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synced 2022-11-09 12:17:21 -05:00
40 lines
1.9 KiB
Text
40 lines
1.9 KiB
Text
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dnl RUBY_DEFINT TYPENAME, SIZE, [UNSIGNED], [INCLUDES = DEFAULT-INCLUDES]
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AC_DEFUN([RUBY_DEFINT], [dnl
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AS_VAR_PUSHDEF([cond], [rb_defint_cond])dnl
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AS_VAR_PUSHDEF([type], [rb_defint_type])dnl
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AC_CACHE_CHECK([for $1], [rb_cv_type_$1],
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT([$4])
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typedef $1 t; int s = sizeof(t) == 42;])],
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[rb_cv_type_$1=yes],
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[AS_CASE([m4_bmatch([$2], [^[1-9][0-9]*$], $2, [$ac_cv_sizeof_]AS_TR_SH($2))],
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["1"], [ rb_cv_type_$1="m4_if([$3], [], [signed ], [$3 ])char"],
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["$ac_cv_sizeof_short"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])short"],
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["$ac_cv_sizeof_int"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])int"],
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["$ac_cv_sizeof_long"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long"],
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["$ac_cv_sizeof_long_long"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long long"],
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["${ac_cv_sizeof___int64@%:@*:}"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])__int64"],
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["${ac_cv_sizeof___int128@%:@*:}"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])__int128"],
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[ rb_cv_type_$1=no])])])
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AS_IF([test "${rb_cv_type_$1}" != no], [
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type="${rb_cv_type_$1@%:@@%:@unsigned }"
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AS_IF([test "$type" != yes && eval 'test -n "${ac_cv_sizeof_'$type'+set}"'], [
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eval cond='"${ac_cv_sizeof_'$type'}"'
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AS_CASE([$cond], [*:*], [
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cond=AS_TR_CPP($type)
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echo "@%:@if defined SIZEOF_"$cond" && SIZEOF_"$cond" > 0" >> confdefs.h
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], [cond=])
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], [cond=])
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AC_DEFINE([HAVE_]AS_TR_CPP($1), 1)
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AS_IF([test "${rb_cv_type_$1}" = yes], [
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m4_bmatch([$2], [^[1-9][0-9]*$], [AC_CHECK_SIZEOF([$1], 0, [AC_INCLUDES_DEFAULT([$4])])],
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[RUBY_CHECK_SIZEOF([$1], [$2], [], [AC_INCLUDES_DEFAULT([$4])])])
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], [
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AC_DEFINE_UNQUOTED($1, [$rb_cv_type_$1])
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AC_DEFINE_UNQUOTED([SIZEOF_]AS_TR_CPP($1), [SIZEOF_]AS_TR_CPP([$type]))
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])
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test -n "$cond" && echo "@%:@endif /* $cond */" >> confdefs.h
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])
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AS_VAR_POPDEF([cond])dnl
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AS_VAR_POPDEF([type])dnl
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])dnl
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