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