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Linux上编译hadoop-2.7.1的libhdfs.so和libhdfs.a

hadoop提供了CMake来编译libhdfs,因此在编译之前需要先安装好CMake工具。 然后进入libhdfs的源代码目录,如:/data/hadoop-2.7.1-src/hadoop-hdfs-project/hadoop-hdfs/src 执行cmake以生成Makefile文件(假设jdk的安装目录为/data/jdk1.7.0_55): cmake -DGENERATED_JAVAH=/data/jdk1.7.0_55 -DJAVA_HOME=/data/jdk1.7.0_55 . 成功之后,会在目录下生成Makefile文件,接下来就可以执行make编译生成libhdfs.so和libhdfs.a了。 如果遇到下面这样的错误: /data/jdk1.7.0_55/jre/lib/amd64/server/libjvm.so: file not recognized: File format not recognized 则需要考虑升级链接器ld,参考说明:http://blog.chinaunix.net/uid-20682147-id-4239779.html。 ld是GNU binutils的成员,可以从http://ftp.gnu.org/gnu/binutils/下载到新的版本。 注意在升级gcc和ld之后,需要更新下环境变量PATH,再重执行cmake,否则可能引用的仍然是老版本的gcc和ld。 /data/hadoop-2.7.1-src/hadoop-hdfs-project/hadoop-hdfs/src # cmake -DGENERATED_JAVAH=/data/java_1_7 -DJAVA_HOME=/data/java_1_7 -- The C compiler identification is GNU 4.1.2 -- The CXX compiler identification is GNU 4.1.2 -- Check for working C compiler: /usr/bin/cc -- Check for working C compiler: /usr/bin/cc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Check for working CXX compiler: /usr/bin/c++ -- Check for working CXX compiler: /usr/bin/c++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Detecting CXX compile features -- Detecting CXX compile features - done JAVA_HOME=/data/java_1_7, JAVA_JVM_LIBRARY=/data/java_1_7/jre/lib/amd64/server/libjvm.so JAVA_INCLUDE_PATH=/data/java_1_7/include, JAVA_INCLUDE_PATH2=/data/java_1_7/include/linux Located all JNI components successfully. -- Performing Test HAVE_BETTER_TLS -- Performing Test HAVE_BETTER_TLS - Success -- Performing Test HAVE_INTEL_SSE_INTRINSICS -- Performing Test HAVE_INTEL_SSE_INTRINSICS - Success -- Looking for dlopen in dl -- Looking for dlopen in dl - found -- Found JNI: /data/java_1_7/jre/lib/amd64/libjawt.so   -- Found PkgConfig: /usr/bin/pkg-config (found version "0.20")  -- checking for module 'fuse' --   package 'fuse' not found

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