diff options
Diffstat (limited to 'contrib/site-conf/m4/gnu.m4')
| -rw-r--r-- | contrib/site-conf/m4/gnu.m4 | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/contrib/site-conf/m4/gnu.m4 b/contrib/site-conf/m4/gnu.m4 new file mode 100644 index 0000000000..1f9331e2ef --- /dev/null +++ b/contrib/site-conf/m4/gnu.m4 @@ -0,0 +1,35 @@ +# Collection of binutils, gcc, glibc + + +AC_DEFUN([BINUTILS_CHECK_UINT64], +[AC_TRY_COMPILE( +[#ifdef HAVE_STDINT_H +#include <stdint.h> +#endif], +[extern uint64_t foo;], +liberty_cv_uint64=uint64_t, +[AC_TRY_COMPILE( +[#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif +#ifndef CHAR_BIT +#define CHAR_BIT 8 +#endif], +[extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];], +liberty_cv_uint64="unsigned long", +[AC_TRY_COMPILE( +[#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif +#ifndef CHAR_BIT +#define CHAR_BIT 8 +#endif], +[extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];], +liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])]) + +AC_DEFUN([OE_CHECK_GNU], +[ +AC_CHECK_SIZEOF([int]) +AC_CHECK_TYPE(uintptr_t, unsigned long) +BINUTILS_CHECK_UINT64 +]) |