kicad/CMakeModules/Findngspice.cmake

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