ccplus: warnings being trated as errors

Ben Cheng bccheng at google.com
Thu Nov 29 18:17:16 UTC 2007


The main culprit is some (newer) gcc distributions enables -Wwrite-strings
by default. I found another place to hack in hotspot's makefile:

hotspot/build/linux/makefiles/gcc.make:

CFLAGS += $(VM_PICFLAG)
CFLAGS += -fno-rtti
CFLAGS += -fno-exceptions
CFLAGS += -D_REENTRANT
CFLAGS += -fcheck-new
# Suppress the "deprecated conversion from string constant to 'char*'"
warning
CFLAGS += -Wno-write-strings

Hope this helps,
-Ben

On Nov 29, 2007 4:46 AM, Mark Wielaard <mark at klomp.org> wrote:

> Hi Roger,
>
> On Thu, 2007-11-29 at 08:07 -0300, Roger Abelenda wrote:
> > Hello i'm trying to compile the openjdk machine with open Suse 10.3.
> > I'm using the b22 version of openjdk, and jdk 1.6_03 virtual machine
> > as boostrap and import_jdk_directory. When i put it tu compile at last
> > of the errors messages it gives me the following:
> >
> > cc1plus: warnings being treated as errors
> > /home/roger/Desktop/openjdk/hotspot/src/os/linux/vm/jvm_linux.cpp:182:
> > warning: deprecated conversion from string constant to 'char*'
> > [...]
> > make[5]: *** [jvm_linux.o] Error 1
> > make[4]: *** [the_vm] Error 2
> > make[3]: *** [product] Error 2
> > make[2]: *** [generic_build2] Error 2
> > make[1]: *** [product] Error 2
> > make: *** [hotspot-build] Error 2
> >
> > I already installed it in Fedora Core 6 successfully and it didn't
> > show me that kind of error. I apreciate any advise.
>
> Yes, had the same issue on Debian. Arnaud van Dyck made a page
> describing how to compile (icedtea derived from openjdk) on Debian using
> a couple of small patches:
> http://icedtea.classpath.org/wiki/DebianBuildingInstructions
> Some of those patches might also be appropriate for your suse system.
>
> Cheers,
>
> Mark
>
>
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