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# Try to find the Singular Factory library
# See https://github.com/Singular/Sources/tree/spielwiese/factory
#
# This module supports requiring a minimum version, e.g. you can do
# find_package(Factory 4.1.1)
# to require version 4.1.1 to newer of FACTORY.
#
# Once done this will define
#
# FACTORY_FOUND - system has the FACTORY library with correct version
# FACTORY_INCLUDE_DIR - the FACTORY include directory
# FACTORY_LIBRARIES - the FACTORY library
# FACTORY_VERSION - FACTORY version
# Copyright (c) 2020, Mahrud Sayrafi, <mahrud@umn.edu>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# Set Factory_FIND_VERSION to 4.0.0 if no minimum version is specified
if(NOT Factory_FIND_VERSION)
if(NOT Factory_FIND_VERSION_MAJOR)
set(Factory_FIND_VERSION_MAJOR 4)
endif()
if(NOT Factory_FIND_VERSION_MINOR)
set(Factory_FIND_VERSION_MINOR 0)
endif()
if(NOT Factory_FIND_VERSION_PATCH)
set(Factory_FIND_VERSION_PATCH 0)
endif()
set(Factory_FIND_VERSION "${Factory_FIND_VERSION_MAJOR}.${Factory_FIND_VERSION_MINOR}.${Factory_FIND_VERSION_PATCH}")
endif()
macro(_Factory_check_version)
# Query Factory_VERSION
file(READ "${FACTORYCONF_INCLUDE_DIR}/factory/factoryconf.h" _factory_version_header)
string(REGEX MATCH "define[ \t]+PACKAGE_VERSION[ \t]+\"([0-9]+)\.([0-9]+)\.([0-9]+)\""
_factory_version_match "${_factory_version_header}")
set(FACTORY_MAJOR_VERSION "${CMAKE_MATCH_1}")
set(FACTORY_MINOR_VERSION "${CMAKE_MATCH_2}")
set(FACTORY_PATCHLEVEL_VERSION "${CMAKE_MATCH_3}")
set(FACTORY_VERSION
${FACTORY_MAJOR_VERSION}.${FACTORY_MINOR_VERSION}.${FACTORY_PATCHLEVEL_VERSION})
# Check whether found version exceeds minimum required
if(${FACTORY_VERSION} VERSION_LESS ${Factory_FIND_VERSION})
set(FACTORY_VERSION_OK FALSE)
message(STATUS "Factory version ${FACTORY_VERSION} found in ${FACTORY_INCLUDE_DIR}, "
"but at least version ${Factory_FIND_VERSION} is required")
else()
set(FACTORY_VERSION_OK TRUE)
endif()
endmacro(_Factory_check_version)
if(NOT FACTORY_FOUND)
set(FACTORYCONF_INCLUDE_DIR NOTFOUND)
set(FACTORY_INCLUDE_DIR NOTFOUND)
set(FACTORY_LIBRARIES NOTFOUND)
set(GFTABLESDIR NOTFOUND)
# search first if an FactoryConfig.cmake is available in the system,
# if successful this would set FACTORY_INCLUDE_DIR and the rest of
# the script will work as usual
find_package(Factory ${Factory_FIND_VERSION} NO_MODULE QUIET)
if(NOT FACTORY_INCLUDE_DIR)
find_path(FACTORYCONF_INCLUDE_DIR NAMES factory/factoryconf.h
HINTS ENV FACTORYDIR
PATHS ${INCLUDE_INSTALL_DIR} ${CMAKE_INSTALL_PREFIX}/include
PATH_SUFFIXES singular)
find_path(FACTORY_INCLUDE_DIR NAMES factory/factory.h
HINTS ENV FACTORYDIR
PATHS ${INCLUDE_INSTALL_DIR} ${CMAKE_INSTALL_PREFIX}/include
PATH_SUFFIXES singular)
find_path(GFTABLESDIR NAMES gftables/961
HINTS ENV GFTABLESDIR
PATHS ${CMAKE_SYSTEM_PREFIX_PATH}
PATH_SUFFIXES share/factory share/singular/factory)
set(FACTORY_INCLUDE_DIR "${FACTORY_INCLUDE_DIR};${FACTORYCONF_INCLUDE_DIR}")
endif()
if(FACTORYCONF_INCLUDE_DIR)
_Factory_check_version()
endif()
if(NOT FACTORY_LIBRARIES)
find_library(FACTORY_LIBRARIES NAMES factory singular-factory
HINTS ENV FACTORYDIR
PATHS ${LIB_INSTALL_DIR} ${CMAKE_INSTALL_PREFIX}/lib
)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Factory DEFAULT_MSG FACTORY_INCLUDE_DIR FACTORY_LIBRARIES FACTORY_VERSION_OK)
mark_as_advanced(FACTORY_INCLUDE_DIR FACTORY_LIBRARIES)
endif()
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