File reproducible.patch of Package xplatproviders

Index: xplatproviders-1.0.0/build/xplatproviders/GNUmakefile.in
===================================================================
--- xplatproviders-1.0.0.orig/build/xplatproviders/GNUmakefile.in
+++ xplatproviders-1.0.0/build/xplatproviders/GNUmakefile.in
@@ -13,7 +13,7 @@ export SCX_BUILDVERSION_MINOR=0
 export SCX_BUILDVERSION_PATCH=0
 export SCX_BUILDVERSION_BUILDNR=001
 export SCX_BUILDVERSION_DATE=20090426
-export SCX_BUILDVERSION_DATE=$(shell date "+%Y%m%d")
+export SCX_BUILDVERSION_DATE=$(shell date --utc --date="@$${SOURCE_DATE_EPOCH:-$$(date +%s)}" "+%Y%m%d")
 export SCX_BUILDVERSION_STATUS=XPlatProviders_Build
 
 VERSION="$(SCX_BUILDVERSION_MAJOR).$(SCX_BUILDVERSION_MINOR).$(SCX_BUILDVERSION_PATCH)-$(SCX_BUILDVERSION_BUILDNR)"