diff options
| -rw-r--r-- | configure.ac | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/configure.ac b/configure.ac index ba50fab0be..28ec44607b 100644 --- a/configure.ac +++ b/configure.ac @@ -1863,7 +1863,7 @@ AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero, #ifdef HAVE_STDDEF_H #include <stddef.h> #endif -int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2)); +int main (void) { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2)); return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])], [tor_cv_null_is_zero=yes], [tor_cv_null_is_zero=no], @@ -1887,7 +1887,7 @@ AC_CACHE_CHECK([whether memset(0) sets doubles to 0.0], tor_cv_dbl0_is_zero, #ifdef HAVE_STDDEF_H #include <stddef.h> #endif -int main () { double d1,d2; d1=0; memset(&d2,0,sizeof(d2)); +int main (void) { double d1,d2; d1=0; memset(&d2,0,sizeof(d2)); return memcmp(&d1,&d2,sizeof(d1))?1:0; }]])], [tor_cv_dbl0_is_zero=yes], [tor_cv_dbl0_is_zero=no], @@ -1912,7 +1912,7 @@ AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works, #ifdef HAVE_STDDEF_H #include <stddef.h> #endif -int main () { return malloc(0)?0:1; }]])], +int main (void) { return malloc(0)?0:1; }]])], [tor_cv_malloc_zero_works=yes], [tor_cv_malloc_zero_works=no], [tor_cv_malloc_zero_works=cross])]) @@ -1930,7 +1930,7 @@ fi # whether we seem to be in a 2s-complement world. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement, [AC_RUN_IFELSE([AC_LANG_SOURCE( -[[int main () { int problem = ((-99) != (~99)+1); +[[int main (void) { int problem = ((-99) != (~99)+1); return problem ? 1 : 0; }]])], [tor_cv_twos_complement=yes], [tor_cv_twos_complement=no], @@ -1950,7 +1950,7 @@ fi # What does shifting a negative value do? AC_CACHE_CHECK([whether right-shift on negative values does sign-extension], tor_cv_sign_extend, [AC_RUN_IFELSE([AC_LANG_SOURCE( -[[int main () { int okay = (-60 >> 8) == -1; return okay ? 0 : 1; }]])], +[[int main (void) { int okay = (-60 >> 8) == -1; return okay ? 0 : 1; }]])], [tor_cv_sign_extend=yes], [tor_cv_sign_extend=no], [tor_cv_sign_extend=cross])]) |