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configure.in: size_t must be unsigned

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* configure.in (RUBY_CHECK_SIGNEDNESS): macro to check signedness of a
  type.
* configure.in (size_t): must be unsigned.
  [ruby-core:57149] [Feature #8890]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42921 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-09-12 13:40:06 +00:00
parent 3f78d84661
commit e6a317bf6c
2 changed files with 16 additions and 4 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
Thu Sep 12 22:40:03 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in (RUBY_CHECK_SIGNEDNESS): macro to check signedness of a
type.
* configure.in (size_t): must be unsigned.
[ruby-core:57149] [Feature #8890]
Thu Sep 12 22:37:08 2013 Anton Ovchinnikov <revolver112@gmail.com>
* ext/bigdecimal/bigdecimal.c, ext/digest/md5/md5.c,

12
configure.in
View file

@ -1213,6 +1213,11 @@ elif test "x$ac_cv_type___int64" = xyes; then
RUBY_CHECK_PRINTF_PREFIX(__int64, ll I64, LL)
fi
dnl RUBY_CHECK_SIZEOF [typename] [if-signed] [if-unsigned] [included]
AC_DEFUN([RUBY_CHECK_SIGNEDNESS], [dnl
AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT([$4])], [($1)-1 > 0])],
[$3], [$2])])
dnl RUBY_REPLACE_TYPE [typename] [default type] [macro type] [included]
AC_DEFUN([RUBY_REPLACE_TYPE], [dnl
AC_CHECK_TYPE([$1],
@ -1225,10 +1230,7 @@ AC_DEFUN([RUBY_REPLACE_TYPE], [dnl
[*" signed "*], [ ],
[*" unsigned "*], [
u=U],
[
AC_COMPILE_IFELSE(
[AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT([$4])], [($n)-1 > 0])],
[u=U])])
[RUBY_CHECK_SIGNEDNESS($n, [], [u=U], [$4])])
if test x"$t" = x; then
for t in "long long" long int short; do
test -n "$u" && t="unsigned $t"
@ -1514,6 +1516,8 @@ fi
AC_TYPE_SIZE_T
RUBY_CHECK_SIGNEDNESS(size_t, [AC_MSG_ERROR(size_t is signed)], [],
[@%:@include <sys/types.h>])
RUBY_CHECK_SIZEOF(size_t, [int long void*], [], [@%:@include <sys/types.h>])
RUBY_CHECK_SIZEOF(ptrdiff_t, size_t, [], [@%:@include <stddef.h>])
RUBY_CHECK_PRINTF_PREFIX(size_t, z)