# - Find Ceres library
# Find the native Ceres includes and library
# This module defines
# CERES_INCLUDE_DIRS, where to find ceres.h, Set when
# CERES_INCLUDE_DIR is found.
# CERES_LIBRARIES, libraries to link against to use Ceres.
# CERES_ROOT_DIR, The base directory to search for Ceres.
# This can also be an environment variable.
# CERES_VERSION will contain the version ceres version.
# CERES_FOUND, If false, do not try to use Ceres.
#
# also defined, but not for general use are
# CERES_LIBRARY, where to find the Ceres library.
# If CERES_ROOT_DIR was defined in the environment, use it.
IF(NOT CERES_ROOT_DIR AND NOT $ENV{CERES_ROOT_DIR} STREQUAL "")
SET(CERES_ROOT_DIR $ENV{CERES_ROOT_DIR})
ENDIF()
Set(CERES_SEARCH_DIRS
${CERES_ROOT_DIR}
/usr/local/
/usr/
/usr/local/homebrew/ # Mac OS X
/opt/local/var/macports/software # Mac OS X.
/opt/local/
)
FIND_PATH(CERES_INCLUDE_DIR
NAMES
ceres/ceres.h
HINTS
${CERES_SEARCH_DIRS}
PATH_SUFFIXES
include
)
FIND_LIBRARY(CERES_LIBRARY
NAMES
ceres
HINTS
${CERES_SEARCH_DIRS}
PATH_SUFFIXES
lib64 lib
)
# handle the QUIETLY and REQUIRED arguments and set CERES_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(ceres DEFAULT_MSG
CERES_LIBRARY CERES_INCLUDE_DIR)
IF(CERES_FOUND)
SET(CERES_LIBRARIES ${CERES_LIBRARY})
SET(CERES_INCLUDE_DIRS ${CERES_INCLUDE_DIR})
ENDIF(CERES_FOUND)
IF (CERES_INCLUDE_DIRS)
set (CERES_VERSION_FILE ${CERES_INCLUDE_DIRS}/ceres/version.h)
IF (NOT EXISTS ${CERES_VERSION_FILE})
message (WARNING
"Could not find ${CERES_VERSION_FILE}")
ELSE (NOT EXISTS ${CERES_VERSION_FILE})
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(REPLACE "#define CERES_VERSION_MAJOR " ""
CERES_VERSION_MAJOR ${CERES_VERSION_MAJOR})
STRING(REGEX MATCH "#define CERES_VERSION_MINOR [0-9]+"
CERES_VERSION_MINOR ${CERES_VERSION_FILE_CONTENTS})
STRING(REPLACE "#define CERES_VERSION_MINOR " ""
CERES_VERSION_MINOR ${CERES_VERSION_MINOR})
STRING(REGEX MATCH "#define CERES_VERSION_REVISION [0-9]+"
CERES_VERSION_REVISION ${CERES_VERSION_FILE_CONTENTS})
STRING(REGEX REPLACE "#define CERES_VERSION_REVISION " ""
CERES_VERSION_REVISION ${CERES_VERSION_REVISION})
SET(CERES_VERSION ${CERES_VERSION_MAJOR}.${CERES_VERSION_MINOR}.${CERES_VERSION_REVISION})
ENDIF(NOT EXISTS ${CERES_VERSION_FILE})
ENDIF(CERES_INCLUDE_DIRS)
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(CERES REQUIRED_VARS CERES_INCLUDE_DIRS
VERSION_VAR CERES_VERSION)
MARK_AS_ADVANCED(
CERES_INCLUDE_DIR
CERES_LIBRARY
CERES_VERSION
)