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# (C) Copyright 2011- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation nor
# does it submit to any jurisdiction.
if( NOT ${PROJECT_NAME}_ECBUILD_SYSTEM_INCLUDED )
set( ${PROJECT_NAME}_ECBUILD_SYSTEM_INCLUDED TRUE )
include( ecbuild )
########################################################################################################
# disallow in-source build
if( EXISTS ${CMAKE_SOURCE_DIR}/CMakeCache.txt ) # check for failed attempts to build within the source tree
message( FATAL_ERROR "Project ${PROJECT_NAME} contains a CMakeCache.txt inside source tree [${CMAKE_SOURCE_DIR}/CMakeCache.txt].\n Please remove it and
make sure that source tree is prestine and clean of unintended files, before retrying." )
endif()
get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH)
get_filename_component(bindir "${CMAKE_BINARY_DIR}" REALPATH)
if(${srcdir} STREQUAL ${bindir})
message("######################################################")
message("You are attempting to build in your source directory (${srcdir}).")
message("You must run cmake from a different build directory.")
message("######################################################")
message( FATAL_ERROR "${PROJECT_NAME} requires an out of source build.\n Please create a separate build directory and run 'cmake path/to/project [options]' from there.")
endif()
########################################################################################################
# ecbuild versioning support
set( ECBUILD_CMAKE_MINIMUM "3.11.0" )
if( ${CMAKE_VERSION} VERSION_LESS ${ECBUILD_CMAKE_MINIMUM} )
message(FATAL_ERROR "${PROJECT_NAME} requires at least CMake ${ECBUILD_CMAKE_MINIMUM} -- you are using ${CMAKE_COMMAND} [${CMAKE_VERSION}]\n Please, get a newer version of CMake @ www.cmake.org" )
endif()
set( ECBUILD_MACROS_DIR "${CMAKE_CURRENT_LIST_DIR}" CACHE INTERNAL "where ecbuild system is" )
if( NOT ecbuild_VERSION_STR )
include( ecbuild_parse_version )
ecbuild_parse_version_file( "${ECBUILD_MACROS_DIR}/VERSION" PREFIX ecbuild )
endif()
# Set policies
if( NOT ( PROJECT_NAME STREQUAL ecbuild ) )
include( ecbuild_policies NO_POLICY_SCOPE )
endif()
# set capitalised project name
if( ECBUILD_2_COMPAT )
string( TOUPPER ${PROJECT_NAME} PROJECT_NAME_CAPS )
string( TOLOWER ${PROJECT_NAME} PROJECT_NAME_LOWCASE )
endif()
########################################################################################################
# include our cmake macros, but only if any parent project is not an ecbuild project
if( NOT ECBUILD_SYSTEM_INITIALISED )
# hostname of where we build
site_name( BUILD_SITE )
mark_as_advanced( BUILD_SITE )
mark_as_advanced( BUILD_TESTING )
set( ECBUILD_PROJECTS "" CACHE INTERNAL "list of ecbuild (sub)projects that use ecbuild" )
# Include log macros since these are used right away
include( ecbuild_log )
# Enable the compatibility layer
if(ECBUILD_2_COMPAT)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_LIST_DIR}/compat" )
include(ecbuild_compat)
# Deprecate capitalised project name
ecbuild_mark_compat(${PROJECT_NAME_CAPS} ${PROJECT_NAME})
ecbuild_mark_compat(${PROJECT_NAME_LOWCASE} ${PROJECT_NAME})
endif()
execute_process( COMMAND env OUTPUT_VARIABLE __env )
ecbuild_debug( "---------------------------------------------------------" )
ecbuild_debug( "Environment:" )
ecbuild_debug( "---------------------------------------------------------\n${__env}" )
ecbuild_debug( "---------------------------------------------------------" )
ecbuild_info( "ecbuild ${ecbuild_VERSION_STR}\t${ECBUILD_MACROS_DIR}" )
ecbuild_info( "cmake ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}\t${CMAKE_COMMAND}" )
if( CMAKE_TOOLCHAIN_FILE )
ecbuild_info( "toolchain ${CMAKE_TOOLCHAIN_FILE}" )
endif()
if( ECBUILD_CONFIG )
ecbuild_info( "config ${ECBUILD_CONFIG}" )
endif()
if( ECBUILD_CACHE )
include( ${ECBUILD_CACHE} )
ecbuild_info( "cache ${ECBUILD_CACHE}" )
endif()
ecbuild_info( "---------------------------------------------------------" )
# add extra macros from external contributions
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_LIST_DIR}/contrib" )
############################################################################################
# define valid build types
include(ecbuild_define_build_types)
############################################################################################
# define custom properties
include(ecbuild_define_properties)
############################################################################################
# add cmake macros
include(AddFileDependencies)
include(CheckTypeSize)
include(CheckIncludeFile)
include(CheckIncludeFiles)
include(CheckFunctionExists)
include(CheckSymbolExists)
include(CheckCCompilerFlag)
include(CheckCSourceCompiles)
include(CheckCSourceRuns)
include(CMakeParseArguments)
include(CMakePushCheckState)
# include(CMakePrintSystemInformation) # available in cmake 2.8.4
if( CMAKE_CXX_COMPILER_LOADED )
include(CheckIncludeFileCXX)
include(CheckCXXCompilerFlag)
include(CheckCXXSourceCompiles)
include(CheckCXXSourceRuns)
endif()
if( CMAKE_Fortran_COMPILER_LOADED )
set( CMAKE_Fortran_MODULE_DIRECTORY ${CMAKE_BINARY_DIR}/module CACHE PATH "directory for all fortran modules." )
include(CheckFortranFunctionExists)
if( CMAKE_C_COMPILER_LOADED AND ENABLE_FORTRAN_C_INTERFACE )
include(FortranCInterface)
endif()
set( EC_HAVE_FORTRAN 1 )
endif()
include(FeatureSummary) # support features in cmake
include(TestBigEndian)
############################################################################################
# add our macros
include( ecbuild_evaluate_dynamic_condition )
include( ecbuild_filter_list )
include( ecbuild_regex_escape )
include( ecbuild_parse_version )
include( ecbuild_list_macros )
include( ecbuild_list_add_pattern )
include( ecbuild_list_exclude_pattern )
include( ecbuild_try_run )
include( ecbuild_check_c_source_return )
include( ecbuild_check_cxx_source_return )
include( ecbuild_check_fortran_source_return )
include( ecbuild_requires_macro_version )
include( ecbuild_get_date )
include( ecbuild_add_persistent )
include( ecbuild_generate_config_headers )
include( ecbuild_generate_yy )
include( ecbuild_generate_fortran_interfaces )
include( ecbuild_echo_targets )
include( ecbuild_features )
include( ecbuild_add_option )
include( ecbuild_add_library )
include( ecbuild_add_executable )
include( ecbuild_append_to_rpath )
include( ecbuild_download_resource )
include( ecbuild_get_test_data )
include( ecbuild_check_urls )
include( ecbuild_add_c_flags )
include( ecbuild_add_cxx_flags )
include( ecbuild_get_cxx11_flags )
include( ecbuild_check_fortran )
include( ecbuild_add_fortran_flags )
include( ecbuild_add_test )
include( ecbuild_add_resources )
include( ecbuild_get_resources )
include( ecbuild_dont_pack )
include( ecbuild_project_files )
include( ecbuild_declare_project )
include( ecbuild_generate_project_config )
include( ecbuild_install_project )
include( ecbuild_separate_sources )
include( ecbuild_find_package_search_hints )
include( ecbuild_find_package )
include( ecbuild_print_summary )
include( ecbuild_warn_unused_files )
include( ecbuild_find_mpi )
include( ecbuild_find_omp )
include( ecbuild_find_perl )
include( ecbuild_find_python )
include( ecbuild_find_lexyacc )
include( ecbuild_find_fortranlibs )
include( ecbuild_git )
include( ecbuild_enable_fortran )
include( ecbuild_source_flags )
include( ecbuild_target_flags )
include( ecbuild_target_fortran_module_directory )
include( ecbuild_pkgconfig )
include( ecbuild_cache )
include( ecbuild_remove_fortran_flags )
include( ecbuild_configure_file )
include( ecbuild_install_dependency_with_soversion )
if( NOT (PROJECT_NAME STREQUAL ecbuild) )
include( ecbuild_bundle )
endif()
include( ${CMAKE_CURRENT_LIST_DIR}/contrib/GetGitRevisionDescription.cmake )
############################################################################################
# kickstart the build system
if( ECBUILD_CONFIG )
include( ${ECBUILD_CONFIG} )
endif()
ecbuild_prepare_cache()
if( NOT (PROJECT_NAME STREQUAL ecbuild ) )
include( ecbuild_define_options ) # define build options
include( ecbuild_compiler_flags ) # compiler flags
include( ecbuild_check_compiler ) # check for compiler characteristics
include( ecbuild_check_os ) # check for os characteristics
endif()
include( ecbuild_define_paths ) # defines installation paths
ecbuild_flush_cache()
############################################################################################
# Testing
include(CTest) # add cmake testing support
enable_testing()
############################################################################################
# define the build timestamp, unless the user provided one via EC_BUILD_TIMESTAMP
if( NOT DEFINED EC_BUILD_TIMESTAMP )
ecbuild_get_timestamp( EC_BUILD_TIMESTAMP )
set( EC_BUILD_TIMESTAMP "${EC_BUILD_TIMESTAMP}" CACHE INTERNAL "Build timestamp" )
endif()
ecbuild_info( "---------------------------------------------------------" )
set( ECBUILD_SYSTEM_INITIALISED TRUE )
else()
# Allow subprojects with different compilation flags. This could be done by defining
# set( ECBUILD_C_FLAGS_DEBUG "-O0" )
# or
# set( ECBUILD_CONFIG "<subproject-config>.cmake" )
if( ECBUILD_CONFIG )
ecbuild_info( "---------------------------------------------------------" )
ecbuild_info( "config ${ECBUILD_CONFIG}" )
include( ${ECBUILD_CONFIG} )
endif()
include( ecbuild_compiler_flags )
endif()
endif()
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