build: Get rid of CLIENT_DATE

Putting the build date in the executable is a practice that has no place
in these days, now that deterministic building is increasingly common.

Continues bitcoin#7732 which did this for the GUI.

share/genbuild.sh

@@ -15,7 +15,6 @@ fi
 
 DESC=""
 SUFFIX=""
-LAST_COMMIT_DATE=""
 if [ -e "$(which git 2>/dev/null)" -a "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ]; then
     # clean 'dirty' status of touched files that haven't been modified
     git diff >/dev/null 2>/dev/null 
@@ -29,9 +28,6 @@ if [ -e "$(which git 2>/dev/null)" -a "$(git rev-parse --is-inside-work-tree 2>/
     # otherwise generate suffix from git, i.e. string like "59887e8-dirty"
     SUFFIX=$(git rev-parse --short HEAD)
     git diff-index --quiet HEAD -- || SUFFIX="$SUFFIX-dirty"
-
-    # get a string like "2012-04-10 16:27:19 +0200"
-    LAST_COMMIT_DATE="$(git log -n 1 --format="%ci")"
 fi
 
 if [ -n "$DESC" ]; then
@@ -45,7 +41,4 @@ fi
 # only update build.h if necessary
 if [ "$INFO" != "$NEWINFO" ]; then
     echo "$NEWINFO" >"$FILE"
-    if [ -n "$LAST_COMMIT_DATE" ]; then
-        echo "#define BUILD_DATE \"$LAST_COMMIT_DATE\"" >> "$FILE"
-    fi
 fi

src/clientversion.cpp

@@ -67,16 +67,7 @@ const std::string CLIENT_NAME("Satoshi");
 #endif
 #endif
 
-#ifndef BUILD_DATE
-#ifdef GIT_COMMIT_DATE
-#define BUILD_DATE GIT_COMMIT_DATE
-#else
-#define BUILD_DATE __DATE__ ", " __TIME__
-#endif
-#endif
-
 const std::string CLIENT_BUILD(BUILD_DESC CLIENT_VERSION_SUFFIX);
-const std::string CLIENT_DATE(BUILD_DATE);
 
 static std::string FormatVersion(int nVersion)
 {

src/clientversion.h

@@ -59,7 +59,6 @@ static const int CLIENT_VERSION =
 
 extern const std::string CLIENT_NAME;
 extern const std::string CLIENT_BUILD;
-extern const std::string CLIENT_DATE;
 
 
 std::string FormatFullVersion();

src/init.cpp

@@ -757,7 +757,7 @@ void InitLogging()
     fLogIPs = GetBoolArg("-logips", DEFAULT_LOGIPS);
 
     LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
-    LogPrintf("Bitcoin version %s (%s)\n", FormatFullVersion(), CLIENT_DATE);
+    LogPrintf("Bitcoin version %s\n", FormatFullVersion());
 }
 
 /** Initialize bitcoin.

src/wallet/rpcdump.cpp

@@ -485,7 +485,7 @@ UniValue dumpwallet(const UniValue& params, bool fHelp)
     std::sort(vKeyBirth.begin(), vKeyBirth.end());
 
     // produce output
-    file << strprintf("# Wallet dump created by Bitcoin %s (%s)\n", CLIENT_BUILD, CLIENT_DATE);
+    file << strprintf("# Wallet dump created by Bitcoin %s\n", CLIENT_BUILD);
     file << strprintf("# * Created on %s\n", EncodeDumpTime(GetTime()));
     file << strprintf("# * Best block at time of backup was %i (%s),\n", chainActive.Height(), chainActive.Tip()->GetBlockHash().ToString());
     file << strprintf("#   mined on %s\n", EncodeDumpTime(chainActive.Tip()->GetBlockTime()));