make/modules/tools/Makefiles make assumptions about the directory structure that break in some break environments.

cd ../../../build/solaris-sparc/btclasses && \
    /java/re/jdk/1.6.0/archive/fcs/binaries/solaris-sparc/bin/jar cfm ../../../../build/solaris-sparc/btjars/classanalyzer.jar ../../../../build/solaris-sparc/btclasses/classanalyzer_manifest.mf \
       com/sun/classanalyzer -J-XX:-PrintVMOptions -J-XX:+UnlockDiagnosticVMOptions -J-XX:-LogVMOutput -J-client -J-Xmx896m -J-Xms128m -J-XX:PermSize=32m -J-XX:MaxPermSize=160m || rm -f ../../../build/solaris-sparc/btjars/classanalyzer.jar
java.io.FileNotFoundException: ../../../../build/solaris-sparc/btclasses/classanalyzer_manifest.mf (No such file or directory)
        at java.io.FileInputStream.open(Native Method)
        at java.io.FileInputStream.<init>(FileInputStream.java:106)
        at java.io.FileInputStream.<init>(FileInputStream.java:66)
        at sun.tools.jar.Main.run(Main.java:131)
        at sun.tools.jar.Main.main(Main.java:1022)
>>>Making gen-classlist @ Fri Feb 5 19:55:48 GMT 2010 ...
../../../build/solaris-sparc/bin/java -XX:-PrintVMOptions -XX:+UnlockDiagnosticVMOptions -XX:-LogVMOutput -client -Xmx896m -Xms128m -XX:PermSize=32m -XX:MaxPermSize=160m \
                -Dclassanalyzer.debug \
                -jar ../../../build/solaris-sparc/btjars/classanalyzer.jar \
                -jdkhome ../../../build/solaris-sparc \
                -config ../modules.config \
                -config ../modules.group \
                -depconfig ../jdk7.depconfig \
                -depconfig ../optional.depconfig \
                -showdynamic \
                -output ../../../build/solaris-sparc/tmp/modules/classlist
Error: Unable to access jarfile ../../../build/solaris-sparc/btjars/classanalyzer.jar
gnumake[2]: *** [gen-classlist] Error 1
gnumake[2]: Leaving directory `/export/Users/alanb/ws/jdk/make/modules/tools'
gnumake[1]: *** [gen-classlist] Error 2
gnumake[1]: Leaving directory `/export/Users/alanb/ws/jdk/make/modules'
gnumake: *** [gen-modules] Error 2