Build craziness

[Jim Laskey (Oracle)]

Mac OS X 10.11.4, Xcode 7.3.  This was the first time I encountered this build issue.

> On Apr 25, 2016, at 5:27 AM, Erik Joelsson <erik.joelsson at oracle.com> wrote:
> 
> Which version of Macosx and Xcode were used? Did this start happening recently?
> 
> /Erik
> 
> On 2016-04-22 18:10, Jim Laskey (Oracle) wrote:
>> 
>>> Begin forwarded message:
>>> 
>>> From: "Jim Laskey (Oracle)" <james.laskey at oracle.com>
>>> Subject: Build craziness
>>> Date: April 22, 2016 at 11:59:35 AM ADT
>>> To: jigsaw-dev <jigsaw-dev at openjdk.java.net>
>>> 
>>> make clean ; make images
>>> 
>>> Building target 'images' in configuration 'macosx-x86_64-normal-server-fastdebug'
>>> Building JVM variant 'server' with features 'all-gcs cds compiler1 compiler2 dtrace fprof jni-check jvmci jvmti management nmt services vm-structs'
>>> Compiling 8 files for BUILD_TOOLS_LANGTOOLS
>>> Creating adlc from 13 file(s)
>>> Creating libjsig.dylib from 1 file(s)
>>> dtrace: failed to compile script /Projects/jdk9-dev/build/macosx-x86_64-normal-server-fastdebug/hotspot/variant-server/support/dtrace/hotspot.h.d: line 1: empty D program translation unit
>>> make[4]: *** [/Projects/jdk9-dev/build/macosx-x86_64-normal-server-fastdebug/hotspot/variant-server/gensrc/dtracefiles/hotspot.h] Error 1
>>> make[4]: *** Waiting for unfinished jobs....
>>> make[3]: *** [variant-server-gensrc] Error 2
>>> make[3]: *** Waiting for unfinished jobs....
>>> Compiling 19 properties into resource bundles for jdk.javadoc
>>> Parsing 1 properties into enum-like class for jdk.compiler
>>> Compiling 9 properties into resource bundles for jdk.jdeps
>>> make[2]: *** [hotspot] Error 2
>>> make[2]: *** Waiting for unfinished jobs....
>>> Compiling 3 properties into resource bundles for jdk.jshell
>>> Compiling 16 properties into resource bundles for jdk.compiler
>>> 
>>> ERROR: Build failed for target 'images' in configuration 'macosx-x86_64-normal-server-fastdebug' (exit code 2)
>>> === Output from failing command(s) repeated here ===
>>> * For target hotspot_variant-server_gensrc_dtracefiles_hotspot.h:
>>> dtrace: failed to compile script /Projects/jdk9-dev/build/macosx-x86_64-normal-server-fastdebug/hotspot/variant-server/support/dtrace/hotspot.h.d: line 1: empty D program translation unit
>>> === End of repeated output ===
>>> No indication of failed target found.
>>> Hint: Try searching the build log for '] Error'.
>>> Hint: If caused by a warning, try configure --disable-warnings-as-errors.
>>> 
>>> make[1]: *** [main] Error 2
>>> make: *** [images] Error 2
>>> 
>