Commit 81d69f4c authored by Nick Mathewson's avatar Nick Mathewson 🏃
Browse files

Detect signed size_t and report an error at configure time.

parent e365aee9
o Minor bugfixes
- Detect broken platforms with a signed size_t, and refuse to
build there. Found and analyzed by doorss and rransom.
......@@ -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>
......
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