RFR: JDK-8157507: JDK-8157348 broke gensrc of imported modules

[Mandy Chung]

> On May 21, 2016, at 5:55 AM, Erik Joelsson <erik.joelsson at oracle.com> wrote:
> 
> In JDK-8157348 I made build time modifications of module-info.java more restrictive by only adding exports if the exported package actually exists. This existence check missed looking in imported prebuilt classes and because of that, importing javafx is now broken.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8157507
> Patch:
> diff -r fa3dec0c2862 make/GensrcModuleInfo.gmk
> --- a/make/GensrcModuleInfo.gmk
> +++ b/make/GensrcModuleInfo.gmk
> @@ -93,7 +93,9 @@
>   # Param 1 - Name of package with dots
>   PackageExists = \
>       $(strip $(wildcard $(addsuffix $(subst .,/,/$(strip $1)), \
> -          $(MODULE_CLASSES_DIRS))))
> +          $(MODULE_CLASSES_DIRS) \
> +          $(addsuffix /$(MODULE), $(IMPORT_MODULES_CLASSES)) \
> +      )))
> 
>   # Convert the modification lines into arguments for the modification tool.
>   # Filter out modifications for non existing to-modules.

Looks okay.

Mandy