diff options
Diffstat (limited to 'm4/inttypes_h.m4')
| -rw-r--r-- | m4/inttypes_h.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/inttypes_h.m4 b/m4/inttypes_h.m4 new file mode 100644 index 00000000..750639d6 --- /dev/null +++ b/m4/inttypes_h.m4 @@ -0,0 +1,22 @@ +#serial 3 + +dnl From Paul Eggert. + +# Define HAVE_INTTYPES_H if <inttypes.h> exists, +# doesn't clash with <sys/types.h>, and declares uintmax_t. + +AC_DEFUN(jm_AC_HEADER_INTTYPES_H, +[ + AC_CACHE_CHECK([for inttypes.h], jm_ac_cv_header_inttypes_h, + [AC_TRY_COMPILE( + [#include <sys/types.h> +#include <inttypes.h>], + [uintmax_t i = (uintmax_t) -1;], + jm_ac_cv_header_inttypes_h=yes, + jm_ac_cv_header_inttypes_h=no)]) + if test $jm_ac_cv_header_inttypes_h = yes; then + AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H, 1, +[Define if <inttypes.h> exists, doesn't clash with <sys/types.h>, + and declares uintmax_t. ]) + fi +]) |