Fixes an issue with building under 10.5.

The 10.5 version of "cp" doesn't support the "-a" option, though
it's just a shorthand for "-pPR", so it's easily fixed.

build.d/targets/release.sh

@@ -115,15 +115,15 @@ function release_build
 
     # Copy license to disk image
 
-    /bin/cp -a "${BUILD_SOURCE_DIRECTORY}/support/DiskImage/License.rtf" "${disk_image_mount_point}/License.rtf" 1>&3 2>&4
+    /bin/cp -pPR "${BUILD_SOURCE_DIRECTORY}/support/DiskImage/License.rtf" "${disk_image_mount_point}/License.rtf" 1>&3 2>&4
     detach_die_on_error "Failed to copy license to disk image"
 
     /usr/bin/xcrun SetFile -a E "${disk_image_mount_point}/License.rtf" 1>&3 2>&4
     detach_die_on_error "Failed to hide extension of license"
 
     # Copy extras to disk image
 
-    /bin/cp -a "${BUILD_SOURCE_DIRECTORY}/support/DiskImage/Extras" "${disk_image_mount_point}/Extras" 1>&3 2>&4
+    /bin/cp -pPR "${BUILD_SOURCE_DIRECTORY}/support/DiskImage/Extras" "${disk_image_mount_point}/Extras" 1>&3 2>&4
     detach_die_on_error "Failed to copy extras to disk image"
 
     /usr/bin/xcrun SetFile -a E "${disk_image_mount_point}/Extras"/* 1>&3 2>&4
@@ -143,7 +143,7 @@ function release_build
     local disk_image_distribution_package_relative_path="Extras/FUSE for OS X ${osxfuse_version}.pkg"
     local disk_image_distribution_package_path="${disk_image_mount_point}/${disk_image_distribution_package_relative_path}"
 
-    /bin/cp -a "${distribution_package_path}" "${disk_image_distribution_package_path}" 1>&3 2>&4
+    /bin/cp -pPR "${distribution_package_path}" "${disk_image_distribution_package_path}" 1>&3 2>&4
     detach_die_on_error "Failed to copy distribution package to disk image"
 
     /usr/bin/xcrun SetFile -a E "${disk_image_distribution_package_path}" 1>&3 2>&4
@@ -167,7 +167,7 @@ EOF
     # Copy custom background to disk image
 
     /bin/mkdir -p "${disk_image_mount_point}/.background" 1>&3 2>&4 && \
-    /bin/cp -a "${BUILD_SOURCE_DIRECTORY}/support/DiskImage/background.tiff" "${disk_image_mount_point}/.background/background.tiff" 1>&3 2>&4
+    /bin/cp -pPR "${BUILD_SOURCE_DIRECTORY}/support/DiskImage/background.tiff" "${disk_image_mount_point}/.background/background.tiff" 1>&3 2>&4
     detach_die_on_error "Failed to copy background image to disk image"
 
     # Adjust view options of disk image

build.sh

@@ -554,7 +554,7 @@ function build_target_install
         common_assert "[[ ! -e `string_escape "${target}"` ]]" "Target is already installed"
     fi
 
-    local -a command=(/bin/cp -a "${source}" "${target}")
+    local -a command=(/bin/cp -pPR "${source}" "${target}")
     if (( root == 0 ))
     then
         "${command[@]}" 1>&3 2>&4