alpine: try to make reproducible

Signed-off-by: Rosen Penev <rosenp@gmail.com>

mail/alpine/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=alpine
 PKG_VERSION:=2.24
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=http://alpine.x10host.com/alpine/release/src

mail/alpine/patches/020-reproducible.patch

@@ -0,0 +1,18 @@
+--- a/pico/blddate.c
++++ b/pico/blddate.c
+@@ -28,6 +28,7 @@ main(argc, argv)
+ 	exit(1);
+     }
+ 
++/*
+     time(&ltime);
+     t = localtime(&ltime);
+     fprintf(outfile,"char datestamp[]=\"%02d-%s-%d\";\n", t->tm_mday, 
+@@ -46,6 +47,7 @@ main(argc, argv)
+ 	    1900 + t->tm_year);
+ 
+     fprintf(outfile, "char hoststamp[]=\"random-pc\";\n");
++*/
+     fprintf(outfile, "char configoptions[] = \"\";\n");
+ 
+     fclose(outfile);