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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Developers:<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span style='font-size:10.5pt;font-family:"Segoe UI",sans-serif'>I would like some help building 3.15 on CentOS 7 using GCC 9.2.0. I use -D_GLIBCXX_USE_CXX11_ABI=0 to avoid many other errors relating to CXX11.<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.5pt;font-family:"Segoe UI",sans-serif'>Is there something wrong with basic_stringstream in both qgsbasicnumericformat.cpp and qgsfractionnumericformat.cpp?<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.5pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.5pt;font-family:"Segoe UI",sans-serif'>[ 50%] Linking CXX shared library ../../output/lib/libqgis_core.so<br>CMakeFiles/qgis_core.dir/numericformats/qgsbasicnumericformat.cpp.o: In function </span><span style='font-size:9.0pt;font-family:Consolas'>QgsBasicNumericFormat::formatDouble(double, QgsNumericFormatContext const&) const': qgsbasicnumericformat.cpp:(.text+0x19d): undefined reference to </span><span style='font-size:10.5pt;font-family:"Segoe UI",sans-serif'>std::basic_stringstream<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::basic_stringstream()'<br>CMakeFiles/qgis_core.dir/numericformats/qgsfractionnumericformat.cpp.o: In function </span><span style='font-size:9.0pt;font-family:Consolas'>QgsFractionNumericFormat::formatDouble(double, QgsNumericFormatContext const&) const': qgsfractionnumericformat.cpp:(.text+0x1b6): undefined reference to </span><span style='font-size:10.5pt;font-family:"Segoe UI",sans-serif'>std::basic_stringstream<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::basic_stringstream()'<br>collect2: error: ld returned 1 exit status<br>make[2]: *** [output/lib/libqgis_core.so.3.15.0] Error 1<br>make[1]: *** [src/core/CMakeFiles/qgis_core.dir/all] Error 2<br>make: *** [all] Error 2<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.5pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'>I initially opened this as issue #38242 about a month ago. I have been attempting to register for this developers’ list that entire time. I finally was able to subscribe using my personal email, and only if I did NOT specify a password on the form.<o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Regards,<o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Chris<o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p></div></body></html>