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Diffstat (limited to 'm4/stdint_h.m4')
| -rw-r--r-- | m4/stdint_h.m4 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/m4/stdint_h.m4 b/m4/stdint_h.m4 new file mode 100644 index 0000000..db9a8ac --- /dev/null +++ b/m4/stdint_h.m4 @@ -0,0 +1,26 @@ +# stdint_h.m4 serial 6 +dnl Copyright (C) 1997-2004, 2006 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert. + +# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists, +# doesn't clash with <sys/types.h>, and declares uintmax_t. + +AC_DEFUN([gl_AC_HEADER_STDINT_H], +[ + AC_CACHE_CHECK([for stdint.h], gl_cv_header_stdint_h, + [AC_TRY_COMPILE( + [#include <sys/types.h> +#include <stdint.h>], + [uintmax_t i = (uintmax_t) -1; return !i;], + gl_cv_header_stdint_h=yes, + gl_cv_header_stdint_h=no)]) + if test $gl_cv_header_stdint_h = yes; then + AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1, + [Define if <stdint.h> exists, doesn't clash with <sys/types.h>, + and declares uintmax_t. ]) + fi +]) |