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
25 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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)
32 # Extract Ceres version from <CERES_SOURCE_ROOT>/include/ceres/version.h
33 # so that we only have a single definition of the Ceres version, not two
34 # one in the source and one in the CMakeLists.txt.
35 macro(read_ceres_version_from_source CERES_SOURCE_ROOT)
36 set(CERES_VERSION_FILE ${CERES_SOURCE_ROOT}/include/ceres/version.h)
37 if (NOT EXISTS ${CERES_VERSION_FILE})
38 message(FATAL_ERROR "Cannot find Ceres version.h file in specified "
39 "Ceres source directory: ${CERES_SOURCE_ROOT}, it is not here: "
40 "${CERES_VERSION_FILE}")
43 file(READ ${CERES_VERSION_FILE} CERES_VERSION_FILE_CONTENTS)
45 string(REGEX MATCH "#define CERES_VERSION_MAJOR [0-9]+"
46 CERES_VERSION_MAJOR "${CERES_VERSION_FILE_CONTENTS}")
47 string(REGEX REPLACE "#define CERES_VERSION_MAJOR ([0-9]+)" "\\1"
48 CERES_VERSION_MAJOR "${CERES_VERSION_MAJOR}")
49 # NOTE: if (VAR) is FALSE if VAR is numeric and <= 0, as such we cannot use
50 # it for testing version numbers, which might well be zero, at least
51 # for the patch version, hence check for empty string explicitly.
52 if ("${CERES_VERSION_MAJOR}" STREQUAL "")
53 message(FATAL_ERROR "Failed to extract Ceres major version from "
54 "${CERES_VERSION_FILE}")
57 string(REGEX MATCH "#define CERES_VERSION_MINOR [0-9]+"
58 CERES_VERSION_MINOR "${CERES_VERSION_FILE_CONTENTS}")
59 string(REGEX REPLACE "#define CERES_VERSION_MINOR ([0-9]+)" "\\1"
60 CERES_VERSION_MINOR "${CERES_VERSION_MINOR}")
61 if ("${CERES_VERSION_MINOR}" STREQUAL "")
62 message(FATAL_ERROR "Failed to extract Ceres minor version from "
63 "${CERES_VERSION_FILE}")
66 string(REGEX MATCH "#define CERES_VERSION_REVISION [0-9]+"
67 CERES_VERSION_PATCH "${CERES_VERSION_FILE_CONTENTS}")
68 string(REGEX REPLACE "#define CERES_VERSION_REVISION ([0-9]+)" "\\1"
69 CERES_VERSION_PATCH "${CERES_VERSION_PATCH}")
70 if ("${CERES_VERSION_PATCH}" STREQUAL "")
71 message(FATAL_ERROR "Failed to extract Ceres patch version from "
72 "${CERES_VERSION_FILE}")
75 # This is on a single line s/t CMake does not interpret it as a list of
76 # elements and insert ';' separators which would result in 3.;2.;0 nonsense.
77 set(CERES_VERSION "${CERES_VERSION_MAJOR}.${CERES_VERSION_MINOR}.${CERES_VERSION_PATCH}")
79 message(STATUS "Detected Ceres version: ${CERES_VERSION} from "
80 "${CERES_VERSION_FILE}")