)' 801 | operator<<(_Ostream&& __os, const _Tp& __x) | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/ostream:801:5: note: template argument deduction/substitution failed: /usr/gcc/13/include/c++/13.2.0/ostream: In substitution of 'template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::__cxx11::basic_ostringstream&; _Tp = PoDoFo::PdfString]': /usr/include/cppunit/tools/StringHelper.h:25:9: required from 'typename std::enable_if<(! std::is_enum<_Tp>::value), std::__cxx11::basic_string >::type CppUnit::StringHelper::toString(const T&) [with T = PoDoFo::PdfString; typename std::enable_if<(! std::is_enum<_Tp>::value), std::__cxx11::basic_string >::type = std::__cxx11::basic_string]' /usr/include/cppunit/TestAssert.h:74:50: required from 'static std::string CppUnit::assertion_traits::toString(const T&) [with T = PoDoFo::PdfString; std::string = std::__cxx11::basic_string]' /usr/include/cppunit/TestAssert.h:168:58: required from 'void CppUnit::assertEquals(const T&, const T&, SourceLine, const std::string&) [with T = PoDoFo::PdfString; std::string = std::__cxx11::basic_string]' /container/source/var/podofo-0.9.7/test/unit/StringTest.cpp:182:5: required from here /usr/gcc/13/include/c++/13.2.0/ostream:801:5: error: no type named 'type' in 'struct std::enable_if<false, void>' In file included from /usr/gcc/13/include/c++/13.2.0/memory:80, from /usr/include/cppunit/extensions/HelperMacros.h:16: /usr/include/cppunit/tools/StringHelper.h: In instantiation of 'typename std::enable_if<(! std::is_enum<_Tp>::value), std::__cxx11::basic_string >::type CppUnit::StringHelper::toString(const T&) [with T = PoDoFo::PdfString; typename std::enable_if<(! std::is_enum<_Tp>::value), std::__cxx11::basic_string >::type = std::__cxx11::basic_string]': /usr/include/cppunit/TestAssert.h:74:50: required from 'static std::string CppUnit::assertion_traits::toString(const T&) [with T = PoDoFo::PdfString; std::string = std::__cxx11::basic_string]' /usr/include/cppunit/TestAssert.h:168:58: required from 'void CppUnit::assertEquals(const T&, const T&, SourceLine, const std::string&) [with T = PoDoFo::PdfString; std::string = std::__cxx11::basic_string]' /container/source/var/podofo-0.9.7/test/unit/StringTest.cpp:182:5: required from here /usr/gcc/13/include/c++/13.2.0/bits/shared_ptr.h:70:5: note: candidate: 'template<class _Ch, class _Tr, class _Tp, __gnu_cxx::_Lock_policy _Lp> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __shared_ptr<_Tp, _Lp>&)' 70 | operator<<(std::basic_ostream<_Ch, _Tr>& __os, | ^~~~~~~~ /usr/gcc/13/include/c++/13.2.0/bits/shared_ptr.h:70:5: note: template argument deduction/substitution failed: /usr/include/cppunit/tools/StringHelper.h:25:9: note: 'const PoDoFo::PdfString' is not derived from 'const std::__shared_ptr<_Tp, _Lp>' 25 | ost << x; | ~~~~^~~~ make[2]: *** [test/unit/CMakeFiles/podofo-test.dir/build.make:272: test/unit/CMakeFiles/podofo-test.dir/StringTest.cpp.o] Error 1 make[1]: *** [CMakeFiles/Makefile2:1094: test/unit/CMakeFiles/podofo-test.dir/all] Error 2 make: *** [Makefile:136: all] Error 2 This happens when I try to compile the github sources (https://github.com/podofo/) I have also tried to compilethe stable version but this fails with gcc-13. So I tried tocimpile with gcc-10 but this fails again because libcppunit.sois linked against libstdc++.so.6 => /usr/gcc/13/lib/amd64/libstdc++.so.6 Does anybody have an idea how to compile PODOFO? Kind regards,A.S. ----------------------Apostolos Syropoulos Xanthi, Greece _______________________________________________ openindiana-discuss mailing list openindiana-discuss@openindiana.org https://openindiana.org/mailman/listinfo/openindiana-discuss