FindMakedev.cmake

#
# Copyright (C) 2021 The Falco Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# This module is used to understand where the makedev function
# is defined in the glibc in use.
# see 'man 3 makedev'
# Usage:
#  In your CMakeLists.txt
#    include(FindMakedev)
#
#  In your source code:
#
#    #if HAVE_SYS_MKDEV_H
#    #include <sys/mkdev.h>
#    #endif
#    #ifdef HAVE_SYS_SYSMACROS_H
#    #include <sys/sysmacros.h>
#    #endif
#
include(${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)

check_include_file("sys/mkdev.h" HAVE_SYS_MKDEV_H)
check_include_file("sys/sysmacros.h" HAVE_SYS_SYSMACROS_H)

if (HAVE_SYS_MKDEV_H)
    add_definitions(-DHAVE_SYS_MKDEV_H)
endif()
if (HAVE_SYS_SYSMACROS_H)
    add_definitions(-DHAVE_SYS_SYSMACROS_H)
endif()