# # Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # # Common CMake utilities and configuration, shared by all Native components. # # # Platform-specific prerequisite checks. # if(CMAKE_SYSTEM_NAME STREQUAL "SunOS") # Only 64-bit Java is supported. if(NOT JVM_ARCH_DATA_MODEL EQUAL 64) message(FATAL_ERROR "Unrecognised JVM_ARCH_DATA_MODEL '${JVM_ARCH_DATA_MODEL}'. " "A 64-bit JVM must be used on Solaris, make sure that one is installed and, " "if necessary, the MAVEN_OPTS environment variable includes '-d64'") endif() # Only gcc is suported for now. if(NOT(CMAKE_COMPILER_IS_GNUCC AND CMAKE_COMPILER_IS_GNUCXX)) message(FATAL_ERROR "Only gcc is supported on Solaris") endif() endif() # # Helper functions and macros. # # Add flags to all the CMake compiler variables macro(hadoop_add_compiler_flags FLAGS) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLAGS}") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}") endmacro() # Add flags to all the CMake linker variables macro(hadoop_add_linker_flags FLAGS) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAGS}") set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FLAGS}") set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} ${FLAGS}") endmacro() # Compile a library with both shared and static variants. function(hadoop_add_dual_library LIBNAME) add_library(${LIBNAME} SHARED ${ARGN}) add_library(${LIBNAME}_static STATIC ${ARGN}) set_target_properties(${LIBNAME}_static PROPERTIES OUTPUT_NAME ${LIBNAME}) endfunction() # Link both a static and a dynamic target against some libraries. function(hadoop_target_link_dual_libraries LIBNAME) target_link_libraries(${LIBNAME} ${ARGN}) target_link_libraries(${LIBNAME}_static ${ARGN}) endfunction() # Set all the output directories to the same place. function(hadoop_output_directory TGT DIR) set_target_properties(${TGT} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${DIR}") set_target_properties(${TGT} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${DIR}") set_target_properties(${TGT} PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${DIR}") endfunction() # Set the target directories for dynamic and static builds. function(hadoop_dual_output_directory TGT DIR) hadoop_output_directory(${TGT} "${DIR}") hadoop_output_directory(${TGT}_static "${DIR}") endfunction() # Alter the behavior of find_package and find_library so that we find only # shared libraries with a given version suffix. You should save # CMAKE_FIND_LIBRARY_SUFFIXES before calling this function and restore it # afterwards. On Windows this function is a no-op. Windows does not encode # version number information information into library path names. macro(hadoop_set_find_shared_library_version LVERS) if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") # Mac OS uses .dylib set(CMAKE_FIND_LIBRARY_SUFFIXES ".${LVERS}.dylib") elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD") # FreeBSD has always .so installed. set(CMAKE_FIND_LIBRARY_SUFFIXES ".so") elseif(${CMAKE_SYSTEM_NAME} MATCHES "Windows") # Windows doesn't support finding shared libraries by version. else() # Most UNIX variants use .so set(CMAKE_FIND_LIBRARY_SUFFIXES ".so.${LVERS}") endif() endmacro() # Alter the behavior of find_package and find_library so that we find only # shared libraries without any version suffix. You should save # CMAKE_FIND_LIBRARY_SUFFIXES before calling this function and restore it # afterwards. On Windows this function is a no-op. Windows does not encode # version number information information into library path names. macro(hadoop_set_find_shared_library_without_version) if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") # Mac OS uses .dylib set(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib") elseif(${CMAKE_SYSTEM_NAME} MATCHES "Windows") # No effect else() # Most UNIX variants use .so set(CMAKE_FIND_LIBRARY_SUFFIXES ".so") endif() endmacro() # # Configuration. # # Initialise the shared gcc/g++ flags if they aren't already defined. if(NOT DEFINED GCC_SHARED_FLAGS) set(GCC_SHARED_FLAGS "-g -O2 -Wall -pthread -D_FILE_OFFSET_BITS=64") endif() # Add in support other compilers here, if necessary, # the assumption is that GCC or a GCC-compatible compiler is being used. # Set the shared GCC-compatible compiler and linker flags. hadoop_add_compiler_flags("${GCC_SHARED_FLAGS}") hadoop_add_linker_flags("${LINKER_SHARED_FLAGS}") # # Linux-specific configuration. # if(CMAKE_SYSTEM_NAME STREQUAL "Linux") # Make GNU extensions available. hadoop_add_compiler_flags("-D_GNU_SOURCE") # If JVM_ARCH_DATA_MODEL is 32, compile all binaries as 32-bit. if(JVM_ARCH_DATA_MODEL EQUAL 32) # Force 32-bit code generation on amd64/x86_64, ppc64, sparc64 if(CMAKE_COMPILER_IS_GNUCC AND CMAKE_SYSTEM_PROCESSOR MATCHES ".*64") hadoop_add_compiler_flags("-m32") hadoop_add_linker_flags("-m32") endif() # Set CMAKE_SYSTEM_PROCESSOR to ensure that find_package(JNI) will use 32-bit libraries if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64") set(CMAKE_SYSTEM_PROCESSOR "i686") endif() endif() # Determine float ABI of JVM on ARM. if(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm") find_program(READELF readelf) if(READELF MATCHES "NOTFOUND") message(WARNING "readelf not found; JVM float ABI detection disabled") else(READELF MATCHES "NOTFOUND") execute_process( COMMAND ${READELF} -A ${JAVA_JVM_LIBRARY} OUTPUT_VARIABLE JVM_ELF_ARCH ERROR_QUIET) if(NOT JVM_ELF_ARCH MATCHES "Tag_ABI_VFP_args: VFP registers") # Test compilation with -mfloat-abi=softfp using an arbitrary libc function # (typically fails with "fatal error: bits/predefs.h: No such file or directory" # if soft-float dev libraries are not installed) message("Soft-float JVM detected") include(CMakePushCheckState) cmake_push_check_state() set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -mfloat-abi=softfp") include(CheckSymbolExists) check_symbol_exists(exit stdlib.h SOFTFP_AVAILABLE) if(NOT SOFTFP_AVAILABLE) message(FATAL_ERROR "Soft-float dev libraries required (e.g. 'apt-get install libc6-dev-armel' on Debian/Ubuntu)") endif() cmake_pop_check_state() hadoop_add_compiler_flags("-mfloat-abi=softfp") endif() endif() endif() # # Solaris-specific configuration. # elseif(CMAKE_SYSTEM_NAME STREQUAL "SunOS") # Solaris flags. 64-bit compilation is mandatory, and is checked earlier. hadoop_add_compiler_flags("-m64 -D__EXTENSIONS__ -D_POSIX_PTHREAD_SEMANTICS -D_XOPEN_SOURCE=500") hadoop_add_linker_flags("-m64") # CMAKE_SYSTEM_PROCESSOR is set to the output of 'uname -p', which on Solaris is # the 'lowest' ISA supported, i.e. 'i386' or 'sparc'. However in order for the # standard CMake modules to look in the right places it needs to reflect the required # compilation mode, i.e. 64 bit. We therefore force it to either 'amd64' or 'sparcv9'. if(CMAKE_SYSTEM_PROCESSOR STREQUAL "i386") set(CMAKE_SYSTEM_PROCESSOR "amd64") set(CMAKE_LIBRARY_ARCHITECTURE "amd64") elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "sparc") set(CMAKE_SYSTEM_PROCESSOR STREQUAL "sparcv9") set(CMAKE_LIBRARY_ARCHITECTURE "sparcv9") else() message(FATAL_ERROR "Unrecognised CMAKE_SYSTEM_PROCESSOR ${CMAKE_SYSTEM_PROCESSOR}") endif() endif()