diff --git a/pkgs/build-support/cc-wrapper/add-clang-cc-cflags-before.sh b/pkgs/build-support/cc-wrapper/add-clang-cc-cflags-before.sh
new file mode 100644
index 000000000000..f943b8504683
--- /dev/null
+++ b/pkgs/build-support/cc-wrapper/add-clang-cc-cflags-before.sh
@@ -0,0 +1,11 @@
+needsTarget=true
+
+for p in "${params[@]}"; do
+    case "$p" in
+    -target | --target=*) needsTarget=false ;;
+    esac
+done
+
+if $needsTarget; then
+    extraBefore+=(-target @defaultTarget@)
+fi
diff --git a/pkgs/build-support/cc-wrapper/cc-wrapper.sh b/pkgs/build-support/cc-wrapper/cc-wrapper.sh
index b8049dafb983..651519490aa4 100644
--- a/pkgs/build-support/cc-wrapper/cc-wrapper.sh
+++ b/pkgs/build-support/cc-wrapper/cc-wrapper.sh
@@ -29,7 +29,6 @@ cc1=0
 cxxInclude=1
 cxxLibrary=1
 cInclude=1
-needsTarget=@needsTarget@
 
 expandResponseParams "$@"
 linkType=$(checkLinkType "${params[@]}")
@@ -47,7 +46,6 @@ while (( "$n" < "$nParams" )); do
         -nostdinc) cInclude=0 cxxInclude=0 ;;
         -nostdinc++) cxxInclude=0 ;;
         -nostdlib) cxxLibrary=0 ;;
-        -target|--target=*) needsTarget=0;;
         -x)
             case "$p2" in
                 *-header) dontLink=1 ;;
@@ -161,8 +159,8 @@ if [ "$dontLink" != 1 ]; then
     export NIX_LINK_TYPE_@suffixSalt@=$linkType
 fi
 
-if [ $needsTarget == 1 ]; then
-    extraAfter+=(-target @defaultTarget@)
+if [[ -e @out@/nix-support/add-local-cc-cflags-before.sh ]]; then
+    source @out@/nix-support/add-local-cflags-before.sh
 fi
 
 # As a very special hack, if the arguments are just `-v', then don't
diff --git a/pkgs/build-support/cc-wrapper/default.nix b/pkgs/build-support/cc-wrapper/default.nix
index 1fc0491cbec7..5be2589088ba 100644
--- a/pkgs/build-support/cc-wrapper/default.nix
+++ b/pkgs/build-support/cc-wrapper/default.nix
@@ -208,7 +208,6 @@ stdenv.mkDerivation {
     + ''
       export named_cc=${targetPrefix}cc
       export named_cxx=${targetPrefix}c++
-      export needsTarget=0
 
       if [ -e $ccPath/${targetPrefix}gcc ]; then
         wrap ${targetPrefix}gcc $wrapper $ccPath/${targetPrefix}gcc
@@ -216,8 +215,6 @@ stdenv.mkDerivation {
         export named_cc=${targetPrefix}gcc
         export named_cxx=${targetPrefix}g++
       elif [ -e $ccPath/clang ]; then
-        needsTarget=1
-        export defaultTarget=${targetPlatform.config}
         wrap ${targetPrefix}clang $wrapper $ccPath/clang
         ln -s ${targetPrefix}clang $out/bin/${targetPrefix}cc
         export named_cc=${targetPrefix}clang
@@ -228,8 +225,6 @@ stdenv.mkDerivation {
         wrap ${targetPrefix}g++ $wrapper $ccPath/${targetPrefix}g++
         ln -s ${targetPrefix}g++ $out/bin/${targetPrefix}c++
       elif [ -e $ccPath/clang++ ]; then
-        needsTarget=1
-        export defaultTarget=${targetPlatform.config}
         wrap ${targetPrefix}clang++ $wrapper $ccPath/clang++
         ln -s ${targetPrefix}clang++ $out/bin/${targetPrefix}c++
       fi
@@ -519,6 +514,15 @@ stdenv.mkDerivation {
       substituteAll ${../wrapper-common/utils.bash} $out/nix-support/utils.bash
     ''
 
+    ##
+    ## General Clang support
+    ## Needs to go after ^ because the for loop eats \n and makes this file an invalid script
+    ##
+    + optionalString isClang ''
+      export defaultTarget=${targetPlatform.config}
+      substituteAll ${./add-clang-cc-cflags-before.sh} $out/nix-support/add-local-cc-cflags-before.sh
+    ''
+
     ##
     ## Extra custom steps
     ##