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apply patch #1229 from mloskot
git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@9105 c8812cc2-4d05-0410-92ff-de0c093fc19c
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jef committed Aug 21, 2008
1 parent c244ca2 commit 1e3018637daa79007e79a028451b7a24f763125c
Showing with 106 additions and 26 deletions.
  1. +106 −26 cmake/FindGEOS.cmake
@@ -1,39 +1,119 @@

# 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
#
# Mateusz Loskot <mateusz@loskot.net>
# (based in FindGDAL.cmake by Magnus Homann)

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)
SET (
GEOS_INCLUDE_DIR
"$ENV{LIB_DIR}/include"
CACHE STRING INTERNAL
)
SET (
GEOS_LIBRARY
"$ENV{LIB_DIR}/lib/geos_c.lib";odbc32;odbccp32
CACHE STRING INTERNAL)
ENDIF (MSVC)

ELSE(WIN32)

IF(UNIX)

# try to use framework on mac
IF (APPLE)
SET (GEOS_MAC_PATH /Library/Frameworks/GEOS.framework/unix/bin)
ENDIF (APPLE)

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}
${GEOS_MAC_PATH}
/usr/local/bin/
/usr/bin/
)
#MESSAGE("DBG GEOS_CONFIG ${GEOS_CONFIG}")

IF (GEOS_CONFIG)
# 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)
SET(GEOS_LIBRARY ${GEOS_LINK_DIRECTORIES}/lib${GEOS_LIB_NAME}.dylib CACHE STRING INTERNAL)
ELSE (APPLE)
SET(GEOS_LIBRARY ${GEOS_LINK_DIRECTORIES}/lib${GEOS_LIB_NAME}.so CACHE STRING INTERNAL)
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(UNIX)
ENDIF(WIN32)

# FIND_PATH and FIND_LIBRARY normally search standard locations
# before the specified paths. To search non-standard paths first,
# FIND_* is invoked first with specified paths and NO_DEFAULT_PATH
# and then again with no specified paths to search the default
# locations. When an earlier FIND_* succeeds, subsequent FIND_*s
# searching for the same item do nothing.
FIND_PATH(GEOS_INCLUDE_DIR geos_c.h
"$ENV{LIB_DIR}/include"
#mingw
c:/msys/local/include
NO_DEFAULT_PATH
)
FIND_PATH(GEOS_INCLUDE_DIR geos_c.h)

FIND_LIBRARY(GEOS_LIBRARY NAMES geos_c PATHS
"$ENV{LIB_DIR}/lib"
#mingw
c:/msys/local/lib
NO_DEFAULT_PATH
)
FIND_LIBRARY(GEOS_LIBRARY NAMES geos_c)

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)
@@ -42,8 +122,8 @@ IF (GEOS_FOUND)

ELSE (GEOS_FOUND)

IF (GEOS_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find GEOS")
ENDIF (GEOS_FIND_REQUIRED)
MESSAGE(GEOS_INCLUDE_DIR=${GEOS_INCLUDE_DIR})
MESSAGE(GEOS_LIBRARY=${GEOS_LIBRARY})
MESSAGE(FATAL_ERROR "Could not find GEOS")

ENDIF (GEOS_FOUND)

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