[FUG-BR] Erro compilando port do jdk15 no freebsd 6.1

[Tempra Turbo]

Olá

Estou quebrando cabeca com o java aqui no freebsd, tenho um 6.1 e estou tentando
compilar o jdk nativo 1.5

O erro que esta me dando é o seguinte: (parece alguma coisa com a config do kernel, mas a maquina tem 4G de ram)

Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.
gmake[6]: *** [/usr/ports/java/jdk15/work/control/build/bsd-i586/gensrc/com/sun/tools/javac/resources/compiler.java] Error 1
gmake[6]: Leaving directory `/usr/ports/java/jdk15/work/j2se/make/sun/javac/javac'
gmake[5]: *** [optimized] Error 2
gmake[5]: Leaving directory `/usr/ports/java/jdk15/work/j2se/make/sun/javac/javac'
gmake[4]: *** [all] Error 1
gmake[4]: Leaving directory `/usr/ports/java/jdk15/work/j2se/make/sun/javac'
gmake[3]: *** [all] Error 2
gmake[3]: Leaving directory `/usr/ports/java/jdk15/work/j2se/make/java/javac'
gmake[2]: *** [all] Error 1
gmake[2]: Leaving directory `/usr/ports/java/jdk15/work/j2se/make/java'
gmake[1]: *** [all] Error 1
gmake[1]: Leaving directory `/usr/ports/java/jdk15/work/j2se/make'
gmake: *** [j2se-build] Error 2
*** Error code 2
Stop in /usr/ports/java/jdk15.


Diz nao conseguir resevar mais espaco no heap.. sera isso mesmo ?
tem algum sysctl para eu setar ?

Alguem ja passou por isso ?

valeu