[acinclude.m4] Replaced "main()" by "main (void)".

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/branches/3.1@9418 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 6 insertions, 6 deletions

diff --git a/acinclude.m4 b/acinclude.m4
index 7baf16d6c..c01028510 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -170,7 +170,7 @@ if test -n "$GCC"; then
 #include <fenv.h>
 #endif
 static double get_max (void);
-int main() {
+int main (void) {
   double x = 0.5;
   double y;
   int i;
@@ -204,7 +204,7 @@ dnl Check if subnormal (denormalized) numbers are supported
 AC_CACHE_CHECK([for subnormal numbers], mpfr_cv_have_denorms, [
 AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <stdio.h>
-int main() {
+int main (void) {
   double x = 2.22507385850720138309e-308;
   fprintf (stderr, "%e\n", x / 2.0);
   return 2.0 * (x / 2.0) != x;
@@ -222,7 +222,7 @@ dnl Check if signed zeros are supported. Note: the test will fail
 dnl if the division by 0 generates a trap.
 AC_CACHE_CHECK([for signed zeros], mpfr_cv_have_signedz, [
 AC_RUN_IFELSE([AC_LANG_SOURCE([[
-int main() {
+int main (void) {
   return 1.0 / 0.0 == 1.0 / -0.0;
 }
 ]])],
@@ -241,7 +241,7 @@ dnl For the developers: to check whether all these tests are disabled,
 dnl configure MPFR with "-DMPFR_TEST_DIVBYZERO=1 -DMPFR_ERRDIVZERO=1".
 AC_CACHE_CHECK([if the FP division by 0 fails], mpfr_cv_errdivzero, [
 AC_RUN_IFELSE([AC_LANG_SOURCE([[
-int main() {
+int main (void) {
   volatile double d = 0.0, x;
   x = 0.0 / d;
   x = 1.0 / d;
@@ -269,7 +269,7 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #ifndef NAN
 # define NAN (0.0/0.0)
 #endif
-int main() {
+int main (void) {
   double d;
   d = NAN;
   return d != d;
@@ -414,7 +414,7 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #define MPFR_USE_THREAD_SAFE 1
 #include "mpfr-thread.h"
 MPFR_THREAD_ATTR int x = 17;
-int main() {
+int main (void) {
   return x != 17;
 }
   ]])],