zip: Remove build date to improve reproducibility

Applies a patch from Debian to remove the build date from zip.

(From OE-Core rev: 222d485e4eb789307093d57cb3c8d373c2e695b8)

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/zip/zip-3.0/10-remove-build-date.patch

@@ -0,0 +1,19 @@
+From: Santiago Vila <sanvila@debian.org>
+Subject: Remove (optional) build date to make the build reproducible
+Bug-Debian: http://bugs.debian.org/779042
+
+Upstream-Status: Inappropriate [no upstream]
+
+Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
+
+--- a/unix/unix.c
++++ b/unix/unix.c
+@@ -1020,7 +1020,7 @@
+ 
+ 
+ /* Define the compile date string */
+-#ifdef __DATE__
++#if 0
+ #  define COMPILE_DATE " on " __DATE__
+ #else
+ #  define COMPILE_DATE ""

meta/recipes-extended/zip/zip_3.0.bb

@@ -10,7 +10,9 @@ PR = "r2"
 S = "${WORKDIR}/zip30"
 
 SRC_URI = "${SOURCEFORGE_MIRROR}/infozip/Zip%203.x%20%28latest%29/3.0/zip30.tar.gz \
-           file://fix-security-format.patch"
+           file://fix-security-format.patch \
+           file://10-remove-build-date.patch \
+           "
 UPSTREAM_VERSION_UNKNOWN = "1"
 
 SRC_URI[md5sum] = "7b74551e63f8ee6aab6fbc86676c0d37"