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# - Try to find libmagic header and library
#
# Usage of this module as follows:
#
# find_package(LibMagic)
#
# Variables used by this module, they can change the default behaviour and need
# to be set before calling find_package:
#
# LibMagic_ROOT_DIR Set this variable to the root installation of
# libmagic if the module has problems finding the
# proper installation path.
#
# Variables defined by this module:
#
# LIBMAGIC_FOUND System has libmagic, magic.h, and file
# LibMagic_FILE_EXE Path to the 'file' command
# LibMagic_VERSION Version of libmagic
# LibMagic_LIBRARY The libmagic library
# LibMagic_INCLUDE_DIR The location of magic.h
find_path(LibMagic_ROOT_DIR
NAMES include/magic.h
)
if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
# the static version of the library is preferred on OS X for the
# purposes of making packages (libmagic doesn't ship w/ OS X)
set(libmagic_names libmagic.a magic)
else ()
set(libmagic_names magic)
endif ()
find_file(LibMagic_FILE_EXE
NAMES file
HINTS ${LibMagic_ROOT_DIR}/bin
)
find_library(LibMagic_LIBRARY
NAMES ${libmagic_names}
HINTS ${LibMagic_ROOT_DIR}/lib
)
find_path(LibMagic_INCLUDE_DIR
NAMES magic.h
HINTS ${LibMagic_ROOT_DIR}/include
)
if (LibMagic_FILE_EXE)
execute_process(COMMAND "${LibMagic_FILE_EXE}" --version
ERROR_VARIABLE LibMagic_VERSION
OUTPUT_VARIABLE LibMagic_VERSION)
string(REGEX REPLACE "^file-([0-9.]+).*$" "\\1"
LibMagic_VERSION "${LibMagic_VERSION}")
message(STATUS "libmagic version: ${LibMagic_VERSION}")
else ()
set(LibMagic_VERSION NOTFOUND)
endif ()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LibMagic DEFAULT_MSG
LibMagic_LIBRARY
LibMagic_INCLUDE_DIR
LibMagic_FILE_EXE
LibMagic_VERSION
)
mark_as_advanced(
LibMagic_ROOT_DIR
LibMagic_FILE_EXE
LibMagic_VERSION
LibMagic_LIBRARY
LibMagic_INCLUDE_DIR
)
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