153 lines
5.1 KiB
CMake
153 lines
5.1 KiB
CMake
# CMake script for finding libngspice
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# Copyright (C) 2016 CERN
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# Copyright (C) 2020 Kicad Developers, see AUTHORS.txt for contributors.
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#
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# Author: Maciej Suminski <maciej.suminski@cern.ch>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, you may find one here:
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# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# or you may search the http://www.gnu.org website for the version 2 license,
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# or you may write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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# Usage:
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#
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# ngspice uses pkg-config to gather the configuration information so the pkg-config
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# information is used to populate the CMake find_* commands. When pkg-config is not
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# available, the fallback is the default platform search paths set up by CMake. The
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# default search paths can be overridden by user. The order of precedence is as
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# follows:
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#
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# User defined root path NGSPICE_ROOT_DIR on CMake command line.
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# User defined root path environment variable NGSPICE_ROOT_DIR.
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# Paths generated by pkg-config.
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# The default system paths configured by CMake
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#
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# For a specific ngspice include path not defined above set NGSPICE_INCLUDE_PATH.
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#
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# For a specific ngspice library path not defined above set NGSPICE_LIBRARY_PATH.
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# Use pkg-config if it's available.
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find_package(PkgConfig)
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if( PKG_CONFIG_FOUND )
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pkg_check_modules( _NGSPICE ngspice )
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if( _NGSPICE_FOUND )
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set( NGSPICE_BUILD_VERSION "${_NGSPICE_VERSION}" CACHE STRING
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"ngspice version returned by pkg-config" )
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endif()
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endif()
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find_path( NGSPICE_INCLUDE_DIR ngspice/sharedspice.h
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PATHS
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${NGSPICE_ROOT_DIR}
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$ENV{NGSPICE_ROOT_DIR}
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${NGSPICE_INCLUDE_PATH}
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${_NGSPICE_INCLUDE_DIRS}
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PATH_SUFFIXES
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include
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src/include
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share/ngspice/include
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share/ngspice/include/ngspice
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)
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find_library( NGSPICE_LIBRARY ngspice
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PATHS
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${NGSPICE_ROOT_DIR}
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$ENV{NGSPICE_ROOT_DIR}
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${NGSPICE_LIBRARY_PATH}
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${_NGSPICE_LIBRARY_DIRS}
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PATH_SUFFIXES
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src/.libs
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lib
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)
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# If the ngspice version is not set by pkg-config, see if ngspice/config.h is available.
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if( NOT NGSPICE_BUILD_VERSION )
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find_file( NGSPICE_CONFIG_H ngspice/config.h
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PATHS
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${NGSPICE_ROOT_DIR}
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$ENV{NGSPICE_ROOT_DIR}
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${NGSPICE_INCLUDE_PATH}
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${_NGSPICE_INCLUDE_DIRS}
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PATH_SUFFIXES
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include
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src/include
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share/ngspice/include
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share/ngspice/include/ngspice
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)
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if( NOT NGSPICE_CONFIG_H-NOTFOUND )
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message( STATUS "ngspice configuration file ${NGSPICE_CONFIG_H} found." )
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set( NGSPICE_HAVE_CONFIG_H "1" CACHE STRING "ngspice/config.h header found." )
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endif()
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endif()
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if( WIN32 AND MSYS )
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# NGSPICE_LIBRARY points to libngspice.dll.a on Windows,
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# but the goal is to find out the DLL name.
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# Note: libngspice-0.dll or libngspice-1.dll must be in a executable path
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find_library( NGSPICE_DLL NAMES libngspice-0.dll libngspice-1.dll )
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# Some msys versions do not find xxx.dll lib files, only xxx.dll.a files
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# so try a find_file in exec paths
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if( NGSPICE_DLL STREQUAL "NGSPICE_DLL-NOTFOUND" )
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find_file( NGSPICE_DLL NAMES libngspice-0.dll libngspice-1.dll
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PATHS
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${NGSPICE_ROOT_DIR}
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PATH_SUFFIXES
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bin
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lib
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)
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endif()
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if( NGSPICE_DLL STREQUAL "NGSPICE_DLL-NOTFOUND" )
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message( ERROR ":\n***** libngspice-x.dll not found in any executable path *****\n\n" )
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else()
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message( STATUS ": libngspice shared lib found: ${NGSPICE_DLL}\n" )
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endif()
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else()
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set( NGSPICE_DLL "${NGSPICE_LIBRARY}" )
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endif()
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include( FindPackageHandleStandardArgs )
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if( ${NGSPICE_INCLUDE_DIR} STREQUAL "NGSPICE_INCLUDE_DIR-NOTFOUND" OR ${NGSPICE_LIBRARY} STREQUAL "NGSPICE_LIBRARY-NOTFOUND" )
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message( "" )
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message( "*** NGSPICE library missing ***" )
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message( "Most of ngspice packages do not provide the required libngspice library." )
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message( "You can either compile ngspice configured with --with-ngshared parameter" )
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message( "or run a script that does the job for you:" )
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message( " cd ./scripting/build_tools" )
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message( " chmod +x get_libngspice_so.sh" )
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message( " ./get_libngspice_so.sh" )
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message( " sudo ./get_libngspice_so.sh install" )
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message( "" )
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endif()
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find_package_handle_standard_args( ngspice
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REQUIRED_VARS NGSPICE_INCLUDE_DIR NGSPICE_LIBRARY NGSPICE_DLL )
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mark_as_advanced(
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NGSPICE_INCLUDE_DIR
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NGSPICE_LIBRARY
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NGSPICE_DLL
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NGSPICE_BUILD_VERSION
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NGSPIC_HAVE_CONFIG_H
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)
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