harfbuzz: Fix unused-variable warning

Backport a patch to fix the issue

(From OE-Core rev: aa67d21a2a3b18180475c7fc9e8e17f3c80831f5)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 45 insertions, 0 deletions

diff --git a/meta/recipes-graphics/harfbuzz/harfbuzz/0001-Removed-unused-variable-supp_size-from-plan_subset_e.patch b/meta/recipes-graphics/harfbuzz/harfbuzz/0001-Removed-unused-variable-supp_size-from-plan_subset_e.patch
new file mode 100644
index 0000000000..c1d4df42a9
--- /dev/null
+++ b/meta/recipes-graphics/harfbuzz/harfbuzz/0001-Removed-unused-variable-supp_size-from-plan_subset_e.patch
@@ -0,0 +1,44 @@
+From f96b2b653c605679b83a820b38f49a0a0f4baf42 Mon Sep 17 00:00:00 2001
+From: Andi-Bogdan Postelnicu <abpostelnicu@me.com>
+Date: Wed, 2 Jun 2021 14:08:11 +0300
+Subject: [PATCH] Removed unused variable `supp_size` from
+ plan_subset_encoding(...).
+
+Upstream-Status: Backport [https://github.com/harfbuzz/harfbuzz/commit/243d056ff1c2af583ceb67e5dfbfaac51dc96e63]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/hb-subset-cff1.cc | 4 +---
+ 1 file changed, 1 insertion(+), 3 deletions(-)
+
+diff --git a/src/hb-subset-cff1.cc b/src/hb-subset-cff1.cc
+index df322f8..35dae7b 100644
+--- a/src/hb-subset-cff1.cc
++++ b/src/hb-subset-cff1.cc
+@@ -402,7 +402,7 @@ struct cff_subset_plan {
+   void plan_subset_encoding (const OT::cff1::accelerator_subset_t &acc, hb_subset_plan_t *plan)
+   {
+     const Encoding *encoding = acc.encoding;
+-    unsigned int  size0, size1, supp_size;
++    unsigned int  size0, size1;
+     hb_codepoint_t  code, last_code = CFF_UNDEF_CODE;
+     hb_vector_t<hb_codepoint_t> supp_codes;
+ 
+@@ -412,7 +412,6 @@ struct cff_subset_plan {
+       return;
+     }
+ 
+-    supp_size = 0;
+     supp_codes.init ();
+ 
+     subset_enc_num_codes = plan->num_output_glyphs () - 1;
+@@ -448,7 +447,6 @@ struct cff_subset_plan {
+          code_pair_t pair = { supp_codes[i], sid };
+          subset_enc_supp_codes.push (pair);
+        }
+-       supp_size += SuppEncoding::static_size * supp_codes.length;
+       }
+     }
+     supp_codes.fini ();
+-- 
+2.31.1
+
diff --git a/meta/recipes-graphics/harfbuzz/harfbuzz_2.8.1.bb b/meta/recipes-graphics/harfbuzz/harfbuzz_2.8.1.bb
index 2353633071..1a0e651f6e 100644
--- a/meta/recipes-graphics/harfbuzz/harfbuzz_2.8.1.bb
+++ b/meta/recipes-graphics/harfbuzz/harfbuzz_2.8.1.bb
@@ -11,6 +11,7 @@ UPSTREAM_CHECK_URI = "https://github.com/${BPN}/${BPN}/releases"
 UPSTREAM_CHECK_REGEX = "harfbuzz-(?P<pver>\d+(\.\d+)+).tar"
 
 SRC_URI = "https://github.com/${BPN}/${BPN}/releases/download/${PV}/${BPN}-${PV}.tar.xz \
+           file://0001-Removed-unused-variable-supp_size-from-plan_subset_e.patch \
            "
 SRC_URI[sha256sum] = "4124f663ec4bf4e294d9cf230668370b4249a48ff34deaf0f06e8fc82d891300"