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# - Try to find Inchi lib
# Once done this will define
#
# INCHI_FOUND - system has inchi lib
# INCHI_INCLUDE_DIR - the inchi include directory
# INCHI_LIBRARIES - the inchi library
# Taken from the open babel distribution
# https://openbabel.svn.sourceforge.net/svnroot/openbabel/openbabel/trunk/cmake/modules/FindInchi.cmake
# Copyright (c) 2010 Marcus D. Hanwell, <marcus@cryos.org>
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
if(INCHI_INCLUDE_DIR AND INCHI_LIBRARY)
# in cache already
set(INCHI_FOUND TRUE)
else()
find_path(INCHI_INCLUDE_DIR NAMES inchi_api.h PATHS /usr/include/inchi )
find_library(INCHI_LIBRARY NAMES inchi Inchi)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Inchi
"Could NOT find InChI in system locations" INCHI_LIBRARY
INCHI_INCLUDE_DIR)
set(INCHI_INCLUDE_DIRS ${INCHI_INCLUDE_DIR} )
set(INCHI_LIBRARIES ${INCHI_LIBRARY} )
mark_as_advanced(INCHI_INCLUDE_DIR INCHI_LIBRARY)
endif()
set(CUSTOM_INCHI_PATH "${CMAKE_CURRENT_SOURCE_DIR}/External/INCHI-API")
# check whether we have custom InChI source
if(EXISTS ${CUSTOM_INCHI_PATH}/src/INCHI_BASE/src/ichican2.c)
message("CUSTOM_INCHI_PATH = ${CUSTOM_INCHI_PATH}")
message(STATUS "Found InChI software locally")
if(INCHI_FOUND)
message(WARNING "** Local InChI software takes precedence when both system InChI and local InChI are found")
endif(INCHI_FOUND)
else(EXISTS ${CUSTOM_INCHI_PATH}/src/INCHI_BASE/src/ichican2.c)
if (INCHI_FOUND)
include_directories(${INCHI_INCLUDE_DIR})
else (INCHI_FOUND)
# system InChI is missing, download it
if(NOT DEFINED INCHI_URL)
set(INCHI_URL "https://github.com/IUPAC-InChI/InChI/releases/download/v1.07.3/INCHI-1-SRC.zip")
endif()
if(NOT DEFINED INCHI_MD5SUM)
set(INCHI_MD5SUM "b761f37a7d3a3ff8574daf6906993759")
endif()
if(NOT DEFINED INCHI_BASE)
string(REGEX REPLACE "^.*/" "" INCHI_BASE "${INCHI_URL}")
endif()
downloadAndCheckMD5(${INCHI_URL} "${CUSTOM_INCHI_PATH}/${INCHI_BASE}" ${INCHI_MD5SUM})
execute_process(COMMAND ${CMAKE_COMMAND} -E tar xf
${CUSTOM_INCHI_PATH}/INCHI-1-SRC.zip
WORKING_DIRECTORY ${CUSTOM_INCHI_PATH})
execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_directory
"${CUSTOM_INCHI_PATH}/INCHI-1-SRC" "${CUSTOM_INCHI_PATH}/src")
endif(INCHI_FOUND)
endif(EXISTS ${CUSTOM_INCHI_PATH}/src/INCHI_BASE/src/ichican2.c)
if(EXISTS ${CUSTOM_INCHI_PATH}/src/INCHI_BASE/src/ichican2.c)
set(INCHI_LIBRARIES Inchi)
endif(EXISTS ${CUSTOM_INCHI_PATH}/src/INCHI_BASE/src/ichican2.c)
if((NOT EXISTS ${CUSTOM_INCHI_PATH}/src/INCHI_BASE/src/ichican2.c)
AND (NOT INCHI_FOUND))
message(WARNING "** NO INCHI SOFTWARE FOUND\n"
"InChI support will be turned off. If you want to add InChI support, please follow the instructions inside $RDBASE/External/INCHI-API/README to download a copy of InChI software and then rerun cmake.")
set(RDK_BUILD_INCHI_SUPPORT OFF)
endif()
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