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authorJason Merrill <jason@gcc.gnu.org>2011-11-02 16:16:43 -0400
committerJason Merrill <jason@gcc.gnu.org>2011-11-02 16:16:43 -0400
commit25339f1097a119662a4989964f32143ad44edbd3 (patch)
tree883396e26db08ff838de9608ab092c69fcce8870 /gcc/configure
parent24748eb48e44ae268686a795149edc03af0e4310 (diff)
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re PR c++/50810 (c++0x-compat does not warn about narrowing conversions)
PR c++/50810 gcc/c-family * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default Wnarrowing for C++0x and C++98. * c.opt ([Wnarrowing]): Update. gcc/cp * typeck2.c (check_narrowing): Adjust OPT_Wnarrowing diagnostics. (digest_init_r): Call check_narrowing irrespective of the C++ dialect. * decl.c (check_initializer): Likewise. * semantics.c (finish_compound_literal): Likewise. gcc/ * configure.ac: Add -Wno-narrowing to warning options. libcpp/ * configure.ac: Add -Wno-narrowing to warning options. From-SVN: r180794
Diffstat (limited to 'gcc/configure')
-rwxr-xr-xgcc/configure3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/configure b/gcc/configure
index 3b0b39b..35dbdd8 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -6394,11 +6394,12 @@ fi
# * 'long long'
# * variadic macros
# * overlong strings
+# * C++11 narrowing conversions in { }
# So, we only use -pedantic if we can disable those warnings.
loose_warn=
save_CFLAGS="$CFLAGS"
-for option in -W -Wall -Wwrite-strings -Wcast-qual; do
+for option in -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual; do
as_acx_Woption=`$as_echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh`
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $option" >&5