2021-04-17 06:14:21 -04:00
|
|
|
dnl -*- Autoconf -*-
|
2018-01-20 02:05:25 -05:00
|
|
|
dnl RUBY_DEFINT TYPENAME, SIZE, [UNSIGNED], [INCLUDES = DEFAULT-INCLUDES]
|
|
|
|
|
AC_DEFUN([RUBY_DEFINT], [dnl
|
|
|
|
|
AS_VAR_PUSHDEF([cond], [rb_defint_cond])dnl
|
|
|
|
|
AS_VAR_PUSHDEF([type], [rb_defint_type])dnl
|
|
|
|
|
AC_CACHE_CHECK([for $1], [rb_cv_type_$1],
|
|
|
|
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT([$4])
|
|
|
|
|
typedef $1 t; int s = sizeof(t) == 42;])],
|
|
|
|
|
[rb_cv_type_$1=yes],
|
|
|
|
|
[AS_CASE([m4_bmatch([$2], [^[1-9][0-9]*$], $2, [$ac_cv_sizeof_]AS_TR_SH($2))],
|
|
|
|
|
["1"], [ rb_cv_type_$1="m4_if([$3], [], [signed ], [$3 ])char"],
|
|
|
|
|
["$ac_cv_sizeof_short"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])short"],
|
|
|
|
|
["$ac_cv_sizeof_int"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])int"],
|
|
|
|
|
["$ac_cv_sizeof_long"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long"],
|
|
|
|
|
["$ac_cv_sizeof_long_long"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long long"],
|
|
|
|
|
["${ac_cv_sizeof___int64@%:@*:}"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])__int64"],
|
|
|
|
|
["${ac_cv_sizeof___int128@%:@*:}"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])__int128"],
|
|
|
|
|
[ rb_cv_type_$1=no])])])
|
|
|
|
|
AS_IF([test "${rb_cv_type_$1}" != no], [
|
|
|
|
|
type="${rb_cv_type_$1@%:@@%:@unsigned }"
|
|
|
|
|
AS_IF([test "$type" != yes && eval 'test -n "${ac_cv_sizeof_'$type'+set}"'], [
|
|
|
|
|
eval cond='"${ac_cv_sizeof_'$type'}"'
|
|
|
|
|
AS_CASE([$cond], [*:*], [
|
|
|
|
|
cond=AS_TR_CPP($type)
|
|
|
|
|
echo "@%:@if defined SIZEOF_"$cond" && SIZEOF_"$cond" > 0" >> confdefs.h
|
|
|
|
|
], [cond=])
|
|
|
|
|
], [cond=])
|
|
|
|
|
AC_DEFINE([HAVE_]AS_TR_CPP($1), 1)
|
|
|
|
|
AS_IF([test "${rb_cv_type_$1}" = yes], [
|
|
|
|
|
m4_bmatch([$2], [^[1-9][0-9]*$], [AC_CHECK_SIZEOF([$1], 0, [AC_INCLUDES_DEFAULT([$4])])],
|
|
|
|
|
[RUBY_CHECK_SIZEOF([$1], [$2], [], [AC_INCLUDES_DEFAULT([$4])])])
|
|
|
|
|
], [
|
|
|
|
|
AC_DEFINE_UNQUOTED($1, [$rb_cv_type_$1])
|
|
|
|
|
AC_DEFINE_UNQUOTED([SIZEOF_]AS_TR_CPP($1), [SIZEOF_]AS_TR_CPP([$type]))
|
|
|
|
|
])
|
|
|
|
|
test -n "$cond" && echo "@%:@endif /* $cond */" >> confdefs.h
|
|
|
|
|
])
|
|
|
|
|
AS_VAR_POPDEF([cond])dnl
|
|
|
|
|
AS_VAR_POPDEF([type])dnl
|
|
|
|
|
])dnl
|
