compile failed when making building system



  • Hi all,
    I followed the instructions described on documents to set up my building system . However when I compile with make -j1 V=s. I came across errors as below. I checked it on line and could not find a solution to it.

    checking for gij... no
    checking for java... java
    checking for ecj... ecj -warn:-deprecation,serial,unusedImport
    checking if ecj -warn:-deprecation,serial,unusedImport is a version of gcj... no
    checking if ecj -warn:-deprecation,serial,unusedImport works... configure: error: The Java compiler ecj -warn:-deprecation,serial,unusedImport failed (see config.log, check the CLASSPATH?)
    Makefile:89: recipe for target '/home/fan/omega2/build_dir/target-mipsel_24kc_musl-1.1.16/classpath-0.99/.configured_yyyynnnn' failed
    make[3]: *** [/home/fan/omega2/build_dir/target-mipsel_24kc_musl-1.1.16/classpath-0.99/.configured_yyyynnnn] Error 1
    make[3]: Leaving directory '/home/fan/omega2/feeds/packages/libs/classpath'
    package/Makefile:105: recipe for target 'package/feeds/packages/classpath/compile' failed
    make[2]: *** [package/feeds/packages/classpath/compile] Error 2
    make[2]: Leaving directory '/home/fan/omega2'
    package/Makefile:101: recipe for target '/home/fan/omega2/staging_dir/target-mipsel_24kc_musl-1.1.16/stamp/.package_compile' failed
    make[1]: *** [/home/fan/omega2/staging_dir/target-mipsel_24kc_musl-1.1.16/stamp/.package_compile] Error 2
    make[1]: Leaving directory '/home/fan/omega2'
    /home/fan/omega2/include/toplevel.mk:198: recipe for target 'world' failed
    make: *** [world] Error 2

    I am using virtual box with Ubuntu 18.04.1 LTS.
    Thanks!



  • @Fan-Wu said in compile failed when making building system:

    checking if ecj -warn:-deprecation,serial,unusedImport works... configure: error: The Java compiler ecj -warn:-deprecation,serial,unusedImport failed (see config.log, check the CLASSPATH?)

    Did you check the config.log?

    I'd suggest using the docker image as it is provides a faster pathway to a successful build in my experience, but I understand that there are alternatives and these are the kinds of problems that go along with it.



  • Hi cas,
    Thanks for your replay. I checked the configure log.

    configure:24169: $? = 0
    configure:24194: result: stdint.h (shortcircuit)
    configure:24579: result: make use of stdint.h in include/config-int.h (assuming C99 compatible system)
    configure:24629: checking for cacao
    configure:24659: result: no
    configure:24629: checking for jamvm
    configure:24659: result: no
    configure:24629: checking for kaffe
    configure:24659: result: no
    configure:24629: checking for gij
    configure:24659: result: no
    configure:24629: checking for java
    configure:24645: found /usr/bin/java
    configure:24656: result: java
    configure:24723: checking for ecj
    configure:24739: found /usr/bin/ecj
    configure:24750: result: ecj -warn:-deprecation,serial,unusedImport
    configure:24807: checking if ecj -warn:-deprecation,serial,unusedImport is a version of gcj
    configure:24821: result: no
    configure:24836: checking if ecj -warn:-deprecation,serial,unusedImport works
    configure:24861: ecj -warn:-deprecation,serial,unusedImport -source 1.5 -target 1.5 Object.java
    /usr/bin/ecj: 4: .: Can't open /usr/lib/java-wrappers/java-wrappers.sh
    configure:24864: $? = 2
    configure:24868: error: The Java compiler ecj -warn:-deprecation,serial,unusedImport failed (see config.log, check the CLASSPATH?)



  • After I install java-wrappers, it is good now. Thanks all!
    sudo apt-get install java-wrappers


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