diff --git a/library/GNUmakefile.os4 b/library/GNUmakefile.os4
index 23d8929..a2a6f40 100644
--- a/library/GNUmakefile.os4
+++ b/library/GNUmakefile.os4
@@ -1,5 +1,5 @@
 #
-# $Id: GNUmakefile.os4,v 1.114 2008-04-28 15:49:25 obarthel Exp $
+# $Id: GNUmakefile.os4,v 1.115 2008-04-28 16:12:22 obarthel Exp $
 #
 # :ts=8
 #
@@ -26,7 +26,7 @@ NET_INCLUDE := netinclude
 CC := ppc-amigaos-gcc
 AR := ppc-amigaos-ar -q
 RANLIB := ppc-amigaos-ranlib
-COPY := cp -a
+COPY := cp -p
 DELETE := rm -rf
 MAKEDIR := mkdir -p
 LOG_COMMAND := 2>&1 | tee -a compiler.log
diff --git a/library/build_archive_unix.sh b/library/build_archive_unix.sh
index 1ee8cb8..914d835 100755
--- a/library/build_archive_unix.sh
+++ b/library/build_archive_unix.sh
@@ -13,9 +13,9 @@ rm -rf $dir_name
 # Create the directory, copy all the libraries, header files
 # and release note files inside.
 mkdir $dir_name
-cp -a lib $dir_name
-cp -a lib.threadsafe $dir_name
-cp -a include $dir_name
+cp -pR lib $dir_name
+cp -pR lib.threadsafe $dir_name
+cp -pR include $dir_name
 cp changes $dir_name
 
 # Delete the CVS data from the include directory