#*************************************************************************** # _ _ ____ _ # Project ___| | | | _ \| | # / __| | | | |_) | | # | (__| |_| | _ <| |___ # \___|\___/|_| \_\_____| # # Copyright (C) 1998 - 2021, Daniel Stenberg, , et al. # # This software is licensed as described in the file COPYING, which # you should have received as part of this distribution. The terms # are also available at https://curl.se/docs/copyright.html. # # You may opt to use, copy, modify, merge, publish, distribute and/or sell # copies of the Software, and permit persons to whom the Software is # furnished to do so, under the terms of the COPYING file. # # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY # KIND, either express or implied. # ########################################################################### include(CheckCSourceCompiles) # The begin of the sources (macros and includes) set(_source_epilogue "#undef inline") macro(add_header_include check header) if(${check}) set(_source_epilogue "${_source_epilogue}\n#include <${header}>") endif() endmacro() set(signature_call_conv) if(HAVE_WINDOWS_H) add_header_include(HAVE_WINSOCK2_H "winsock2.h") add_header_include(HAVE_WINDOWS_H "windows.h") set(_source_epilogue "${_source_epilogue}\n#ifndef WIN32_LEAN_AND_MEAN\n#define WIN32_LEAN_AND_MEAN\n#endif") set(signature_call_conv "PASCAL") if(HAVE_LIBWS2_32) set(CMAKE_REQUIRED_LIBRARIES ws2_32) endif() else() add_header_include(HAVE_SYS_TYPES_H "sys/types.h") add_header_include(HAVE_SYS_SOCKET_H "sys/socket.h") endif() set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY) function(curl_cv_func_recv_run_test recv_retv recv_arg1 recv_arg2 recv_arg3 recv_arg4) unset(curl_cv_func_recv_test CACHE) check_c_source_compiles(" ${_source_epilogue} #ifdef WINSOCK_API_LINKAGE WINSOCK_API_LINKAGE #endif extern ${recv_retv} ${signature_call_conv} recv(${recv_arg1}, ${recv_arg2}, ${recv_arg3}, ${recv_arg4}); int main(void) { ${recv_arg1} s=0; ${recv_arg2} buf=0; ${recv_arg3} len=0; ${recv_arg4} flags=0; ${recv_retv} res = recv(s, buf, len, flags); (void) res; return 0; }" curl_cv_func_recv_test) message(STATUS "Tested: ${recv_retv} recv(${recv_arg1}, ${recv_arg2}, ${recv_arg3}, ${recv_arg4})") if(curl_cv_func_recv_test) set(curl_cv_func_recv_args "${recv_arg1},${recv_arg2},${recv_arg3},${recv_arg4},${recv_retv}" PARENT_SCOPE) set(RECV_TYPE_ARG1 "${recv_arg1}" PARENT_SCOPE) set(RECV_TYPE_ARG2 "${recv_arg2}" PARENT_SCOPE) set(RECV_TYPE_ARG3 "${recv_arg3}" PARENT_SCOPE) set(RECV_TYPE_ARG4 "${recv_arg4}" PARENT_SCOPE) set(RECV_TYPE_RETV "${recv_retv}" PARENT_SCOPE) set(HAVE_RECV 1 PARENT_SCOPE) set(curl_cv_func_recv_done 1 PARENT_SCOPE) endif() endfunction() check_c_source_compiles("${_source_epilogue} int main(void) { recv(0, 0, 0, 0); return 0; }" curl_cv_recv) if(curl_cv_recv) if(NOT DEFINED curl_cv_func_recv_args OR curl_cv_func_recv_args STREQUAL "unknown") if(APPLE) curl_cv_func_recv_run_test("ssize_t" "int" "void *" "size_t" "int") endif() foreach(recv_retv "int" "ssize_t" ) foreach(recv_arg1 "SOCKET" "int" ) foreach(recv_arg2 "char *" "void *" ) foreach(recv_arg3 "int" "size_t" "socklen_t" "unsigned int") foreach(recv_arg4 "int" "unsigned int") if(NOT curl_cv_func_recv_done) curl_cv_func_recv_run_test(${recv_retv} ${recv_arg1} ${recv_arg2} ${recv_arg3} ${recv_arg4}) endif() endforeach() endforeach() endforeach() endforeach() endforeach() else() string(REGEX REPLACE "^([^,]*),[^,]*,[^,]*,[^,]*,[^,]*$" "\\1" RECV_TYPE_ARG1 "${curl_cv_func_recv_args}") string(REGEX REPLACE "^[^,]*,([^,]*),[^,]*,[^,]*,[^,]*$" "\\1" RECV_TYPE_ARG2 "${curl_cv_func_recv_args}") string(REGEX REPLACE "^[^,]*,[^,]*,([^,]*),[^,]*,[^,]*$" "\\1" RECV_TYPE_ARG3 "${curl_cv_func_recv_args}") string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,([^,]*),[^,]*$" "\\1" RECV_TYPE_ARG4 "${curl_cv_func_recv_args}") string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,[^,]*,([^,]*)$" "\\1" RECV_TYPE_RETV "${curl_cv_func_recv_args}") endif() if(curl_cv_func_recv_args STREQUAL "unknown") message(FATAL_ERROR "Cannot find proper types to use for recv args") endif() else() message(FATAL_ERROR "Unable to link function recv") endif() set(curl_cv_func_recv_args "${curl_cv_func_recv_args}" CACHE INTERNAL "Arguments for recv") set(HAVE_RECV 1) function(curl_cv_func_send_run_test send_retv send_arg1 send_arg2 send_arg3 send_arg4) unset(curl_cv_func_send_test CACHE) check_c_source_compiles(" ${_source_epilogue} #ifdef WINSOCK_API_LINKAGE WINSOCK_API_LINKAGE #endif extern ${send_retv} ${signature_call_conv} send(${send_arg1}, ${send_arg2}, ${send_arg3}, ${send_arg4}); int main(void) { ${send_arg1} s=0; ${send_arg2} buf=0; ${send_arg3} len=0; ${send_arg4} flags=0; ${send_retv} res = send(s, buf, len, flags); (void) res; return 0; }" curl_cv_func_send_test) message(STATUS "Tested: ${send_retv} send(${send_arg1}, ${send_arg2}, ${send_arg3}, ${send_arg4})") if(curl_cv_func_send_test) string(REGEX REPLACE "(const) .*" "\\1" send_qual_arg2 "${send_arg2}") string(REGEX REPLACE "const (.*)" "\\1" send_arg2 "${send_arg2}") set(curl_cv_func_send_args "${send_arg1},${send_arg2},${send_arg3},${send_arg4},${send_retv},${send_qual_arg2}" PARENT_SCOPE) set(SEND_TYPE_ARG1 "${send_arg1}" PARENT_SCOPE) set(SEND_TYPE_ARG2 "${send_arg2}" PARENT_SCOPE) set(SEND_TYPE_ARG3 "${send_arg3}" PARENT_SCOPE) set(SEND_TYPE_ARG4 "${send_arg4}" PARENT_SCOPE) set(SEND_TYPE_RETV "${send_retv}" PARENT_SCOPE) set(HAVE_SEND 1 PARENT_SCOPE) set(curl_cv_func_send_done 1 PARENT_SCOPE) endif() endfunction() check_c_source_compiles("${_source_epilogue} int main(void) { send(0, 0, 0, 0); return 0; }" curl_cv_send) if(curl_cv_send) if(NOT DEFINED curl_cv_func_send_args OR "${curl_cv_func_send_args}" STREQUAL "unknown") if(APPLE) curl_cv_func_send_run_test("ssize_t" "int" "const void *" "size_t" "int") endif() foreach(send_retv "int" "ssize_t" ) foreach(send_arg1 "SOCKET" "int" "ssize_t" ) foreach(send_arg2 "const char *" "const void *" "void *" "char *") foreach(send_arg3 "int" "size_t" "socklen_t" "unsigned int") foreach(send_arg4 "int" "unsigned int") if(NOT curl_cv_func_send_done) curl_cv_func_send_run_test("${send_retv}" "${send_arg1}" "${send_arg2}" "${send_arg3}" "${send_arg4}") endif() endforeach() endforeach() endforeach() endforeach() endforeach() else() string(REGEX REPLACE "^([^,]*),[^,]*,[^,]*,[^,]*,[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG1 "${curl_cv_func_send_args}") string(REGEX REPLACE "^[^,]*,([^,]*),[^,]*,[^,]*,[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG2 "${curl_cv_func_send_args}") string(REGEX REPLACE "^[^,]*,[^,]*,([^,]*),[^,]*,[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG3 "${curl_cv_func_send_args}") string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,([^,]*),[^,]*,[^,]*$" "\\1" SEND_TYPE_ARG4 "${curl_cv_func_send_args}") string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,[^,]*,([^,]*),[^,]*$" "\\1" SEND_TYPE_RETV "${curl_cv_func_send_args}") string(REGEX REPLACE "^[^,]*,[^,]*,[^,]*,[^,]*,[^,]*,([^,]*)$" "\\1" SEND_QUAL_ARG2 "${curl_cv_func_send_args}") endif() if("${curl_cv_func_send_args}" STREQUAL "unknown") message(FATAL_ERROR "Cannot find proper types to use for send args") endif() set(SEND_QUAL_ARG2 "const") else() message(FATAL_ERROR "Unable to link function send") endif() set(curl_cv_func_send_args "${curl_cv_func_send_args}" CACHE INTERNAL "Arguments for send") set(HAVE_SEND 1) check_c_source_compiles("${_source_epilogue} int main(void) { int flag = MSG_NOSIGNAL; (void)flag; return 0; }" HAVE_MSG_NOSIGNAL) if(NOT HAVE_WINDOWS_H) add_header_include(HAVE_SYS_TIME_H "sys/time.h") add_header_include(TIME_WITH_SYS_TIME "time.h") add_header_include(HAVE_TIME_H "time.h") endif() check_c_source_compiles("${_source_epilogue} int main(void) { struct timeval ts; ts.tv_sec = 0; ts.tv_usec = 0; (void)ts; return 0; }" HAVE_STRUCT_TIMEVAL) if(HAVE_WINDOWS_H) set(CMAKE_EXTRA_INCLUDE_FILES winsock2.h) else() set(CMAKE_EXTRA_INCLUDE_FILES) if(HAVE_SYS_SOCKET_H) set(CMAKE_EXTRA_INCLUDE_FILES sys/socket.h) endif() endif() check_type_size("struct sockaddr_storage" SIZEOF_STRUCT_SOCKADDR_STORAGE) if(HAVE_SIZEOF_STRUCT_SOCKADDR_STORAGE) set(HAVE_STRUCT_SOCKADDR_STORAGE 1) endif() unset(CMAKE_TRY_COMPILE_TARGET_TYPE) if(NOT DEFINED CMAKE_TOOLCHAIN_FILE) if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin") # only try this on non-macOS # if not cross-compilation... include(CheckCSourceRuns) set(CMAKE_REQUIRED_FLAGS "") if(HAVE_SYS_POLL_H) set(CMAKE_REQUIRED_FLAGS "-DHAVE_SYS_POLL_H") elseif(HAVE_POLL_H) set(CMAKE_REQUIRED_FLAGS "-DHAVE_POLL_H") endif() check_c_source_runs(" #include #include #ifdef HAVE_SYS_POLL_H # include #elif HAVE_POLL_H # include #endif int main(void) { if(0 != poll(0, 0, 10)) { return 1; /* fail */ } else { /* detect the 10.12 poll() breakage */ struct timeval before, after; int rc; size_t us; gettimeofday(&before, NULL); rc = poll(NULL, 0, 500); gettimeofday(&after, NULL); us = (after.tv_sec - before.tv_sec) * 1000000 + (after.tv_usec - before.tv_usec); if(us < 400000) { return 1; } } return 0; }" HAVE_POLL_FINE) endif() endif()