http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44228
John T <jrt at worldlinc dot net> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jrt at worldlinc dot net --- Comment #3 from John T <jrt at worldlinc dot net> 2012-05-10 03:49:48 UTC --- I've encountered this bug too, in gcc-4.6.1 and 4.5.3. I worked around the problem on 4.6.1 by specifying languages and leaving java off the list. processor: Athlon XP 1900 compiler gcc-4.4.1 on Mandriva Linux 2010.0 glibc: 2.10.1 compiler flags: --prefix=/usr languages to be built: c, c++, fortran, java, lto, objc error message: jar: internal error: java.lang.NullPointerException at gnu.classpath.tools.jar.Creator.writeCommandLineEntries(libgcj-tools.so.10) at gnu.classpath.tools.jar.Creator.run(libgcj-tools.so.10) at gnu.classpath.tools.jar.Main.run(libgcj-tools.so.10) at gnu.classpath.tools.jar.Main.main(libgcj-tools.so.10) make[3]: *** [libgcj-4.5.3.jar] Error 1 make[3]: Leaving directory `/home/dilbert/bld453/i686-pc-linux-gnu/libjava'