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annotate Resources/PostgreSQL/func_accept_args.cmake @ 328:6a49c495c940

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 22 Jul 2021 20:20:26 +0200
parents 7cea966b6829
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1 # This mimics ac_func_accept_argtypes.m4
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2
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3 check_include_files(sys/types.h HAVE_SYS_TYPES_H)
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4 check_include_files(sys/socket.h HAVE_SYS_SOCKET_H)
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5
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6 if(HAVE_SYS_TYPES_H)
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7 set(INCLUDE_SYS_TYPES_H "#include <sys/types.h>")
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8 endif(HAVE_SYS_TYPES_H)
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9
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10 if(HAVE_SYS_SOCKET_H)
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11 set(INCLUDE_SYS_SOCKET_H "#include <sys/socket.h>")
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12 endif(HAVE_SYS_SOCKET_H)
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13
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14 message(STATUS "Looking for accept function args")
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15 set(CMAKE_REQUIRED_QUIET 1)
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16 foreach(ac_cv_func_accept_return "int" "unsigned int PASCAL" "SOCKET WSAAPI")
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17 foreach(ac_cv_func_accept_arg1 "int" "unsigned int" "SOCKET")
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18 foreach(ac_cv_func_accept_arg2 "struct sockaddr *" "const struct sockaddr *" "void *")
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19 foreach(ac_cv_func_accept_arg3 "int" "size_t" "socklen_t" "unsigned int" "void")
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20 unset(AC_FUNC_ACCEPT CACHE)
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21 CHECK_C_SOURCE_COMPILES("
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22 ${INCLUDE_SYS_TYPES_H}
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23 ${INCLUDE_SYS_SOCKET_H}
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24 extern ${ac_cv_func_accept_return} accept (${ac_cv_func_accept_arg1}, ${ac_cv_func_accept_arg2}, ${ac_cv_func_accept_arg3} *);
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25 int main(void)
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26 {
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27 return 0;
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28 }
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29 " AC_FUNC_ACCEPT)
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30 if(AC_FUNC_ACCEPT)
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31 set(ACCEPT_TYPE_RETURN ${ac_cv_func_accept_return})
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32 set(ACCEPT_TYPE_ARG1 ${ac_cv_func_accept_arg1})
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33 set(ACCEPT_TYPE_ARG2 ${ac_cv_func_accept_arg2})
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34 set(ACCEPT_TYPE_ARG3 ${ac_cv_func_accept_arg3})
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35 break()
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36 endif(AC_FUNC_ACCEPT)
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37 endforeach(ac_cv_func_accept_arg3)
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38 if(AC_FUNC_ACCEPT)
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39 break()
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40 endif(AC_FUNC_ACCEPT)
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41 endforeach(ac_cv_func_accept_arg2)
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42 if(AC_FUNC_ACCEPT)
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43 break()
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44 endif(AC_FUNC_ACCEPT)
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45 endforeach(ac_cv_func_accept_arg1)
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46 if(AC_FUNC_ACCEPT)
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47 break()
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48 endif(AC_FUNC_ACCEPT)
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49 endforeach(ac_cv_func_accept_return)
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50 unset(CMAKE_REQUIRED_QUIET)
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51
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52 if(NOT AC_FUNC_ACCEPT)
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53 message(ERROR "could not determine argument types")
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54 endif(NOT AC_FUNC_ACCEPT)
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55 if(ac_cv_func_accept_arg3 EQUAL "void")
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56 set(ac_cv_func_accept_arg3 "int")
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57 endif(ac_cv_func_accept_arg3 EQUAL "void")
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58
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59 message(STATUS "Looking for accept function args - found ${ACCEPT_TYPE_RETURN}, ${ACCEPT_TYPE_ARG1}, ${ACCEPT_TYPE_ARG2}, ${ACCEPT_TYPE_ARG3} *")