[3.11] gh-99086: Fix -Wstrict-prototypes, -Wimplicit-function-declaration warnings in configure.ac (GH-99406)backport-e35ca41-3.11

Follow up to 12078e78f6e4a21f344e4eaff529e1ff3b97734f.
(cherry picked from commit e35ca417fe81a64985c2b29e863ce418ae75b96e)

Co-authored-by: Sam James <sam@gentoo.org>

1 files changed, 28 insertions, 24 deletions

diff --git a/configure b/configure
index cb8eb0d3fb2..9567ac3a62c 100755
--- a/configure
+++ b/configure
@@ -6681,7 +6681,7 @@ if test "x$enable_profiling" = xyes; then
   CC="$CC -pg"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-int main() { return 0; }
+int main(void) { return 0; }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
 
@@ -8925,7 +8925,7 @@ else
 
 void* routine(void* p){return NULL;}
 
-int main(){
+int main(void){
   pthread_t p;
   if(pthread_create(&p,NULL,routine,NULL)!=0)
     return 1;
@@ -8980,7 +8980,7 @@ else
 
 void* routine(void* p){return NULL;}
 
-int main(){
+int main(void){
   pthread_t p;
   if(pthread_create(&p,NULL,routine,NULL)!=0)
     return 1;
@@ -9029,7 +9029,7 @@ else
 
 void* routine(void* p){return NULL;}
 
-int main(){
+int main(void){
   pthread_t p;
   if(pthread_create(&p,NULL,routine,NULL)!=0)
     return 1;
@@ -9078,7 +9078,7 @@ else
 
 void* routine(void* p){return NULL;}
 
-int main(){
+int main(void){
   pthread_t p;
   if(pthread_create(&p,NULL,routine,NULL)!=0)
     return 1;
@@ -11834,7 +11834,7 @@ else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-int main()
+int main(void)
 {
     char s[16];
     int i, *p1, *p2;
@@ -14144,6 +14144,7 @@ $as_echo_n "checking for pthread_create in -lpthread... " >&6; }
 /* end confdefs.h.  */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <pthread.h>
 
 void * start_routine (void *arg) { exit (0); }
@@ -14454,7 +14455,7 @@ else
       void *foo(void *parm) {
         return NULL;
       }
-      int main() {
+      int main(void) {
         pthread_attr_t attr;
         pthread_t id;
         if (pthread_attr_init(&attr)) return (-1);
@@ -16058,7 +16059,7 @@ else
 
 #include <sys/stat.h>
 #include <unistd.h>
-int main(int argc, char*argv[])
+int main(int argc, char *argv[])
 {
   if(chflags(argv[0], 0) != 0)
     return 1;
@@ -16107,7 +16108,7 @@ else
 
 #include <sys/stat.h>
 #include <unistd.h>
-int main(int argc, char*argv[])
+int main(int argc, char *argv[])
 {
   if(lchflags(argv[0], 0) != 0)
     return 1;
@@ -18801,7 +18802,7 @@ else
 #include <sys/socket.h>
 #include <netinet/in.h>
 
-int main()
+int main(void)
 {
   int passive, gaierr, inet4 = 0, inet6 = 0;
   struct addrinfo hints, *ai, *aitop;
@@ -20044,7 +20045,7 @@ else
 
 #include <stdlib.h>
 #include <math.h>
-int main() {
+int main(void) {
     volatile double x, y, z;
     /* 1./(1-2**-53) -> 1+2**-52 (correct), 1.0 (double rounding) */
     x = 0.99999999999999989; /* 1-2**-53 */
@@ -20823,7 +20824,7 @@ else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
-int main()
+int main(void)
 {
 	return (((-1)>>3 == -1) ? 0 : 1);
 }
@@ -21269,7 +21270,7 @@ else
 
 #include <stdlib.h>
 #include <unistd.h>
-int main()
+int main(void)
 {
 	int val1 = nice(1);
 	if (val1 != -1 && val1 == nice(2))
@@ -21311,7 +21312,7 @@ else
 #include <poll.h>
 #include <unistd.h>
 
-int main()
+int main(void)
 {
     struct pollfd poll_struct = { 42, POLLIN|POLLPRI|POLLOUT, 0 };
     int poll_test;
@@ -21368,7 +21369,7 @@ else
 extern char *tzname[];
 #endif
 
-int main()
+int main(void)
 {
 	/* Note that we need to ensure that not only does tzset(3)
 	   do 'something' with localtime, but it works as documented
@@ -22248,9 +22249,10 @@ else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+#include <stddef.h>
 #include <stdio.h>
-#include<stdlib.h>
-int main() {
+#include <stdlib.h>
+int main(void) {
     size_t len = -1;
     const char *str = "text";
     len = mbstowcs(NULL, str, 0);
@@ -22449,7 +22451,7 @@ else
 #include <stdlib.h>
 #include <string.h>
 void foo(void *p, void *q) { memmove(p, q, 19); }
-int main() {
+int main(void) {
   char a[32] = "123456789000000000";
   foo(&a[9], a);
   if (strcmp(a, "123456789123456789000000000") != 0)
@@ -22504,7 +22506,7 @@ else
               );
               return r;
             }
-            int main() {
+            int main(void) {
               int p = 8;
               if ((foo(&p) ? : p) != 6)
                 return 1;
@@ -22547,7 +22549,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
     #include <stdatomic.h>
     atomic_int int_var;
     atomic_uintptr_t uintptr_var;
-    int main() {
+    int main(void) {
       atomic_store_explicit(&int_var, 5, memory_order_relaxed);
       atomic_store_explicit(&uintptr_var, 0, memory_order_relaxed);
       int loaded_value = atomic_load_explicit(&int_var, memory_order_seq_cst);
@@ -22588,7 +22590,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 
 
     int val;
-    int main() {
+    int main(void) {
       __atomic_store_n(&val, 1, __ATOMIC_SEQ_CST);
       (void)__atomic_load_n(&val, __ATOMIC_SEQ_CST);
       return 0;
@@ -22664,7 +22666,7 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 
     #include <dirent.h>
 
-    int main() {
+    int main(void) {
       struct dirent entry;
       return entry.d_type == DT_UNKNOWN;
     }
@@ -22702,11 +22704,12 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 
+    #include <stddef.h>
     #include <unistd.h>
     #include <sys/syscall.h>
     #include <linux/random.h>
 
-    int main() {
+    int main(void) {
         char buffer[1];
         const size_t buflen = sizeof(buffer);
         const int flags = GRND_NONBLOCK;
@@ -22749,9 +22752,10 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 
+    #include <stddef.h>
     #include <sys/random.h>
 
-    int main() {
+    int main(void) {
         char buffer[1];
         const size_t buflen = sizeof(buffer);
         const int flags = 0;