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cmake_minimum_required(VERSION 3.1)
project(FileSender)
include(CheckFunctionExists)
include(CheckIncludeFiles)
include(CheckLibraryExists)
include(CheckStructHasMember)
macro(CX_SEARCH_LIBS func)
string(TOUPPER ${func} _FUNC)
check_function_exists(${func} HAVE_${_FUNC})
if(NOT HAVE_${_FUNC})
foreach(lib ${ARGN})
unset(HAVE_${_FUNC} CACHE)
check_library_exists(${lib} ${func} "" HAVE_${_FUNC})
if(HAVE_${_FUNC})
set("${_FUNC}_LIB" "${lib}" CACHE INTERNAL "Library providing `${func}'")
break()
endif()
endforeach()
endif()
if(HAVE_${_FUNC})
add_compile_definitions("HAVE_${_FUNC}")
endif()
endmacro()
macro(CX_CHECK_HEADERS)
foreach(h ${ARGN})
string(TOUPPER ${h} _HDR)
string(REGEX REPLACE "[/.-]" "_" _HDR ${_HDR})
check_include_files(${h} HAVE_${_HDR})
if(HAVE_${_HDR})
add_compile_definitions("HAVE_${_HDR}")
endif()
endforeach()
endmacro()
macro(CX_CHECK_MEMBERS _members)
foreach(s ${_members})
string(STRIP "${s}" s)
string(REGEX REPLACE "[ \t]+" " " s ${s})
string(REGEX REPLACE "([^.]+)\.([^.]+)$" "\\1" struct ${s})
string(REGEX REPLACE "([^.]+)\.([^.]+)$" "\\2" field ${s})
string(REGEX REPLACE "[ .]" "_" M ${s})
string(TOUPPER "HAVE_${M}" HAVE)
check_struct_has_member("${struct}" "${field}" "${ARGN}" ${HAVE})
if(${HAVE})
add_compile_definitions(${HAVE})
endif()
endforeach()
endmacro()
cx_check_headers(fcntl.h netinet/in.h stddef.h stdlib.h string.h sys/socket.h unistd.h sys/sendfile.h)
cx_search_libs(sendfile sendfile)
cx_search_libs(socket socket)
cx_check_members("struct sf_hdtr.hdr_cnt" sys/socket.h)
add_executable(server server.c utils.c utils.h)
target_link_libraries(server ${SOCKET_LIB})
add_executable(client client.c utils.c utils.h)
target_link_libraries(client ${SOCKET_LIB} ${SENDFILE_LIB})
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