[llvm-dev] [llvm-toolchain v3.8.1] LTO: Linking clang hangs with ld.gold and LLVMgold.so plugin
Sedat Dilek via llvm-dev
llvm-dev at lists.llvm.org
Thu Jul 21 03:01:59 PDT 2016
unfortunately, my build somehow hangs when linking clang binary and my
system is in an unusable state.
My toolchain is clang-3.8, gold-1.11 and LLVMgold.so from binutils
v2.26.1 (both selfmade) and LTO-flag is enabled.
My buildsystem uses cmake-3.6.0 and ninja-1.7.1 (both prebuilt).
I have 52 last steps left in my 3rd build.
My Linux-kernel is v3.13.0-92 from official Ubuntu repositories.
On my Ubuntu/precise AMD64 I have ***4GiB RAM and 256MiB SWAP***.
Is this not enough RAM/SWAP for building/linking?
Need some additional informations?
Any help appreciated.
- Sedat -
P.S.: More informations...
[ First toolchain build ]
I built a 1st llvm-toolchain v3.8.1 with GCC v4.9.2 and binutils v2.22.
No speedup settings, no extra-patches applied etc.
[ Selfmade binutils ]
As binutils v2.22 was somehow not able to generate a LLVMgold.so on
Ubuntu/precise AMD64, I have built binutils v2.26.1 manually and use
all its binaries for building/linking (GOLD for linking).
[ 2nd llvm-toolchain LLVMgold.so ]
In a 2nd llvm-toolchain v3.8.1 build a LLVMgold.so was generated.
I placed LLVMgold.so into my selfmade
( I had to create a bfd-plugins subdir manually. )
[ 3rd llvm-toolchain LTO ]
Now, I am able with backported LTO-flag from upstream to build with '-flto'.
- EOT -
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