http://sourceware.org/bugzilla/show_bug.cgi?id=12762
--- Comment #31 from xunxun <xunxun1982 at gmail dot com> 2013-04-30 09:37:49 UTC --- (In reply to comment #30) > The original problem has shifted somewhat. Using GCC 4.7.2 and ld > 2.23.51.20120920, the first link error I get now when compiling Qt (where I > originally met the issue) with -flto (and of course linking with the same > option) is the following: > > > g++ -Wl,-s -mthreads -flto -shared > -Wl,--out-implib,d:\Development\x64\Qt\lib\libQtXml4.a -o ..\..\lib\QtXml4.dll > tmp/obj/release_shared/qdom.o tmp/obj/release_shared/qxml.o > tmp/obj/release_shared/qxmlstream.o -L"d:\Development\x64\Qt\lib" > -L"d:\Development\x64\Qt\lib" tmp\obj\release_shared\QtXml_resource_res.o > -lQtCore4 > R:\ccPQQQpC.ltrans23.ltrans.o:ccPQQQpC.ltrans23.o:(.text+0x1d05): undefined > reference to `__imp__ZTV12QTextOStream.local.415.4022' > R:\ccPQQQpC.ltrans23.ltrans.o:ccPQQQpC.ltrans23.o:(.text+0x1d43): undefined > reference to `__imp__ZTV12QTextOStream.local.415.4022' > R:\ccPQQQpC.ltrans23.ltrans.o:ccPQQQpC.ltrans23.o:(.text+0x1d81): undefined > reference to `__imp__ZTV12QTextIStream.local.414.4003' > R:\ccPQQQpC.ltrans23.ltrans.o:ccPQQQpC.ltrans23.o:(.text+0x1dbf): undefined > reference to `__imp__ZTV12QTextIStream.local.414.4003' > d:/development/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/4.7.2/../../../../x86_64-w64-mingw32/bin/ld.exe: > R:\ccPQQQpC.ltrans23.ltrans.o: bad reloc address 0x8 in section `.data' > collect2.exe: error: ld returned 1 exit status > mingw32-make[2]: *** [..\..\lib\QtXml4.dll] Error 1 > mingw32-make[2]: Leaving directory `D:/Development/x64/Qt/src/xml' > > Which means that a bunch of libraries now build, and the Qt build utilities > that I believe could not be built are now built fine. > The above symbol(s) ran through C++filt say: "vtable for QTextOStream". > > Another small C++ project consisting of a static library and an app compiles > without a hitch with -flto (and it works fine too) It's very same with http://sourceware.org/bugzilla/show_bug.cgi?id=13031 I use -flto-partition=none to workaround it. -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. _______________________________________________ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
