enable -Woverloaded-virtual when available
gcc/ * configure.ac: Check for -Woverloaded-virtual and enable it if found. * configure: Regenerate. From-SVN: r209480
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@ -1,3 +1,8 @@
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2014-04-17 Trevor Saunders <tsaunders@mozilla.com>
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* configure.ac: Check for -Woverloaded-virtual and enable it if found.
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* configure: Regenerate.
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2014-04-17 Trevor Saunders <tsaunders@mozilla.com>
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* passes.c (dump_one_pass): don't check pass->has_gate.
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@ -6427,6 +6427,50 @@ fi
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done
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CFLAGS="$save_CFLAGS"
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save_CFLAGS="$CFLAGS"
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for real_option in -Woverloaded-virtual; do
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# Do the check with the no- prefix removed since gcc silently
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# accepts any -Wno-* option on purpose
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case $real_option in
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-Wno-*) option=-W`expr x$real_option : 'x-Wno-\(.*\)'` ;;
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*) option=$real_option ;;
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esac
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as_acx_Woption=`$as_echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh`
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $option" >&5
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$as_echo_n "checking whether $CC supports $option... " >&6; }
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if { as_var=$as_acx_Woption; eval "test \"\${$as_var+set}\" = set"; }; then :
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$as_echo_n "(cached) " >&6
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else
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CFLAGS="$option"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int
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main ()
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{
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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eval "$as_acx_Woption=yes"
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else
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eval "$as_acx_Woption=no"
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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eval ac_res=\$$as_acx_Woption
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
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$as_echo "$ac_res" >&6; }
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if test `eval 'as_val=${'$as_acx_Woption'};$as_echo "$as_val"'` = yes; then :
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strict_warn="$strict_warn${strict_warn:+ }$real_option"
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fi
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done
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CFLAGS="$save_CFLAGS"
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c_strict_warn=
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save_CFLAGS="$CFLAGS"
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for real_option in -Wold-style-definition -Wc++-compat; do
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@ -17927,7 +17971,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 17930 "configure"
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#line 17974 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -18033,7 +18077,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 18036 "configure"
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#line 18080 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -339,6 +339,8 @@ ACX_PROG_CC_WARNING_OPTS(
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[c_loose_warn])
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ACX_PROG_CC_WARNING_OPTS(
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m4_quote(m4_do([-Wmissing-format-attribute])), [strict_warn])
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ACX_PROG_CC_WARNING_OPTS(
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m4_quote(m4_do([-Woverloaded-virtual])), [strict_warn])
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ACX_PROG_CC_WARNING_OPTS(
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m4_quote(m4_do([-Wold-style-definition -Wc++-compat])), [c_strict_warn])
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ACX_PROG_CC_WARNING_ALMOST_PEDANTIC(
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