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Issue #22110: Enable extra compilation warnings.
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30575c7363
commit
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88
configure
vendored
88
configure
vendored
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@ -6510,6 +6510,94 @@ $as_echo "$ac_cv_declaration_after_statement_warning" >&6; }
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BASECFLAGS="$BASECFLAGS -Werror=declaration-after-statement"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can turn on $CC mixed sign comparison warning" >&5
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$as_echo_n "checking if we can turn on $CC mixed sign comparison warning... " >&6; }
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ac_save_cc="$CC"
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CC="$CC -Wsign-compare"
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save_CFLAGS="$CFLAGS"
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if ${ac_cv_enable_sign_compare_warning+:} false; then :
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$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_enable_sign_compare_warning=yes
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else
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ac_cv_enable_sign_compare_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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CFLAGS="$save_CFLAGS"
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CC="$ac_save_cc"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_enable_sign_compare_warning" >&5
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$as_echo "$ac_cv_enable_sign_compare_warning" >&6; }
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if test $ac_cv_enable_sign_compare_warning = yes
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then
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BASECFLAGS="$BASECFLAGS -Wsign-compare"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can turn on $CC unreachable code warning" >&5
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$as_echo_n "checking if we can turn on $CC unreachable code warning... " >&6; }
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ac_save_cc="$CC"
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CC="$CC -Wunreachable-code"
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save_CFLAGS="$CFLAGS"
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if ${ac_cv_enable_unreachable_code_warning+:} false; then :
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$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_enable_unreachable_code_warning=yes
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else
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ac_cv_enable_unreachable_code_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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CFLAGS="$save_CFLAGS"
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CC="$ac_save_cc"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_enable_unreachable_code_warning" >&5
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$as_echo "$ac_cv_enable_unreachable_code_warning" >&6; }
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# Don't enable unreachable code warning in debug mode, since it usually
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# results in non-standard code paths.
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if test $ac_cv_enable_unreachable_code_warning = yes && test "$Py_DEBUG" != "true"
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then
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BASECFLAGS="$BASECFLAGS -Wunreachable-code"
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fi
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# if using gcc on alpha, use -mieee to get (near) full IEEE 754
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# support. Without this, treatment of subnormals doesn't follow
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# the standard.
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46
configure.ac
46
configure.ac
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@ -1234,6 +1234,52 @@ yes)
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BASECFLAGS="$BASECFLAGS -Werror=declaration-after-statement"
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fi
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AC_MSG_CHECKING(if we can turn on $CC mixed sign comparison warning)
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ac_save_cc="$CC"
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CC="$CC -Wsign-compare"
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save_CFLAGS="$CFLAGS"
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AC_CACHE_VAL(ac_cv_enable_sign_compare_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_enable_sign_compare_warning=yes
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],[
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ac_cv_enable_sign_compare_warning=no
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]))
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CFLAGS="$save_CFLAGS"
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CC="$ac_save_cc"
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AC_MSG_RESULT($ac_cv_enable_sign_compare_warning)
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if test $ac_cv_enable_sign_compare_warning = yes
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then
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BASECFLAGS="$BASECFLAGS -Wsign-compare"
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fi
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AC_MSG_CHECKING(if we can turn on $CC unreachable code warning)
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ac_save_cc="$CC"
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CC="$CC -Wunreachable-code"
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save_CFLAGS="$CFLAGS"
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AC_CACHE_VAL(ac_cv_enable_unreachable_code_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_enable_unreachable_code_warning=yes
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],[
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ac_cv_enable_unreachable_code_warning=no
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]))
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CFLAGS="$save_CFLAGS"
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CC="$ac_save_cc"
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AC_MSG_RESULT($ac_cv_enable_unreachable_code_warning)
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# Don't enable unreachable code warning in debug mode, since it usually
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# results in non-standard code paths.
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if test $ac_cv_enable_unreachable_code_warning = yes && test "$Py_DEBUG" != "true"
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then
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BASECFLAGS="$BASECFLAGS -Wunreachable-code"
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fi
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# if using gcc on alpha, use -mieee to get (near) full IEEE 754
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# support. Without this, treatment of subnormals doesn't follow
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# the standard.
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