From: Paul Eggert Date: Sat, 18 Aug 2001 15:59:02 +0000 (+0000) Subject: Initial revision X-Git-Url: https://git.brokenzipper.com/gitweb?a=commitdiff_plain;h=f8bb2bcc73b71054fe76535378a2d1c5fa9d47d6;p=chaz%2Ftar Initial revision --- diff --git a/m4/inttypes.m4 b/m4/inttypes.m4 new file mode 100644 index 0000000..536c31f --- /dev/null +++ b/m4/inttypes.m4 @@ -0,0 +1,56 @@ +#serial 6 + +dnl From Paul Eggert. + +AC_PREREQ(2.13) + +# Define HAVE_INTTYPES_H if exists, +# doesn't clash with , and declares intmax_t and 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 +#include ], + [intmax_t i = (intmax_t) -1; uintmax_t ui = (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 exists, doesn't clash with , + and declares intmax_t and uintmax_t.]) + fi +]) + +# Define intmax_t to long or long long if doesn't define. + +AC_DEFUN([jm_AC_TYPE_INTMAX_T], +[ + AC_REQUIRE([jm_AC_HEADER_INTTYPES_H]) + if test $jm_ac_cv_header_inttypes_h = no; then + AC_REQUIRE([jm_AC_TYPE_LONG_LONG]) + test $ac_cv_type_long_long = yes \ + && ac_type='long long' \ + || ac_type='long' + AC_DEFINE_UNQUOTED(intmax_t, $ac_type, + [Define to long or long long if doesn't define.]) + fi +]) + +# Define uintmax_t to unsigned long or unsigned long long +# if doesn't define. + +AC_DEFUN([jm_AC_TYPE_UINTMAX_T], +[ + AC_REQUIRE([jm_AC_HEADER_INTTYPES_H]) + if test $jm_ac_cv_header_inttypes_h = no; then + AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG]) + test $ac_cv_type_unsigned_long_long = yes \ + && ac_type='unsigned long long' \ + || ac_type='unsigned long' + AC_DEFINE_UNQUOTED(uintmax_t, $ac_type, +[Define to unsigned long or unsigned long long + if doesn't define.]) + fi +])