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Diffstat (limited to 'cmake/UpdateCacheVariable.cmake')
| -rw-r--r-- | cmake/UpdateCacheVariable.cmake | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/cmake/UpdateCacheVariable.cmake b/cmake/UpdateCacheVariable.cmake new file mode 100644 index 0000000..759de2e --- /dev/null +++ b/cmake/UpdateCacheVariable.cmake @@ -0,0 +1,43 @@ +# Ceres Solver - A fast non-linear least squares minimizer +# Copyright 2014 Google Inc. All rights reserved. +# http://code.google.com/p/ceres-solver/ +# +# 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. +# * Neither the name of Google Inc. nor the names of its contributors may be +# used to endorse or promote products derived from this software without +# specific prior written permission. +# +# 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 OWNER 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. +# +# Author: alexs.mac@gmail.com (Alex Stewart) + +# By default, there is no easy way in CMake to set the value of a cache +# variable without reinitialising it, which involves resetting its +# associated help string. This is particularly annoying for CMake options +# where they need to programmatically updated. +# +# This function automates this process by getting the current help string +# for the cache variable to update, then reinitialising it with the new +# value, but with the original help string. +FUNCTION(UPDATE_CACHE_VARIABLE VAR_NAME VALUE) + GET_PROPERTY(HELP_STRING CACHE ${VAR_NAME} PROPERTY HELPSTRING) + GET_PROPERTY(VAR_TYPE CACHE ${VAR_NAME} PROPERTY TYPE) + SET(${VAR_NAME} ${VALUE} CACHE ${VAR_TYPE} "${HELP_STRING}" FORCE) +ENDFUNCTION() |