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09b5d90429
llvm/tools/gold
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Duncan Sands 09b5d90429 Include config.h in order to have HAVE_STDINT_H be defined. 
In the latest binutils the plugin-api.h needs this - without
it the LLVM gold plugin fails to compile.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84861 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22 16:03:32 +00:00
..
gold-plugin.cpp Include config.h in order to have HAVE_STDINT_H be defined. 2009-10-22 16:03:32 +00:00
Makefile Fix Makefile to build correctly on Darwin. Patch by Sandeep Patel! 2009-10-11 23:10:09 +00:00
README.txt mention that PIC is needed for libLTO and libLLVMgold 2009-02-04 19:12:25 +00:00

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/libLLVMgold.so".
Without PIC libLTO and libLLVMgold 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.