HADOOP-12170. hadoop-common's JNIFlags.cmake is redundant and can be removed (Alan Burlison via Colin P. McCabe)
(cherry picked from commit e4b0c74434)
This commit is contained in:
Colin Patrick Mccabe
parent
fed9f767b1
commit
2419711369
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@ -220,6 +220,9 @@ Release 2.8.0 - UNRELEASED
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HADOOP-12259. Utility to Dynamic port allocation (brahmareddy via rkanter)
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HADOOP-12170. hadoop-common's JNIFlags.cmake is redundant and can be
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removed (Alan Burlison via Colin P. McCabe)
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OPTIMIZATIONS
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HADOOP-11785. Reduce the number of listStatus operation in distcp
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@ -1,124 +0,0 @@
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
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# If JVM_ARCH_DATA_MODEL is 32, compile all binaries as 32-bit.
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# This variable is set by maven.
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if (JVM_ARCH_DATA_MODEL EQUAL 32)
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# Force 32-bit code generation on amd64/x86_64, ppc64, sparc64
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if (CMAKE_COMPILER_IS_GNUCC AND CMAKE_SYSTEM_PROCESSOR MATCHES ".*64")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
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set(CMAKE_LD_FLAGS "${CMAKE_LD_FLAGS} -m32")
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endif ()
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if (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64")
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# Set CMAKE_SYSTEM_PROCESSOR to ensure that find_package(JNI) will use
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# the 32-bit version of libjvm.so.
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set(CMAKE_SYSTEM_PROCESSOR "i686")
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endif ()
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endif (JVM_ARCH_DATA_MODEL EQUAL 32)
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# Determine float ABI of JVM on ARM Linux
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if (CMAKE_SYSTEM_PROCESSOR MATCHES "^arm" AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
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find_program(READELF readelf)
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if (READELF MATCHES "NOTFOUND")
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message(WARNING "readelf not found; JVM float ABI detection disabled")
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else (READELF MATCHES "NOTFOUND")
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execute_process(
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COMMAND ${READELF} -A ${JAVA_JVM_LIBRARY}
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OUTPUT_VARIABLE JVM_ELF_ARCH
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ERROR_QUIET)
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if (NOT JVM_ELF_ARCH MATCHES "Tag_ABI_VFP_args: VFP registers")
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message("Soft-float JVM detected")
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# Test compilation with -mfloat-abi=softfp using an arbitrary libc function
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# (typically fails with "fatal error: bits/predefs.h: No such file or directory"
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# if soft-float dev libraries are not installed)
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include(CMakePushCheckState)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -mfloat-abi=softfp")
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include(CheckSymbolExists)
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check_symbol_exists(exit stdlib.h SOFTFP_AVAILABLE)
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if (NOT SOFTFP_AVAILABLE)
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message(FATAL_ERROR "Soft-float dev libraries required (e.g. 'apt-get install libc6-dev-armel' on Debian/Ubuntu)")
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endif (NOT SOFTFP_AVAILABLE)
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cmake_pop_check_state()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=softfp")
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endif ()
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endif (READELF MATCHES "NOTFOUND")
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endif (CMAKE_SYSTEM_PROCESSOR MATCHES "^arm" AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
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IF("${CMAKE_SYSTEM}" MATCHES "Linux")
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#
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# Locate JNI_INCLUDE_DIRS and JNI_LIBRARIES.
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# Since we were invoked from Maven, we know that the JAVA_HOME environment
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# variable is valid. So we ignore system paths here and just use JAVA_HOME.
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#
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FILE(TO_CMAKE_PATH "$ENV{JAVA_HOME}" _JAVA_HOME)
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IF(CMAKE_SYSTEM_PROCESSOR MATCHES "^i.86$")
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SET(_java_libarch "i386")
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ELSEIF (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64")
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SET(_java_libarch "amd64")
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ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
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SET(_java_libarch "arm")
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ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64le")
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IF(EXISTS "${_JAVA_HOME}/jre/lib/ppc64le")
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SET(_java_libarch "ppc64le")
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ELSE()
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SET(_java_libarch "ppc64")
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ENDIF()
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ELSE()
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SET(_java_libarch ${CMAKE_SYSTEM_PROCESSOR})
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ENDIF()
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SET(_JDK_DIRS "${_JAVA_HOME}/jre/lib/${_java_libarch}/*"
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"${_JAVA_HOME}/jre/lib/${_java_libarch}"
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"${_JAVA_HOME}/jre/lib/*"
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"${_JAVA_HOME}/jre/lib"
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"${_JAVA_HOME}/lib/*"
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"${_JAVA_HOME}/lib"
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"${_JAVA_HOME}/include/*"
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"${_JAVA_HOME}/include"
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"${_JAVA_HOME}"
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)
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FIND_PATH(JAVA_INCLUDE_PATH
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NAMES jni.h
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PATHS ${_JDK_DIRS}
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NO_DEFAULT_PATH)
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#In IBM java, it's jniport.h instead of jni_md.h
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FIND_PATH(JAVA_INCLUDE_PATH2
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NAMES jni_md.h jniport.h
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PATHS ${_JDK_DIRS}
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NO_DEFAULT_PATH)
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SET(JNI_INCLUDE_DIRS ${JAVA_INCLUDE_PATH} ${JAVA_INCLUDE_PATH2})
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FIND_LIBRARY(JAVA_JVM_LIBRARY
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NAMES jvm JavaVM
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PATHS ${_JDK_DIRS}
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NO_DEFAULT_PATH)
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SET(JNI_LIBRARIES ${JAVA_JVM_LIBRARY})
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MESSAGE("JAVA_HOME=${JAVA_HOME}, JAVA_JVM_LIBRARY=${JAVA_JVM_LIBRARY}")
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MESSAGE("JAVA_INCLUDE_PATH=${JAVA_INCLUDE_PATH}, JAVA_INCLUDE_PATH2=${JAVA_INCLUDE_PATH2}")
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IF(JAVA_JVM_LIBRARY AND JAVA_INCLUDE_PATH AND JAVA_INCLUDE_PATH2)
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MESSAGE("Located all JNI components successfully.")
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ELSE()
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MESSAGE(FATAL_ERROR "Failed to find a viable JVM installation under JAVA_HOME.")
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ENDIF()
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ELSE()
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find_package(JNI REQUIRED)
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ENDIF()
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