Getting started with merged GCJ

Sat Jan 27 17:35:00 GMT 2007

Jim Mayer writes:
 > Hi all,
 > 
 > First... I really, REALLY, TRULY (I promise) looked through the
 > archives, FAQs, etc. before I sent this note!!! Really.... I promise!
 > 
 > Anyway, I'd very much like to experiment with the new trunk version of
 > GCJ, but I'm not having much luck building it. I was attempting to
 > follow the directions at <http://gcc.gnu.org/java/build-snapshot.html>
 > but that resulted in compilation errors yesterday (a warning) and the
 > following messages with a version I updated last night:
 > 
 > /home/jim/src/compile/objdir/gcc/gcj
 > -B/home/jim/src/compile/objdir/i686-pc-linux-gnu/libjava/
 > -B/home/jim/src/compile/objdir/gcc/ -ffloat-store -fomit-frame-pointer
 > -fclasspath= -fbootclasspath=../../../gcc/libjava/classpath/lib
 > --encoding=UTF-8 -Wno-deprecated -fbootstrap-classes -g -O2 -c
 > -fsource-filename=/home/jim/src/compile/objdir/i686-pc-linux-gnu/libjava/classpath/lib/classes -MT gnu/java/awt/color.lo -MD -MP -MF gnu/java/awt/color.deps @gnu/java/awt/color.list -fPIC -o gnu/java/awt/.libs/color.o
 > gnu/java/awt/color/LinearRGBConverter.java: In class
 > 'gnu.java.awt.color.LinearRGBConverter':
 > gnu/java/awt/color/LinearRGBConverter.java: In method
 > 'gnu.java.awt.color.LinearRGBConverter.toRGB(float[])':
 > gnu/java/awt/color/LinearRGBConverter.java:0: internal compiler error:
 > Illegal instruction
 > Please submit a full bug report,
 > with preprocessed source if appropriate.
 > 
 > I see references in the list archives to "java maintainer mode",
 > "ecj.jar", scripts that Tom Tromey wrote, etc... but I haven't seen any
 > recommendations on how to get started.
 > 
 > Help!
We need to know the commands you used to configure and build your
compiler. We need to know the system you're building on. Strangely,
people often don't tell us this.
Andrew.