260 lines
9.2 KiB
CMake
260 lines
9.2 KiB
CMake
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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 <${header}>")
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endif()
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endmacro()
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set(signature_call_conv)
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if(HAVE_WINDOWS_H)
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add_header_include(HAVE_WINSOCK2_H "winsock2.h")
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add_header_include(HAVE_WINDOWS_H "windows.h")
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add_header_include(HAVE_WINSOCK_H "winsock.h")
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set(_source_epilogue
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"${_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()
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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()
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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 "${recv_retv}")
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set(HAVE_RECV 1)
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set(curl_cv_func_recv_done 1)
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endif()
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endif()
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endforeach()
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endforeach()
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endforeach()
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endforeach()
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endforeach()
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else()
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string(REGEX REPLACE "^([^,]*),[^,]*,[^,]*,[^,]*,[^,]*$" "\\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()
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else()
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message(FATAL_ERROR "Unable to link function recv")
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endif()
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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()
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endif()
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endforeach()
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endforeach()
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endforeach()
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endforeach()
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endforeach()
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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("${curl_cv_func_send_args}" STREQUAL "unknown")
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message(FATAL_ERROR "Cannot find proper types to use for send args")
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endif()
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set(SEND_QUAL_ARG2 "const")
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else()
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message(FATAL_ERROR "Unable to link function send")
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endif()
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set(curl_cv_func_send_args "${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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if(NOT DEFINED CMAKE_TOOLCHAIN_FILE)
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# if not cross-compilation...
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include(CheckCSourceRuns)
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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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elseif(HAVE_POLL_H)
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set(CMAKE_REQUIRED_FLAGS "-DHAVE_POLL_H")
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endif()
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check_c_source_runs("
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#include <stdlib.h>
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#include <sys/time.h>
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#ifdef HAVE_SYS_POLL_H
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# include <sys/poll.h>
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#elif HAVE_POLL_H
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# include <poll.h>
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#endif
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int main(void)
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{
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if(0 != poll(0, 0, 10)) {
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return 1; /* fail */
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}
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else {
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/* detect the 10.12 poll() breakage */
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struct timeval before, after;
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int rc;
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size_t us;
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gettimeofday(&before, NULL);
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rc = poll(NULL, 0, 500);
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gettimeofday(&after, NULL);
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us = (after.tv_sec - before.tv_sec) * 1000000 +
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(after.tv_usec - before.tv_usec);
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if(us < 400000) {
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return 1;
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}
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}
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return 0;
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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()
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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()
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endif()
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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()
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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()
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