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History

Peter Collingbourne 470083dc27 Use absolute path to exportsfile in gold plugin CMake build. (Ninja generator requirement.) llvm-svn: 143783		2011-11-05 04:17:20 +00:00
..
CMakeLists.txt	Use absolute path to exportsfile in gold plugin CMake build.	2011-11-05 04:17:20 +00:00
gold-plugin.cpp	use 64-bit types instead of off_t/size_t to avoid the issue when	2011-09-15 23:13:00 +00:00
gold.exports
Makefile	build: Tidy up a bunch of tool Makefiles, and simplify where possible using the	2011-10-18 19:27:24 +00:00
README.txt

README.txt

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.

Obtaining binutils:

  cvs -z 9 -d :pserver:anoncvs@sourceware.org:/cvs/src login
  {enter "anoncvs" as the password}
  cvs -z 9 -d :pserver:anoncvs@sourceware.org:/cvs/src co binutils

This will create a src/ directory. Make a build/ directory and from
there configure binutils with "../src/configure --enable-gold --enable-plugins".
Then build binutils with "make all-gold".

To build the LLVMgold plugin, configure LLVM with the option
--with-binutils-include=/path/to/binutils/src/include/ --enable-pic. To use the
plugin, run "ld-new --plugin /path/to/LLVMgold.so".
Without PIC libLTO and LLVMgold are not being built (because they would fail
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.