https://llvm.org/bugs/show_bug.cgi?id=25953
Bug ID: 25953
Summary: Windows mingw build broken
Product: new-bugs
Version: 3.7
Hardware: PC
OS: other
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: klamer.schu...@tno.nl
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Compilation of LLVM/CLANG fails, using mingw gcc 4.8.1 64 bit. Compiling with
Cmake, using MSYS Makefiles, and no further options.
Error message is like:
[ 82%] Building CXX object
tools/cfe-3.7.0.src/lib/Sema/CMakeFiles/clangSema.dir/SemaExpr.cpp.obj
c:/prog64/mingw64-4.8.1/bin/../lib/gcc/x86_64-w64-mingw32/4.8.1/../../../../x86_64-w64-mingw32/bin/as.exe:
CMakeFiles/clangSema.dir/SemaExpr.cpp.obj: too many sections (33299)
C:\Users\schuttek\AppData\Local\Temp\ccX5KUip.s: Assembler messages:
C:\Users\schuttek\AppData\Local\Temp\ccX5KUip.s: Fatal error: can't write
CMakeFiles/clangSema.dir/SemaExpr.cpp.obj: File too big
c:/prog64/mingw64-4.8.1/bin/../lib/gcc/x86_64-w64-mingw32/4.8.1/../../../../x86_64-w64-mingw32/bin/as.exe:
CMakeFiles/clangSema.dir/SemaExpr.cpp.obj: too many sections (33299)
C:\Users\schuttek\AppData\Local\Temp\ccX5KUip.s: Fatal error: can't close
CMakeFiles/clangSema.dir/SemaExpr.cpp.obj: File too big
make[2]: ***
[tools/cfe-3.7.0.src/lib/Sema/CMakeFiles/clangSema.dir/SemaExpr.cpp.obj] Error
1
make[1]: *** [tools/cfe-3.7.0.src/lib/Sema/CMakeFiles/clangSema.dir/all] Error
2
make: *** [all] Error 2
and also occurred on
[ 82%] Building CXX object
tools/cfe-3.7.0.src/lib/ASTMatchers/Dynamic/CMakeFiles/clangDynamicASTMatchers.dir/Registry.cpp.obj
Solution seems to be to add -Wa,-mbig-obj to the compiler arguments as hinted
in
http://stackoverflow.com/questions/16596876/object-file-has-too-many-sections.
Note this needs an updated binutils install.
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