Simplify test-snippets in configure.cmake

The main(void) signature obviates the need for unused parameters and
has existed since (at least) C89; so use that instead of the
old-fashioned argc/argv arguments we don't use in any of these tests.

Change-Id: Ibfe850a1fce378673c9781011475ea623fd75ad4
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>

9 files changed, 121 insertions, 242 deletions

diff --git a/.prev_configure.cmake b/.prev_configure.cmake
index cfeb068ca9..55567c8922 100644
--- a/.prev_configure.cmake
+++ b/.prev_configure.cmake
@@ -28,9 +28,8 @@ qt_config_compile_test(cxx14
 #endif
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -53,9 +52,8 @@ qt_config_compile_test(cxx17
 #include <variant>
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 std::variant<int> v(42);
 int i = std::get<int>(v);
@@ -78,9 +76,8 @@ qt_config_compile_test(cxx20
 #endif
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -99,9 +96,8 @@ qt_config_compile_test(precompile_header
 #ifndef HEADER_H
 #error no go
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -149,9 +145,8 @@ qt_config_compile_test(reduce_relocations
 #endif
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -172,9 +167,8 @@ qt_config_compile_test(signaling_nan
 "#include <limits>
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 using B = std::numeric_limits<double>;
 static_assert(B::has_signaling_NaN, \"System lacks signaling NaN\");
@@ -254,9 +248,8 @@ qt_config_compile_test(posix_fallocate
 #include <fcntl.h>
 #include <unistd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 (void) posix_fallocate(0, 0, 0);
     /* END TEST: */
@@ -271,9 +264,8 @@ qt_config_compile_test(alloca_stdlib_h
 "
 #include <stdlib.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 alloca(1);
     /* END TEST: */
@@ -291,9 +283,8 @@ qt_config_compile_test(alloca_h
 // extra include needed in QNX7 to define NULL for the alloca() macro
 #  include <stddef.h>
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 alloca(1);
     /* END TEST: */
@@ -308,9 +299,8 @@ qt_config_compile_test(alloca_malloc_h
 "
 #include <malloc.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 alloca(1);
     /* END TEST: */
@@ -331,9 +321,8 @@ qt_config_compile_test(stack_protector
 #endif
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -348,9 +337,8 @@ qt_config_compile_test(intelcet
 "
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 #if !defined(__CET__)
 #  error Intel CET not available
diff --git a/configure.cmake b/configure.cmake
index 0fdb00859e..5686aa36ab 100644
--- a/configure.cmake
+++ b/configure.cmake
@@ -28,9 +28,8 @@ qt_config_compile_test(cxx14
 #endif
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -53,9 +52,8 @@ qt_config_compile_test(cxx17
 #include <variant>
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 std::variant<int> v(42);
 int i = std::get<int>(v);
@@ -78,9 +76,8 @@ qt_config_compile_test(cxx20
 #endif
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -99,9 +96,8 @@ qt_config_compile_test(precompile_header
 #ifndef HEADER_H
 #error no go
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -149,9 +145,8 @@ qt_config_compile_test(reduce_relocations
 #endif
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -172,9 +167,8 @@ qt_config_compile_test(signaling_nan
 "#include <limits>
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 using B = std::numeric_limits<double>;
 static_assert(B::has_signaling_NaN, \"System lacks signaling NaN\");
@@ -254,9 +248,8 @@ qt_config_compile_test(posix_fallocate
 #include <fcntl.h>
 #include <unistd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 (void) posix_fallocate(0, 0, 0);
     /* END TEST: */
@@ -271,9 +264,8 @@ qt_config_compile_test(alloca_stdlib_h
 "
 #include <stdlib.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 alloca(1);
     /* END TEST: */
@@ -291,9 +283,8 @@ qt_config_compile_test(alloca_h
 // extra include needed in QNX7 to define NULL for the alloca() macro
 #  include <stddef.h>
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 alloca(1);
     /* END TEST: */
@@ -308,9 +299,8 @@ qt_config_compile_test(alloca_malloc_h
 "
 #include <malloc.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 alloca(1);
     /* END TEST: */
@@ -331,9 +321,8 @@ qt_config_compile_test(stack_protector
 #endif
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -348,9 +337,8 @@ qt_config_compile_test(intelcet
 "
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 #if !defined(__CET__)
 #  error Intel CET not available
diff --git a/src/corelib/.prev_configure.cmake b/src/corelib/.prev_configure.cmake
index 46aad14689..f35ad0187b 100644
--- a/src/corelib/.prev_configure.cmake
+++ b/src/corelib/.prev_configure.cmake
@@ -55,9 +55,8 @@ void test(volatile atomicfptr &a)
     }
     a.store(&testfunction, std::memory_order_release);
 }
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 atomicfptr fptr(testfunction);
 test(fptr);
@@ -76,9 +75,8 @@ qt_config_compile_test(clock_monotonic
 #include <unistd.h>
 #include <time.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 #if defined(_POSIX_MONOTONIC_CLOCK) && (_POSIX_MONOTONIC_CLOCK-0 >= 0)
 timespec ts;
@@ -101,9 +99,8 @@ qt_config_compile_test(cloexec
 #include <fcntl.h>
 #include <unistd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 int pipes[2];
 (void) pipe2(pipes, O_CLOEXEC | O_NONBLOCK);
@@ -126,9 +123,8 @@ qt_config_compile_test(cxx11_future
 "
 #include <future>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 std::future<int> f = std::async([]() { return 42; });
 (void)f.get();
@@ -145,9 +141,8 @@ qt_config_compile_test(cxx11_random
 "
 #include <random>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 std::mt19937 mt(0);
     /* END TEST: */
@@ -162,9 +157,8 @@ qt_config_compile_test(cxx17_filesystem
 "
 #include <filesystem>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 std::filesystem::copy(
     std::filesystem::path(\"./file\"),
@@ -182,9 +176,8 @@ qt_config_compile_test(eventfd
 "
 #include <sys/eventfd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 eventfd_t value;
 int fd = eventfd(0, EFD_CLOEXEC);
@@ -202,9 +195,8 @@ qt_config_compile_test(futimens
 "
 #include <sys/stat.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 futimens(-1, 0);
     /* END TEST: */
@@ -220,9 +212,8 @@ qt_config_compile_test(futimes
 "
 #include <sys/time.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 futimes(-1, 0);
     /* END TEST: */
@@ -237,9 +228,8 @@ qt_config_compile_test(getauxval
 "
 #include <sys/auxv.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 (void) getauxval(AT_NULL);
     /* END TEST: */
@@ -254,9 +244,8 @@ qt_config_compile_test(getentropy
 "
 #include <unistd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 char buf[32];
 (void) getentropy(buf, sizeof(buf));
@@ -272,9 +261,8 @@ qt_config_compile_test(glibc
 "
 #include <stdlib.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 return __GLIBC__;
     /* END TEST: */
@@ -289,9 +277,8 @@ qt_config_compile_test(inotify
 "
 #include <sys/inotify.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 inotify_init();
 inotify_add_watch(0, \"foobar\", IN_ACCESS);
@@ -312,9 +299,8 @@ qt_config_compile_test(ipc_sysv
 #include <sys/shm.h>
 #include <fcntl.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 key_t unix_key = ftok(\"test\", 'Q');
 semctl(semget(unix_key, 1, 0666 | IPC_CREAT | IPC_EXCL), 0, IPC_RMID, 0);
@@ -340,9 +326,8 @@ qt_config_compile_test(ipc_posix
 #include <semaphore.h>
 #include <fcntl.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 sem_close(sem_open(\"test\", O_CREAT | O_EXCL, 0666, 0));
 shm_open(\"test\", O_RDWR | O_CREAT | O_EXCL, 0666);
@@ -360,9 +345,8 @@ qt_config_compile_test(linkat
 #include <fcntl.h>
 #include <unistd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 linkat(AT_FDCWD, \"foo\", AT_FDCWD, \"bar\", AT_SYMLINK_FOLLOW);
     /* END TEST: */
@@ -378,9 +362,8 @@ qt_config_compile_test(ppoll
 #include <signal.h>
 #include <poll.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 struct pollfd pfd;
 struct timespec ts;
@@ -400,9 +383,8 @@ qt_config_compile_test(pollts
 #include <signal.h>
 #include <time.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 struct pollfd pfd;
 struct timespec ts;
@@ -420,9 +402,8 @@ qt_config_compile_test(poll
 "
 #include <poll.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 struct pollfd pfd;
 poll(&pfd, 1, 0);
@@ -439,9 +420,8 @@ qt_config_compile_test(renameat2
 #include <fcntl.h>
 #include <stdio.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 renameat2(AT_FDCWD, argv[1], AT_FDCWD, argv[2], RENAME_NOREPLACE | RENAME_WHITEOUT);
     /* END TEST: */
@@ -459,9 +439,8 @@ qt_config_compile_test(statx
 #include <unistd.h>
 #include <fcntl.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 struct statx statxbuf;
 unsigned int mask = STATX_BASIC_STATS;
@@ -478,9 +457,8 @@ qt_config_compile_test(syslog
 "
 #include <syslog.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 openlog(\"qt\", 0, LOG_USER);
 syslog(LOG_INFO, \"configure\");
@@ -506,9 +484,8 @@ qt_config_compile_test(xlocalescanprint
 #define QT_NO_DOUBLECONVERSION
 
 #include QDSP_P_H
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 #ifdef _MSVC_VER
 _locale_t invalidLocale = NULL;
diff --git a/src/corelib/configure.cmake b/src/corelib/configure.cmake
index 1c585f5b3c..6e189ad2dd 100644
--- a/src/corelib/configure.cmake
+++ b/src/corelib/configure.cmake
@@ -55,9 +55,8 @@ void test(volatile atomicfptr &a)
     }
     a.store(&testfunction, std::memory_order_release);
 }
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 atomicfptr fptr(testfunction);
 test(fptr);
@@ -76,9 +75,8 @@ qt_config_compile_test(clock_monotonic
 #include <unistd.h>
 #include <time.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 #if defined(_POSIX_MONOTONIC_CLOCK) && (_POSIX_MONOTONIC_CLOCK-0 >= 0)
 timespec ts;
@@ -101,9 +99,8 @@ qt_config_compile_test(cloexec
 #include <fcntl.h>
 #include <unistd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 int pipes[2];
 (void) pipe2(pipes, O_CLOEXEC | O_NONBLOCK);
@@ -132,9 +129,8 @@ qt_config_compile_test(cxx11_future
 "
 #include <future>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 std::future<int> f = std::async([]() { return 42; });
 (void)f.get();
@@ -151,9 +147,8 @@ qt_config_compile_test(cxx11_random
 "
 #include <random>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 std::mt19937 mt(0);
     /* END TEST: */
@@ -168,9 +163,8 @@ qt_config_compile_test(cxx17_filesystem
 "
 #include <filesystem>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 std::filesystem::copy(
     std::filesystem::path(\"./file\"),
@@ -188,9 +182,8 @@ qt_config_compile_test(eventfd
 "
 #include <sys/eventfd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 eventfd_t value;
 int fd = eventfd(0, EFD_CLOEXEC);
@@ -208,9 +201,8 @@ qt_config_compile_test(futimens
 "
 #include <sys/stat.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 futimens(-1, 0);
     /* END TEST: */
@@ -226,9 +218,8 @@ qt_config_compile_test(futimes
 "
 #include <sys/time.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 futimes(-1, 0);
     /* END TEST: */
@@ -243,9 +234,8 @@ qt_config_compile_test(getauxval
 "
 #include <sys/auxv.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 (void) getauxval(AT_NULL);
     /* END TEST: */
@@ -260,9 +250,8 @@ qt_config_compile_test(getentropy
 "
 #include <unistd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 char buf[32];
 (void) getentropy(buf, sizeof(buf));
@@ -278,9 +267,8 @@ qt_config_compile_test(glibc
 "
 #include <stdlib.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 return __GLIBC__;
     /* END TEST: */
@@ -295,9 +283,8 @@ qt_config_compile_test(inotify
 "
 #include <sys/inotify.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 inotify_init();
 inotify_add_watch(0, \"foobar\", IN_ACCESS);
@@ -318,9 +305,8 @@ qt_config_compile_test(ipc_sysv
 #include <sys/shm.h>
 #include <fcntl.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 key_t unix_key = ftok(\"test\", 'Q');
 semctl(semget(unix_key, 1, 0666 | IPC_CREAT | IPC_EXCL), 0, IPC_RMID, 0);
@@ -346,9 +332,8 @@ qt_config_compile_test(ipc_posix
 #include <semaphore.h>
 #include <fcntl.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 sem_close(sem_open(\"test\", O_CREAT | O_EXCL, 0666, 0));
 shm_open(\"test\", O_RDWR | O_CREAT | O_EXCL, 0666);
@@ -366,9 +351,8 @@ qt_config_compile_test(linkat
 #include <fcntl.h>
 #include <unistd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 linkat(AT_FDCWD, \"foo\", AT_FDCWD, \"bar\", AT_SYMLINK_FOLLOW);
     /* END TEST: */
@@ -384,9 +368,8 @@ qt_config_compile_test(ppoll
 #include <signal.h>
 #include <poll.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 struct pollfd pfd;
 struct timespec ts;
@@ -406,9 +389,8 @@ qt_config_compile_test(pollts
 #include <signal.h>
 #include <time.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 struct pollfd pfd;
 struct timespec ts;
@@ -426,9 +408,8 @@ qt_config_compile_test(poll
 "
 #include <poll.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 struct pollfd pfd;
 poll(&pfd, 1, 0);
@@ -445,9 +426,8 @@ qt_config_compile_test(renameat2
 #include <fcntl.h>
 #include <stdio.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 renameat2(AT_FDCWD, argv[1], AT_FDCWD, argv[2], RENAME_NOREPLACE | RENAME_WHITEOUT);
     /* END TEST: */
@@ -465,9 +445,8 @@ qt_config_compile_test(statx
 #include <unistd.h>
 #include <fcntl.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 struct statx statxbuf;
 unsigned int mask = STATX_BASIC_STATS;
@@ -484,9 +463,8 @@ qt_config_compile_test(syslog
 "
 #include <syslog.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 openlog(\"qt\", 0, LOG_USER);
 syslog(LOG_INFO, \"configure\");
@@ -512,9 +490,8 @@ qt_config_compile_test(xlocalescanprint
 #define QT_NO_DOUBLECONVERSION
 
 #include QDSP_P_H
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 #ifdef _MSVC_VER
 _locale_t invalidLocale = NULL;
diff --git a/src/gui/.prev_configure.cmake b/src/gui/.prev_configure.cmake
index cd962e8667..a9d8ec4cb7 100644
--- a/src/gui/.prev_configure.cmake
+++ b/src/gui/.prev_configure.cmake
@@ -144,9 +144,8 @@ extern \"C\" {
 #include <xf86drmMode.h>
 #include <xf86drm.h>
 }
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 drmModeAtomicReq *request;
     /* END TEST: */
@@ -169,9 +168,8 @@ qt_config_compile_test(egl_x11
 #include <EGL/egl.h>
 #include <X11/Xlib.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 Display *dpy = EGL_DEFAULT_DISPLAY;
 EGLNativeDisplayType egldpy = XOpenDisplay(\"\");
@@ -194,9 +192,8 @@ qt_config_compile_test(egl_brcm
 #include <EGL/egl.h>
 #include <bcm_host.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 vc_dispmanx_display_open(0);
     /* END TEST: */
@@ -215,9 +212,8 @@ qt_config_compile_test(egl_egldevice
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 EGLDeviceEXT device = 0;
 EGLStreamKHR stream = 0;
@@ -239,9 +235,8 @@ qt_config_compile_test(egl_mali
 #include <EGL/egl.h>
 #include <GLES2/gl2.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 fbdev_window *w = 0;
     /* END TEST: */
@@ -259,9 +254,8 @@ qt_config_compile_test(egl_mali_2
 #include <EGL/egl.h>
 #include <GLES2/gl2.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 mali_native_window *w = 0;
     /* END TEST: */
@@ -279,9 +273,8 @@ qt_config_compile_test(egl_viv
 #include <EGL/egl.h>
 #include <EGL/eglvivante.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 #ifdef __INTEGRITY
 fbGetDisplay();
@@ -305,9 +298,8 @@ qt_config_compile_test(egl_openwfd
 "
 #include <wfd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 wfdEnumerateDevices(nullptr, 0, nullptr);
     /* END TEST: */
@@ -327,9 +319,8 @@ qt_config_compile_test(egl_rcar
 extern \"C\" {
 extern unsigned long PVRGrfxServerInit(void);
 }
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 PVRGrfxServerInit();
     /* END TEST: */
@@ -355,9 +346,8 @@ enum {
 };
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 input_event buf[32];
 (void) buf;
@@ -373,9 +363,8 @@ qt_config_compile_test(integrityfb
 "
 #include <device/fbdriver.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 FBDriver *driver = 0;
     /* END TEST: */
@@ -392,9 +381,8 @@ qt_config_compile_test(linuxfb
 #include <sys/kd.h>
 #include <sys/ioctl.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 fb_fix_screeninfo finfo;
 fb_var_screeninfo vinfo;
@@ -420,9 +408,8 @@ qt_config_compile_test(opengles3
 #endif
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 static GLfloat f[6];
 glGetStringi(GL_EXTENSIONS, 0);
@@ -443,9 +430,8 @@ qt_config_compile_test(opengles31
 "
 #include <GLES3/gl31.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 glDispatchCompute(1, 1, 1);
 glProgramUniform1i(0, 0, 0);
@@ -463,9 +449,8 @@ qt_config_compile_test(opengles32
 "
 #include <GLES3/gl32.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 glFramebufferTexture(GL_TEXTURE_2D, GL_DEPTH_STENCIL_ATTACHMENT, 1, 0);
     /* END TEST: */
@@ -505,9 +490,8 @@ qt_config_compile_test(xcb_syslibs
 #include <xcb/xcb_renderutil.h>
 #include <xcb/xkb.h>
 #undef explicit
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 int primaryScreen = 0;
 xcb_connection_t *c = xcb_connect(\"\", &primaryScreen);
diff --git a/src/gui/configure.cmake b/src/gui/configure.cmake
index 2dca0e1742..7733688124 100644
--- a/src/gui/configure.cmake
+++ b/src/gui/configure.cmake
@@ -144,9 +144,8 @@ extern \"C\" {
 #include <xf86drmMode.h>
 #include <xf86drm.h>
 }
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 drmModeAtomicReq *request;
     /* END TEST: */
@@ -169,9 +168,8 @@ qt_config_compile_test(egl_x11
 #include <EGL/egl.h>
 #include <X11/Xlib.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 Display *dpy = EGL_DEFAULT_DISPLAY;
 EGLNativeDisplayType egldpy = XOpenDisplay(\"\");
@@ -194,9 +192,8 @@ qt_config_compile_test(egl_brcm
 #include <EGL/egl.h>
 #include <bcm_host.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 vc_dispmanx_display_open(0);
     /* END TEST: */
@@ -215,9 +212,8 @@ qt_config_compile_test(egl_egldevice
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 EGLDeviceEXT device = 0;
 EGLStreamKHR stream = 0;
@@ -239,9 +235,8 @@ qt_config_compile_test(egl_mali
 #include <EGL/egl.h>
 #include <GLES2/gl2.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 fbdev_window *w = 0;
     /* END TEST: */
@@ -259,9 +254,8 @@ qt_config_compile_test(egl_mali_2
 #include <EGL/egl.h>
 #include <GLES2/gl2.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 mali_native_window *w = 0;
     /* END TEST: */
@@ -281,9 +275,8 @@ qt_config_compile_test(egl_viv
 #include <EGL/egl.h>
 #include <EGL/eglvivante.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 #ifdef __INTEGRITY
 fbGetDisplay();
@@ -307,9 +300,8 @@ qt_config_compile_test(egl_openwfd
 "
 #include <wfd.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 wfdEnumerateDevices(nullptr, 0, nullptr);
     /* END TEST: */
@@ -329,9 +321,8 @@ qt_config_compile_test(egl_rcar
 extern \"C\" {
 extern unsigned long PVRGrfxServerInit(void);
 }
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 PVRGrfxServerInit();
     /* END TEST: */
@@ -357,9 +348,8 @@ enum {
 };
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 input_event buf[32];
 (void) buf;
@@ -375,9 +365,8 @@ qt_config_compile_test(integrityfb
 "
 #include <device/fbdriver.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 FBDriver *driver = 0;
     /* END TEST: */
@@ -394,9 +383,8 @@ qt_config_compile_test(linuxfb
 #include <sys/kd.h>
 #include <sys/ioctl.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 fb_fix_screeninfo finfo;
 fb_var_screeninfo vinfo;
@@ -422,9 +410,8 @@ qt_config_compile_test(opengles3
 #endif
 
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 static GLfloat f[6];
 glGetStringi(GL_EXTENSIONS, 0);
@@ -445,9 +432,8 @@ qt_config_compile_test(opengles31
 "
 #include <GLES3/gl31.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 glDispatchCompute(1, 1, 1);
 glProgramUniform1i(0, 0, 0);
@@ -465,9 +451,8 @@ qt_config_compile_test(opengles32
 "
 #include <GLES3/gl32.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 glFramebufferTexture(GL_TEXTURE_2D, GL_DEPTH_STENCIL_ATTACHMENT, 1, 0);
     /* END TEST: */
@@ -507,9 +492,8 @@ qt_config_compile_test(xcb_syslibs
 #include <xcb/xcb_renderutil.h>
 #include <xcb/xkb.h>
 #undef explicit
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 int primaryScreen = 0;
 xcb_connection_t *c = xcb_connect(\"\", &primaryScreen);
diff --git a/src/network/.prev_configure.cmake b/src/network/.prev_configure.cmake
index 11eecba133..05afbd728c 100644
--- a/src/network/.prev_configure.cmake
+++ b/src/network/.prev_configure.cmake
@@ -23,9 +23,8 @@ qt_config_compile_test(openssl_headers
 #if !defined(OPENSSL_NO_EC) && !defined(SSL_CTRL_SET_CURVES)
 #  error OpenSSL was reported as >= 1.1.1 but is missing required features, possibly it is libressl which is unsupported
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -48,9 +47,8 @@ qt_config_compile_test(openssl
 #if !defined(OPENSSL_NO_EC) && !defined(SSL_CTRL_SET_CURVES)
 #  error OpenSSL was reported as >= 1.1.1 but is missing required features, possibly it is libressl which is unsupported
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 SSL_free(SSL_new(0));
     /* END TEST: */
@@ -73,9 +71,8 @@ qt_config_compile_test(getifaddrs
 #include <net/if.h>
 #include <ifaddrs.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 ifaddrs *list;
 getifaddrs(&list);
@@ -95,9 +92,8 @@ qt_config_compile_test(ipv6ifname
 #include <sys/socket.h>
 #include <net/if.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 char buf[IFNAMSIZ];
 if_nametoindex(\"eth0\");
@@ -119,9 +115,8 @@ qt_config_compile_test(linux_netlink
 #include <linux/rtnetlink.h>
 #include <sys/socket.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 struct rtattr rta = { };
 struct ifinfomsg ifi = {};
@@ -147,9 +142,8 @@ qt_config_compile_test(sctp
 #include <netinet/in.h>
 #include <netinet/sctp.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 sctp_initmsg sctpInitMsg;
 socklen_t sctpInitMsgSize = sizeof(sctpInitMsg);
@@ -172,9 +166,8 @@ qt_config_compile_test(dtls
 #if defined(OPENSSL_NO_DTLS) || !defined(DTLS1_2_VERSION)
 #  error OpenSSL without DTLS support
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -194,9 +187,8 @@ qt_config_compile_test(ocsp
 #if defined(OPENSSL_NO_OCSP) || defined(OPENSSL_NO_TLSEXT)
 #  error OpenSSL without OCSP stapling
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -212,9 +204,8 @@ qt_config_compile_test(networklistmanager
 #include <netlistmgr.h>
 #include <wrl/client.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 using namespace Microsoft::WRL;
 ComPtr<INetworkListManager> networkListManager;
diff --git a/src/network/configure.cmake b/src/network/configure.cmake
index e89daaa8c4..a31faa1f8a 100644
--- a/src/network/configure.cmake
+++ b/src/network/configure.cmake
@@ -23,9 +23,8 @@ qt_config_compile_test(openssl_headers
 #if !defined(OPENSSL_NO_EC) && !defined(SSL_CTRL_SET_CURVES)
 #  error OpenSSL was reported as >= 1.1.1 but is missing required features, possibly it is libressl which is unsupported
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -48,9 +47,8 @@ qt_config_compile_test(openssl
 #if !defined(OPENSSL_NO_EC) && !defined(SSL_CTRL_SET_CURVES)
 #  error OpenSSL was reported as >= 1.1.1 but is missing required features, possibly it is libressl which is unsupported
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 SSL_free(SSL_new(0));
     /* END TEST: */
@@ -73,9 +71,8 @@ qt_config_compile_test(getifaddrs
 #include <net/if.h>
 #include <ifaddrs.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 ifaddrs *list;
 getifaddrs(&list);
@@ -95,9 +92,8 @@ qt_config_compile_test(ipv6ifname
 #include <sys/socket.h>
 #include <net/if.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 char buf[IFNAMSIZ];
 if_nametoindex(\"eth0\");
@@ -119,9 +115,8 @@ qt_config_compile_test(linux_netlink
 #include <linux/rtnetlink.h>
 #include <sys/socket.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 struct rtattr rta = { };
 struct ifinfomsg ifi = {};
@@ -147,9 +142,8 @@ qt_config_compile_test(sctp
 #include <netinet/in.h>
 #include <netinet/sctp.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 sctp_initmsg sctpInitMsg;
 socklen_t sctpInitMsgSize = sizeof(sctpInitMsg);
@@ -172,9 +166,8 @@ qt_config_compile_test(dtls
 #if defined(OPENSSL_NO_DTLS) || !defined(DTLS1_2_VERSION)
 #  error OpenSSL without DTLS support
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -194,9 +187,8 @@ qt_config_compile_test(ocsp
 #if defined(OPENSSL_NO_OCSP) || defined(OPENSSL_NO_TLSEXT)
 #  error OpenSSL without OCSP stapling
 #endif
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 
     /* END TEST: */
@@ -212,9 +204,8 @@ qt_config_compile_test(networklistmanager
 #include <netlistmgr.h>
 #include <wrl/client.h>
 
-int main(int argc, char **argv)
+int main(void)
 {
-    (void)argc; (void)argv;
     /* BEGIN TEST: */
 using namespace Microsoft::WRL;
 ComPtr<INetworkListManager> networkListManager;
diff --git a/util/cmake/configurejson2cmake.py b/util/cmake/configurejson2cmake.py
index 160557e18d..13ccfa85f6 100755
--- a/util/cmake/configurejson2cmake.py
+++ b/util/cmake/configurejson2cmake.py
@@ -655,9 +655,8 @@ def write_compile_test(
 
     sourceCode += tail + "\n"
 
-    sourceCode += "int main(int argc, char **argv)\n"
+    sourceCode += "int main(void)\n"
     sourceCode += "{\n"
-    sourceCode += "    (void)argc; (void)argv;\n"
     sourceCode += "    /* BEGIN TEST: */\n"
 
     def resolve_main(detail):