diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | configure.in | 7 | ||||
| -rw-r--r-- | lib/mkmf.rb | 2 |
3 files changed, 8 insertions, 5 deletions
@@ -1,4 +1,4 @@ -Fri Dec 14 10:01:40 2007 Nobuyoshi Nakada <nobu@ruby-lang.org> +Fri Dec 14 11:54:06 2007 Nobuyoshi Nakada <nobu@ruby-lang.org> * configure.in (RUBY_CHECK_VARTYPE): check if a variable is defined and its type. @@ -7,6 +7,8 @@ Fri Dec 14 10:01:40 2007 Nobuyoshi Nakada <nobu@ruby-lang.org> * missing/strftime.c (strftime): fix for timezone. [ruby-dev:32536] + * lib/mkmf.rb (try_var): should fail for functions. + Tue Dec 11 00:04:05 2007 Akinori MUSHA <knu@iDaemons.org> * array.c (rb_ary_slice_bang): If an invalid negative index (< diff --git a/configure.in b/configure.in index 6a5f302d10..0a73dd7581 100644 --- a/configure.in +++ b/configure.in @@ -577,13 +577,14 @@ AC_CACHE_CHECK([for external $1], rb_cv_var_$1, [rb_cv_var_$1=no AC_TRY_COMPILE([#define _XOPEN_SOURCE 1 $2 - void *t;], + const volatile void *volatile t;], [t = &(&$1)[0];], [for t in $3; do AC_TRY_COMPILE([#define _XOPEN_SOURCE 1 $2 - extern $t $1;], - [void *t = &(&$1)[0];], + extern $t $1; + const volatile void *volatile t;], + [t = &(&$1)[0];], [rb_cv_var_$1=$t; break]) done])]) if test "[$rb_cv_var_]$1" != no; then diff --git a/lib/mkmf.rb b/lib/mkmf.rb index 35750b5051..aea6d9986f 100644 --- a/lib/mkmf.rb +++ b/lib/mkmf.rb @@ -445,7 +445,7 @@ def try_var(var, headers = nil, &b) #{headers} /*top*/ int main() { return 0; } -int t() { const volatile void *volatile p; p = (void *)&#{var}; return 0; } +int t() { const volatile void *volatile p; p = &(&#{var})[0]; return 0; } SRC end |