diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rwxr-xr-x | gcc/configure | 48 | ||||
| -rw-r--r-- | gcc/configure.ac | 2 |
3 files changed, 53 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0ac396a2485..3fb035abcec 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,9 @@ 2014-04-17 Trevor Saunders <tsaunders@mozilla.com> + + * configure.ac: Check for -Woverloaded-virtual and enable it if found. + * configure: Regenerate. + +2014-04-17 Trevor Saunders <tsaunders@mozilla.com> * passes.c (dump_one_pass): don't check pass->has_gate. (execute_ipa_summary_passes): Likewise. diff --git a/gcc/configure b/gcc/configure index 11fb90aae6c..bfb1525db69 100755 --- a/gcc/configure +++ b/gcc/configure @@ -6427,6 +6427,50 @@ fi done CFLAGS="$save_CFLAGS" +save_CFLAGS="$CFLAGS" +for real_option in -Woverloaded-virtual; do + # Do the check with the no- prefix removed since gcc silently + # accepts any -Wno-* option on purpose + case $real_option in + -Wno-*) option=-W`expr x$real_option : 'x-Wno-\(.*\)'` ;; + *) option=$real_option ;; + esac + as_acx_Woption=`$as_echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh` + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $option" >&5 +$as_echo_n "checking whether $CC supports $option... " >&6; } +if { as_var=$as_acx_Woption; eval "test \"\${$as_var+set}\" = set"; }; then : + $as_echo_n "(cached) " >&6 +else + CFLAGS="$option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_acx_Woption=yes" +else + eval "$as_acx_Woption=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +eval ac_res=\$$as_acx_Woption + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + if test `eval 'as_val=${'$as_acx_Woption'};$as_echo "$as_val"'` = yes; then : + strict_warn="$strict_warn${strict_warn:+ }$real_option" +fi + done +CFLAGS="$save_CFLAGS" + c_strict_warn= save_CFLAGS="$CFLAGS" for real_option in -Wold-style-definition -Wc++-compat; do @@ -17927,7 +17971,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 17930 "configure" +#line 17974 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -18033,7 +18077,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 18036 "configure" +#line 18080 "configure" #include "confdefs.h" #if HAVE_DLFCN_H diff --git a/gcc/configure.ac b/gcc/configure.ac index 47e85d5deb9..d7cae6cb673 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -340,6 +340,8 @@ ACX_PROG_CC_WARNING_OPTS( ACX_PROG_CC_WARNING_OPTS( m4_quote(m4_do([-Wmissing-format-attribute])), [strict_warn]) ACX_PROG_CC_WARNING_OPTS( + m4_quote(m4_do([-Woverloaded-virtual])), [strict_warn]) +ACX_PROG_CC_WARNING_OPTS( m4_quote(m4_do([-Wold-style-definition -Wc++-compat])), [c_strict_warn]) ACX_PROG_CC_WARNING_ALMOST_PEDANTIC( m4_quote(m4_do([-Wno-long-long -Wno-variadic-macros ], |