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-- a/Makefile |
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#!/bin/sh |
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# Test if gcc default to -fPIE/-fpie |
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cat << "END" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y" |
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int main(void) |
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{ |
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#if !(defined(__PIE__) || defined(__pie__)) |
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#error "Compiler don't default to PIE" |
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#endif |
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return 0; |
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} |
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END |
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++ b/Makefile |
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Lines 674-679
ifdef CONFIG_CC_STACKPROTECTOR
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endif |
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endif |
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KBUILD_CFLAGS += $(stackp-flag) |
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KBUILD_CFLAGS += $(stackp-flag) |
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676 |
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# Force off for compilers that enable PIE by default. |
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ifeq ($(CONFIG_SHELL) $(srctree)/scripts/gcc-default-pie.sh $(CC), y) |
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KBUILD_CFLAGS += -fno-PIE |
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KBUILD_ASFLAG += -fno-PIE |
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endif |
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ifeq ($(cc-name),clang) |
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ifeq ($(cc-name),clang) |
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KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) |
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KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) |
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KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,) |
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KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,) |
