diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/configure.ac b/configure.ac index 948fd36aa80..90008bcae17 100644 --- a/configure.ac +++ b/configure.ac @@ -1435,7 +1435,7 @@ AC_ARG_ENABLE(profiling, if test "x$enable_profiling" = xyes; then ac_save_cc="$CC" CC="$CC -pg" - AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], + AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void) { return 0; }]])], [], [enable_profiling=no]) CC="$ac_save_cc" @@ -2511,7 +2511,7 @@ AC_CACHE_CHECK([whether pthreads are available without options], void* routine(void* p){return NULL;} -int main(){ +int main(void){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; @@ -2544,7 +2544,7 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[ void* routine(void* p){return NULL;} -int main(){ +int main(void){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; @@ -2571,7 +2571,7 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[ void* routine(void* p){return NULL;} -int main(){ +int main(void){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; @@ -2598,7 +2598,7 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[ void* routine(void* p){return NULL;} -int main(){ +int main(void){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; @@ -3489,7 +3489,7 @@ esac # check for systems that require aligned memory access AC_CACHE_CHECK([aligned memory access is required], [ac_cv_aligned_required], [AC_RUN_IFELSE([AC_LANG_SOURCE([[ -int main() +int main(void) { char s[16]; int i, *p1, *p2; @@ -4103,6 +4103,7 @@ yes AC_MSG_CHECKING([for pthread_create in -lpthread]) AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> +#include <stdlib.h> #include <pthread.h> void * start_routine (void *arg) { exit (0); }]], [[ @@ -4172,7 +4173,7 @@ if test "$posix_threads" = "yes"; then void *foo(void *parm) { return NULL; } - int main() { + int main(void) { pthread_attr_t attr; pthread_t id; if (pthread_attr_init(&attr)) return (-1); @@ -4729,7 +4730,7 @@ AC_CACHE_CHECK([for chflags], [ac_cv_have_chflags], [dnl AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <sys/stat.h> #include <unistd.h> -int main(int argc, char*argv[]) +int main(int argc, char *argv[]) { if(chflags(argv[0], 0) != 0) return 1; @@ -4751,7 +4752,7 @@ AC_CACHE_CHECK([for lchflags], [ac_cv_have_lchflags], [dnl AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <sys/stat.h> #include <unistd.h> -int main(int argc, char*argv[]) +int main(int argc, char *argv[]) { if(lchflags(argv[0], 0) != 0) return 1; @@ -5024,7 +5025,7 @@ AS_VAR_IF([ac_cv_func_getaddrinfo], [yes], [ #include <sys/socket.h> #include <netinet/in.h> -int main() +int main(void) { int passive, gaierr, inet4 = 0, inet6 = 0; struct addrinfo hints, *ai, *aitop; @@ -5461,7 +5462,7 @@ CC="$CC $BASECFLAGS" AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <stdlib.h> #include <math.h> -int main() { +int main(void) { volatile double x, y, z; /* 1./(1-2**-53) -> 1+2**-52 (correct), 1.0 (double rounding) */ x = 0.99999999999999989; /* 1-2**-53 */ @@ -5768,7 +5769,7 @@ fi], # or fills with zeros (like the Cray J90, according to Tim Peters). AC_CACHE_CHECK([whether right shift extends the sign bit], [ac_cv_rshift_extends_sign], [ AC_RUN_IFELSE([AC_LANG_SOURCE([[ -int main() +int main(void) { return (((-1)>>3 == -1) ? 0 : 1); } @@ -5923,7 +5924,7 @@ AC_CACHE_CHECK([for broken nice()], [ac_cv_broken_nice], [ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <stdlib.h> #include <unistd.h> -int main() +int main(void) { int val1 = nice(1); if (val1 != -1 && val1 == nice(2)) @@ -5945,7 +5946,7 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <poll.h> #include <unistd.h> -int main() +int main(void) { struct pollfd poll_struct = { 42, POLLIN|POLLPRI|POLLOUT, 0 }; int poll_test; @@ -5981,7 +5982,7 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[ extern char *tzname[]; #endif -int main() +int main(void) { /* Note that we need to ensure that not only does tzset(3) do 'something' with localtime, but it works as documented @@ -6254,9 +6255,10 @@ AC_CHECK_TYPE(socklen_t,, AC_CACHE_CHECK([for broken mbstowcs], [ac_cv_broken_mbstowcs], AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <stddef.h> #include <stdio.h> -#include<stdlib.h> -int main() { +#include <stdlib.h> +int main(void) { size_t len = -1; const char *str = "text"; len = mbstowcs(NULL, str, 0); @@ -6382,7 +6384,7 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <stdlib.h> #include <string.h> void foo(void *p, void *q) { memmove(p, q, 19); } -int main() { +int main(void) { char a[32] = "123456789000000000"; foo(&a[9], a); if (strcmp(a, "123456789123456789000000000") != 0) @@ -6423,7 +6425,7 @@ if test "$ac_cv_gcc_asm_for_x87" = yes; then ); return r; } - int main() { + int main(void) { int p = 8; if ((foo(&p) ? : p) != 6) return 1; @@ -6451,7 +6453,7 @@ AC_LINK_IFELSE( #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); @@ -6472,7 +6474,7 @@ AC_LINK_IFELSE( [ AC_LANG_SOURCE([[ 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; @@ -6513,7 +6515,7 @@ AC_LINK_IFELSE( AC_LANG_SOURCE([[ #include <dirent.h> - int main() { + int main(void) { struct dirent entry; return entry.d_type == DT_UNKNOWN; } @@ -6531,11 +6533,12 @@ AC_CACHE_CHECK([for the Linux getrandom() syscall], [ac_cv_getrandom_syscall], [ AC_LINK_IFELSE( [ AC_LANG_SOURCE([[ + #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; @@ -6558,9 +6561,10 @@ AC_CACHE_CHECK([for the getrandom() function], [ac_cv_func_getrandom], [ AC_LINK_IFELSE( [ AC_LANG_SOURCE([[ + #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; |