mirror of https://github.com/python/cpython
gh-121040: Remove fallthrough warnings compiler option (gh-121041)
Remove fallthrough warnings
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9056597224
commit
ef28f6df42
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@ -9607,45 +9607,6 @@ fi
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# Enable flags that warn and protect for potential security vulnerabilities.
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# These flags should be enabled by default for all builds.
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wimplicit-fallthrough" >&5
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printf %s "checking whether C compiler accepts -Wimplicit-fallthrough... " >&6; }
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if test ${ax_cv_check_cflags__Werror__Wimplicit_fallthrough+y}
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then :
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printf %s "(cached) " >&6
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else $as_nop
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ax_check_save_flags=$CFLAGS
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CFLAGS="$CFLAGS -Werror -Wimplicit-fallthrough"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int
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main (void)
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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"
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then :
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ax_cv_check_cflags__Werror__Wimplicit_fallthrough=yes
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else $as_nop
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ax_cv_check_cflags__Werror__Wimplicit_fallthrough=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
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CFLAGS=$ax_check_save_flags
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags__Werror__Wimplicit_fallthrough" >&5
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printf "%s\n" "$ax_cv_check_cflags__Werror__Wimplicit_fallthrough" >&6; }
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if test "x$ax_cv_check_cflags__Werror__Wimplicit_fallthrough" = xyes
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then :
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BASECFLAGS="$BASECFLAGS -Wimplicit-fallthrough"
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else $as_nop
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: -Wimplicit-fallthrough not supported" >&5
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printf "%s\n" "$as_me: WARNING: -Wimplicit-fallthrough not supported" >&2;}
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -fstack-protector-strong" >&5
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printf %s "checking whether C compiler accepts -fstack-protector-strong... " >&6; }
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if test ${ax_cv_check_cflags__Werror__fstack_protector_strong+y}
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@ -2453,7 +2453,6 @@ AS_VAR_IF([with_strict_overflow], [yes],
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# Enable flags that warn and protect for potential security vulnerabilities.
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# These flags should be enabled by default for all builds.
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AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough], [BASECFLAGS="$BASECFLAGS -Wimplicit-fallthrough"], [AC_MSG_WARN([-Wimplicit-fallthrough not supported])], [-Werror])
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AX_CHECK_COMPILE_FLAG([-fstack-protector-strong], [BASECFLAGS="$BASECFLAGS -fstack-protector-strong"], [AC_MSG_WARN([-fstack-protector-strong not supported])], [-Werror])
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AX_CHECK_COMPILE_FLAG([-Wtrampolines], [BASECFLAGS="$BASECFLAGS -Wtrampolines"], [AC_MSG_WARN([-Wtrampolines not supported])], [-Werror])
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