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37 lines
1.0 KiB
37 lines
1.0 KiB
From 8268821b434d1308d083454fb681d80176cf352b Mon Sep 17 00:00:00 2001 |
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From: Xiao Ni <xni@redhat.com> |
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Date: Fri, 17 Mar 2017 19:55:42 +0800 |
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Subject: [RHEL7.5 PATCH 009/169] mdadm: Add Wimplicit-fallthrough=0 in |
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Makefile |
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There are many errors like 'error: this statement may fall through'. |
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But the logic is right. So add the flag Wimplicit-fallthrough=0 |
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to disable the error messages. The method I use is from |
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https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html |
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#index-Wimplicit-fallthrough-375 |
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Signed-off-by: Xiao Ni <xni@redhat.com> |
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Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com> |
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--- |
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Makefile | 5 +++++ |
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1 file changed, 5 insertions(+) |
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diff --git a/Makefile b/Makefile |
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index a6f464c..d1a6ac4 100644 |
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--- a/Makefile |
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+++ b/Makefile |
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@@ -48,6 +48,11 @@ ifdef WARN_UNUSED |
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CWFLAGS += -Wp,-D_FORTIFY_SOURCE=2 -O3 |
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endif |
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+FALLTHROUGH := $(shell gcc -v --help 2>&1 | grep "implicit-fallthrough" | wc -l) |
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+ifneq "$(FALLTHROUGH)" "0" |
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+CWFLAGS += -Wimplicit-fallthrough=0 |
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+endif |
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+ |
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ifdef DEBIAN |
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CPPFLAGS += -DDEBIAN |
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endif |
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-- |
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2.7.4 |
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