1 # Ceres Solver - A fast non-linear least squares minimizer
2 # Copyright 2015 Google Inc. All rights reserved.
3 # http://ceres-solver.org/
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions are met:
8 # * Redistributions of source code must retain the above copyright notice,
9 # this list of conditions and the following disclaimer.
10 # * Redistributions in binary form must reproduce the above copyright notice,
11 # this list of conditions and the following disclaimer in the documentation
12 # and/or other materials provided with the distribution.
13 # * Neither the name of Google Inc. nor the names of its contributors may be
14 # used to endorse or promote products derived from this software without
15 # specific prior written permission.
17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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26 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 # POSSIBILITY OF SUCH DAMAGE.
29 # Author: alexs.mac@gmail.com (Alex Stewart)
31 # Append item(s) to a property on a declared CMake target:
33 # append_target_property(target property item_to_append1
34 # [... item_to_appendN])
36 # The set_target_properties() CMake function will overwrite the contents of the
37 # specified target property. This function instead appends to it, so can
38 # be called multiple times with the same target & property to iteratively
40 function(append_target_property TARGET PROPERTY)
41 if (NOT TARGET ${TARGET})
42 message(FATAL_ERROR "Invalid target: ${TARGET} cannot append: ${ARGN} "
43 "to property: ${PROPERTY}")
46 message(FATAL_ERROR "Invalid property to update for target: ${TARGET}")
48 # Get the initial state of the specified property for the target s/t
49 # we can append to it (not overwrite it).
50 get_target_property(INITIAL_PROPERTY_STATE ${TARGET} ${PROPERTY})
51 if (NOT INITIAL_PROPERTY_STATE)
52 # Ensure that if the state is unset, we do not insert the XXX-NOTFOUND
53 # returned by CMake into the property.
54 set(INITIAL_PROPERTY_STATE "")
56 # Delistify (remove ; separators) the potentially set of items to append
57 # to the specified target property.
58 string(REPLACE ";" " " ITEMS_TO_APPEND "${ARGN}")
59 set_target_properties(${TARGET} PROPERTIES ${PROPERTY}
60 "${INITIAL_PROPERTY_STATE} ${ITEMS_TO_APPEND}")