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Hi, When building version the python modules for version 5.5.5 for openSUSE* on 32-bit systems (i586 specifically), we see builds failing due to multiple violation of the C++ ODR. These are reported thus: ``` [ 114s] [ 99%] Linking CXX shared library /home/abuild/rpmbuild/BUILD/xrootd-5.5.5/build/lib.linux-i686-cpython-39/pyxrootd/libXrdPosixPreload.so [ 114s] /home/abuild/rpmbuild/BUILD/xrootd-5.5.5/src/./XrdPosix/XrdPosixLinkage.hh:347:7: error: type ‘struct XrdPosixLinkage’ violates the C++ One Definition Rule [-Werror=odr] [ 114s] 347 | class XrdPosixLinkage [ 114s] | ^ [ 114s] /home/abuild/rpmbuild/BUILD/xrootd-5.5.5/src/./XrdPosix/XrdPosixLinkage.hh:347:7: note: a different type is defined in another translation unit [ 114s] 347 | class XrdPosixLinkage [ 114s] | ^ [ 114s] /home/abuild/rpmbuild/BUILD/xrootd-5.5.5/src/./XrdPosix/XrdPosixLinkage.hh:365:26: note: the first difference of corresponding definitions is field ‘Fseeko’ [ 114s] 365 | Retv_Fseeko (*Fseeko)(Args_Fseeko); [ 114s] | ^ [ 114s] /home/abuild/rpmbuild/BUILD/xrootd-5.5.5/src/./XrdPosix/XrdPosixLinkage.hh:365:26: note: a field of same name but different type is defined in another translation unit [ 114s] 365 | Retv_Fseeko (*Fseeko)(Args_Fseeko); [ 114s] | ^ [ 114s] /home/abuild/rpmbuild/BUILD/xrootd-5.5.5/src/./XrdPosix/XrdPosixLinkage.hh:347:7: note: type mismatch in parameter 2 [ 114s] 347 | class XrdPosixLinkage [ 114s] | ^ [ 114s] /home/abuild/rpmbuild/BUILD/xrootd-5.5.5/src/XrdPosix/XrdPosixPreload32.cc:76:24: error: ‘Xunix’ violates the C++ One Definition Rule [-Werror=odr] [ 114s] 76 | extern XrdPosixLinkage Xunix; [ 114s] | ^ [ 114s] /home/abuild/rpmbuild/BUILD/xrootd-5.5.5/src/./XrdPosix/XrdPosixLinkage.hh:347:7: note: type ‘struct XrdPosixLinkage’ itself violates the C++ One Definition Rule [ 114s] 347 | class XrdPosixLinkage [ 114s] | ^ [ 114s] /home/abuild/rpmbuild/BUILD/xrootd-5.5.5/src/XrdPosix/XrdPosixLinkage.cc:56:17: note: ‘Xunix’ was previously declared here [ 114s] 56 | XrdPosixLinkage Xunix; [ 114s] | ^ [ 114s] lto1: all warnings being treated as errors ``` We see no such problems with 64 bit builds however. Our build uses the following libraries/compilers: * cmake 3.26 * GCC 13.1.1 * Python 3.9, 3.10, 3.11 Happy to supply any more information, if needed, to help debug and fix the issue. In the meanwhile, here is the full build log: [xrootd_i586_build_log.zip](https://github.com/xrootd/xrootd/files/11711758/xrootd_i586_build_log.zip) Thanks in advance. * We include commit 2401509 as a patch (lightly rebased to apply against 5.5.5) to get the python modules building. You may have a detailed look at our patches and build status [here](https://build.opensuse.org/package/show/home:badshah400:branches:science/xrootd) temporarily. -- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/2032 You are receiving this because you are subscribed to this thread. Message ID: <[log in to unmask]> ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1