RFR: JDK-8171548: JDK bundles changes sym links incorrectly in the legal directory

[Mandy Chung]

> On Dec 21, 2016, at 4:43 AM, Erik Joelsson <erik.joelsson at oracle.com> wrote:
> 
> Hello,
> 
> Please review this very small fix in the bundle creation. The tar --transform parameter, which we use to create a top level directory inside the bundles, does weird things to relative symlinks. By adding the option 'S', this is fixed. I found this in the gnutar documentation here:
> 
> https://www.gnu.org/software/tar/manual/html_section/tar_52.html#transform
> 
> When we run tar without support for --transform, we have a fall back implementation where we copy files to a new directory structure and then bundle with tar. I verified that this isn't a problem there too.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8171548
> 
> Patch:
> 
> diff -r 6234069ff978 make/Bundles.gmk
> --- a/make/Bundles.gmk
> +++ b/make/Bundles.gmk
> @@ -103,7 +103,7 @@
>       $(CD) $$($1_BASE_DIRS) \
>           && ( $(TAR) cf - $(TAR_CREATE_EXTRA_PARAM) \
>               -$(TAR_INCLUDE_PARAM) $$($1_$$($1_BASE_DIRS)_LIST_FILE) \
> -              $$(if $$($1_SUBDIR), --transform 's|^|$$($1_SUBDIR)/|') \
> +              $$(if $$($1_SUBDIR), --transform 's|^|$$($1_SUBDIR)/|S') \
>               $(TAR_IGNORE_EXIT_VALUE) ) \
>           | $(GZIP) > $$@
>         else
> 

This looks okay.  Does it work for all platforms except windows?

Mandy