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# Copyright (c) 2023, ETH Zurich and UNC Chapel Hill.
# All rights reserved.
#
# 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 ETH Zurich and UNC Chapel Hill 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 HOLDERS 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.
# Find package module for Glog library.
#
# The following variables are set by this module:
#
# GLOG_FOUND: TRUE if Glog is found.
# glog::glog: Imported target to link against.
#
# The following variables control the behavior of this module:
#
# GLOG_INCLUDE_DIR_HINTS: List of additional directories in which to
# search for Glog includes.
# GLOG_LIBRARY_DIR_HINTS: List of additional directories in which to
# search for Glog libraries.
set(GLOG_INCLUDE_DIR_HINTS "" CACHE PATH "Glog include directory")
set(GLOG_LIBRARY_DIR_HINTS "" CACHE PATH "Glog library directory")
unset(GLOG_FOUND)
find_package(glog CONFIG QUIET)
if(TARGET glog::glog)
set(GLOG_FOUND TRUE)
message(STATUS "Found Glog")
message(STATUS " Target : glog::glog")
else()
# Older versions of glog don't come with a find_package config.
# Fall back to custom logic to find the library and remap to imported target.
include(FindPackageHandleStandardArgs)
list(APPEND GLOG_CHECK_INCLUDE_DIRS
/usr/local/include
/usr/local/homebrew/include
/opt/local/var/macports/software
/opt/local/include
/usr/include)
list(APPEND GLOG_CHECK_PATH_SUFFIXES
glog/include
glog/Include
Glog/include
Glog/Include
src/windows)
list(APPEND GLOG_CHECK_LIBRARY_DIRS
/usr/local/lib
/usr/local/homebrew/lib
/opt/local/lib
/usr/lib)
list(APPEND GLOG_CHECK_LIBRARY_SUFFIXES
glog/lib
glog/Lib
Glog/lib
Glog/Lib
x64/Release)
find_path(GLOG_INCLUDE_DIRS
NAMES
glog/logging.h
PATHS
${GLOG_INCLUDE_DIR_HINTS}
${GLOG_CHECK_INCLUDE_DIRS}
PATH_SUFFIXES
${GLOG_CHECK_PATH_SUFFIXES})
find_library(GLOG_LIBRARIES
NAMES
glog
libglog
PATHS
${GLOG_LIBRARY_DIR_HINTS}
${GLOG_CHECK_LIBRARY_DIRS}
PATH_SUFFIXES
${GLOG_CHECK_LIBRARY_SUFFIXES})
if(GLOG_INCLUDE_DIRS AND GLOG_LIBRARIES)
set(GLOG_FOUND TRUE)
message(STATUS "Found Glog")
message(STATUS " Includes : ${GLOG_INCLUDE_DIRS}")
message(STATUS " Libraries : ${GLOG_LIBRARIES}")
endif()
add_library(glog::glog INTERFACE IMPORTED)
target_include_directories(glog::glog INTERFACE ${GLOG_INCLUDE_DIRS})
target_link_libraries(glog::glog INTERFACE ${GLOG_LIBRARIES})
endif()
if(NOT GLOG_FOUND AND GLOG_FIND_REQUIRED)
message(FATAL_ERROR "Could not find Glog")
endif()
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