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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1920) libhdfs does not build for ARM processors
Date Thu, 12 May 2011 20:38:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13032654#comment-13032654

Hadoop QA commented on HDFS-1920:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 1102153.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit

    -1 core tests.  The patch failed these core unit tests:

    +1 contrib tests.  The patch passed contrib unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/501//testReport/
Findbugs warnings: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/501//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/501//console

This message is automatically generated.

> libhdfs does not build for ARM processors
> -----------------------------------------
>                 Key: HDFS-1920
>                 URL: https://issues.apache.org/jira/browse/HDFS-1920
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: contrib/libhdfs
>    Affects Versions: 0.21.0
>         Environment: $ gcc -v
> Using built-in specs.
> COLLECT_LTO_WRAPPER=/usr/lib/arm-linux-gnueabi/gcc/arm-linux-gnueabi/4.5.2/lto-wrapper
> Target: arm-linux-gnueabi
> Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.5.2-8ubuntu4'
--with-bugurl=file:///usr/share/doc/gcc-4.5/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++
--prefix=/usr --program-suffix=-4.5 --enable-shared --enable-multiarch --with-multiarch-defaults=arm-linux-gnueabi
--enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib/arm-linux-gnueabi --without-included-gettext
--enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.5 --libdir=/usr/lib/arm-linux-gnueabi
--enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes
--enable-plugin --enable-gold --enable-ld=default --with-plugin-ld=ld.gold --enable-objc-gc
--disable-sjlj-exceptions --with-arch=armv7-a --with-float=softfp --with-fpu=vfpv3-d16 --with-mode=thumb
--disable-werror --enable-checking=release --build=arm-linux-gnueabi --host=arm-linux-gnueabi
> Thread model: posix
> gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu4)
> $ uname -a
> Linux panda0 2.6.38-1002-linaro-omap #3-Ubuntu SMP Fri Apr 15 14:00:54 UTC 2011 armv7l
armv7l armv7l GNU/Linux
>            Reporter: Trevor Robinson
>         Attachments: hadoop-hdfs-arm.patch
> $ ant compile -Dcompile.native=true -Dcompile.c++=1 -Dlibhdfs=1 -Dfusedfs=1
> ...
> create-libhdfs-configure:
> ...
>      [exec] configure: error: Unsupported CPU architecture "armv7l"
> Once the CPU arch check is fixed in src/c++/libhdfs/m4/apsupport.m4, then next issue
is -m32:
> $ ant compile -Dcompile.native=true -Dcompile.c++=1 -Dlibhdfs=1 -Dfusedfs=1
> ...
> compile-c++-libhdfs:
>      [exec] /bin/bash ./libtool --tag=CC   --mode=compile gcc -DPACKAGE_NAME=\"libhdfs\"
-DPACKAGE_TARNAME=\"libhdfs\" -DPACKAGE_VERSION=\"0.1.0\" -DPACKAGE_STRING=\"libhdfs\ 0.1.0\"
-DPACKAGE_BUGREPORT=\"omalley@apache.org\" -DPACKAGE_URL=\"\" -DPACKAGE=\"libhdfs\" -DVERSION=\"0.1.0\"
-DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -Dsize_t=unsigned\ int -Dconst=/\*\*/ -Dvolatile=/\*\*/
-I. -I/home/trobinson/dev/hadoop-hdfs/src/c++/libhdfs     -g -O2 -DOS_LINUX -DDSO_DLFCN -DCPU=\"arm\"
-m32 -I/usr/lib/jvm/java-6-openjdk/include -I/usr/lib/jvm/java-6-openjdk/include/arm -Wall
-Wstrict-prototypes -MT hdfs.lo -MD -MP -MF .deps/hdfs.Tpo -c -o hdfs.lo /home/trobinson/dev/hadoop-hdfs/src/c++/libhdfs/hdfs.c
>      [exec] make: Warning: File `.deps/hdfs_write.Po' has modification time 2.1 s in
the future
>      [exec] libtool: compile:  gcc -DPACKAGE_NAME=\"libhdfs\" -DPACKAGE_TARNAME=\"libhdfs\"
-DPACKAGE_VERSION=\"0.1.0\" "-DPACKAGE_STRING=\"libhdfs 0.1.0\"" -DPACKAGE_BUGREPORT=\"omalley@apache.org\"
"-Dsize_t=unsigned int" "-Dconst=/**/" "-Dvolatile=/**/" -I. -I/home/trobinson/dev/hadoop-hdfs/src/c++/libhdfs
-g -O2 -DOS_LINUX -DDSO_DLFCN -DCPU=\"arm\" -m32 -I/usr/lib/jvm/java-6-openjdk/include -I/usr/lib/jvm/java-6-openjdk/include/arm
-Wall -Wstrict-prototypes -MT hdfs.lo -MD -MP -MF .deps/hdfs.Tpo -c /home/trobinson/dev/hadoop-hdfs/src/c++/libhdfs/hdfs.c
 -fPIC -DPIC -o .libs/hdfs.o
>      [exec] cc1: error: unrecognized command line option "-m32"
>      [exec] make: *** [hdfs.lo] Error 1
> Here, gcc does not support -m32 for the ARM target, so -m${JVM_ARCH} must be omitted

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