sist2/CMakeModules/FindLibMagic.cmake
2019-10-26 17:40:06 -04:00

101 lines
3.8 KiB
CMake
Vendored

#-------------------------------------------------------------------------------
# Copyright (c) 2013-2013, Lars Baehren <lbaehren@gmail.com>
# 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.
#
# 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 HOLDER 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.
#-------------------------------------------------------------------------------
# - Check for the presence of LIBMAGIC
#
# The following variables are set when LIBMAGIC is found:
# LIBMAGIC_FOUND = Set to true, if all components of LIBMAGIC have been
# found.
# LIBMAGIC_INCLUDES = Include path for the header files of LIBMAGIC
# LIBMAGIC_LIBRARIES = Link these to use LIBMAGIC
# LIBMAGIC_LFLAGS = Linker flags (optional)
if (NOT LIBMAGIC_FOUND)
if (NOT LIBMAGIC_ROOT_DIR)
set (LIBMAGIC_ROOT_DIR ${CMAKE_INSTALL_PREFIX})
endif (NOT LIBMAGIC_ROOT_DIR)
##____________________________________________________________________________
## Check for the header files
find_path (LIBMAGIC_FILE_H
NAMES file/file.h
HINTS ${LIBMAGIC_ROOT_DIR} ${CMAKE_INSTALL_PREFIX}
PATH_SUFFIXES include
)
if (LIBMAGIC_FILE_H)
list (APPEND LIBMAGIC_INCLUDES ${LIBMAGIC_FILE_H})
endif (LIBMAGIC_FILE_H)
find_path (LIBMAGIC_MAGIC_H
NAMES magic.h
HINTS ${LIBMAGIC_ROOT_DIR} ${CMAKE_INSTALL_PREFIX}
PATH_SUFFIXES include include/linux
)
if (LIBMAGIC_MAGIC_H)
list (APPEND LIBMAGIC_INCLUDES ${LIBMAGIC_MAGIC_H})
endif (LIBMAGIC_MAGIC_H)
list (REMOVE_DUPLICATES LIBMAGIC_INCLUDES)
##____________________________________________________________________________
## Check for the library
find_library (LIBMAGIC_LIBRARIES magic
HINTS ${LIBMAGIC_ROOT_DIR} ${CMAKE_INSTALL_PREFIX}
PATH_SUFFIXES lib
)
##____________________________________________________________________________
## Actions taken when all components have been found
#find_package_handle_standard_args (LIBMAGIC DEFAULT_MSG LIBMAGIC_LIBRARIES LIBMAGIC_INCLUDES)
if (LIBMAGIC_FOUND)
if (NOT LIBMAGIC_FIND_QUIETLY)
message (STATUS "Found components for LIBMAGIC")
message (STATUS "LIBMAGIC_ROOT_DIR = ${LIBMAGIC_ROOT_DIR}")
message (STATUS "LIBMAGIC_INCLUDES = ${LIBMAGIC_INCLUDES}")
message (STATUS "LIBMAGIC_LIBRARIES = ${LIBMAGIC_LIBRARIES}")
endif (NOT LIBMAGIC_FIND_QUIETLY)
else (LIBMAGIC_FOUND)
if (LIBMAGIC_FIND_REQUIRED)
message (FATAL_ERROR "Could not find LIBMAGIC!")
endif (LIBMAGIC_FIND_REQUIRED)
endif (LIBMAGIC_FOUND)
##____________________________________________________________________________
## Mark advanced variables
mark_as_advanced (
LIBMAGIC_ROOT_DIR
LIBMAGIC_INCLUDES
LIBMAGIC_LIBRARIES
)
endif (NOT LIBMAGIC_FOUND)