| # Ceres Solver - A fast non-linear least squares minimizer |
| # Copyright 2015 Google Inc. All rights reserved. |
| # http://ceres-solver.org/ |
| # |
| # 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) |
| # |
| |
| # Extract Ceres version from <CERES_SOURCE_ROOT>/include/ceres/version.h |
| # so that we only have a single definition of the Ceres version, not two |
| # one in the source and one in the CMakeLists.txt. |
| macro(read_ceres_version_from_source CERES_SOURCE_ROOT) |
| set(CERES_VERSION_FILE ${CERES_SOURCE_ROOT}/include/ceres/version.h) |
| if (NOT EXISTS ${CERES_VERSION_FILE}) |
| message(FATAL_ERROR "Cannot find Ceres version.h file in specified " |
| "Ceres source directory: ${CERES_SOURCE_ROOT}, it is not here: " |
| "${CERES_VERSION_FILE}") |
| endif() |
| |
| file(READ ${CERES_VERSION_FILE} CERES_VERSION_FILE_CONTENTS) |
| |
| string(REGEX MATCH "#define CERES_VERSION_MAJOR [0-9]+" |
| CERES_VERSION_MAJOR "${CERES_VERSION_FILE_CONTENTS}") |
| string(REGEX REPLACE "#define CERES_VERSION_MAJOR ([0-9]+)" "\\1" |
| CERES_VERSION_MAJOR "${CERES_VERSION_MAJOR}") |
| # NOTE: if (VAR) is FALSE if VAR is numeric and <= 0, as such we cannot use |
| # it for testing version numbers, which might well be zero, at least |
| # for the patch version, hence check for empty string explicitly. |
| if ("${CERES_VERSION_MAJOR}" STREQUAL "") |
| message(FATAL_ERROR "Failed to extract Ceres major version from " |
| "${CERES_VERSION_FILE}") |
| endif() |
| |
| string(REGEX MATCH "#define CERES_VERSION_MINOR [0-9]+" |
| CERES_VERSION_MINOR "${CERES_VERSION_FILE_CONTENTS}") |
| string(REGEX REPLACE "#define CERES_VERSION_MINOR ([0-9]+)" "\\1" |
| CERES_VERSION_MINOR "${CERES_VERSION_MINOR}") |
| if ("${CERES_VERSION_MINOR}" STREQUAL "") |
| message(FATAL_ERROR "Failed to extract Ceres minor version from " |
| "${CERES_VERSION_FILE}") |
| endif() |
| |
| string(REGEX MATCH "#define CERES_VERSION_REVISION [0-9]+" |
| CERES_VERSION_PATCH "${CERES_VERSION_FILE_CONTENTS}") |
| string(REGEX REPLACE "#define CERES_VERSION_REVISION ([0-9]+)" "\\1" |
| CERES_VERSION_PATCH "${CERES_VERSION_PATCH}") |
| if ("${CERES_VERSION_PATCH}" STREQUAL "") |
| message(FATAL_ERROR "Failed to extract Ceres patch version from " |
| "${CERES_VERSION_FILE}") |
| endif() |
| |
| # This is on a single line s/t CMake does not interpret it as a list of |
| # elements and insert ';' separators which would result in 3.;2.;0 nonsense. |
| set(CERES_VERSION "${CERES_VERSION_MAJOR}.${CERES_VERSION_MINOR}.${CERES_VERSION_PATCH}") |
| |
| message(STATUS "Detected Ceres version: ${CERES_VERSION} from " |
| "${CERES_VERSION_FILE}") |
| endmacro() |