[PATCH] D37785: [Fuchsia] Set ENABLE_X86_RELAX_RELOCATIONS for Fuchsia builds

Roland McGrath via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Tue Sep 12 19:01:24 PDT 2017


mcgrathr created this revision.
Herald added a subscriber: mgorny.

This is a "Does your linker support it?" option, and all ours do.


Repository:
  rL LLVM

https://reviews.llvm.org/D37785

Files:
  cmake/caches/Fuchsia-stage2.cmake


Index: cmake/caches/Fuchsia-stage2.cmake
===================================================================
--- cmake/caches/Fuchsia-stage2.cmake
+++ cmake/caches/Fuchsia-stage2.cmake
@@ -18,6 +18,13 @@
   set(CLANG_DEFAULT_LINKER lld CACHE STRING "")
 endif()
 
+# This is a "Does your linker support it?" option that only applies
+# to x86-64 ELF targets.  All Fuchsia target linkers do support it.
+# For x86-64 Linux, it's supported by LLD and by GNU linkers since
+# binutils 2.27, so one can hope that all Linux hosts in use handle it.
+# Ideally this would be settable as a per-target option.
+set(ENABLE_X86_RELAX_RELOCATIONS ON CACHE BOOL "")
+
 if(APPLE)
   set(LLDB_CODESIGN_IDENTITY "" CACHE STRING "")
 endif()


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