File reproducible.patch of Package gsoap

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File reproducible.patch of Package gsoap

Allow to override build date

Without this patch, virtualbox gsoapH_from_gsoap.h file and resulting .so
files (via NT_GNU_BUILD_ID) always differed between builds

See https://reproducible-builds.org/ for why this is good
and https://reproducible-builds.org/specs/source-date-epoch/
for the definition of this variable.

Index: gsoap-2.8.40/gsoap/wsdl/service.cpp
===================================================================
--- gsoap-2.8.40.orig/gsoap/wsdl/service.cpp
+++ gsoap-2.8.40/gsoap/wsdl/service.cpp
@@ -4034,9 +4034,18 @@ static void banner(const char *text1, co
     fprintf(stderr, "\n----<< %s: %s >>----\n\n", text1, text2 ? text2 : "");
 }
 
+static time_t reproducible_time()
+{
+  time_t t;
+  const char *source_date_epoch = getenv("SOURCE_DATE_EPOCH");
+  if (source_date_epoch == NULL || (t = (time_t)strtoll(source_date_epoch, NULL, 10)) <= 0)
+    t = time(NULL);
+  return t;
+}
+
 static void ident()
 {
-  time_t t = time(NULL), *p = &t;
+  time_t t = reproducible_time(), *p = &t;
   char tmp[256];
   int i;
   strftime(tmp, 256, "%Y-%m-%d %H:%M:%S GMT", gmtime(p));

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File reproducible.patch of Package gsoap

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