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-rw-r--r--compiler/main/SysTools.hs13
1 files changed, 13 insertions, 0 deletions
diff --git a/compiler/main/SysTools.hs b/compiler/main/SysTools.hs
index 5fb92c8583..82a6383dd5 100644
--- a/compiler/main/SysTools.hs
+++ b/compiler/main/SysTools.hs
@@ -1546,6 +1546,15 @@ linesPlatform xs =
#endif
+{-
+Note [No PIE eating while linking]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+As of 2016 some Linux distributions (e.g. Debian) have started enabling -pie by
+default in their gcc builds. This is incompatible with -r as it implies that we
+are producing an executable. Consequently, we must manually pass -no-pie to gcc
+when joining object files or linking dynamic libraries. See #12759.
+-}
+
linkDynLib :: DynFlags -> [String] -> [InstalledUnitId] -> IO ()
linkDynLib dflags0 o_files dep_packages
= do
@@ -1711,6 +1720,10 @@ linkDynLib dflags0 o_files dep_packages
++ [ Option "-o"
, FileOption "" output_fn
]
+#if GCC_SUPPORTS_NO_PIE
+ -- See Note [No PIE eating when linking]
+ ++ [ Option "-no-pie" ]
+#endif
++ map Option o_files
++ [ Option "-shared" ]
++ map Option bsymbolicFlag