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curl/CMake/OtherTests.cmake
Jakub Zakrzewski be17f298ff cmake: avoid linking executable for some tests with cmake 3.6+ 
With CMAKE_TRY_COMPILE_TARGET_TYPE set to STATIC_LIBRARY, the try_compile()
(which is used by check_c_source_compiles()) will build static library
instead of executable. This avoids linking additional libraries in and thus
speeds up those checks a little.

This commit also avoids #3743 (GSSAPI build errors) on itself with cmake
3.6 or above. That issue was fixed separately for all versions.

Ref: #3744
2019-04-10 19:12:28 +02:00

265 lines
9.3 KiB
CMake
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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 <${header}>")
endif()
endmacro()
set(signature_call_conv)
if(HAVE_WINDOWS_H)
add_header_include(HAVE_WINSOCK2_H "winsock2.h")
add_header_include(HAVE_WINDOWS_H "windows.h")
add_header_include(HAVE_WINSOCK_H "winsock.h")
set(_source_epilogue
"${_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)
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")
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)
unset(curl_cv_func_recv_test CACHE)
check_c_source_compiles("
${_source_epilogue}
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}")
set(RECV_TYPE_ARG1 "${recv_arg1}")
set(RECV_TYPE_ARG2 "${recv_arg2}")
set(RECV_TYPE_ARG3 "${recv_arg3}")
set(RECV_TYPE_ARG4 "${recv_arg4}")
set(RECV_TYPE_RETV "${recv_retv}")
set(HAVE_RECV 1)
set(curl_cv_func_recv_done 1)
endif()
endif()
endforeach()
endforeach()
endforeach()
endforeach()
endforeach()
else()
string(REGEX REPLACE "^([^,]*),[^,]*,[^,]*,[^,]*,[^,]*$" "\\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 "${curl_cv_func_recv_args}" CACHE INTERNAL "Arguments for recv")
set(HAVE_RECV 1)
check_c_source_compiles("${_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")
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)
unset(curl_cv_func_send_test CACHE)
check_c_source_compiles("
${_source_epilogue}
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},${send_qual_arg2}")
set(SEND_TYPE_ARG1 "${send_arg1}")
set(SEND_TYPE_ARG2 "${send_arg2}")
set(SEND_TYPE_ARG3 "${send_arg3}")
set(SEND_TYPE_ARG4 "${send_arg4}")
set(SEND_TYPE_RETV "${send_retv}")
set(HAVE_SEND 1)
set(curl_cv_func_send_done 1)
endif()
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)
set(HAVE_SIG_ATOMIC_T 1)
set(CMAKE_REQUIRED_FLAGS)
if(HAVE_SIGNAL_H)
set(CMAKE_REQUIRED_FLAGS "-DHAVE_SIGNAL_H")
set(CMAKE_EXTRA_INCLUDE_FILES "signal.h")
endif()
check_type_size("sig_atomic_t" SIZEOF_SIG_ATOMIC_T)
if(HAVE_SIZEOF_SIG_ATOMIC_T)
check_c_source_compiles("
#ifdef HAVE_SIGNAL_H
# include <signal.h>
#endif
int main(void) {
static volatile sig_atomic_t dummy = 0;
(void)dummy;
return 0;
}" HAVE_SIG_ATOMIC_T_NOT_VOLATILE)
if(NOT HAVE_SIG_ATOMIC_T_NOT_VOLATILE)
set(HAVE_SIG_ATOMIC_T_VOLATILE 1)
endif()
endif()
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 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 <stdlib.h>
#include <sys/time.h>
#ifdef HAVE_SYS_POLL_H
# include <sys/poll.h>
#elif HAVE_POLL_H
# include <poll.h>
#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()
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