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https://github.com/Divested-Mobile/DivestOS-Build.git
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27 lines
780 B
Diff
27 lines
780 B
Diff
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From f699532069f985837f61c43cd7697869890672ea Mon Sep 17 00:00:00 2001
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From: Daniel Micay <danielmicay@gmail.com>
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Date: Tue, 13 Sep 2016 22:05:56 -0400
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Subject: [PATCH] use -fwrapv when signed overflow checking is off
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---
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core/config_sanitizers.mk | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
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index 70cb456a5..705bcb1ef 100644
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--- a/core/config_sanitizers.mk
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+++ b/core/config_sanitizers.mk
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@@ -308,3 +308,9 @@ ifneq ($(my_sanitize_diag),)
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my_shared_libraries += $($(LOCAL_2ND_ARCH_VAR_PREFIX)UBSAN_RUNTIME_LIBRARY)
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endif
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endif
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+
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+ifeq ($(filter signed-integer-overflow integer undefined,$(my_sanitize)),)
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+ ifeq ($(filter -ftrapv,$(my_cflags)),)
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+ my_cflags += -fwrapv
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+ endif
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+endif
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--
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2.31.1
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