diff options
| -rw-r--r-- | configure.ac | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 48f0b31f6a..339ee3b2f2 100644 --- a/configure.ac +++ b/configure.ac @@ -4304,6 +4304,24 @@ AS_IF([test "${ARCH_FLAG}"], [ CXXFLAGS=`echo "$CXXFLAGS" | sed "s| *$archflagpat"'||'` LDFLAGS=`echo "$LDFLAGS" | sed "s| *$archflagpat"'||'` ]) +AS_CASE([" $rb_cv_warnflags "], [*" -Wshorten-64-to-32 "*|*" -Werror=shorten-64-to-32 "*], [ + voidp_ll= + AS_CASE([$ac_cv_sizeof_voidp], + [SIZEOF_LONG_LONG], [voidp_ll=true], + [@<:@0-9@:>@*], [ + AS_IF([test $ac_cv_sizeof_voidp -gt $ac_cv_sizeof_long], [voidp_ll=true]) + ]) + AS_IF([test "$voidp_ll"], [ + # Disable the shorten-64-to-32 warning for now, because it currently + # generates a lot of warnings on platforms where `sizeof(void*)` is + # larger than `sizeof(long)`. + # + # TODO: Replace `long` with `ptrdiff_t` or something in the all sources. + rb_cv_warnflags=`echo "$rb_cv_warnflags" | + sed -e 's/ -W\(shorten-64-to-32 \)/ -Wno-\1/' \ + -e 's/ -Werror=\(shorten-64-to-32 \)/ -Wno-\1/'` + ]) +]) rb_cv_warnflags=`echo "$rb_cv_warnflags" | sed 's/^ *//;s/ *$//'` warnflags="$rb_cv_warnflags" AC_SUBST(cppflags)dnl |