Do not rely on build host gcc for "implicit-fallthrough" support
we need to check the CC for it
Signed-off-by: Khem Raj <raj.k...@gmail.com>
---
...heck-for-implicit-fallthrough-warning-sup.patch | 31 ++++++++++++++++++++++
meta/recipes-extended/mdadm/mdadm_4.0.bb | 1 +
2 files changed, 32 insertions(+)
create mode 100644
meta/recipes-extended/mdadm/files/0001-Use-CC-to-check-for-implicit-fallthrough-warning-sup.patch
diff --git
a/meta/recipes-extended/mdadm/files/0001-Use-CC-to-check-for-implicit-fallthrough-warning-sup.patch
b/meta/recipes-extended/mdadm/files/0001-Use-CC-to-check-for-implicit-fallthrough-warning-sup.patch
new file mode 100644
index 0000000000..a4b7b8acd3
--- /dev/null
+++
b/meta/recipes-extended/mdadm/files/0001-Use-CC-to-check-for-implicit-fallthrough-warning-sup.patch
@@ -0,0 +1,31 @@
+From a129ee6d80f3b2cda0d827c35fa81a517cf6d505 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.k...@gmail.com>
+Date: Fri, 13 Oct 2017 10:27:34 -0700
+Subject: [PATCH] Use CC to check for implicit-fallthrough warning support
+
+This warning it new in gcc7 and in cross compile case
+its possible that build host gcc is version 7+ but the
+cross compile used for compiling mdadm is < version 7
+
+Signed-off-by: Khem Raj <raj.k...@gmail.com>
+---
+Upstream-Status: Pending
+ Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index d207ee4..971f255 100644
+--- a/Makefile
++++ b/Makefile
+@@ -48,7 +48,7 @@ ifdef WARN_UNUSED
+ CWFLAGS += -Wp,-D_FORTIFY_SOURCE=2 -O3
+ endif
+
+-FALLTHROUGH := $(shell gcc -v --help 2>&1 | grep "implicit-fallthrough" | wc
-l)
++FALLTHROUGH := $(shell ${CC} -v --help 2>&1 | grep "implicit-fallthrough" |
wc -l)
+ ifneq "$(FALLTHROUGH)" "0"
+ CWFLAGS += -Wimplicit-fallthrough=0
+ endif
+--
+2.14.2
+
diff --git a/meta/recipes-extended/mdadm/mdadm_4.0.bb
b/meta/recipes-extended/mdadm/mdadm_4.0.bb
index 506b0bc315..dc098f19b6 100644
--- a/meta/recipes-extended/mdadm/mdadm_4.0.bb
+++ b/meta/recipes-extended/mdadm/mdadm_4.0.bb
@@ -21,6 +21,7 @@ SRC_URI =
"${KERNELORG_MIRROR}/linux/utils/raid/mdadm/${BPN}-${PV}.tar.xz \
file://0003-Replace-snprintf-with-strncpy-at-some-places-to-avoi.patch \
file://0004-mdadm-Forced-type-conversion-to-avoid-truncation.patch \
file://0005-Add-a-comment-to-indicate-valid-fallthrough.patch \
+
file://0001-Use-CC-to-check-for-implicit-fallthrough-warning-sup.patch \
"
SRC_URI[md5sum] = "2cb4feffea9167ba71b5f346a0c0a40d"
SRC_URI[sha256sum] =
"1d6ae7f24ced3a0fa7b5613b32f4a589bb4881e3946a5a2c3724056254ada3a9"
--
2.14.2
--
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