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configure.ac (strict_warn): Merge -Wmissing-format-attribute and -Woverloaded-virtual checks for warning...

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* configure.ac (strict_warn): Merge -Wmissing-format-attribute and
	-Woverloaded-virtual checks for warning options.
	* configure: Regenerate.

From-SVN: r240721
This commit is contained in:
Uros Bizjak 2016-10-03 17:51:33 +02:00 • committed by Uros Bizjak
parent e347987da8
commit ec9d5ad13b
3 changed files with 13 additions and 63 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2016-10-03 Uros Bizjak <ubizjak@gmail.com>
* configure.ac (strict_warn): Merge -Wmissing-format-attribute and
-Woverloaded-virtual checks for warning options.
* configure: Regenerate.
2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR preprocessor/77699

62
gcc/configure vendored
View file

@ -6758,63 +6758,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
strict_warn=
save_CXXFLAGS="$CXXFLAGS"
for real_option in -Wmissing-format-attribute; 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 $CXX supports $option" >&5
$as_echo_n "checking whether $CXX supports $option... " >&6; }
if { as_var=$as_acx_Woption; eval "test \"\${$as_var+set}\" = set"; }; then :
$as_echo_n "(cached) " >&6
else
CXXFLAGS="$option"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$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:+ }$real_option"
fi
done
CXXFLAGS="$save_CXXFLAGS"
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
save_CXXFLAGS="$CXXFLAGS"
for real_option in -Woverloaded-virtual; do
for real_option in -Wmissing-format-attribute -Woverloaded-virtual; do
# Do the check with the no- prefix removed since gcc silently
# accepts any -Wno-* option on purpose
case $real_option in
@ -18479,7 +18423,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 18482 "configure"
#line 18426 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -18585,7 +18529,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 18588 "configure"
#line 18532 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H

8
gcc/configure.ac
View file

@ -476,14 +476,14 @@ AC_ARG_ENABLE(build-format-warnings,
AS_IF([test $enable_build_format_warnings = no],
[wf_opt=-Wno-format],[wf_opt=])
ACX_PROG_CXX_WARNING_OPTS(
m4_quote(m4_do([-W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual $wf_opt])), [loose_warn])
m4_quote(m4_do([-W -Wall -Wno-narrowing -Wwrite-strings ],
[-Wcast-qual $wf_opt])), [loose_warn])
ACX_PROG_CC_WARNING_OPTS(
m4_quote(m4_do([-Wstrict-prototypes -Wmissing-prototypes])),
[c_loose_warn])
ACX_PROG_CXX_WARNING_OPTS(
m4_quote(m4_do([-Wmissing-format-attribute])), [strict_warn])
ACX_PROG_CXX_WARNING_OPTS(
m4_quote(m4_do([-Woverloaded-virtual])), [strict_warn])
m4_quote(m4_do([-Wmissing-format-attribute ],
[-Woverloaded-virtual])), [strict_warn])
ACX_PROG_CC_WARNING_OPTS(
m4_quote(m4_do([-Wold-style-definition -Wc++-compat])), [c_strict_warn])
ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC(