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FindRake.cmake
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FindRake.cmake
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#--------------------------------------------------------------------------------
# Copyright (c) 2012-2013, Lars Baehren <[email protected]>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#--------------------------------------------------------------------------------
# - Check for the presence of RAKE
#
# The following variables are set when RAKE is found:
# RAKE_FOUND = Set to true, if all components of RAKE
# have been found.
# RAKE_INCLUDES = Include path for the header files of RAKE
# RAKE_LIBRARIES = Link these to use RAKE
# RAKE_LFLAGS = Linker flags (optional)
if (NOT RAKE_FOUND)
if (NOT RAKE_ROOT_DIR)
set (RAKE_ROOT_DIR ${CMAKE_INSTALL_PREFIX})
endif (NOT RAKE_ROOT_DIR)
##_____________________________________________________________________________
## Check for the executable
find_program (RAKE_EXECUTABLE rake
HINTS ${RAKE_ROOT_DIR} ${CMAKE_INSTALL_PREFIX}
PATH_SUFFIXES bin
)
##_____________________________________________________________________________
## Extract program version
if (RAKE_EXECUTABLE)
## Run rake to display version number
execute_process(
COMMAND ${RAKE_EXECUTABLE} --version
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
RESULT_VARIABLE RAKE_RESULT_VARIABLE
OUTPUT_VARIABLE RAKE_OUTPUT_VARIABLE
ERROR_VARIABLE RAKE_ERROR_VARIABLE
OUTPUT_STRIP_TRAILING_WHITESPACE
)
## Process output in order to extract version number. Rake returns status 0
## if run successfully.
if (NOT RAKE_RESULT_VARIABLE)
string(REGEX REPLACE "rake, version " "" RAKE_VERSION ${RAKE_OUTPUT_VARIABLE})
if (RAKE_VERSION)
## Convert string to list of numbers
string (REGEX REPLACE "\\." ";" RAKE_VERSION_LIST ${RAKE_VERSION})
## Retrieve individual elements in the list
list(GET RAKE_VERSION_LIST 0 RAKE_VERSION_MAJOR)
list(GET RAKE_VERSION_LIST 1 RAKE_VERSION_MINOR)
list(GET RAKE_VERSION_LIST 2 RAKE_VERSION_PATCH)
endif (RAKE_VERSION)
endif (NOT RAKE_RESULT_VARIABLE)
endif (RAKE_EXECUTABLE)
##_____________________________________________________________________________
## Actions taken when all components have been found
if (RAKE_EXECUTABLE)
set (RAKE_FOUND TRUE)
else (RAKE_EXECUTABLE)
set (RAKE_FOUND FALSE)
if (NOT RAKE_FIND_QUIETLY)
if (NOT RAKE_INCLUDES)
message (STATUS "Unable to find RAKE header files!")
endif (NOT RAKE_INCLUDES)
if (NOT RAKE_LIBRARIES)
message (STATUS "Unable to find RAKE library files!")
endif (NOT RAKE_LIBRARIES)
endif (NOT RAKE_FIND_QUIETLY)
endif (RAKE_EXECUTABLE)
if (RAKE_FOUND)
if (NOT RAKE_FIND_QUIETLY)
message (STATUS "Found components for RAKE")
message (STATUS "RAKE_ROOT_DIR = ${RAKE_ROOT_DIR}" )
message (STATUS "RAKE_EXECUTABLE = ${RAKE_EXECUTABLE}" )
message (STATUS "RAKE_VERSION = ${RAKE_VERSION}" )
endif (NOT RAKE_FIND_QUIETLY)
else (RAKE_FOUND)
if (RAKE_FIND_REQUIRED)
message (FATAL_ERROR "Could not find RAKE!")
endif (RAKE_FIND_REQUIRED)
endif (RAKE_FOUND)
##_____________________________________________________________________________
## Mark advanced variables
mark_as_advanced (
RAKE_ROOT_DIR
RAKE_INCLUDES
RAKE_LIBRARIES
)
endif (NOT RAKE_FOUND)