QGIS/cmake/FindGRASS.cmake
2020-02-04 07:43:59 +10:00

216 lines
11 KiB
CMake

# Find GRASS
# ~~~~~~~~~~
# Copyright (c) 2007, Martin Dobias <wonder.sk at gmail.com>
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
# Macro that checks for extra include directories set during GRASS compilation.
# This helps for platforms where GRASS is built against dependencies in
# non-standard locations; like on Mac, where the system gettext is too old and
# GRASS is built off of gettext in /usr/local/opt, or some other custom prefix.
# Such includes may need found again when including some GRASS headers.
MACRO (CHECK_GRASS_EXTRA_INCLUDE_DIRS GRASS_VERSION)
SET(GRASS_EXTRA_INCLUDE_DIRS${GRASS_VERSION} ""
CACHE STRING "Extra includes string used for GRASS${GRASS_VERSION}")
IF(UNIX AND EXISTS ${GRASS_INCLUDE_DIR${GRASS_VERSION}}/Make/Platform.make
AND "${GRASS${GRASS_VERSION}_EXTRA_INCLUDE_DIRS}" STREQUAL "")
FILE(READ ${GRASS_INCLUDE_DIR${GRASS_VERSION}}/Make/Platform.make _platformfile)
STRING(REGEX MATCH "INCLUDE_DIRS *= *[^\n]*" _config_includes "${_platformfile}")
SET(_extra_includes "")
IF(NOT "${_config_includes}" STREQUAL "")
STRING(REGEX REPLACE "INCLUDE_DIRS *= *([^\n]*)" "\\1" _extra_includes "${_config_includes}")
ENDIF()
IF(NOT "${_extra_includes}" STREQUAL "")
SET(GRASS_EXTRA_INCLUDE_DIRS${GRASS_VERSION} ${_extra_includes}
CACHE STRING "Extra includes string used for GRASS${GRASS_VERSION}" FORCE)
ENDIF()
ENDIF()
MARK_AS_ADVANCED (GRASS_EXTRA_INCLUDE_DIRS${GRASS_VERSION})
ENDMACRO (CHECK_GRASS_EXTRA_INCLUDE_DIRS GRASS_VERSION)
# macro that checks for grass installation in specified directory
MACRO (CHECK_GRASS G_PREFIX)
#MESSAGE(STATUS "Find GRASS ${GRASS_FIND_VERSION} in ${G_PREFIX}")
FIND_PATH(GRASS_INCLUDE_DIR${GRASS_CACHE_VERSION} grass/version.h ${G_PREFIX}/include DOC "Path to GRASS ${GRASS_FIND_VERSION} include directory")
#MESSAGE(STATUS "GRASS_INCLUDE_DIR${GRASS_CACHE_VERSION} = ${GRASS_INCLUDE_DIR${GRASS_CACHE_VERSION}}")
IF(GRASS_INCLUDE_DIR${GRASS_CACHE_VERSION} AND EXISTS ${GRASS_INCLUDE_DIR${GRASS_CACHE_VERSION}}/grass/version.h)
FILE(READ ${GRASS_INCLUDE_DIR${GRASS_CACHE_VERSION}}/grass/version.h VERSIONFILE)
# We can avoid the following block using version_less version_equal and
# version_greater. Are there compatibility problems?
STRING(REGEX MATCH "[0-9]+\\.[0-9]+\\.[^ ]+" GRASS_VERSION${GRASS_FIND_VERSION} ${VERSIONFILE})
STRING(REGEX REPLACE "^([0-9]*)\\.[0-9]*\\..*$" "\\1" GRASS_MAJOR_VERSION${GRASS_FIND_VERSION} ${GRASS_VERSION${GRASS_FIND_VERSION}})
STRING(REGEX REPLACE "^[0-9]*\\.([0-9]*)\\..*$" "\\1" GRASS_MINOR_VERSION${GRASS_FIND_VERSION} ${GRASS_VERSION${GRASS_FIND_VERSION}})
STRING(REGEX REPLACE "^[0-9]*\\.[0-9]*\\.(.*)$" "\\1" GRASS_MICRO_VERSION${GRASS_FIND_VERSION} ${GRASS_VERSION${GRASS_FIND_VERSION}})
# Add micro version too?
# How to numerize RC versions?
MATH( EXPR GRASS_NUM_VERSION${GRASS_FIND_VERSION} "${GRASS_MAJOR_VERSION${GRASS_FIND_VERSION}}*10000 + ${GRASS_MINOR_VERSION${GRASS_FIND_VERSION}}*100")
#MESSAGE(STATUS "GRASS_MAJOR_VERSION${GRASS_FIND_VERSION} = ${GRASS_MAJOR_VERSION${GRASS_FIND_VERSION}}")
IF(GRASS_MAJOR_VERSION${GRASS_FIND_VERSION} EQUAL GRASS_FIND_VERSION)
SET(GRASS_LIBRARIES_FOUND${GRASS_FIND_VERSION} TRUE)
SET(GRASS_LIB_NAMES${GRASS_FIND_VERSION} gis dig2 dbmiclient dbmibase shape dgl rtree datetime linkm gproj)
IF(GRASS_MAJOR_VERSION${GRASS_FIND_VERSION} LESS 7 )
LIST(APPEND GRASS_LIB_NAMES${GRASS_FIND_VERSION} vect)
LIST(APPEND GRASS_LIB_NAMES${GRASS_FIND_VERSION} form)
LIST(APPEND GRASS_LIB_NAMES${GRASS_FIND_VERSION} I)
ELSE(GRASS_MAJOR_VERSION${GRASS_FIND_VERSION} LESS 7 )
LIST(APPEND GRASS_LIB_NAMES${GRASS_FIND_VERSION} vector)
LIST(APPEND GRASS_LIB_NAMES${GRASS_FIND_VERSION} raster)
LIST(APPEND GRASS_LIB_NAMES${GRASS_FIND_VERSION} imagery)
ENDIF(GRASS_MAJOR_VERSION${GRASS_FIND_VERSION} LESS 7 )
FOREACH(LIB ${GRASS_LIB_NAMES${GRASS_FIND_VERSION}})
MARK_AS_ADVANCED ( GRASS_LIBRARY${GRASS_FIND_VERSION}_${LIB} )
SET(LIB_PATH NOTFOUND)
# 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_LIBRARY(LIB_PATH NAMES grass_${LIB} grass_${LIB}.${GRASS_MAJOR_VERSION${GRASS_FIND_VERSION}}.${GRASS_MINOR_VERSION${GRASS_FIND_VERSION}} PATHS ${G_PREFIX}/lib NO_DEFAULT_PATH)
FIND_LIBRARY(LIB_PATH NAMES grass_${LIB} grass_${LIB}.${GRASS_MAJOR_VERSION${GRASS_FIND_VERSION}}.${GRASS_MINOR_VERSION${GRASS_FIND_VERSION}} PATHS ${G_PREFIX}/lib)
IF(LIB_PATH)
SET(GRASS_LIBRARY${GRASS_FIND_VERSION}_${LIB} ${LIB_PATH})
ELSE(LIB_PATH)
SET(GRASS_LIBRARY${GRASS_FIND_VERSION}_${LIB} NOTFOUND)
SET(GRASS_LIBRARIES_FOUND${GRASS_FIND_VERSION} FALSE)
ENDIF (LIB_PATH)
ENDFOREACH(LIB)
# LIB_PATH is only temporary variable, so hide it (is it possible to delete a variable?)
UNSET(LIB_PATH CACHE)
# Find off_t size
IF( (GRASS_MAJOR_VERSION${GRASS_FIND_VERSION} EQUAL 7) AND (GRASS_MINOR_VERSION${GRASS_FIND_VERSION} GREATER 0) )
SET(GRASS_TEST_MAPSET ${CMAKE_BINARY_DIR}/grass-location/PERMANENT)
FILE(MAKE_DIRECTORY ${GRASS_TEST_MAPSET})
FILE(WRITE ${GRASS_TEST_MAPSET}/DEFAULT_WIND "")
FILE(WRITE ${GRASS_TEST_MAPSET}/WIND "")
# grass command is not in G_PREFIX but in some bin dir, so it must be in PATH
SET(GRASS_EXE grass7${GRASS_MINOR_VERSION${GRASS_FIND_VERSION}})
#MESSAGE(STATUS "GRASS_EXE = ${GRASS_EXE}")
EXECUTE_PROCESS(COMMAND ${GRASS_EXE} ${GRASS_TEST_MAPSET} --exec g.version -g
COMMAND grep build_off_t_size
COMMAND sed "s/.*\\([0-9]\\).*/\\1/"
ERROR_VARIABLE GRASS_TMP_ERROR
OUTPUT_VARIABLE GRASS_OFF_T_SIZE${GRASS_FIND_VERSION}
)
IF ( NOT ${GRASS_OFF_T_SIZE${GRASS_FIND_VERSION}} STREQUAL "" )
STRING(STRIP ${GRASS_OFF_T_SIZE${GRASS_FIND_VERSION}} GRASS_OFF_T_SIZE${GRASS_FIND_VERSION})
ENDIF()
#MESSAGE(STATUS "GRASS_OFF_T_SIZE${GRASS_FIND_VERSION} = ${GRASS_OFF_T_SIZE${GRASS_FIND_VERSION}}")
ENDIF( (GRASS_MAJOR_VERSION${GRASS_FIND_VERSION} EQUAL 7) AND (GRASS_MINOR_VERSION${GRASS_FIND_VERSION} GREATER 0) )
IF ( "${GRASS_OFF_T_SIZE${GRASS_FIND_VERSION}}" STREQUAL "" )
IF(EXISTS ${GRASS_INCLUDE_DIR${GRASS_CACHE_VERSION}}/Make/Platform.make)
FILE(READ ${GRASS_INCLUDE_DIR${GRASS_CACHE_VERSION}}/Make/Platform.make PLATFORMFILE)
STRING(REGEX MATCH "LFS_CFLAGS *=[^\n]*" PLATFORM_LFS_CFLAGS ${PLATFORMFILE})
IF ( NOT "${PLATFORM_LFS_CFLAGS}" STREQUAL "" )
STRING(REGEX MATCH "_FILE_OFFSET_BITS=.." FILE_OFFSET_BITS ${PLATFORM_LFS_CFLAGS})
#MESSAGE(STATUS "FILE_OFFSET_BITS = ${FILE_OFFSET_BITS}")
IF ( NOT "${FILE_OFFSET_BITS}" STREQUAL "" )
STRING(REGEX MATCH "[0-9][0-9]" FILE_OFFSET_BITS ${FILE_OFFSET_BITS})
#MESSAGE(STATUS "FILE_OFFSET_BITS = ${FILE_OFFSET_BITS}")
IF ( "${FILE_OFFSET_BITS}" STREQUAL "32" )
SET( GRASS_OFF_T_SIZE${GRASS_FIND_VERSION} 4 )
ELSEIF( "${FILE_OFFSET_BITS}" STREQUAL "64" )
SET( GRASS_OFF_T_SIZE${GRASS_FIND_VERSION} 8 )
ENDIF()
ENDIF()
ENDIF()
ENDIF()
ENDIF()
IF(GRASS_LIBRARIES_FOUND${GRASS_FIND_VERSION})
SET(GRASS_FOUND${GRASS_FIND_VERSION} TRUE)
SET(GRASS_FOUND TRUE) # GRASS_FOUND is true if at least one version was found
SET(GRASS_PREFIX${GRASS_CACHE_VERSION} ${G_PREFIX})
CHECK_GRASS_EXTRA_INCLUDE_DIRS(${GRASS_FIND_VERSION})
ENDIF(GRASS_LIBRARIES_FOUND${GRASS_FIND_VERSION})
ENDIF(GRASS_MAJOR_VERSION${GRASS_FIND_VERSION} EQUAL GRASS_FIND_VERSION)
ENDIF(GRASS_INCLUDE_DIR${GRASS_CACHE_VERSION} AND EXISTS ${GRASS_INCLUDE_DIR${GRASS_CACHE_VERSION}}/grass/version.h)
MARK_AS_ADVANCED ( GRASS_INCLUDE_DIR${GRASS_CACHE_VERSION} )
ENDMACRO (CHECK_GRASS)
###################################
# search for grass installations
#MESSAGE(STATUS "GRASS_FIND_VERSION = ${GRASS_FIND_VERSION}")
# list of paths which to search - user's choice as first
SET (GRASS_PATHS ${GRASS_PREFIX${GRASS_CACHE_VERSION}} /usr/lib/grass /opt/grass $ENV{GRASS_PREFIX${GRASS_CACHE_VERSION}})
# os specific paths
IF (WIN32)
LIST(APPEND GRASS_PATHS c:/msys/local)
ENDIF (WIN32)
IF (UNIX)
IF (GRASS_FIND_VERSION EQUAL 7)
IF (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
FOREACH (VERSION_MINOR 9 8 7 6 5 4 3 2 1 0)
LIST (APPEND GRASS_PATHS /usr/local/grass${GRASS_FIND_VERSION}${VERSION_MINOR})
ENDFOREACH(VERSION_MINOR)
ELSE (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
FOREACH (PATH /usr/lib64 /usr/lib)
FOREACH (VERSION grass76, grass74, grass72, grass70)
LIST(APPEND GRASS_PATHS "${PATH}/${VERSION}")
ENDFOREACH (VERSION)
ENDFOREACH (PATH)
ENDIF (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
ENDIF (GRASS_FIND_VERSION EQUAL 7)
ENDIF (UNIX)
IF (APPLE)
IF (GRASS_FIND_VERSION EQUAL 7)
LIST(APPEND GRASS_PATHS
/Applications/GRASS-7.6.app/Contents/MacOS
/Applications/GRASS-7.4.app/Contents/MacOS
/Applications/GRASS-7.2.app/Contents/MacOS
/Applications/GRASS-7.0.app/Contents/MacOS
)
ENDIF ()
LIST(APPEND GRASS_PATHS /Applications/GRASS.app/Contents/Resources)
ENDIF (APPLE)
IF (WITH_GRASS${GRASS_CACHE_VERSION})
FOREACH (G_PREFIX ${GRASS_PATHS})
IF (NOT GRASS_FOUND${GRASS_FIND_VERSION})
CHECK_GRASS(${G_PREFIX})
ENDIF (NOT GRASS_FOUND${GRASS_FIND_VERSION})
ENDFOREACH (G_PREFIX)
ENDIF (WITH_GRASS${GRASS_CACHE_VERSION})
###################################
IF (GRASS_FOUND${GRASS_FIND_VERSION})
IF (NOT GRASS_FIND_QUIETLY)
MESSAGE(STATUS "Found GRASS ${GRASS_FIND_VERSION}: ${GRASS_PREFIX${GRASS_CACHE_VERSION}} (${GRASS_VERSION${GRASS_FIND_VERSION}}, off_t size = ${GRASS_OFF_T_SIZE${GRASS_FIND_VERSION}})")
ENDIF (NOT GRASS_FIND_QUIETLY)
ELSE (GRASS_FOUND${GRASS_FIND_VERSION})
IF (WITH_GRASS${GRASS_CACHE_VERSION})
IF (GRASS_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find GRASS ${GRASS_FIND_VERSION}")
ELSE (GRASS_FIND_REQUIRED)
MESSAGE(STATUS "Could not find GRASS ${GRASS_FIND_VERSION}")
ENDIF (GRASS_FIND_REQUIRED)
ENDIF (WITH_GRASS${GRASS_CACHE_VERSION})
ENDIF (GRASS_FOUND${GRASS_FIND_VERSION})