3 files changed, 18 insertions, 16 deletions
diff --git a/pkgs/build-support/cc-wrapper/cc-wrapper.sh b/pkgs/build-support/cc-wrapper/cc-wrapper.sh
index b402893100b0..2e62aef46048 100644
--- a/pkgs/build-support/cc-wrapper/cc-wrapper.sh
+++ b/pkgs/build-support/cc-wrapper/cc-wrapper.sh
@@ -25,8 +25,9 @@ dontLink=0
 nonFlagArgs=0
 cc1=0
 # shellcheck disable=SC2193
-[[ "@prog@" = *++ ]] && isCpp=1 || isCpp=0
-cppInclude=1
+[[ "@prog@" = *++ ]] && isCxx=1 || isCxx=0
+cxxInclude=1
+cxxLibrary=1
 cInclude=1
 setDynamicLinker=1
 
@@ -50,15 +51,15 @@ while (( "$n" < "$nParams" )); do
         dontLink=1
     elif [[ "$p" = -x && "$p2" = *-header ]]; then
         dontLink=1
-    elif [[ "$p" = -x && "$p2" = c++* && "$isCpp" = 0 ]]; then
-        isCpp=1
+    elif [[ "$p" = -x && "$p2" = c++* && "$isCxx" = 0 ]]; then
+        isCxx=1
     elif [ "$p" = -nostdlib ]; then
-        isCpp=-1
+        cxxLibrary=0
     elif [ "$p" = -nostdinc ]; then
         cInclude=0
-        cppInclude=0
+        cxxInclude=0
     elif [ "$p" = -nostdinc++ ]; then
-        cppInclude=0
+        cxxInclude=0
     elif [[ "$p" = -static || "$p" = -static-pie ]]; then
         setDynamicLinker=0
     elif [[ "$p" != -?* ]]; then
@@ -131,12 +132,13 @@ if [ "$NIX_ENFORCE_NO_NATIVE_@suffixSalt@" = 1 ]; then
     params=(${rest+"${rest[@]}"})
 fi
 
-if [[ "$isCpp" = 1 ]]; then
-    NIX_CFLAGS_LINK_@suffixSalt@+=" $NIX_CXXSTDLIB_LINK_@suffixSalt@"
-fi
-
-if [[ "$cppInclude" = 1 ]]; then
-    NIX_CFLAGS_COMPILE_@suffixSalt@+=" $NIX_CXXSTDLIB_COMPILE_@suffixSalt@"
+if [[ "$isCxx" = 1 ]]; then
+    if [[ "$cxxInclude" = 1 ]]; then
+        NIX_CFLAGS_COMPILE_@suffixSalt@+=" $NIX_CXXSTDLIB_COMPILE_@suffixSalt@"
+    fi
+    if [[ "$cxxLibrary" = 1 ]]; then
+        NIX_CFLAGS_LINK_@suffixSalt@+=" $NIX_CXXSTDLIB_LINK_@suffixSalt@"
+    fi
 fi
 
 source @out@/nix-support/add-hardening.sh
diff --git a/pkgs/build-support/cc-wrapper/default.nix b/pkgs/build-support/cc-wrapper/default.nix
index 14317cbe4cc5..36a98a180b3e 100644
--- a/pkgs/build-support/cc-wrapper/default.nix
+++ b/pkgs/build-support/cc-wrapper/default.nix
@@ -370,7 +370,7 @@ stdenv.mkDerivation {
       done
     ''
     + optionalString (libcxx.isLLVM or false) (''
-      echo "-isystem ${libcxx}/include/c++/v1" >> $out/nix-support/libcxx-cxxflags
+      echo "-isystem ${lib.getDev libcxx}/include/c++/v1" >> $out/nix-support/libcxx-cxxflags
       echo "-stdlib=libc++" >> $out/nix-support/libcxx-ldflags
     '' + lib.optionalString stdenv.targetPlatform.isLinux ''
       echo "-lc++abi" >> $out/nix-support/libcxx-ldflags
@@ -404,7 +404,7 @@ stdenv.mkDerivation {
       echo "$ccLDFlags" >> $out/nix-support/cc-ldflags
       echo "$ccCFlags" >> $out/nix-support/cc-cflags
     '' + optionalString (targetPlatform.isDarwin && (libcxx != null) && (cc.isClang or false)) ''
-      echo " -L${libcxx}/lib" >> $out/nix-support/cc-ldflags
+      echo " -L${lib.getLib libcxx}/lib" >> $out/nix-support/cc-ldflags
     ''
 
     ##
diff --git a/pkgs/build-support/rust/default-crate-overrides.nix b/pkgs/build-support/rust/default-crate-overrides.nix
index 3d2dc3733c22..61cec2a6abab 100644
--- a/pkgs/build-support/rust/default-crate-overrides.nix
+++ b/pkgs/build-support/rust/default-crate-overrides.nix
@@ -92,7 +92,7 @@ in
   nettle-sys = attrs: {
     nativeBuildInputs = [ pkg-config ];
     buildInputs = [ nettle clang ];
-    LIBCLANG_PATH = "${llvmPackages.libclang}/lib";
+    LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
   };
 
   openssl = attrs: {