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-rw-r--r--meta/recipes-devtools/elfutils/elfutils-0.168/fallthrough.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/meta/recipes-devtools/elfutils/elfutils-0.168/fallthrough.patch b/meta/recipes-devtools/elfutils/elfutils-0.168/fallthrough.patch
new file mode 100644
index 0000000000..b2623f9d2e
--- /dev/null
+++ b/meta/recipes-devtools/elfutils/elfutils-0.168/fallthrough.patch
@@ -0,0 +1,36 @@
+GCC7 adds -Wimplicit-fallthrough to warn when a switch case falls through,
+however this causes warnings (which are promoted to errors) with the elfutils
+patches from Debian for mips and parisc, which use fallthrough's by design.
+
+Explicitly mark the intentional fallthrough switch cases with a comment to
+disable the warnings where the fallthrough behaviour is desired.
+
+Upstream-Status: Pending [debian]
+Signed-off-by: Joshua Lock <joshua.g.lock@intel.com>
+
+Index: elfutils-0.168/backends/parisc_retval.c
+===================================================================
+--- elfutils-0.168.orig/backends/parisc_retval.c
++++ elfutils-0.168/backends/parisc_retval.c
+@@ -166,7 +166,7 @@ parisc_return_value_location_ (Dwarf_Die
+ return nloc_intregpair;
+
+ /* Else fall through. */
+- }
++ } // fallthrough
+
+ case DW_TAG_structure_type:
+ case DW_TAG_class_type:
+Index: elfutils-0.168/backends/mips_retval.c
+===================================================================
+--- elfutils-0.168.orig/backends/mips_retval.c
++++ elfutils-0.168/backends/mips_retval.c
+@@ -387,7 +387,7 @@ mips_return_value_location (Dwarf_Die *f
+ else
+ return nloc_intregpair;
+ }
+- }
++ } // fallthrough
+
+ /* Fallthrough to handle large types */
+