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From 28156667e5c7dc3c7b978f2d58c2a427038fedda Mon Sep 17 00:00:00 2001
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From: Jes Sorensen <jsorensen@fb.com>
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Date: Mon, 4 Jun 2018 14:49:59 -0400
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Subject: [RHEL7.5 PATCH 26/26] gcc-8 coverity hack
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Coverity still has issues with gcc-7, not to mention gcc-8. Hack around
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it, until they fix it.
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Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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---
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Makefile | 15 +++++++++++----
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coverity-gcc-hack.h | 10 ++++++++++
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2 files changed, 21 insertions(+), 4 deletions(-)
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create mode 100644 coverity-gcc-hack.h
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diff --git a/Makefile b/Makefile
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index 188a218..2767ac6 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -42,6 +42,10 @@ KLIBC=/home/src/klibc/klibc-0.77
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KLIBC_GCC = gcc -nostdinc -iwithprefix include -I$(KLIBC)/klibc/include -I$(KLIBC)/linux/include -I$(KLIBC)/klibc/arch/i386/include -I$(KLIBC)/klibc/include/bits32
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+ifdef COVERITY
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+COVERITY_FLAGS=-include coverity-gcc-hack.h
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+endif
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+
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CC ?= $(CROSS_COMPILE)gcc
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CXFLAGS ?= -ggdb
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CWFLAGS = -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter
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@@ -177,6 +181,9 @@ everything-test: all mdadm.static swap_super test_stripe \
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# mdadm.uclibc doesn't work on x86-64
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# mdadm.tcc doesn't work..
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+%.o: %.c
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+ $(CC) $(CFLAGS) $(CPPFLAGS) $(COVERITY_FLAGS) -o $@ -c $<
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+
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mdadm : $(OBJS) | check_rundir
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$(CC) $(CFLAGS) $(LDFLAGS) -o mdadm $(OBJS) $(LDLIBS)
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@@ -291,10 +298,10 @@ test: mdadm mdmon test_stripe swap_super raid6check
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clean :
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rm -f mdadm mdmon $(OBJS) $(MON_OBJS) $(STATICOBJS) core *.man \
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- mdadm.tcc mdadm.uclibc mdadm.static *.orig *.porig *.rej *.alt .merge_file_* \
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- mdadm.Os mdadm.O2 mdmon.O2 swap_super \
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- init.cpio.gz mdadm.uclibc.static test_stripe raid6check raid6check.o mdmon \
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- mdadm.8
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+ mdadm.tcc mdadm.uclibc mdadm.static *.orig *.porig *.rej *.alt \
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+ .merge_file_* mdadm.Os mdadm.O2 mdmon.O2 swap_super init.cpio.gz \
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+ mdadm.uclibc.static test_stripe raid6check raid6check.o mdmon mdadm.8
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+ rm -rf cov-int
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dist : clean
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./makedist
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diff --git a/coverity-gcc-hack.h b/coverity-gcc-hack.h
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new file mode 100644
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index 0000000..2d94a8b
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--- /dev/null
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+++ b/coverity-gcc-hack.h
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@@ -0,0 +1,10 @@
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+#if !defined(__KERNEL__) && defined(__x86_64__) && defined(__COVERITY_GCC_VERSION_AT_LEAST)
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+#if __COVERITY_GCC_VERSION_AT_LEAST(7, 0)
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+typedef float _Float128 __attribute__((__vector_size__(128)));
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+typedef float _Float64 __attribute__((__vector_size__(64)));
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+typedef float _Float32 __attribute__((__vector_size__(32)));
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+typedef float _Float128x __attribute__((__vector_size__(128)));
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+typedef float _Float64x __attribute__((__vector_size__(64)));
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+typedef float _Float32x __attribute__((__vector_size__(32)));
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+#endif
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+#endif
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--
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2.7.4
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