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| 1 | +## |
| 2 | +# |
| 3 | +# This file is part of OpenFLUID software |
| 4 | +# Copyright(c) 2007, INRA - Montpellier SupAgro |
| 5 | +# |
| 6 | +# |
| 7 | +# == GNU General Public License Usage == |
| 8 | +# |
| 9 | +# OpenFLUID is free software: you can redistribute it and/or modify |
| 10 | +# it under the terms of the GNU General Public License as published by |
| 11 | +# the Free Software Foundation, either version 3 of the License, or |
| 12 | +# (at your option) any later version. |
| 13 | +# |
| 14 | +# OpenFLUID is distributed in the hope that it will be useful, |
| 15 | +# but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | +# GNU General Public License for more details. |
| 18 | +# |
| 19 | +# You should have received a copy of the GNU General Public License |
| 20 | +# along with OpenFLUID. If not, see <http://www.gnu.org/licenses/>. |
| 21 | +# |
| 22 | +# |
| 23 | +# == Other Usage == |
| 24 | +# |
| 25 | +# Other Usage means a use of OpenFLUID that is inconsistent with the GPL |
| 26 | +# license, and requires a written agreement between You and INRA. |
| 27 | +# Licensees for Other Usage of OpenFLUID may use this file in accordance |
| 28 | +# with the terms contained in the written agreement between You and INRA. |
| 29 | +# |
| 30 | +## |
| 31 | +# |
| 32 | +# |
| 33 | +# Module for CMake build system helping to find GEOS library |
| 34 | +# This module is designed for internal use by the OpenFLUID build configuration |
| 35 | +# |
| 36 | +# This module provides the following variables |
| 37 | +# GEOS_FOUND |
| 38 | +# GEOS_VERSION |
| 39 | +# GEOS_INCLUDE_DIR |
| 40 | +# GEOS_LIBRARY |
| 41 | +# |
| 42 | +# This module uses hints about search locations from variables |
| 43 | +# GEOS_ROOT_DIR |
| 44 | +# GEOS_CONFIG_EXTRA_SEARCH_PATHS |
| 45 | +# $ENV{OFBUILD_SUPPORT_DIR} |
| 46 | +# $ENV{GEOS_HOME} |
| 47 | +# |
| 48 | +## |
| 49 | + |
| 50 | + |
| 51 | +IF(GEOS_FOUND) |
| 52 | + RETURN() |
| 53 | +ENDIF() |
| 54 | + |
| 55 | + |
| 56 | +IF(WIN32) |
| 57 | + |
| 58 | + INCLUDE($ENV{OFBUILD_SUPPORT_DIR}/share/geos-config.cmake) |
| 59 | + |
| 60 | + FIND_PATH(GEOS_INCLUDE_DIR |
| 61 | + NAMES |
| 62 | + geos.h |
| 63 | + HINTS |
| 64 | + $ENV{GEOS_ROOT_DIR} |
| 65 | + $ENV{OFBUILD_SUPPORT_DIR} |
| 66 | + c:/msys/local |
| 67 | + PATH_SUFFIXES |
| 68 | + include |
| 69 | + ) |
| 70 | + |
| 71 | + FIND_LIBRARY(GEOS_LIBRARY |
| 72 | + NAMES |
| 73 | + geos |
| 74 | + PATHS |
| 75 | + $ENV{GEOS_ROOT_DIR} |
| 76 | + $ENV{OFBUILD_SUPPORT_DIR} |
| 77 | + c:/msys/local |
| 78 | + PATH_SUFFIXES |
| 79 | + bin lib |
| 80 | + ) |
| 81 | + |
| 82 | +ELSEIF(UNIX) |
| 83 | + |
| 84 | + # add research path for OSX |
| 85 | + IF (APPLE) |
| 86 | + SET(GEOS_CONFIG_EXTRA_SEARCH_PATHS ${GEOS_CONFIG_EXTRA_SEARCH_PATHS} /Library/Frameworks/GEOS.framework/unix) |
| 87 | + ENDIF() |
| 88 | + |
| 89 | + IF (NOT GEOS_CONFIG) |
| 90 | + # geos-config is not specified, try to find it |
| 91 | + FIND_PROGRAM(GEOS_CONFIG |
| 92 | + NAMES |
| 93 | + geos-config |
| 94 | + HINTS |
| 95 | + $ENV{GEOS_ROOT_DIR} |
| 96 | + $ENV{GEOS_HOME} |
| 97 | + /usr/local |
| 98 | + /usr |
| 99 | + ${GEOS_CONFIG_EXTRA_SEARCH_PATHS} |
| 100 | + PATH_SUFFIXES |
| 101 | + bin |
| 102 | + ) |
| 103 | + ENDIF() |
| 104 | + |
| 105 | + IF (GEOS_CONFIG) |
| 106 | + # get GEOS version using "geos-config --version" |
| 107 | + EXECUTE_PROCESS(COMMAND ${GEOS_CONFIG} "--version" |
| 108 | + OUTPUT_VARIABLE GEOS_VERSION |
| 109 | + OUTPUT_STRIP_TRAILING_WHITESPACE) |
| 110 | + |
| 111 | + STRING(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\1" GEOS_VERSION_MAJOR "${GEOS_VERSION}") |
| 112 | + STRING(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\2" GEOS_VERSION_MINOR "${GEOS_VERSION}") |
| 113 | + STRING(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\3" GEOS_VERSION_PATCH "${GEOS_VERSION}") |
| 114 | + |
| 115 | + |
| 116 | + IF(GEOS_VERSION_MAJOR LESS 3 OR (GEOS_VERSION_MAJOR EQUAL 3 AND GEOS_VERSION_MINOR LESS 3)) |
| 117 | + MESSAGE(FATAL_ERROR "GEOS version must be 3.3.0 or higher (currently ${GEOS_VERSION})") |
| 118 | + ENDIF() |
| 119 | + |
| 120 | + |
| 121 | + # get GEOS install prefix using "geos-config --prefix" |
| 122 | + EXECUTE_PROCESS(COMMAND ${GEOS_CONFIG} "--prefix" |
| 123 | + OUTPUT_VARIABLE GEOS_PREFIX |
| 124 | + OUTPUT_STRIP_TRAILING_WHITESPACE) |
| 125 | + |
| 126 | + |
| 127 | + # find GEOS include directory |
| 128 | + FIND_PATH(GEOS_INCLUDE_DIR |
| 129 | + NAMES |
| 130 | + geos_c.h |
| 131 | + HINTS |
| 132 | + $ENV{GEOS_ROOT_DIR} |
| 133 | + ${GEOS_PREFIX} |
| 134 | + /usr |
| 135 | + /usr/local |
| 136 | + ${GEOS_CONFIG_EXTRA_SEARCH_PATHS} |
| 137 | + PATH_SUFFIXES |
| 138 | + include |
| 139 | + ) |
| 140 | + |
| 141 | + |
| 142 | + # find GEOS library directory |
| 143 | + EXECUTE_PROCESS(COMMAND ${GEOS_CONFIG} "--libs" |
| 144 | + OUTPUT_VARIABLE GEOS_CONFIG_LIBS |
| 145 | + OUTPUT_STRIP_TRAILING_WHITESPACE) |
| 146 | + |
| 147 | + # extract library path (-L) and library name (-l) from string returned by "geos-config --libs" |
| 148 | + STRING(REPLACE " " ";" GEOS_CONFIG_LIBS_LIST ${GEOS_CONFIG_LIBS} ) |
| 149 | + |
| 150 | + FOREACH(_LISTITEM ${GEOS_CONFIG_LIBS_LIST}) |
| 151 | + STRING(LENGTH ${_LISTITEM} _LISTITEM_LENGTH) |
| 152 | + STRING(SUBSTRING ${_LISTITEM} 0 2 _LISTITEM_PREFIX) |
| 153 | + MATH(EXPR _LISTITEM_EXTRACTLEN ${_LISTITEM_LENGTH}-2) |
| 154 | + IF(${_LISTITEM_PREFIX} STREQUAL "-L") |
| 155 | + STRING(SUBSTRING ${_LISTITEM} 2 ${_LISTITEM_EXTRACTLEN} GEOS_LINK_DIRECTORIES) |
| 156 | + ELSEIF(${_LISTITEM_PREFIX} STREQUAL "-l") |
| 157 | + STRING(SUBSTRING ${_LISTITEM} 2 ${_LISTITEM_EXTRACTLEN} GEOS_LIB_NAME) |
| 158 | + ENDIF() |
| 159 | + ENDFOREACH() |
| 160 | + |
| 161 | + IF(APPLE) |
| 162 | + SET(GEOS_LIBRARY "${GEOS_LINK_DIRECTORIES}/lib${GEOS_LIB_NAME}.dylib") |
| 163 | + ELSE() |
| 164 | + SET(GEOS_LIBRARY "${GEOS_LINK_DIRECTORIES}/lib${GEOS_LIB_NAME}.so") |
| 165 | + ENDIF() |
| 166 | + ELSE() |
| 167 | + MESSAGE(FATAL_ERROR "FindGEOS.cmake: geos-config was not found. Set it manually using GEOS_CONFIG variable.") |
| 168 | + ENDIF() |
| 169 | + |
| 170 | +ENDIF() |
| 171 | + |
| 172 | + |
| 173 | +########################################################################### |
| 174 | + |
| 175 | + |
| 176 | +IF(GEOS_INCLUDE_DIR AND GEOS_LIBRARY) |
| 177 | + SET(GEOS_FOUND TRUE CACHE STRING INTERNAL) |
| 178 | + SET(GEOS_VERSION ${GEOS_VERSION} CACHE STRING INTERNAL) |
| 179 | + SET(GEOS_INCLUDE_DIR ${GEOS_INCLUDE_DIR} CACHE STRING INTERNAL) |
| 180 | + SET(GEOS_LIBRARY ${GEOS_LIBRARY} CACHE STRING INTERNAL) |
| 181 | +ENDIF() |
| 182 | + |
| 183 | +IF(GEOS_FOUND) |
| 184 | + IF (NOT GEOS_FIND_QUIETLY) |
| 185 | + MESSAGE(STATUS "Found GEOS ${GEOS_VERSION}: ${GEOS_LIBRARY}") |
| 186 | + ENDIF (NOT GEOS_FIND_QUIETLY) |
| 187 | +ELSE() |
| 188 | + MESSAGE(GEOS_INCLUDE_DIR=${GEOS_INCLUDE_DIR}) |
| 189 | + MESSAGE(GEOS_LIBRARY=${GEOS_LIBRARY}) |
| 190 | + MESSAGE(FATAL_ERROR "Could not find GEOS") |
| 191 | +ENDIF() |
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