mirror of
https://github.com/ceres-solver/ceres-solver.git
synced 2026-08-30 17:10:38 +08:00
Alex Stewart
ea76585068
- Previously we passed all compile options to Ceres via add_definitions in CMake. This was fine for private definitions (used only by Ceres) but required additional work for public definitions to ensure they were correctly propagated to clients via CMake using target_compile_definitions() (>= 2.8.11) or add_definitions(). - A drawback to these approaches is that they did not work for chained dependencies on Ceres, as in if in the users project B <- A <- Ceres, then although the required Ceres public compile definitions would be used when compiling A, they would not be propagated to B. - This patch replaces the addition of compile definitions via add_definitions() with an autogenerated config.h header which is installed with Ceres and defines all of the enabled Ceres compile options. - This removes the need for the user to propagate any compile definitions in their projects, and additionally allows post-install inspect of the options with which Ceres was compiled. Change-Id: Idbdb6abdad0eb31e7540370e301afe87a07f2260
89 lines
3.4 KiB
C++
89 lines
3.4 KiB
C++
// Ceres Solver - A fast non-linear least squares minimizer
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// Copyright 2010, 2011, 2012 Google Inc. All rights reserved.
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// http://code.google.com/p/ceres-solver/
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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: keir@google.com (Keir Mierle)
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#ifndef CERES_PUBLIC_INTERNAL_PORT_H_
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#define CERES_PUBLIC_INTERNAL_PORT_H_
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// This file needs to compile as c code.
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#ifdef __cplusplus
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#include <string>
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#include "ceres/internal/config.h"
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#if defined(CERES_TR1_MEMORY_HEADER)
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#include <tr1/memory>
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#else
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#include <memory>
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#endif
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namespace ceres {
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// It is unfortunate that this import of the entire standard namespace is
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// necessary. The reasons are historical and won't be explained here, but
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// suffice to say it is not a mistake and can't be removed without breaking
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// things outside of the Ceres optimization package.
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using namespace std;
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// This is necessary to properly handle the case that there is a different
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// "string" implementation in the global namespace.
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using std::string;
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#if defined(CERES_TR1_SHARED_PTR)
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using std::tr1::shared_ptr;
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#else
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using std::shared_ptr;
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#endif
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} // namespace ceres
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#endif // __cplusplus
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// A macro to signal which functions and classes are exported when
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// building a DLL with MSVC.
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//
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// Note that the ordering here is important, CERES_BUILDING_SHARED_LIBRARY
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// is only defined locally when Ceres is compiled, it is never exported to
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// users. However, in order that we do not have to configure config.h
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// separately for building vs installing, if we are using MSVC and building
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// a shared library, then both CERES_BUILDING_SHARED_LIBRARY and
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// CERES_USING_SHARED_LIBRARY will be defined when Ceres is compiled.
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// Hence it is important that the check for CERES_BUILDING_SHARED_LIBRARY
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// happens first.
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#if defined(_MSC_VER) && defined(CERES_BUILDING_SHARED_LIBRARY)
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# define CERES_EXPORT __declspec(dllexport)
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#elif defined(_MSC_VER) && defined(CERES_USING_SHARED_LIBRARY)
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# define CERES_EXPORT __declspec(dllimport)
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#else
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# define CERES_EXPORT
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#endif
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#endif // CERES_PUBLIC_INTERNAL_PORT_H_
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