diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-09-12 13:40:06 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-09-12 13:40:06 +0000 |
| commit | e6a317bf6c4f988fe005af271c1d40ddc9c1ae59 (patch) | |
| tree | 0377db7d0b76d55f2ef7f8422171d843bc69a817 /configure.in | |
| parent | 3f78d84661b61c686c9b49a51ab742fb3484b4de (diff) | |
configure.in: size_t must be unsigned
* 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
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/configure.in b/configure.in index 92c9e6ef31..881449e61f 100644 --- a/configure.in +++ b/configure.in @@ -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) |