[commit: ghc] ghc-7.2: Stop using -Wl,-no_pie on OS X (d02a197)

[Ian Lynagh]

Repository : ssh://darcs.haskell.org//srv/darcs/ghc

On branch  : ghc-7.2

http://hackage.haskell.org/trac/ghc/changeset/d02a1979d5c5eacd2c5daea7f5852a98988b4d97

>---------------------------------------------------------------

commit d02a1979d5c5eacd2c5daea7f5852a98988b4d97
Author: Ian Lynagh <igloo at earth.li>
Date:   Wed Aug 3 20:25:52 2011 +0100

    Stop using -Wl,-no_pie on OS X
    
    Now that the in-tree gmp has been upgraded, it should no longer be
    necessary, according to #5293.

>---------------------------------------------------------------

 compiler/main/DriverPipeline.hs |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs
index b1f50ac..ebd8d39 100644
--- a/compiler/main/DriverPipeline.hs
+++ b/compiler/main/DriverPipeline.hs
@@ -1666,15 +1666,13 @@ linkBinary dflags o_files dep_packages = do
                           then ["-Wl,--enable-auto-import"]
                           else [])
 
-                      -- '-no_pie' - On OS X, the linker otherwise complains that it cannot build 
-                      --             position independent code due to some offensive code in GMP.
                       -- '-no_compact_unwind'
                       --           - C++/Objective-C exceptions cannot use optimised stack
                       --             unwinding code (the optimised form is the default in Xcode 4 on
                       --             x86_64).
                       ++ (if platformOS   (targetPlatform dflags) == OSDarwin   && 
                              platformArch (targetPlatform dflags) == ArchX86_64
-                          then ["-Wl,-no_pie", "-Wl,-no_compact_unwind"]
+                          then ["-Wl,-no_compact_unwind"]
                           else [])
 
                       ++ o_files