# Find GEOS
# ~~~~~~~~~
# Copyright (c) 2008, Mateusz Loskot <mateusz@loskot.net>
# (based on FindGDAL.cmake by Magnus Homann)
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#
# CMake module to search for GEOS library
#
# If it's found it sets GEOS_FOUND to TRUE
# and following variables are set:
# GEOS_INCLUDE_DIR
# GEOS_LIBRARY
#
INCLUDE (${CMAKE_SOURCE_DIR}/cmake/MacPlistMacros.cmake)
IF(WIN32)
IF (MINGW)
FIND_PATH(GEOS_INCLUDE_DIR geos_c.h /usr/local/include /usr/include c:/msys/local/include)
FIND_LIBRARY(GEOS_LIBRARY NAMES geos_c PATHS /usr/local/lib /usr/lib c:/msys/local/lib)
ENDIF (MINGW)
IF (MSVC)
FIND_PATH(GEOS_INCLUDE_DIR geos_c.h $ENV{LIB_DIR}/include $ENV{INCLUDE})
FIND_LIBRARY(GEOS_LIBRARY NAMES geos geos_c_i geos_c PATHS
"$ENV{LIB_DIR}/lib"
$ENV{LIB}
)
ENDIF (MSVC)
ELSE(WIN32)
IF(UNIX)
# try to use framework on mac
# want clean framework path, not unix compatibility path
IF (APPLE)
IF (CMAKE_FIND_FRAMEWORK MATCHES "FIRST"
OR CMAKE_FRAMEWORK_PATH MATCHES "ONLY"
OR NOT CMAKE_FIND_FRAMEWORK)
SET (CMAKE_FIND_FRAMEWORK_save ${CMAKE_FIND_FRAMEWORK} CACHE STRING "" FORCE)
SET (CMAKE_FIND_FRAMEWORK "ONLY" CACHE STRING "" FORCE)
FIND_LIBRARY(GEOS_LIBRARY GEOS)
IF (GEOS_LIBRARY)
# they're all the same in a framework
SET (GEOS_INCLUDE_DIR ${GEOS_LIBRARY}/Headers CACHE PATH "Path to a file.")
# set GEOS_CONFIG to make later test happy, not used here, may not exist
SET (GEOS_CONFIG ${GEOS_LIBRARY}/unix/bin/geos-config CACHE FILEPATH "Path to a program.")
# version in info.plist
GET_VERSION_PLIST (${GEOS_LIBRARY}/Resources/Info.plist GEOS_VERSION)
IF (NOT GEOS_VERSION)
MESSAGE (FATAL_ERROR "Could not determine GEOS version from framework.")
ENDIF (NOT GEOS_VERSION)
STRING(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\1" GEOS_VERSION_MAJOR "${GEOS_VERSION}")
STRING(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\2" GEOS_VERSION_MINOR "${GEOS_VERSION}")
IF (GEOS_VERSION_MAJOR LESS 3)
MESSAGE (FATAL_ERROR "GEOS version is too old (${GEOS_VERSION}). Use 3.0.0 or higher.")
ENDIF (GEOS_VERSION_MAJOR LESS 3)
ENDIF (GEOS_LIBRARY)
SET (CMAKE_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK_save} CACHE STRING "" FORCE)
ENDIF ()
ENDIF (APPLE)
IF(CYGWIN)
FIND_LIBRARY(GEOS_LIBRARY NAMES geos_c PATHS /usr/lib /usr/local/lib)
ENDIF(CYGWIN)
IF (NOT GEOS_INCLUDE_DIR OR NOT GEOS_LIBRARY OR NOT GEOS_CONFIG)
# didn't find OS X framework, and was not set by user
SET(GEOS_CONFIG_PREFER_PATH "$ENV{GEOS_HOME}/bin" CACHE STRING "preferred path to GEOS (geos-config)")
FIND_PROGRAM(GEOS_CONFIG geos-config
${GEOS_CONFIG_PREFER_PATH}
/usr/local/bin/
/usr/bin/
)
#MESSAGE("DBG GEOS_CONFIG ${GEOS_CONFIG}")
IF (GEOS_CONFIG)
EXEC_PROGRAM(${GEOS_CONFIG}
ARGS --version
OUTPUT_VARIABLE GEOS_VERSION)
STRING(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\1" GEOS_VERSION_MAJOR "${GEOS_VERSION}")
STRING(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\2" GEOS_VERSION_MINOR "${GEOS_VERSION}")
IF (GEOS_VERSION_MAJOR LESS 3 OR (GEOS_VERSION_MAJOR EQUAL 3 AND GEOS_VERSION_MINOR LESS 3) )
MESSAGE (FATAL_ERROR "GEOS version is too old (${GEOS_VERSION}). Use 3.3.0 or higher.")
ENDIF (GEOS_VERSION_MAJOR LESS 3 OR (GEOS_VERSION_MAJOR EQUAL 3 AND GEOS_VERSION_MINOR LESS 3) )
# set INCLUDE_DIR to prefix+include
EXEC_PROGRAM(${GEOS_CONFIG}
ARGS --prefix
OUTPUT_VARIABLE GEOS_PREFIX)
FIND_PATH(GEOS_INCLUDE_DIR
geos_c.h
${GEOS_PREFIX}/include
/usr/local/include
/usr/include
)
## extract link dirs for rpath
EXEC_PROGRAM(${GEOS_CONFIG}
ARGS --libs
OUTPUT_VARIABLE GEOS_CONFIG_LIBS )
## split off the link dirs (for rpath)
## use regular expression to match wildcard equivalent "-L*<endchar>"
## with <endchar> is a space or a semicolon
STRING(REGEX MATCHALL "[-][L]([^ ;])+"
GEOS_LINK_DIRECTORIES_WITH_PREFIX
"${GEOS_CONFIG_LIBS}" )
#MESSAGE("DBG GEOS_LINK_DIRECTORIES_WITH_PREFIX=${GEOS_LINK_DIRECTORIES_WITH_PREFIX}")
## remove prefix -L because we need the pure directory for LINK_DIRECTORIES
IF (GEOS_LINK_DIRECTORIES_WITH_PREFIX)
STRING(REGEX REPLACE "[-][L]" "" GEOS_LINK_DIRECTORIES ${GEOS_LINK_DIRECTORIES_WITH_PREFIX} )
ENDIF (GEOS_LINK_DIRECTORIES_WITH_PREFIX)
### XXX - mloskot: geos-config --libs does not return -lgeos_c, so set it manually
## split off the name
## use regular expression to match wildcard equivalent "-l*<endchar>"
## with <endchar> is a space or a semicolon
#STRING(REGEX MATCHALL "[-][l]([^ ;])+"
# GEOS_LIB_NAME_WITH_PREFIX
# "${GEOS_CONFIG_LIBS}" )
#MESSAGE("DBG GEOS_CONFIG_LIBS=${GEOS_CONFIG_LIBS}")
#MESSAGE("DBG GEOS_LIB_NAME_WITH_PREFIX=${GEOS_LIB_NAME_WITH_PREFIX}")
SET(GEOS_LIB_NAME_WITH_PREFIX -lgeos_c CACHE STRING INTERNAL)
## remove prefix -l because we need the pure name
IF (GEOS_LIB_NAME_WITH_PREFIX)
STRING(REGEX REPLACE "[-][l]" "" GEOS_LIB_NAME ${GEOS_LIB_NAME_WITH_PREFIX} )
ENDIF (GEOS_LIB_NAME_WITH_PREFIX)
#MESSAGE("DBG GEOS_LIB_NAME=${GEOS_LIB_NAME}")
IF (APPLE)
IF (NOT GEOS_LIBRARY)
# work around empty GEOS_LIBRARY left by framework check
# while still preserving user setting if given
# ***FIXME*** need to improve framework check so below not needed
SET(GEOS_LIBRARY ${GEOS_LINK_DIRECTORIES}/lib${GEOS_LIB_NAME}.dylib CACHE STRING INTERNAL FORCE)
ENDIF (NOT GEOS_LIBRARY)
ELSE (APPLE)
FIND_LIBRARY(GEOS_LIBRARY NAMES ${GEOS_LIB_NAME} PATHS ${GEOS_LIB_DIRECTORIES}/lib)
ENDIF (APPLE)
#MESSAGE("DBG GEOS_LIBRARY=${GEOS_LIBRARY}")
ELSE(GEOS_CONFIG)
MESSAGE("FindGEOS.cmake: geos-config not found. Please set it manually. GEOS_CONFIG=${GEOS_CONFIG}")
ENDIF(GEOS_CONFIG)
ENDIF(NOT GEOS_INCLUDE_DIR OR NOT GEOS_LIBRARY OR NOT GEOS_CONFIG)
ENDIF(UNIX)
ENDIF(WIN32)
IF(GEOS_INCLUDE_DIR AND NOT GEOS_VERSION)
FILE(READ ${GEOS_INCLUDE_DIR}/geos_c.h VERSIONFILE)
STRING(REGEX MATCH "#define GEOS_VERSION \"[0-9]+\\.[0-9]+\\.[0-9]+(dev)?\"" GEOS_VERSION ${VERSIONFILE})
STRING(REGEX MATCH "[0-9]+\\.[0-9]\\.[0-9]+" GEOS_VERSION ${GEOS_VERSION})
ENDIF(GEOS_INCLUDE_DIR AND NOT GEOS_VERSION)
IF (GEOS_INCLUDE_DIR AND GEOS_LIBRARY)
SET(GEOS_FOUND TRUE)
ENDIF (GEOS_INCLUDE_DIR AND GEOS_LIBRARY)
IF (GEOS_FOUND)
IF (NOT GEOS_FIND_QUIETLY)
MESSAGE(STATUS "Found GEOS: ${GEOS_LIBRARY} (${GEOS_VERSION})")
ENDIF (NOT GEOS_FIND_QUIETLY)
ELSE (GEOS_FOUND)
MESSAGE(GEOS_INCLUDE_DIR=${GEOS_INCLUDE_DIR})
MESSAGE(GEOS_LIBRARY=${GEOS_LIBRARY})
MESSAGE(FATAL_ERROR "Could not find GEOS")
ENDIF (GEOS_FOUND)