Commit 351690f6 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont

Provide static_assert() replacement

parent 2b268061
......@@ -511,6 +511,20 @@ AC_LINK_IFELSE([
c = NULL;
])],[AC_DEFINE([HAVE_VASPRINTF],[1],[Define to 1 if you have asprintf function])],[AC_LIBOBJ([vasprintf])])
dnl C11 static_assert()
AC_MSG_CHECKING([for static_assert in assert.h])
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
#include <assert.h>
#ifndef static_assert
# error BOOM!
#endif
])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_STATIC_ASSERT], [1], [Define to 1 if <assert.h> defines static_assert.])
], [
AC_MSG_RESULT([no])
])
# Windows CE does not have strcoll()
AC_FUNC_STRCOLL
......
......@@ -229,6 +229,11 @@ static inline locale_t newlocale(int mask, const char * locale, locale_t base)
}
#endif
#if !defined (HAVE_STATIC_ASSERT)
# define _Static_assert(x, s) ((void) sizeof (struct { unsigned:-!(x); }))
# define static_assert _Static_assert
#endif
/* Alignment of critical static data structures */
#ifdef ATTRIBUTE_ALIGNED_MAX
# define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
......
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