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This matches LLD and fixes https://sourceware.org/bugzilla/show_bug.cgi?id=26262#c1 .o is a bad choice for save-temps output because it is easy to override the bitcode file (*.o) ``` # Use bfd for the example, -fuse-ld=gold is similar. clang -flto -c a.c # generate bitcode file a.o clang -fuse-ld=bfd -flto a.o -o a -Wl,-plugin-opt=save-temps # override a.o # The user repeats the command but get surprised, because a.o is now a combined module. clang -fuse-ld=bfd -flto a.o -o a -Wl,-plugin-opt=save-temps ``` Reviewed By: tejohnson Differential Revision: https://reviews.llvm.org/D84132 |
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| .. | ||
| CMakeLists.txt | ||
| gold-plugin.cpp | ||
| gold.exports | ||
| README.txt | ||
The LLVM Gold LTO Plugin ======================== This directory contains a plugin that is designed to work with binutils gold linker. At present time, this is not the default linker in binutils, and the default build of gold does not support plugins. See docs/GoldPlugin.html for complete build and usage instructions. NOTE: libLTO and LLVMgold aren't built without PIC because they would fail to link on x86-64 with a relocation error: PIC and non-PIC can't be combined. As an alternative to passing --enable-pic, you can use 'make ENABLE_PIC=1' in your entire LLVM build.