https://llvm.org/bugs/show_bug.cgi?id=28841
Bug ID: 28841
Summary: Cannot build 3.9 on Ubuntu precise
Product: Build scripts
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: cmake
Assignee: unassignedb...@nondot.org
Reporter: sylves...@debian.org
CC: llvm-bugs@lists.llvm.org
Blocks: 28600
Classification: Unclassified
On an Ubuntu precise (still supported), using the 4.9 backport (
https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/test )
The build of llvm 3.9 is failing with:
objcopy: unrecognized option '--extract-dwo'
More:
-- Check for working CXX compiler: /usr/bin/g++-4.9
-- Check for working CXX compiler: /usr/bin/g++-4.9 -- broken
CMake Error at /tmp/cmake/share/cmake-3.4/Modules/CMakeTestCXXCompiler.cmake:54
(message):
The C++ compiler "/usr/bin/g++-4.9" is not able to compile a simple test
program.
It fails with the following output:
Change Dir:
/tmp/buildd/llvm-toolchain-3.9-3.9~svn277639/build-llvm/CMakeFiles/CMakeTmp
Run Build Command:"/usr/bin/make" "cmTC_bd08e/fast"
make[2]: Entering directory
`/tmp/buildd/llvm-toolchain-3.9-3.9~svn277639/build-llvm/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_bd08e.dir/build.make
CMakeFiles/cmTC_bd08e.dir/build
make[3]: Entering directory
`/tmp/buildd/llvm-toolchain-3.9-3.9~svn277639/build-llvm/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_bd08e.dir/testCXXCompiler.cxx.o
/usr/bin/g++-4.9 -std=c++0x -gsplit-dwarf -o
CMakeFiles/cmTC_bd08e.dir/testCXXCompiler.cxx.o -c
"/tmp/buildd/llvm-toolchain-3.9-3.9~svn277639/build-llvm/CMakeFiles/CMakeTmp/testCXXCompiler.cxx"
objcopy: unrecognized option '--extract-dwo'
Usage: objcopy [option(s)] in-file [out-file]
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