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RUBY_REPLACE_TYPE: check if the target type is a pointer

This commit is contained in:
Nobuyoshi Nakada 2022-02-18 17:58:24 +09:00
parent dfa17f46a8
commit 2ae35ad766
Notes: git 2022-02-19 15:33:36 +09:00 
Merged: https://github.com/ruby/ruby/pull/5574
1 changed files with 11 additions and 1 deletions
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12
tool/m4/ruby_replace_type.m4
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@ -6,6 +6,13 @@ AC_DEFUN([RUBY_REPLACE_TYPE], [dnl
[n="patsubst([$2],["],[\\"])"],
[$4])
AC_CACHE_CHECK([for convertible type of [$1]], rb_cv_[$1]_convertible, [
AC_COMPILE_IFELSE(
[AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT([$4])]
[typedef $n rbcv_conftest_target_type;
extern rbcv_conftest_target_type rbcv_conftest_var;
], [sizeof(&*rbcv_conftest_var)])],
[rb_cv_[$1]_convertible=PTR],
[
u= t=
AS_CASE(["$n "],
[*" signed "*], [ ],
@ -37,6 +44,7 @@ AC_DEFUN([RUBY_REPLACE_TYPE], [dnl
[
t=INT])
rb_cv_[$1]_convertible=${u}${t}])
])
AS_IF([test "${AS_TR_SH(ac_cv_type_[$1])}" = "yes"], [
n="$1"
], [
@ -48,11 +56,13 @@ AC_DEFUN([RUBY_REPLACE_TYPE], [dnl
AS_CASE(["${rb_cv_[$1]_convertible}"],
[U*], [n="unsigned $n"])
])
AS_CASE("${rb_cv_[$1]_convertible}", [U*], [u=+1], [u=-1])
AS_CASE("${rb_cv_[$1]_convertible}", [PTR], [u=], [U*], [u=+1], [u=-1])
AC_DEFINE_UNQUOTED(rb_[$1], $n)
AS_IF([test $u], [
AC_DEFINE_UNQUOTED([SIGNEDNESS_OF_]AS_TR_CPP($1), $u)
AC_DEFINE_UNQUOTED([$3]2NUM[(v)], [${rb_cv_[$1]_convertible}2NUM(v)])
AC_DEFINE_UNQUOTED(NUM2[$3][(v)], [NUM2${rb_cv_[$1]_convertible}(v)])
AC_DEFINE_UNQUOTED(PRI_[$3]_PREFIX,
[PRI_`echo ${rb_cv_[$1]_convertible} | sed ['s/^U//']`_PREFIX])
])
])dnl