diff --git a/prepare-cross-toolchain-unix.sh b/prepare-cross-toolchain-unix.sh
index 124d442..75846a0 100755
--- a/prepare-cross-toolchain-unix.sh
+++ b/prepare-cross-toolchain-unix.sh
@@ -48,3 +48,7 @@ cp -a $CLANG_RESOURCE_DIR $DEST/lib/clang/$CLANG_VERSION
 for arch in generic $ARCHS; do
     cp -a $SRC/$arch-w64-mingw32 $DEST/$arch-w64-mingw32
 done
+
+# Copy the libc++ module sources
+rm -rf $DEST/share/libc++
+cp -a $SRC/share/libc++ $DEST/share
diff --git a/prepare-cross-toolchain.sh b/prepare-cross-toolchain.sh
index 5a618d6..de05476 100755
--- a/prepare-cross-toolchain.sh
+++ b/prepare-cross-toolchain.sh
@@ -66,3 +66,7 @@ for arch in $ARCHS; do
         cp -a $SRC/$arch-w64-mingw32/$subdir $DEST/$arch-w64-mingw32
     done
 done
+
+# Copy the libc++ module sources
+rm -rf $DEST/share/libc++
+cp -a $SRC/share/libc++ $DEST/share