ghc: always use ld.gold

gold is known to speed up GHC builds considerably, saving up to many seconds
when linking large Haskell applications, so this patch configures all
non-binary GHC derivations to use gold.

6 files changed, 7 insertions, 6 deletions

diff --git a/pkgs/development/compilers/ghc/8.2.2.nix b/pkgs/development/compilers/ghc/8.2.2.nix
index 9b942da25a6..ba4933363c1 100644
--- a/pkgs/development/compilers/ghc/8.2.2.nix
+++ b/pkgs/development/compilers/ghc/8.2.2.nix
@@ -166,7 +166,7 @@ stdenv.mkDerivation (rec {
     export CC="${targetCC}/bin/${targetCC.targetPrefix}cc"
     export CXX="${targetCC}/bin/${targetCC.targetPrefix}cxx"
     # Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177
-    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld${stdenv.lib.optionalString targetPlatform.isAarch32 ".gold"}"
+    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld.gold"
     export AS="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}as"
     export AR="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ar"
     export NM="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}nm"
diff --git a/pkgs/development/compilers/ghc/8.4.4.nix b/pkgs/development/compilers/ghc/8.4.4.nix
index a355f57a5c7..a90af60de43 100644
--- a/pkgs/development/compilers/ghc/8.4.4.nix
+++ b/pkgs/development/compilers/ghc/8.4.4.nix
@@ -126,7 +126,7 @@ stdenv.mkDerivation (rec {
     export CC="${targetCC}/bin/${targetCC.targetPrefix}cc"
     export CXX="${targetCC}/bin/${targetCC.targetPrefix}cxx"
     # Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177
-    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld${stdenv.lib.optionalString targetPlatform.isAarch32 ".gold"}"
+    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld.gold"
     export AS="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}as"
     export AR="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ar"
     export NM="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}nm"
diff --git a/pkgs/development/compilers/ghc/8.6.4.nix b/pkgs/development/compilers/ghc/8.6.4.nix
index ff9ef0a5c38..97ca95812d6 100644
--- a/pkgs/development/compilers/ghc/8.6.4.nix
+++ b/pkgs/development/compilers/ghc/8.6.4.nix
@@ -125,7 +125,7 @@ stdenv.mkDerivation (rec {
     export CC="${targetCC}/bin/${targetCC.targetPrefix}cc"
     export CXX="${targetCC}/bin/${targetCC.targetPrefix}cxx"
     # Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177
-    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld${stdenv.lib.optionalString targetPlatform.isAarch32 ".gold"}"
+    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld.gold"
     export AS="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}as"
     export AR="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ar"
     export NM="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}nm"
diff --git a/pkgs/development/compilers/ghc/8.6.5.nix b/pkgs/development/compilers/ghc/8.6.5.nix
index 44ad6da2ff5..d264cfda2a3 100644
--- a/pkgs/development/compilers/ghc/8.6.5.nix
+++ b/pkgs/development/compilers/ghc/8.6.5.nix
@@ -125,7 +125,7 @@ stdenv.mkDerivation (rec {
     export CC="${targetCC}/bin/${targetCC.targetPrefix}cc"
     export CXX="${targetCC}/bin/${targetCC.targetPrefix}cxx"
     # Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177
-    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld${stdenv.lib.optionalString targetPlatform.isAarch32 ".gold"}"
+    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld.gold"
     export AS="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}as"
     export AR="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ar"
     export NM="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}nm"
diff --git a/pkgs/development/compilers/ghc/8.8.1.nix b/pkgs/development/compilers/ghc/8.8.1.nix
index 07b9cd1e1aa..6899ad4fd48 100644
--- a/pkgs/development/compilers/ghc/8.8.1.nix
+++ b/pkgs/development/compilers/ghc/8.8.1.nix
@@ -110,7 +110,7 @@ stdenv.mkDerivation (rec {
     export CC="${targetCC}/bin/${targetCC.targetPrefix}cc"
     export CXX="${targetCC}/bin/${targetCC.targetPrefix}cxx"
     # Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177
-    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld${stdenv.lib.optionalString targetPlatform.isAarch32 ".gold"}"
+    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld.gold"
     export AS="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}as"
     export AR="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ar"
     export NM="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}nm"
diff --git a/pkgs/development/compilers/ghc/head.nix b/pkgs/development/compilers/ghc/head.nix
index 2edb49bd463..539d0408681 100644
--- a/pkgs/development/compilers/ghc/head.nix
+++ b/pkgs/development/compilers/ghc/head.nix
@@ -119,7 +119,8 @@ stdenv.mkDerivation (rec {
     export CC="${targetCC}/bin/${targetCC.targetPrefix}cc"
     export CXX="${targetCC}/bin/${targetCC.targetPrefix}cxx"
     # Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177
-    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld${stdenv.lib.optionalString targetPlatform.isAarch32 ".gold"}"
+    # and more generally have a faster linker.
+    export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld.gold"
     export AS="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}as"
     export AR="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ar"
     export NM="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}nm"