[OE-core] [PATCH] harfbuzz: remove stale pkg.m4

[Ross Burton]

harfbuzz shipped an old pkg.m4 which overruled the pkg.m4 from the sysroot.
This is now fixed upstream, but until another release is made delete it from the
source tree.

Signed-off-by: Ross Burton <ross.burton at intel.com>
---
 meta/recipes-graphics/harfbuzz/harfbuzz_1.8.8.bb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/meta/recipes-graphics/harfbuzz/harfbuzz_1.8.8.bb b/meta/recipes-graphics/harfbuzz/harfbuzz_1.8.8.bb
index f41db989c70..b904d935317 100644
--- a/meta/recipes-graphics/harfbuzz/harfbuzz_1.8.8.bb
+++ b/meta/recipes-graphics/harfbuzz/harfbuzz_1.8.8.bb
@@ -27,6 +27,12 @@ EXTRA_OECONF = " \
     --without-graphite2 \
 "
 
+do_configure_prepend() {
+    # This is ancient and can get used instead of the patched one we ship,
+    # so delete it. In 1.8.9 this should be removed upstream.
+    rm -f ${S}/m4/pkg.m4
+}
+
 PACKAGES =+ "${PN}-icu ${PN}-icu-dev"
 
 LEAD_SONAME = "libharfbuzz.so"
-- 
2.11.0