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Issue #23545: Turn on extra warnings on GCC.
This commit is contained in:
parent
81b08a8217
commit
ea80ffb851
124
configure
vendored
124
configure
vendored
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@ -6920,6 +6920,47 @@ case $GCC in
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yes)
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CFLAGS_NODIST="$CFLAGS_NODIST -std=c99"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wextra" >&5
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$as_echo_n "checking for -Wextra... " >&6; }
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ac_save_cc="$CC"
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CC="$CC -Wextra -Werror"
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if ${ac_cv_extra_warnings+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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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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ac_cv_extra_warnings=yes
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else
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ac_cv_extra_warnings=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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CC="$ac_save_cc"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_extra_warnings" >&5
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$as_echo "$ac_cv_extra_warnings" >&6; }
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if test $ac_cv_extra_warnings = yes
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then
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CFLAGS_NODIST="$CFLAGS_NODIST -Wextra"
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fi
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# Python doesn't violate C99 aliasing rules, but older versions of
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# GCC produce warnings for legal Python code. Enable
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# -fno-strict-aliasing on versions of GCC that support but produce
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@ -7040,6 +7081,89 @@ $as_echo "$ac_cv_disable_unused_result_warning" >&6; }
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if test $ac_cv_disable_unused_result_warning = yes
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then
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BASECFLAGS="$BASECFLAGS -Wno-unused-result"
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CFLAGS_NODIST="$CFLAGS_NODIST -Wno-unused-result"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can turn off $CC unused parameter warning" >&5
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$as_echo_n "checking if we can turn off $CC unused parameter warning... " >&6; }
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ac_save_cc="$CC"
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CC="$CC -Wunused-parameter -Werror"
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if ${ac_cv_disable_unused_parameter_warning+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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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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ac_cv_disable_unused_parameter_warning=yes
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else
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ac_cv_disable_unused_parameter_warning=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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CC="$ac_save_cc"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_disable_unused_parameter_warning" >&5
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$as_echo "$ac_cv_disable_unused_parameter_warning" >&6; }
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if test $ac_cv_disable_unused_parameter_warning = yes
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then
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CFLAGS_NODIST="$CFLAGS_NODIST -Wno-unused-parameter"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can turn off $CC missing field initializers warning" >&5
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$as_echo_n "checking if we can turn off $CC missing field initializers warning... " >&6; }
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ac_save_cc="$CC"
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CC="$CC -Wmissing-field-initializers -Werror"
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if ${ac_cv_disable_missing_field_initializers+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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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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ac_cv_disable_missing_field_initializers=yes
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else
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ac_cv_disable_missing_field_initializers=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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CC="$ac_save_cc"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_disable_missing_field_initializers" >&5
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$as_echo "$ac_cv_disable_missing_field_initializers" >&6; }
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if test $ac_cv_disable_missing_field_initializers = yes
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then
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CFLAGS_NODIST="$CFLAGS_NODIST -Wno-missing-field-initializers"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can turn on $CC mixed sign comparison warning" >&5
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61
configure.ac
61
configure.ac
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@ -1517,6 +1517,26 @@ case $GCC in
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yes)
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CFLAGS_NODIST="$CFLAGS_NODIST -std=c99"
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AC_MSG_CHECKING(for -Wextra)
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ac_save_cc="$CC"
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CC="$CC -Wextra -Werror"
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AC_CACHE_VAL(ac_cv_extra_warnings,
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AC_COMPILE_IFELSE(
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[
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AC_LANG_PROGRAM([[]], [[]])
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],[
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ac_cv_extra_warnings=yes
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],[
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ac_cv_extra_warnings=no
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]))
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CC="$ac_save_cc"
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AC_MSG_RESULT($ac_cv_extra_warnings)
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if test $ac_cv_extra_warnings = yes
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then
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CFLAGS_NODIST="$CFLAGS_NODIST -Wextra"
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fi
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# Python doesn't violate C99 aliasing rules, but older versions of
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# GCC produce warnings for legal Python code. Enable
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# -fno-strict-aliasing on versions of GCC that support but produce
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@ -1581,6 +1601,47 @@ yes)
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if test $ac_cv_disable_unused_result_warning = yes
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then
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BASECFLAGS="$BASECFLAGS -Wno-unused-result"
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CFLAGS_NODIST="$CFLAGS_NODIST -Wno-unused-result"
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fi
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AC_MSG_CHECKING(if we can turn off $CC unused parameter warning)
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ac_save_cc="$CC"
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CC="$CC -Wunused-parameter -Werror"
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AC_CACHE_VAL(ac_cv_disable_unused_parameter_warning,
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AC_COMPILE_IFELSE(
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[
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AC_LANG_PROGRAM([[]], [[]])
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],[
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ac_cv_disable_unused_parameter_warning=yes
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],[
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ac_cv_disable_unused_parameter_warning=no
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]))
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CC="$ac_save_cc"
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AC_MSG_RESULT($ac_cv_disable_unused_parameter_warning)
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if test $ac_cv_disable_unused_parameter_warning = yes
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then
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CFLAGS_NODIST="$CFLAGS_NODIST -Wno-unused-parameter"
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fi
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AC_MSG_CHECKING(if we can turn off $CC missing field initializers warning)
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ac_save_cc="$CC"
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CC="$CC -Wmissing-field-initializers -Werror"
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AC_CACHE_VAL(ac_cv_disable_missing_field_initializers,
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AC_COMPILE_IFELSE(
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[
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AC_LANG_PROGRAM([[]], [[]])
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],[
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ac_cv_disable_missing_field_initializers=yes
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],[
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ac_cv_disable_missing_field_initializers=no
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]))
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CC="$ac_save_cc"
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AC_MSG_RESULT($ac_cv_disable_missing_field_initializers)
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if test $ac_cv_disable_missing_field_initializers = yes
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then
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CFLAGS_NODIST="$CFLAGS_NODIST -Wno-missing-field-initializers"
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fi
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AC_MSG_CHECKING(if we can turn on $CC mixed sign comparison warning)
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