I'm getting a repeatable error when building the master branch of LyX with cmake on Fedora 30. What I've done is:
./autogen.sh mkdir build-cmake cd build-cmake cmake .. make Result: [ 70%] Linking CXX executable ../bin/lyx2.4 cd /cvs/lyx/lyx-devel/build-cmake/src && /usr/bin/cmake -E cmake_link_script CMakeFiles/lyx2.4.dir/link.txt --verbose=1 /usr/bin/c++ -Wall -Wunused-parameter --std=c++14 -fno-strict-aliasing -O0 -g3 -D_DEBUG -flto -fno-fat-lto-objects -rdynamic CMakeFiles/lyx2.4.dir/Author.cpp.o CMakeFiles/lyx2.4.dir/BiblioInfo.cpp.o CMakeFiles/lyx2.4.dir/Box.cpp.o CMakeFiles/lyx2.4.dir/BranchList.cpp.o CMakeFiles/lyx2.4.dir/Buffer.cpp.o CMakeFiles/lyx2.4.dir/BufferEncodings.cpp.o CMakeFiles/lyx2.4.dir/BufferList.cpp.o CMakeFiles/lyx2.4.dir/BufferParams.cpp.o CMakeFiles/lyx2.4.dir/BufferView.cpp.o CMakeFiles/lyx2.4.dir/Bullet.cpp.o CMakeFiles/lyx2.4.dir/Changes.cpp.o CMakeFiles/lyx2.4.dir/Chktex.cpp.o CMakeFiles/lyx2.4.dir/CiteEnginesList.cpp.o CMakeFiles/lyx2.4.dir/CmdDef.cpp.o CMakeFiles/lyx2.4.dir/Color.cpp.o CMakeFiles/lyx2.4.dir/Compare.cpp.o CMakeFiles/lyx2.4.dir/Converter.cpp.o CMakeFiles/lyx2.4.dir/ConverterCache.cpp.o CMakeFiles/lyx2.4.dir/CoordCache.cpp.o CMakeFiles/lyx2.4.dir/Counters.cpp.o CMakeFiles/lyx2.4.dir/Cursor.cpp.o CMakeFiles/lyx2.4.dir/CursorSlice.cpp.o CMakeFiles/lyx2.4.dir/CutAndPaste.cpp.o CMakeFiles/lyx2.4.dir/DepTable.cpp.o CMakeFiles/lyx2.4.dir/Dimension.cpp.o CMakeFiles/lyx2.4.dir/DocIterator.cpp.o CMakeFiles/lyx2.4.dir/Encoding.cpp.o CMakeFiles/lyx2.4.dir/ErrorList.cpp.o CMakeFiles/lyx2.4.dir/Exporter.cpp.o CMakeFiles/lyx2.4.dir/FloatList.cpp.o CMakeFiles/lyx2.4.dir/Floating.cpp.o CMakeFiles/lyx2.4.dir/Font.cpp.o CMakeFiles/lyx2.4.dir/FontInfo.cpp.o CMakeFiles/lyx2.4.dir/FontList.cpp.o CMakeFiles/lyx2.4.dir/Format.cpp.o CMakeFiles/lyx2.4.dir/FuncRequest.cpp.o CMakeFiles/lyx2.4.dir/FuncStatus.cpp.o CMakeFiles/lyx2.4.dir/Graph.cpp.o CMakeFiles/lyx2.4.dir/IndicesList.cpp.o CMakeFiles/lyx2.4.dir/InsetIterator.cpp.o CMakeFiles/lyx2.4.dir/InsetList.cpp.o CMakeFiles/lyx2.4.dir/Intl.cpp.o CMakeFiles/lyx2.4.dir/KeyMap.cpp.o CMakeFiles/lyx2.4.dir/KeySequence.cpp.o CMakeFiles/lyx2.4.dir/LaTeX.cpp.o CMakeFiles/lyx2.4.dir/LaTeXFeatures.cpp.o CMakeFiles/lyx2.4.dir/LaTeXFonts.cpp.o CMakeFiles/lyx2.4.dir/LaTeXPackages.cpp.o CMakeFiles/lyx2.4.dir/Language.cpp.o CMakeFiles/lyx2.4.dir/Layout.cpp.o CMakeFiles/lyx2.4.dir/LayoutFile.cpp.o CMakeFiles/lyx2.4.dir/LayoutModuleList.cpp.o CMakeFiles/lyx2.4.dir/Length.cpp.o CMakeFiles/lyx2.4.dir/Lexer.cpp.o CMakeFiles/lyx2.4.dir/LyX.cpp.o CMakeFiles/lyx2.4.dir/LyXAction.cpp.o CMakeFiles/lyx2.4.dir/LyXRC.cpp.o CMakeFiles/lyx2.4.dir/LyXVC.cpp.o CMakeFiles/lyx2.4.dir/MetricsInfo.cpp.o CMakeFiles/lyx2.4.dir/ModuleList.cpp.o CMakeFiles/lyx2.4.dir/Mover.cpp.o CMakeFiles/lyx2.4.dir/OutputParams.cpp.o CMakeFiles/lyx2.4.dir/PDFOptions.cpp.o CMakeFiles/lyx2.4.dir/ParIterator.cpp.o CMakeFiles/lyx2.4.dir/Paragraph.cpp.o CMakeFiles/lyx2.4.dir/ParagraphMetrics.cpp.o CMakeFiles/lyx2.4.dir/ParagraphParameters.cpp.o CMakeFiles/lyx2.4.dir/PersonalWordList.cpp.o CMakeFiles/lyx2.4.dir/PrinterParams.cpp.o CMakeFiles/lyx2.4.dir/Row.cpp.o CMakeFiles/lyx2.4.dir/RowPainter.cpp.o CMakeFiles/lyx2.4.dir/Server.cpp.o CMakeFiles/lyx2.4.dir/ServerSocket.cpp.o CMakeFiles/lyx2.4.dir/Session.cpp.o CMakeFiles/lyx2.4.dir/Spacing.cpp.o CMakeFiles/lyx2.4.dir/TexRow.cpp.o CMakeFiles/lyx2.4.dir/Text.cpp.o CMakeFiles/lyx2.4.dir/Text2.cpp.o CMakeFiles/lyx2.4.dir/Text3.cpp.o CMakeFiles/lyx2.4.dir/TextClass.cpp.o CMakeFiles/lyx2.4.dir/TextMetrics.cpp.o CMakeFiles/lyx2.4.dir/Thesaurus.cpp.o CMakeFiles/lyx2.4.dir/TocBackend.cpp.o CMakeFiles/lyx2.4.dir/TocBuilder.cpp.o CMakeFiles/lyx2.4.dir/Trans.cpp.o CMakeFiles/lyx2.4.dir/Undo.cpp.o CMakeFiles/lyx2.4.dir/VCBackend.cpp.o CMakeFiles/lyx2.4.dir/VSpace.cpp.o CMakeFiles/lyx2.4.dir/WordList.cpp.o CMakeFiles/lyx2.4.dir/boost.cpp.o CMakeFiles/lyx2.4.dir/buffer_funcs.cpp.o CMakeFiles/lyx2.4.dir/factory.cpp.o CMakeFiles/lyx2.4.dir/lengthcommon.cpp.o CMakeFiles/lyx2.4.dir/lyxfind.cpp.o CMakeFiles/lyx2.4.dir/main.cpp.o CMakeFiles/lyx2.4.dir/output.cpp.o CMakeFiles/lyx2.4.dir/output_docbook.cpp.o CMakeFiles/lyx2.4.dir/output_latex.cpp.o CMakeFiles/lyx2.4.dir/output_plaintext.cpp.o CMakeFiles/lyx2.4.dir/output_xhtml.cpp.o CMakeFiles/lyx2.4.dir/sgml.cpp.o CMakeFiles/lyx2.4.dir/texstream.cpp.o CMakeFiles/lyx2.4.dir/version.cpp.o -o ../bin/lyx2.4 ../lib/libmathed.a ../lib/libinsets.a ../lib/libfrontends.a ../lib/libfrontend_qt.a ../lib/libgraphics.a ../lib/libsupport.a ../lib/libmytheslibstatic.a -lX11 /usr/lib64/libQt5X11Extras.so.5.12.5 -lxcb -lmagic ../lib/libfrontends.a /usr/lib64/libQt5Concurrent.so.5.12.5 /usr/lib64/libQt5Svg.so.5.12.5 /usr/lib64/libQt5Widgets.so.5.12.5 /usr/lib64/libQt5Gui.so.5.12.5 /usr/lib64/libQt5Core.so.5.12.5 -lz lto1: internal compiler error: in add_symbol_to_partition_1, at lto/lto-partition.c:153 Please submit a full bug report, with preprocessed source if appropriate. See <http://bugzilla.redhat.com/bugzilla> for instructions. lto-wrapper: fatal error: /usr/bin/c++ returned 1 exit status compilation terminated. /usr/bin/ld: error: lto-wrapper failed collect2: error: ld returned 1 exit status make[2]: *** [src/CMakeFiles/lyx2.4.dir/build.make:1640: bin/lyx2.4] Error 1 make[2]: Leaving directory '/cvs/lyx/lyx-devel/build-cmake' make[1]: *** [CMakeFiles/Makefile2:407: src/CMakeFiles/lyx2.4.dir/all] Error 2 make[1]: Leaving directory '/cvs/lyx/lyx-devel/build-cmake' make: *** [Makefile:144: all] Error 2 This error does NOT occur when building with autotools. I've googled the error message without any helpful hits. Riki
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