diff --git a/pkgs/development/compilers/ghc/8.10.2-binary.nix b/pkgs/development/compilers/ghc/8.10.2-binary.nix
index 93ebca2b6c4a..a29a5b0b5ab6 100644
--- a/pkgs/development/compilers/ghc/8.10.2-binary.nix
+++ b/pkgs/development/compilers/ghc/8.10.2-binary.nix
@@ -3,6 +3,8 @@
 , ncurses5
 , ncurses6, gmp, libiconv, numactl
 , llvmPackages
+, coreutils
+, targetPackages
 
   # minimal = true; will remove files that aren't strictly necessary for
   # regular builds and GHC bootstrapping.
@@ -140,6 +142,19 @@ let
   libEnvVar = lib.optionalString stdenv.hostPlatform.isDarwin "DY"
     + "LD_LIBRARY_PATH";
 
+  runtimeDeps = [
+    targetPackages.stdenv.cc
+    targetPackages.stdenv.cc.bintools
+    coreutils # for cat
+  ]
+  ++ lib.optionals useLLVM [
+    (lib.getBin llvmPackages.llvm)
+  ]
+  # On darwin, we need unwrapped bintools as well (for otool)
+  ++ lib.optionals (stdenv.targetPlatform.linker == "cctools") [
+    targetPackages.stdenv.cc.bintools.bintools
+  ];
+
 in
 
 stdenv.mkDerivation rec {
@@ -156,7 +171,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ perl ];
   propagatedBuildInputs =
-    lib.optionals useLLVM [ llvmPackages.llvm ]
     # Because musl bindists currently provide no way to tell where
     # libgmp is (see not [musl bindists have no .buildinfo]), we need
     # to propagate `gmp`, otherwise programs built by this ghc will
@@ -177,7 +191,7 @@ stdenv.mkDerivation rec {
     # fixing the above-mentioned release issue,
     # and for GHC >= 9.* it is not clear as of writing whether that switch
     # will be made there too.
-    ++ lib.optionals stdenv.hostPlatform.isMusl [ gmp ]; # musl bindist needs this
+    lib.optionals stdenv.hostPlatform.isMusl [ gmp ]; # musl bindist needs this
 
   # Set LD_LIBRARY_PATH or equivalent so that the programs running as part
   # of the bindist installer can find the libraries they expect.
@@ -278,6 +292,15 @@ stdenv.mkDerivation rec {
   # calls install-strip ...
   dontBuild = true;
 
+  # Patch scripts to include runtime dependencies in $PATH.
+  postInstall = ''
+    for i in "$out/bin/"*; do
+      test ! -h "$i" || continue
+      isScript "$i" || continue
+      sed -i -e '2i export PATH="${lib.makeBinPath runtimeDeps}:$PATH"' "$i"
+    done
+  '';
+
   # Apparently necessary for the ghc Alpine (musl) bindist:
   # When we strip, and then run the
   #     patchelf --set-rpath "${libPath}:$(patchelf --print-rpath $p)" $p
@@ -360,7 +383,6 @@ stdenv.mkDerivation rec {
 
   doInstallCheck = true;
   installCheckPhase = ''
-    unset ${libEnvVar}
     # Sanity check, can ghc create executables?
     cd $TMP
     mkdir test-ghc; cd test-ghc
@@ -369,7 +391,9 @@ stdenv.mkDerivation rec {
       module Main where
       main = putStrLn \$([|"yes"|])
     EOF
-    $out/bin/ghc --make main.hs || exit 1
+    # can't use env -i here because otherwise we don't find -lgmp on musl
+    env ${libEnvVar}= PATH= \
+      $out/bin/ghc --make main.hs || exit 1
     echo compilation ok
     [ $(./main) == "yes" ]
   '';
diff --git a/pkgs/development/compilers/ghc/8.10.7-binary.nix b/pkgs/development/compilers/ghc/8.10.7-binary.nix
index a8ec751d2d24..7b10f60affda 100644
--- a/pkgs/development/compilers/ghc/8.10.7-binary.nix
+++ b/pkgs/development/compilers/ghc/8.10.7-binary.nix
@@ -3,6 +3,8 @@
 , ncurses5
 , ncurses6, gmp, libiconv, numactl
 , llvmPackages
+, coreutils
+, targetPackages
 
   # minimal = true; will remove files that aren't strictly necessary for
   # regular builds and GHC bootstrapping.
@@ -155,6 +157,19 @@ let
   libEnvVar = lib.optionalString stdenv.hostPlatform.isDarwin "DY"
     + "LD_LIBRARY_PATH";
 
+  runtimeDeps = [
+    targetPackages.stdenv.cc
+    targetPackages.stdenv.cc.bintools
+    coreutils # for cat
+  ]
+  ++ lib.optionals useLLVM [
+    (lib.getBin llvmPackages.llvm)
+  ]
+  # On darwin, we need unwrapped bintools as well (for otool)
+  ++ lib.optionals (stdenv.targetPlatform.linker == "cctools") [
+    targetPackages.stdenv.cc.bintools.bintools
+  ];
+
 in
 
 stdenv.mkDerivation rec {
@@ -175,9 +190,6 @@ stdenv.mkDerivation rec {
   #       and update this comment accordingly.
 
   nativeBuildInputs = [ perl ];
-  propagatedBuildInputs =
-    lib.optionals useLLVM [ llvmPackages.llvm ]
-    ;
 
   # Set LD_LIBRARY_PATH or equivalent so that the programs running as part
   # of the bindist installer can find the libraries they expect.
@@ -278,6 +290,15 @@ stdenv.mkDerivation rec {
   # calls install-strip ...
   dontBuild = true;
 
+  # Patch scripts to include runtime dependencies in $PATH.
+  postInstall = ''
+    for i in "$out/bin/"*; do
+      test ! -h "$i" || continue
+      isScript "$i" || continue
+      sed -i -e '2i export PATH="${lib.makeBinPath runtimeDeps}:$PATH"' "$i"
+    done
+  '';
+
   # Apparently necessary for the ghc Alpine (musl) bindist:
   # When we strip, and then run the
   #     patchelf --set-rpath "${libPath}:$(patchelf --print-rpath $p)" $p
@@ -360,7 +381,6 @@ stdenv.mkDerivation rec {
 
   doInstallCheck = true;
   installCheckPhase = ''
-    unset ${libEnvVar}
     # Sanity check, can ghc create executables?
     cd $TMP
     mkdir test-ghc; cd test-ghc
@@ -369,7 +389,7 @@ stdenv.mkDerivation rec {
       module Main where
       main = putStrLn \$([|"yes"|])
     EOF
-    $out/bin/ghc --make main.hs || exit 1
+    env -i $out/bin/ghc --make main.hs || exit 1
     echo compilation ok
     [ $(./main) == "yes" ]
   '';
diff --git a/pkgs/development/compilers/ghc/8.10.7.nix b/pkgs/development/compilers/ghc/8.10.7.nix
index f0c57f7fae8b..bfcd53141fa0 100644
--- a/pkgs/development/compilers/ghc/8.10.7.nix
+++ b/pkgs/development/compilers/ghc/8.10.7.nix
@@ -132,9 +132,15 @@ let
   useLdGold = targetPlatform.linker == "gold" ||
     (targetPlatform.linker == "bfd" && (targetPackages.stdenv.cc.bintools.bintools.hasGold or false) && !targetPlatform.isMusl);
 
+  # Tools GHC will need to call at runtime. Some of these were handled using
+  # propagatedBuildInputs before, however this allowed for GHC environment and
+  # a derivations build environment to interfere, especially when GHC is built.
   runtimeDeps = [
+    targetPackages.stdenv.cc
     targetPackages.stdenv.cc.bintools
-    coreutils
+    coreutils # for cat
+  ] ++ lib.optionals useLLVM [
+    (lib.getBin llvmPackages.llvm)
   ]
   # On darwin, we need unwrapped bintools as well (for otool)
   ++ lib.optionals (stdenv.targetPlatform.linker == "cctools") [
@@ -290,9 +296,6 @@ stdenv.mkDerivation (rec {
 
   buildInputs = [ perl bash ] ++ (libDeps hostPlatform);
 
-  propagatedBuildInputs = [ targetPackages.stdenv.cc ]
-    ++ lib.optional useLLVM llvmPackages.llvm;
-
   depsTargetTarget = map lib.getDev (libDeps targetPlatform);
   depsTargetTargetPropagated = map (lib.getOutput "out") (libDeps targetPlatform);
 
@@ -321,11 +324,11 @@ stdenv.mkDerivation (rec {
     # Install the bash completion file.
     install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc
 
-    # Patch scripts to include "readelf" and "cat" in $PATH.
+    # Patch scripts to include runtime dependencies in $PATH.
     for i in "$out/bin/"*; do
-      test ! -h $i || continue
-      egrep --quiet '^#!' <(head -n 1 $i) || continue
-      sed -i -e '2i export PATH="$PATH:${lib.makeBinPath runtimeDeps}"' $i
+      test ! -h "$i" || continue
+      isScript "$i" || continue
+      sed -i -e '2i export PATH="${lib.makeBinPath runtimeDeps}:$PATH"' "$i"
     done
   '';
 
diff --git a/pkgs/development/compilers/ghc/8.6.5-binary.nix b/pkgs/development/compilers/ghc/8.6.5-binary.nix
index e8ae6761be8d..22bfae79c0ce 100644
--- a/pkgs/development/compilers/ghc/8.6.5-binary.nix
+++ b/pkgs/development/compilers/ghc/8.6.5-binary.nix
@@ -2,6 +2,8 @@
 , fetchurl, perl, gcc
 , ncurses5, ncurses6, gmp, glibc, libiconv
 , llvmPackages
+, coreutils
+, targetPackages
 }:
 
 # Prebuilt only does native
@@ -30,6 +32,19 @@ let
 
   downloadsUrl = "https://downloads.haskell.org/ghc";
 
+  runtimeDeps = [
+    targetPackages.stdenv.cc
+    targetPackages.stdenv.cc.bintools
+    coreutils # for cat
+  ]
+  ++ lib.optionals useLLVM [
+    (lib.getBin llvmPackages.llvm)
+  ]
+  # On darwin, we need unwrapped bintools as well (for otool)
+  ++ lib.optionals (stdenv.targetPlatform.linker == "cctools") [
+    targetPackages.stdenv.cc.bintools.bintools
+  ];
+
 in
 
 stdenv.mkDerivation rec {
@@ -62,7 +77,6 @@ stdenv.mkDerivation rec {
     or (throw "cannot bootstrap GHC on this platform"));
 
   nativeBuildInputs = [ perl ];
-  propagatedBuildInputs = lib.optionals useLLVM [ llvmPackages.llvm ];
 
   # Cannot patchelf beforehand due to relative RPATHs that anticipate
   # the final install location/
@@ -130,6 +144,15 @@ stdenv.mkDerivation rec {
   # calls install-strip ...
   dontBuild = true;
 
+  # Patch scripts to include runtime dependencies in $PATH.
+  postInstall = ''
+    for i in "$out/bin/"*; do
+      test ! -h "$i" || continue
+      isScript "$i" || continue
+      sed -i -e '2i export PATH="${lib.makeBinPath runtimeDeps}:$PATH"' "$i"
+    done
+  '';
+
   # On Linux, use patchelf to modify the executables so that they can
   # find editline/gmp.
   postFixup = lib.optionalString stdenv.isLinux ''
@@ -163,7 +186,6 @@ stdenv.mkDerivation rec {
 
   doInstallCheck = true;
   installCheckPhase = ''
-    unset ${libEnvVar}
     # Sanity check, can ghc create executables?
     cd $TMP
     mkdir test-ghc; cd test-ghc
@@ -172,7 +194,7 @@ stdenv.mkDerivation rec {
       module Main where
       main = putStrLn \$([|"yes"|])
     EOF
-    $out/bin/ghc --make main.hs || exit 1
+    env -i $out/bin/ghc --make main.hs || exit 1
     echo compilation ok
     [ $(./main) == "yes" ]
   '';
diff --git a/pkgs/development/compilers/ghc/8.8.4.nix b/pkgs/development/compilers/ghc/8.8.4.nix
index e0f6c84637b2..c3efc2f2a7ba 100644
--- a/pkgs/development/compilers/ghc/8.8.4.nix
+++ b/pkgs/development/compilers/ghc/8.8.4.nix
@@ -140,9 +140,15 @@ let
   useLdGold = targetPlatform.linker == "gold" ||
     (targetPlatform.linker == "bfd" && (targetPackages.stdenv.cc.bintools.bintools.hasGold or false) && !targetPlatform.isMusl);
 
+  # Tools GHC will need to call at runtime. Some of these were handled using
+  # propagatedBuildInputs before, however this allowed for GHC environment and
+  # a derivations build environment to interfere, especially when GHC is built.
   runtimeDeps = [
+    targetPackages.stdenv.cc
     targetPackages.stdenv.cc.bintools
-    coreutils
+    coreutils # for cat
+  ] ++ lib.optionals useLLVM [
+    (lib.getBin llvmPackages.llvm)
   ]
   # On darwin, we need unwrapped bintools as well (for otool)
   ++ lib.optionals (stdenv.targetPlatform.linker == "cctools") [
@@ -293,9 +299,6 @@ stdenv.mkDerivation (rec {
 
   buildInputs = [ perl bash ] ++ (libDeps hostPlatform);
 
-  propagatedBuildInputs = [ targetPackages.stdenv.cc ]
-    ++ lib.optional useLLVM llvmPackages.llvm;
-
   depsTargetTarget = map lib.getDev (libDeps targetPlatform);
   depsTargetTargetPropagated = map (lib.getOutput "out") (libDeps targetPlatform);
 
@@ -320,11 +323,11 @@ stdenv.mkDerivation (rec {
     # Install the bash completion file.
     install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc
 
-    # Patch scripts to include "readelf" and "cat" in $PATH.
+    # Patch scripts to include runtime dependencies in $PATH.
     for i in "$out/bin/"*; do
-      test ! -h $i || continue
-      egrep --quiet '^#!' <(head -n 1 $i) || continue
-      sed -i -e '2i export PATH="$PATH:${lib.makeBinPath runtimeDeps}"' $i
+      test ! -h "$i" || continue
+      isScript "$i" || continue
+      sed -i -e '2i export PATH="${lib.makeBinPath runtimeDeps}:$PATH"' "$i"
     done
   '';
 
diff --git a/pkgs/development/compilers/ghc/9.0.1.nix b/pkgs/development/compilers/ghc/9.0.1.nix
index 005333a8d83e..e7da05871070 100644
--- a/pkgs/development/compilers/ghc/9.0.1.nix
+++ b/pkgs/development/compilers/ghc/9.0.1.nix
@@ -127,9 +127,15 @@ let
   useLdGold = targetPlatform.linker == "gold" ||
     (targetPlatform.linker == "bfd" && (targetPackages.stdenv.cc.bintools.bintools.hasGold or false) && !targetPlatform.isMusl);
 
+  # Tools GHC will need to call at runtime. Some of these were handled using
+  # propagatedBuildInputs before, however this allowed for GHC environment and
+  # a derivations build environment to interfere, especially when GHC is built.
   runtimeDeps = [
+    targetPackages.stdenv.cc
     targetPackages.stdenv.cc.bintools
-    coreutils
+    coreutils # for cat
+  ] ++ lib.optionals useLLVM [
+    (lib.getBin llvmPackages.llvm)
   ]
   # On darwin, we need unwrapped bintools as well (for otool)
   ++ lib.optionals (stdenv.targetPlatform.linker == "cctools") [
@@ -255,9 +261,6 @@ stdenv.mkDerivation (rec {
 
   buildInputs = [ perl bash ] ++ (libDeps hostPlatform);
 
-  propagatedBuildInputs = [ targetPackages.stdenv.cc ]
-    ++ lib.optional useLLVM llvmPackages.llvm;
-
   depsTargetTarget = map lib.getDev (libDeps targetPlatform);
   depsTargetTargetPropagated = map (lib.getOutput "out") (libDeps targetPlatform);
 
@@ -286,11 +289,11 @@ stdenv.mkDerivation (rec {
     # Install the bash completion file.
     install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc
 
-    # Patch scripts to include "readelf" and "cat" in $PATH.
+    # Patch scripts to include runtime dependencies in $PATH.
     for i in "$out/bin/"*; do
-      test ! -h $i || continue
-      egrep --quiet '^#!' <(head -n 1 $i) || continue
-      sed -i -e '2i export PATH="$PATH:${lib.makeBinPath runtimeDeps}"' $i
+      test ! -h "$i" || continue
+      isScript "$i" || continue
+      sed -i -e '2i export PATH="${lib.makeBinPath runtimeDeps}:$PATH"' "$i"
     done
   '';
 
diff --git a/pkgs/development/compilers/ghc/9.2.1.nix b/pkgs/development/compilers/ghc/9.2.1.nix
index 2ebbdc63ac93..2401a8900530 100644
--- a/pkgs/development/compilers/ghc/9.2.1.nix
+++ b/pkgs/development/compilers/ghc/9.2.1.nix
@@ -12,7 +12,8 @@
 , # GHC can be built with system libffi or a bundled one.
   libffi ? null
 
-, useLLVM ? !stdenv.targetPlatform.isx86
+, useLLVM ? !(stdenv.targetPlatform.isx86
+              || (stdenv.targetPlatform.isAarch64 && stdenv.targetPlatform.isDarwin))
 , # LLVM is conceptually a run-time-only depedendency, but for
   # non-x86, we need LLVM to bootstrap later stages, so it becomes a
   # build-time dependency too.
@@ -126,9 +127,15 @@ let
   # see #84670 and #49071 for more background.
   useLdGold = targetPlatform.linker == "gold" || (targetPlatform.linker == "bfd" && !targetPlatform.isMusl);
 
+  # Tools GHC will need to call at runtime. Some of these were handled using
+  # propagatedBuildInputs before, however this allowed for GHC environment and
+  # a derivations build environment to interfere, especially when GHC is built.
   runtimeDeps = [
+    targetPackages.stdenv.cc
     targetPackages.stdenv.cc.bintools
-    coreutils
+    coreutils # for cat
+  ] ++ lib.optionals useLLVM [
+    (lib.getBin llvmPackages.llvm)
   ]
   # On darwin, we need unwrapped bintools as well (for otool)
   ++ lib.optionals (stdenv.targetPlatform.linker == "cctools") [
@@ -258,9 +265,6 @@ stdenv.mkDerivation (rec {
 
   buildInputs = [ perl bash ] ++ (libDeps hostPlatform);
 
-  propagatedBuildInputs = [ targetPackages.stdenv.cc ]
-    ++ lib.optional useLLVM llvmPackages.llvm;
-
   depsTargetTarget = map lib.getDev (libDeps targetPlatform);
   depsTargetTargetPropagated = map (lib.getOutput "out") (libDeps targetPlatform);
 
@@ -289,11 +293,11 @@ stdenv.mkDerivation (rec {
     # Install the bash completion file.
     install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc
 
-    # Patch scripts to include "readelf" and "cat" in $PATH.
+    # Patch scripts to include runtime dependencies in $PATH.
     for i in "$out/bin/"*; do
-      test ! -h $i || continue
-      egrep --quiet '^#!' <(head -n 1 $i) || continue
-      sed -i -e '2i export PATH="$PATH:${lib.makeBinPath runtimeDeps}"' $i
+      test ! -h "$i" || continue
+      isScript "$i" || continue
+      sed -i -e '2i export PATH="${lib.makeBinPath runtimeDeps}:$PATH"' "$i"
     done
   '';
 
diff --git a/pkgs/development/compilers/ghc/head.nix b/pkgs/development/compilers/ghc/head.nix
index f50b3b76e15d..5be02df13b4a 100644
--- a/pkgs/development/compilers/ghc/head.nix
+++ b/pkgs/development/compilers/ghc/head.nix
@@ -17,7 +17,8 @@
                 !stdenv.targetPlatform.isWindows
 , elfutils # for DWARF support
 
-, useLLVM ? !stdenv.targetPlatform.isx86 || stdenv.targetPlatform.isiOS
+, useLLVM ? !(stdenv.targetPlatform.isx86
+              || (stdenv.targetPlatform.isAarch64 && stdenv.targetPlatform.isDarwin))
 , # LLVM is conceptually a run-time-only depedendency, but for
   # non-x86, we need LLVM to bootstrap later stages, so it becomes a
   # build-time dependency too.
@@ -140,9 +141,15 @@ let
   useLdGold = targetPlatform.linker == "gold" ||
     (targetPlatform.linker == "bfd" && (targetPackages.stdenv.cc.bintools.bintools.hasGold or false) && !targetPlatform.isMusl);
 
+  # Tools GHC will need to call at runtime. Some of these were handled using
+  # propagatedBuildInputs before, however this allowed for GHC environment and
+  # a derivations build environment to interfere, especially when GHC is built.
   runtimeDeps = [
+    targetPackages.stdenv.cc
     targetPackages.stdenv.cc.bintools
-    coreutils
+    coreutils # for cat
+  ] ++ lib.optionals useLLVM [
+    (lib.getBin llvmPackages.llvm)
   ]
   # On darwin, we need unwrapped bintools as well (for otool)
   ++ lib.optionals (stdenv.targetPlatform.linker == "cctools") [
@@ -278,9 +285,6 @@ stdenv.mkDerivation (rec {
 
   buildInputs = [ perl bash ] ++ (libDeps hostPlatform);
 
-  propagatedBuildInputs = [ targetPackages.stdenv.cc ]
-    ++ lib.optional useLLVM llvmPackages.llvm;
-
   depsTargetTarget = map lib.getDev (libDeps targetPlatform);
   depsTargetTargetPropagated = map (lib.getOutput "out") (libDeps targetPlatform);
 
@@ -309,11 +313,11 @@ stdenv.mkDerivation (rec {
     # Install the bash completion file.
     install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc
 
-    # Patch scripts to include "readelf" and "cat" in $PATH.
+    # Patch scripts to include runtime dependencies in $PATH.
     for i in "$out/bin/"*; do
-      test ! -h $i || continue
-      egrep --quiet '^#!' <(head -n 1 $i) || continue
-      sed -i -e '2i export PATH="$PATH:${lib.makeBinPath runtimeDeps}"' $i
+      test ! -h "$i" || continue
+      isScript "$i" || continue
+      sed -i -e '2i export PATH="${lib.makeBinPath runtimeDeps}:$PATH"' "$i"
     done
   '';
 
diff --git a/pkgs/development/haskell-modules/with-packages-wrapper.nix b/pkgs/development/haskell-modules/with-packages-wrapper.nix
index f7bebbc4aa07..e5fe60a0ae5c 100644
--- a/pkgs/development/haskell-modules/with-packages-wrapper.nix
+++ b/pkgs/development/haskell-modules/with-packages-wrapper.nix
@@ -1,14 +1,8 @@
 { lib, stdenv, ghc, llvmPackages, packages, symlinkJoin, makeWrapper
-# Include LLVM by default if GHC doesn't have native code generation support
-# See https://gitlab.haskell.org/ghc/ghc/-/wikis/platforms
-, useLLVM ? !(lib.any lib.id ([
-    stdenv.targetPlatform.isx86
-    stdenv.targetPlatform.isPowerPC
-    stdenv.targetPlatform.isSparc
-  ] ++ lib.optionals (lib.versionAtLeast ghc.version "9.2") [
-    (stdenv.targetPlatform.isAarch64 && stdenv.targetPlatform.isDarwin)
-    # TODO(@sternenseemann): Is armv7a supported for iOS?
-  ]))
+# GHC will have LLVM available if necessary for the respective target,
+# so useLLVM only needs to be changed if -fllvm is to be used for a
+# platform that has NCG support
+, useLLVM ? false
 , postBuild ? ""
 , ghcLibdir ? null # only used by ghcjs, when resolving plugins
 }: