diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 68c593a11b..394be9e82d 100644 --- a/configure.in +++ b/configure.in @@ -548,6 +548,23 @@ if test "$tor_cv_time_t_signed" != no; then [Define to 1 iff time_t is signed]) fi +AC_CACHE_CHECK([whether size_t is signed], tor_cv_size_t_signed, [ +AC_RUN_IFELSE(AC_LANG_SOURCE([ +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +int main(int c, char**v) { if (((size_t)-1)<0) return 1; else return 0; }]), + tor_cv_size_t_signed=no, tor_cv_size_t_signed=yes, tor_cv_size_t_signed=cross) +]) + +if test "$tor_cv_size_t_signed" = cross; then + AC_MSG_NOTICE([Cross compiling: assuming that size_t is not signed.]) +fi + +if test "$tor_cv_size_t_signed" = yes; then + AC_MSG_ERROR([You have a signed size_t; that's grossly nonconformant.]) +fi + AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT() #ifdef HAVE_SYS_SOCKET_H #include <sys/socket.h> |