b4a105a209
* Passing C/C++ standard flags -std is
not cross-compiler friendly as not all
compilers support all values.
* Thus, we need to make use of the
appropriate flags provided by CMake in
order to specify the C/C++ standards.
Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
(cherry picked from commit 909f1e82d3)
215 lines
8.6 KiB
CMake
215 lines
8.6 KiB
CMake
#
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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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#
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# Common CMake utilities and configuration, shared by all Native components.
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#
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#
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# Platform-specific prerequisite checks.
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#
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if(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
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# Only 64-bit Java is supported.
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if(NOT JVM_ARCH_DATA_MODEL EQUAL 64)
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message(FATAL_ERROR "Unrecognised JVM_ARCH_DATA_MODEL '${JVM_ARCH_DATA_MODEL}'. "
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"A 64-bit JVM must be used on Solaris, make sure that one is installed and, "
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"if necessary, the MAVEN_OPTS environment variable includes '-d64'")
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endif()
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# Only gcc is suported for now.
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if(NOT(CMAKE_COMPILER_IS_GNUCC AND CMAKE_COMPILER_IS_GNUCXX))
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message(FATAL_ERROR "Only gcc is supported on Solaris")
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endif()
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endif()
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#
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# Helper functions and macros.
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#
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# Add flags to all the CMake compiler variables
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macro(hadoop_add_compiler_flags FLAGS)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}")
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endmacro()
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# Add flags to all the CMake linker variables.
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macro(hadoop_add_linker_flags FLAGS)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FLAGS}")
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endmacro()
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# Compile a library with both shared and static variants.
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function(hadoop_add_dual_library LIBNAME)
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add_library(${LIBNAME} SHARED ${ARGN})
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add_library(${LIBNAME}_static STATIC ${ARGN})
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set_target_properties(${LIBNAME}_static PROPERTIES OUTPUT_NAME ${LIBNAME})
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endfunction()
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# Link both a static and a dynamic target against some libraries.
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function(hadoop_target_link_dual_libraries LIBNAME)
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target_link_libraries(${LIBNAME} ${ARGN})
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target_link_libraries(${LIBNAME}_static ${ARGN})
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endfunction()
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# Set all the output directories to the same place.
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function(hadoop_output_directory TGT DIR)
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set_target_properties(${TGT} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${DIR}")
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set_target_properties(${TGT} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${DIR}")
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set_target_properties(${TGT} PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${DIR}")
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endfunction()
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# Set the target directories for dynamic and static builds.
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function(hadoop_dual_output_directory TGT DIR)
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hadoop_output_directory(${TGT} "${DIR}")
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hadoop_output_directory(${TGT}_static "${DIR}")
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endfunction()
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# Alter the behavior of find_package and find_library so that we find only
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# shared libraries with a given version suffix. You should save
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# CMAKE_FIND_LIBRARY_SUFFIXES before calling this function and restore it
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# afterwards. On Windows this function is a no-op. Windows does not encode
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# version number information information into library path names.
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macro(hadoop_set_find_shared_library_version LVERS)
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if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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# Mac OS uses .dylib
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".${LVERS}.dylib")
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
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# FreeBSD has always .so installed.
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".so")
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
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# Windows doesn't support finding shared libraries by version.
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else()
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# Most UNIX variants use .so
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".so.${LVERS}")
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endif()
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endmacro()
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# Alter the behavior of find_package and find_library so that we find only
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# shared libraries without any version suffix. You should save
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# CMAKE_FIND_LIBRARY_SUFFIXES before calling this function and restore it
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# afterwards. On Windows this function is a no-op. Windows does not encode
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# version number information information into library path names.
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macro(hadoop_set_find_shared_library_without_version)
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if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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# Mac OS uses .dylib
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib")
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
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# No effect
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else()
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# Most UNIX variants use .so
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".so")
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endif()
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endmacro()
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# set the shared compiler flags
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# support for GNU C/C++, add other compilers as necessary
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if (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR
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CMAKE_C_COMPILER_ID STREQUAL "Clang" OR
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CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
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if(NOT DEFINED GCC_SHARED_FLAGS)
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find_package(Threads REQUIRED)
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if(CMAKE_USE_PTHREADS_INIT)
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set(GCC_SHARED_FLAGS "-g -O2 -Wall -pthread -D_FILE_OFFSET_BITS=64")
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else()
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set(GCC_SHARED_FLAGS "-g -O2 -Wall -D_FILE_OFFSET_BITS=64")
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endif()
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endif()
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endif()
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# Set the shared linker flags.
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hadoop_add_compiler_flags("${GCC_SHARED_FLAGS}")
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hadoop_add_linker_flags("${LINKER_SHARED_FLAGS}")
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#
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# Linux-specific configuration.
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#
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if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
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# Make GNU extensions available.
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hadoop_add_compiler_flags("-D_GNU_SOURCE")
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# If JVM_ARCH_DATA_MODEL is 32, compile all binaries as 32-bit.
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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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hadoop_add_compiler_flags("-m32")
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hadoop_add_linker_flags("-m32")
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endif()
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# Set CMAKE_SYSTEM_PROCESSOR to ensure that find_package(JNI) will use 32-bit libraries
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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 "i686")
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endif()
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endif()
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# Determine float ABI of JVM on ARM.
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
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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 ${JAVA_JVM_LIBRARY}
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OUTPUT_VARIABLE JVM_ELF_ARCH
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ERROR_QUIET)
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if(NOT JVM_ELF_ARCH MATCHES "Tag_ABI_VFP_args: VFP registers")
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# Test compilation with -mfloat-abi=softfp using an arbitrary libc function
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# (typically fails with "fatal error: bits/predefs.h: No such file or directory"
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# if soft-float dev libraries are not installed)
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message("Soft-float JVM detected")
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include(CMakePushCheckState)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_FLAGS "${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()
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cmake_pop_check_state()
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hadoop_add_compiler_flags("-mfloat-abi=softfp")
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endif()
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endif()
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endif()
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#
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# Solaris-specific configuration.
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#
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elseif(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
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# Solaris flags. 64-bit compilation is mandatory, and is checked earlier.
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hadoop_add_compiler_flags("-m64 -D_POSIX_C_SOURCE=200112L -D__EXTENSIONS__ -D_POSIX_PTHREAD_SEMANTICS")
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set(CMAKE_CXX_STANDARD 98)
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hadoop_add_linker_flags("-m64")
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# CMAKE_SYSTEM_PROCESSOR is set to the output of 'uname -p', which on Solaris is
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# the 'lowest' ISA supported, i.e. 'i386' or 'sparc'. However in order for the
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# standard CMake modules to look in the right places it needs to reflect the required
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# compilation mode, i.e. 64 bit. We therefore force it to either 'amd64' or 'sparcv9'.
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if(CMAKE_SYSTEM_PROCESSOR STREQUAL "i386")
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set(CMAKE_SYSTEM_PROCESSOR "amd64")
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set(CMAKE_LIBRARY_ARCHITECTURE "amd64")
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elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "sparc")
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set(CMAKE_SYSTEM_PROCESSOR "sparcv9")
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set(CMAKE_LIBRARY_ARCHITECTURE "sparcv9")
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else()
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message(FATAL_ERROR "Unrecognised CMAKE_SYSTEM_PROCESSOR ${CMAKE_SYSTEM_PROCESSOR}")
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endif()
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endif()
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# Set GNU99 as the C standard to use
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set(CMAKE_C_STANDARD 99) |