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@@ -55,6 +55,59 @@ var (
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"-Werror=pragma-pack-suspicious-include",
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"-Werror=string-plus-int",
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"-Werror=unreachable-code-loop-increment",
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+
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+ "-D__compiler_offsetof=__builtin_offsetof",
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+
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+ // Emit address-significance table which allows linker to perform safe ICF. Clang does
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+ // not emit the table by default on Android since NDK still uses GNU binutils.
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+ "-faddrsig",
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+
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+ // Turn on -fcommon explicitly, since Clang now defaults to -fno-common. The cleanup bug
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+ // tracking this is http://b/151457797.
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+ "-fcommon",
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+
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+ // Help catch common 32/64-bit errors.
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+ "-Werror=int-conversion",
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+
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+ // Enable the new pass manager.
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+ "-fexperimental-new-pass-manager",
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+
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+ // Disable overly aggressive warning for macros defined with a leading underscore
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+ // This happens in AndroidConfig.h, which is included nearly everywhere.
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+ // TODO: can we remove this now?
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+ "-Wno-reserved-id-macro",
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+
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+ // Workaround for ccache with clang.
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+ // See http://petereisentraut.blogspot.com/2011/05/ccache-and-clang.html.
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+ "-Wno-unused-command-line-argument",
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+
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+ // Force clang to always output color diagnostics. Ninja will strip the ANSI
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+ // color codes if it is not running in a terminal.
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+ "-fcolor-diagnostics",
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+
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+ // Warnings from clang-7.0
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+ "-Wno-sign-compare",
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+
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+ // Warnings from clang-8.0
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+ "-Wno-defaulted-function-deleted",
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+
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+ // Disable -Winconsistent-missing-override until we can clean up the existing
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+ // codebase for it.
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+ "-Wno-inconsistent-missing-override",
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+
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+ // Warnings from clang-10
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+ // Nested and array designated initialization is nice to have.
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+ "-Wno-c99-designator",
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+
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+ // Warnings from clang-12
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+ "-Wno-gnu-folding-constant",
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+
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+ // Calls to the APIs that are newer than the min sdk version of the caller should be
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+ // guarded with __builtin_available.
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+ "-Wunguarded-availability",
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+ // This macro allows the bionic versioning.h to indirectly determine whether the
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+ // option -Wunguarded-availability is on or not.
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+ "-D__ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__",
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}
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commonGlobalConlyflags = []string{}
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@@ -246,7 +299,6 @@ func init() {
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bazelCommonGlobalCflags := append(
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commonGlobalCflags,
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[]string{
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- "${ClangExtraCflags}",
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// Default to zero initialization.
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"-ftrivial-auto-var-init=zero",
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"-enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang",
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@@ -255,7 +307,6 @@ func init() {
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pctx.VariableFunc("CommonGlobalCflags", func(ctx android.PackageVarContext) string {
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flags := commonGlobalCflags
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- flags = append(flags, "${ClangExtraCflags}")
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// http://b/131390872
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// Automatically initialize any uninitialized stack variables.
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