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https://issues.apache.org/jira/browse/HDFS-10257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15285003#comment-15285003
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Stephen Bovy commented on HDFS-10257:
-------------------------------------
So I tried using >> cmake . <<<<<
And I got >> You must set the CMake variable GENERATED_JAVAH
So how to is use cmake on a stand-alone basis (without maven) to build
libhdfs
I guess I need a shell script for set-up purposes ??? What do I need to set
??
It should not be that difficult
[root@sandbox src]# cmake .
-- The C compiler identification is GNU 4.4.7
-- The CXX compiler identification is GNU 4.4.7
-- 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
-- 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
JAVA_HOME=, JAVA_JVM_LIBRARY=/usr/lib/jvm/java/jre/lib/amd64/server/libjvm.so
JAVA_INCLUDE_PATH=/usr/lib/jvm/java/include,
JAVA_INCLUDE_PATH2=/usr/lib/jvm/java/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: /usr/lib/jvm/java/jre/lib/amd64/libjawt.so
CMake Error at CMakeLists.txt:84 (MESSAGE):
You must set the CMake variable GENERATED_JAVAH
-- Configuring incomplete, errors occurred!
See also
"/root/hadoop-2.7.2-src/hadoop-hdfs-project/hadoop-hdfs/src/CMakeFiles/CMakeOutput.log".
[root@sandbox src]#
> Quick Thread Local Storage set-up has a small flaw
> --------------------------------------------------
>
> Key: HDFS-10257
> URL: https://issues.apache.org/jira/browse/HDFS-10257
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: libhdfs
> Affects Versions: 2.6.4
> Environment: Linux
> Reporter: Stephen Bovy
> Priority: Minor
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> In jni_helper.c in the getJNIEnv function
> The “THREAD_LOCAL_STORAGE_SET_QUICK(env);” Macro is in the wrong
> location;
> It should precede the “threadLocalStorageSet(env)” as follows ::
> THREAD_LOCAL_STORAGE_SET_QUICK(env);
> if (threadLocalStorageSet(env)) {
> return NULL;
> }
> AND IN “thread_local_storage.h” the macro:
> “THREAD_LOCAL_STORAGE_SET_QUICK”
> should be as follows ::
> #ifdef HAVE_BETTER_TLS
> #define THREAD_LOCAL_STORAGE_GET_QUICK() \
> static __thread JNIEnv *quickTlsEnv = NULL; \
> { \
> if (quickTlsEnv) { \
> return quickTlsEnv; \
> } \
> }
> #define THREAD_LOCAL_STORAGE_SET_QUICK(env) \
> { \
> quickTlsEnv = (env); \
> return env;
> }
> #else
> #define THREAD_LOCAL_STORAGE_GET_QUICK()
> #define THREAD_LOCAL_STORAGE_SET_QUICK(env)
> #endif
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