Use of -Werror in langtools/make and ${warnings.fatal}

[Andrew Hughes]

----- Original Message -----
> 
> 
> ----- Original Message -----
> > ant can no longer be invoked directly (i.e. not via makefile) in
> > langtools/make because ${warnings.fatal} is undefined.
> > 
> > cd langtools/make
> > ant -Djavac.warnings.fatal= -Dboot.java.home=$jdk6 -Dtarget.java.home=$jdk7
> > build
> > ...
> >     [javac] Compiling 295 source files to
> > /usr/local/google/home/martinrb/ws/icedtea7-forest/langtools/build/bootstrap/classes
> >     [javac] javac: invalid flag: ${warnings.fatal}
> > 
> > Caused by this icedtea-only patch:
> > 
> > # HG changeset patch
> > # User andrew
> > # Date 1345649970 -3600
> > # Node ID 26f5c80eb792e8536e15c82670dc38a140bb1ec3
> > # Parent  b19919b8e86d7f17317d7cf6ca440ee4d3d4e14d
> > PR1095: Allow -Werror to be turned off.
> > 
> > diff --git a/make/Makefile b/make/Makefile
> > --- a/make/Makefile
> > +++ b/make/Makefile
> > @@ -111,6 +111,12 @@
> >    ANT_OPTIONS += -Ddebug.classfiles=true
> >  endif
> > 
> > +ifeq ($(JAVAC_WARNINGS_FATAL), true)
> > +  ANT_OPTIONS += -Dwarnings.fatal=-Werror
> > +else
> > +  ANT_OPTIONS += -Dwarnings.fatal=
> > +endif
> > +
> >  # Note: jdk/make/common/Defs.gmk uses LANGUAGE_VERSION (-source NN)
> >  # and the somewhat misnamed CLASS_VERSION (-target NN)
> >  ifdef TARGET_CLASS_VERSION
> > diff --git a/make/build.properties b/make/build.properties
> > --- a/make/build.properties
> > +++ b/make/build.properties
> > @@ -68,7 +68,7 @@
> >  # set the following to -version to verify the versions of javac being used
> >  javac.version.opt =
> >  # in time, there should be no exceptions to -Xlint:all
> > -javac.lint.opts = -Xlint:all,-deprecation -Werror
> > +javac.lint.opts = -Xlint:all,-deprecation ${warnings.fatal}
> > 
> >  # options for the <javadoc> task for javac
> >  #javadoc.jls3.url=http://java.sun.com/docs/books/jls/
> > 
> > 
> > Here's a possible fix, that preserves the openjdk default of -Werror,
> > renames warnings.fatal to javac.warnings.fatal, and allows escape via
> > JAVAC_WARNINGS_FATAL=false
> > 
> > 
> > diff --git a/make/Makefile b/make/Makefile
> > --- a/make/Makefile
> > +++ b/make/Makefile
> > @@ -111,10 +111,8 @@
> >    ANT_OPTIONS += -Ddebug.classfiles=true
> >  endif
> > 
> > -ifeq ($(JAVAC_WARNINGS_FATAL), true)
> > -  ANT_OPTIONS += -Dwarnings.fatal=-Werror
> > -else
> > -  ANT_OPTIONS += -Dwarnings.fatal=
> > +ifeq ($(JAVAC_WARNINGS_FATAL), false)
> > +  ANT_OPTIONS += -Djavac.warnings.fatal=
> >  endif
> > 
> >  # Note: jdk/make/common/Defs.gmk uses LANGUAGE_VERSION (-source NN)
> > diff --git a/make/build.properties b/make/build.properties
> > --- a/make/build.properties
> > +++ b/make/build.properties
> > @@ -68,7 +68,8 @@
> >  # set the following to -version to verify the versions of javac being used
> >  javac.version.opt =
> >  # in time, there should be no exceptions to -Xlint:all
> > -javac.lint.opts = -Xlint:all,-deprecation ${warnings.fatal}
> > +javac.warnings.fatal = -Werror
> > +javac.lint.opts = -Xlint:all,-deprecation ${javac.warnings.fatal}
> > 
> >  # options for the <javadoc> task for javac
> >  #javadoc.jls3.url=http://java.sun.com/docs/books/jls/
> > 
> 
> Finally done:
> 
> http://icedtea.classpath.org/hg/icedtea7-forest/langtools/rev/24ac4090a6e4
> http://icedtea.classpath.org/hg/release/icedtea7-forest-2.3/langtools/rev/fd956199cb82
> http://icedtea.classpath.org/hg/release/icedtea7-forest-2.4/langtools/rev/1b9aeaa2344b
> 
> 2.3.9 should be out later today.
> 

http://blog.fuseyism.com/index.php/2013/04/22/security-icedtea-2-3-9-for-openjdk-7-released/

:-)

> Thanks again,
> --
> Andrew :)
> 
> Free Java Software Engineer
> Red Hat, Inc. (http://www.redhat.com)
> 
> PGP Key: 248BDC07 (https://keys.indymedia.org/)
> Fingerprint = EC5A 1F5E C0AD 1D15 8F1F  8F91 3B96 A578 248B DC07
> 
> 

-- 
Andrew :)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

PGP Key: 248BDC07 (https://keys.indymedia.org/)
Fingerprint = EC5A 1F5E C0AD 1D15 8F1F  8F91 3B96 A578 248B DC07