HADOOP-11410. Make the rpath of libhadoop.so configurable (cmccabe)

(cherry picked from commit fb20797b6237054f3d16ff94a665cbad4cbe3293)

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -57,6 +57,8 @@ Release 2.7.0 - UNRELEASED
 
     HADOOP-10476) Bumping the findbugs version to 3.0.0. (wheat9)
 
+    HADOOP-11410. Make the rpath of libhadoop.so configurable (cmccabe)
+
   OPTIMIZATIONS
 
     HADOOP-11323. WritableComparator#compare keeps reference to byte array.

hadoop-common-project/hadoop-common/pom.xml

@@ -536,6 +536,7 @@
         <require.openssl>false</require.openssl>
         <runningWithNative>true</runningWithNative>
         <bundle.openssl.in.bin>false</bundle.openssl.in.bin>
+        <extra.libhadoop.rpath></extra.libhadoop.rpath>
       </properties>
       <build>
         <plugins>
@@ -607,7 +608,7 @@
                 <configuration>
                   <target>
                     <exec executable="cmake" dir="${project.build.directory}/native" failonerror="true">
-                      <arg line="${basedir}/src/ -DGENERATED_JAVAH=${project.build.directory}/native/javah -DJVM_ARCH_DATA_MODEL=${sun.arch.data.model} -DREQUIRE_BZIP2=${require.bzip2} -DREQUIRE_SNAPPY=${require.snappy} -DCUSTOM_SNAPPY_PREFIX=${snappy.prefix} -DCUSTOM_SNAPPY_LIB=${snappy.lib} -DCUSTOM_SNAPPY_INCLUDE=${snappy.include} -DREQUIRE_OPENSSL=${require.openssl} -DCUSTOM_OPENSSL_PREFIX=${openssl.prefix} -DCUSTOM_OPENSSL_LIB=${openssl.lib} -DCUSTOM_OPENSSL_INCLUDE=${openssl.include}"/>
+                      <arg line="${basedir}/src/ -DGENERATED_JAVAH=${project.build.directory}/native/javah -DJVM_ARCH_DATA_MODEL=${sun.arch.data.model} -DREQUIRE_BZIP2=${require.bzip2} -DREQUIRE_SNAPPY=${require.snappy} -DCUSTOM_SNAPPY_PREFIX=${snappy.prefix} -DCUSTOM_SNAPPY_LIB=${snappy.lib} -DCUSTOM_SNAPPY_INCLUDE=${snappy.include} -DREQUIRE_OPENSSL=${require.openssl} -DCUSTOM_OPENSSL_PREFIX=${openssl.prefix} -DCUSTOM_OPENSSL_LIB=${openssl.lib} -DCUSTOM_OPENSSL_INCLUDE=${openssl.include} -DEXTRA_LIBHADOOP_RPATH=${extra.libhadoop.rpath}"/>
                     </exec>
                     <exec executable="make" dir="${project.build.directory}/native" failonerror="true">
                       <arg line="VERBOSE=1"/>

hadoop-common-project/hadoop-common/src/CMakeLists.txt

@@ -267,8 +267,12 @@ IF (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
     # dlopen will look in the directory containing libhadoop.so.
     # However, $ORIGIN is not supported by all operating systems.
     #
+    set(RPATH "\$ORIGIN/")
+    if (EXTRA_LIBHADOOP_RPATH)
+        set(RPATH "${RPATH}:${EXTRA_LIBHADOOP_RPATH}/")
+    endif(EXTRA_LIBHADOOP_RPATH)
     SET_TARGET_PROPERTIES(hadoop 
-        PROPERTIES INSTALL_RPATH "\$ORIGIN/")
+        PROPERTIES INSTALL_RPATH "${RPATH}")
 ENDIF()
 
 target_link_dual_libraries(hadoop