Files correlati : Commento : Spostamento in libraries delle librerie esterne di Campo per una maggiore pulizia e organizzazione git-svn-id: svn://10.65.10.50/branches/R_10_00@24150 c028cbd2-c16b-5b4b-a496-9718f37d4682
		
			
				
	
	
		
			233 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
			
		
		
	
	
			233 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
include(CheckCSourceCompiles)
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# The begin of the sources (macros and includes)
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set(_source_epilogue "#undef inline")
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macro(add_header_include check header)
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  if(${check})
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    set(_source_epilogue "${_source_epilogue}\n#include <${header}>")
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  endif(${check})
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endmacro(add_header_include)
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set(signature_call_conv)
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if(HAVE_WINDOWS_H)
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  add_header_include(HAVE_WINSOCK2_H "winsock2.h")
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  add_header_include(HAVE_WINDOWS_H "windows.h")
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  add_header_include(HAVE_WINSOCK_H "winsock.h")
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  set(_source_epilogue
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      "${_source_epilogue}\n#ifndef WIN32_LEAN_AND_MEAN\n#define WIN32_LEAN_AND_MEAN\n#endif")
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  set(signature_call_conv "PASCAL")
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  if(HAVE_LIBWS2_32)
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    set(CMAKE_REQUIRED_LIBRARIES ws2_32)
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  endif()
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else(HAVE_WINDOWS_H)
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  add_header_include(HAVE_SYS_TYPES_H "sys/types.h")
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  add_header_include(HAVE_SYS_SOCKET_H "sys/socket.h")
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endif(HAVE_WINDOWS_H)
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check_c_source_compiles("${_source_epilogue}
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int main(void) {
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    recv(0, 0, 0, 0);
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    return 0;
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}" curl_cv_recv)
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if(curl_cv_recv)
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  if(NOT DEFINED curl_cv_func_recv_args OR "${curl_cv_func_recv_args}" STREQUAL "unknown")
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    foreach(recv_retv "int" "ssize_t" )
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      foreach(recv_arg1 "SOCKET" "int" )
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        foreach(recv_arg2 "char *" "void *" )
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          foreach(recv_arg3 "int" "size_t" "socklen_t" "unsigned int")
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            foreach(recv_arg4 "int" "unsigned int")
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              if(NOT curl_cv_func_recv_done)
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                unset(curl_cv_func_recv_test CACHE)
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                check_c_source_compiles("
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                  ${_source_epilogue}
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                  extern ${recv_retv} ${signature_call_conv}
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                  recv(${recv_arg1}, ${recv_arg2}, ${recv_arg3}, ${recv_arg4});
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                  int main(void) {
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                    ${recv_arg1} s=0;
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                    ${recv_arg2} buf=0;
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                    ${recv_arg3} len=0;
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                    ${recv_arg4} flags=0;
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                    ${recv_retv} res = recv(s, buf, len, flags);
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                    (void) res;
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                    return 0;
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                  }"
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                  curl_cv_func_recv_test)
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                message(STATUS
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                  "Tested: ${recv_retv} recv(${recv_arg1}, ${recv_arg2}, ${recv_arg3}, ${recv_arg4})")
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                if(curl_cv_func_recv_test)
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                  set(curl_cv_func_recv_args
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                    "${recv_arg1},${recv_arg2},${recv_arg3},${recv_arg4},${recv_retv}")
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                  set(RECV_TYPE_ARG1 "${recv_arg1}")
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                  set(RECV_TYPE_ARG2 "${recv_arg2}")
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                  set(RECV_TYPE_ARG3 "${recv_arg3}")
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                  set(RECV_TYPE_ARG4 "${recv_arg4}")
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                  set(RECV_TYPE_RETV "${recv_retv}")
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                  set(HAVE_RECV 1)
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                  set(curl_cv_func_recv_done 1)
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                endif(curl_cv_func_recv_test)
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              endif(NOT curl_cv_func_recv_done)
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            endforeach(recv_arg4)
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          endforeach(recv_arg3)
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        endforeach(recv_arg2)
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      endforeach(recv_arg1)
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    endforeach(recv_retv)
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  else()
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    string(REGEX REPLACE "^([^,]*),[^,]*,[^,]*,[^,]*,[^,]*$" "\\1" RECV_TYPE_ARG1 "${curl_cv_func_recv_args}")
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    string(REGEX REPLACE "^[^,]*,([^,]*),[^,]*,[^,]*,[^,]*$" "\\1" RECV_TYPE_ARG2 "${curl_cv_func_recv_args}")
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    string(REGEX REPLACE "^[^,]*,[^,]*,([^,]*),[^,]*,[^,]*$" "\\1" RECV_TYPE_ARG3 "${curl_cv_func_recv_args}")
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    string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,([^,]*),[^,]*$" "\\1" RECV_TYPE_ARG4 "${curl_cv_func_recv_args}")
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    string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,[^,]*,([^,]*)$" "\\1" RECV_TYPE_RETV "${curl_cv_func_recv_args}")
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  endif()
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  if("${curl_cv_func_recv_args}" STREQUAL "unknown")
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    message(FATAL_ERROR "Cannot find proper types to use for recv args")
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  endif("${curl_cv_func_recv_args}" STREQUAL "unknown")
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else(curl_cv_recv)
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  message(FATAL_ERROR "Unable to link function recv")
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endif(curl_cv_recv)
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set(curl_cv_func_recv_args "${curl_cv_func_recv_args}" CACHE INTERNAL "Arguments for recv")
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set(HAVE_RECV 1)
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check_c_source_compiles("${_source_epilogue}
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int main(void) {
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    send(0, 0, 0, 0);
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    return 0;
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}" curl_cv_send)
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if(curl_cv_send)
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  if(NOT DEFINED curl_cv_func_send_args OR "${curl_cv_func_send_args}" STREQUAL "unknown")
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    foreach(send_retv "int" "ssize_t" )
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      foreach(send_arg1 "SOCKET" "int" "ssize_t" )
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        foreach(send_arg2 "const char *" "const void *" "void *" "char *")
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          foreach(send_arg3 "int" "size_t" "socklen_t" "unsigned int")
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            foreach(send_arg4 "int" "unsigned int")
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              if(NOT curl_cv_func_send_done)
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                unset(curl_cv_func_send_test CACHE)
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                check_c_source_compiles("
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                  ${_source_epilogue}
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                  extern ${send_retv} ${signature_call_conv}
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                  send(${send_arg1}, ${send_arg2}, ${send_arg3}, ${send_arg4});
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                  int main(void) {
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                    ${send_arg1} s=0;
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                    ${send_arg2} buf=0;
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                    ${send_arg3} len=0;
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                    ${send_arg4} flags=0;
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                    ${send_retv} res = send(s, buf, len, flags);
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                    (void) res;
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                    return 0;
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                  }"
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                  curl_cv_func_send_test)
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                message(STATUS
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                  "Tested: ${send_retv} send(${send_arg1}, ${send_arg2}, ${send_arg3}, ${send_arg4})")
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                if(curl_cv_func_send_test)
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                  string(REGEX REPLACE "(const) .*" "\\1" send_qual_arg2 "${send_arg2}")
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                  string(REGEX REPLACE "const (.*)" "\\1" send_arg2 "${send_arg2}")
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                  set(curl_cv_func_send_args
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                    "${send_arg1},${send_arg2},${send_arg3},${send_arg4},${send_retv},${send_qual_arg2}")
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                  set(SEND_TYPE_ARG1 "${send_arg1}")
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                  set(SEND_TYPE_ARG2 "${send_arg2}")
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                  set(SEND_TYPE_ARG3 "${send_arg3}")
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                  set(SEND_TYPE_ARG4 "${send_arg4}")
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                  set(SEND_TYPE_RETV "${send_retv}")
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                  set(HAVE_SEND 1)
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                  set(curl_cv_func_send_done 1)
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                endif(curl_cv_func_send_test)
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              endif(NOT curl_cv_func_send_done)
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            endforeach(send_arg4)
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          endforeach(send_arg3)
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        endforeach(send_arg2)
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      endforeach(send_arg1)
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    endforeach(send_retv)
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  else()
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    string(REGEX REPLACE "^([^,]*),[^,]*,[^,]*,[^,]*,[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG1 "${curl_cv_func_send_args}")
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    string(REGEX REPLACE "^[^,]*,([^,]*),[^,]*,[^,]*,[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG2 "${curl_cv_func_send_args}")
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    string(REGEX REPLACE "^[^,]*,[^,]*,([^,]*),[^,]*,[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG3 "${curl_cv_func_send_args}")
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    string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,([^,]*),[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG4 "${curl_cv_func_send_args}")
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    string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,[^,]*,([^,]*),[^,]*$" "\\1" SEND_TYPE_RETV "${curl_cv_func_send_args}")
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    string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,[^,]*,[^,]*,([^,]*)$" "\\1" SEND_QUAL_ARG2 "${curl_cv_func_send_args}")
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  endif()
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  if("${curl_cv_func_send_args}" STREQUAL "unknown")
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    message(FATAL_ERROR "Cannot find proper types to use for send args")
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  endif("${curl_cv_func_send_args}" STREQUAL "unknown")
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  set(SEND_QUAL_ARG2 "const")
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else(curl_cv_send)
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  message(FATAL_ERROR "Unable to link function send")
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endif(curl_cv_send)
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set(curl_cv_func_send_args "${curl_cv_func_send_args}" CACHE INTERNAL "Arguments for send")
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set(HAVE_SEND 1)
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check_c_source_compiles("${_source_epilogue}
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  int main(void) {
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    int flag = MSG_NOSIGNAL;
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    (void)flag;
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    return 0;
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  }" HAVE_MSG_NOSIGNAL)
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if(NOT HAVE_WINDOWS_H)
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  add_header_include(HAVE_SYS_TIME_H "sys/time.h")
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  add_header_include(TIME_WITH_SYS_TIME "time.h")
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  add_header_include(HAVE_TIME_H "time.h")
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endif()
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check_c_source_compiles("${_source_epilogue}
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int main(void) {
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  struct timeval ts;
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  ts.tv_sec  = 0;
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  ts.tv_usec = 0;
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  (void)ts;
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  return 0;
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}" HAVE_STRUCT_TIMEVAL)
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include(CheckCSourceRuns)
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# See HAVE_POLL in CMakeLists.txt for why poll is disabled on macOS
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if(NOT APPLE)
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  set(CMAKE_REQUIRED_FLAGS)
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  if(HAVE_SYS_POLL_H)
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    set(CMAKE_REQUIRED_FLAGS "-DHAVE_SYS_POLL_H")
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  endif(HAVE_SYS_POLL_H)
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  check_c_source_runs("
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    #ifdef HAVE_SYS_POLL_H
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    #  include <sys/poll.h>
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    #endif
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    int main(void) {
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      return poll((void *)0, 0, 10 /*ms*/);
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    }" HAVE_POLL_FINE)
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endif()
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set(HAVE_SIG_ATOMIC_T 1)
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set(CMAKE_REQUIRED_FLAGS)
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if(HAVE_SIGNAL_H)
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  set(CMAKE_REQUIRED_FLAGS "-DHAVE_SIGNAL_H")
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  set(CMAKE_EXTRA_INCLUDE_FILES "signal.h")
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endif(HAVE_SIGNAL_H)
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check_type_size("sig_atomic_t" SIZEOF_SIG_ATOMIC_T)
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if(HAVE_SIZEOF_SIG_ATOMIC_T)
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  check_c_source_compiles("
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    #ifdef HAVE_SIGNAL_H
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    #  include <signal.h>
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    #endif
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    int main(void) {
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      static volatile sig_atomic_t dummy = 0;
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      (void)dummy;
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      return 0;
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    }" HAVE_SIG_ATOMIC_T_NOT_VOLATILE)
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  if(NOT HAVE_SIG_ATOMIC_T_NOT_VOLATILE)
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    set(HAVE_SIG_ATOMIC_T_VOLATILE 1)
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  endif(NOT HAVE_SIG_ATOMIC_T_NOT_VOLATILE)
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endif(HAVE_SIZEOF_SIG_ATOMIC_T)
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if(HAVE_WINDOWS_H)
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  set(CMAKE_EXTRA_INCLUDE_FILES winsock2.h)
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else()
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  set(CMAKE_EXTRA_INCLUDE_FILES)
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  if(HAVE_SYS_SOCKET_H)
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    set(CMAKE_EXTRA_INCLUDE_FILES sys/socket.h)
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  endif(HAVE_SYS_SOCKET_H)
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endif()
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check_type_size("struct sockaddr_storage" SIZEOF_STRUCT_SOCKADDR_STORAGE)
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if(HAVE_SIZEOF_STRUCT_SOCKADDR_STORAGE)
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  set(HAVE_STRUCT_SOCKADDR_STORAGE 1)
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endif(HAVE_SIZEOF_STRUCT_SOCKADDR_STORAGE)
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