Show ./configure invocation in crash log.

src/crashlog.cpp

@@ -103,7 +103,8 @@ char *CrashLog::LogOpenTTDVersion(char *buffer, const char *last) const
 			" Bits:       %d\n"
 			" Endian:     %s\n"
 			" Dedicated:  %s\n"
-			" Build date: %s\n\n",
+			" Build date: %s\n"
+			" Configure:  %s\n\n",
 			_openttd_revision,
 			_openttd_revision_modified,
 			_openttd_newgrf_version,
@@ -122,7 +123,8 @@ char *CrashLog::LogOpenTTDVersion(char *buffer, const char *last) const
 #else
 			"no",
 #endif
-			_openttd_build_date
+			_openttd_build_date,
+			_openttd_build_configure
 	);
 }
 

src/rev.cpp.in

@@ -49,6 +49,12 @@ const char _openttd_revision[] = "!!VERSION!!";
  */
 const char _openttd_build_date[] = __DATE__ " " __TIME__;
 
+
+/**
+ * The configure invocation used to build OpenTTD
+ */
+const char _openttd_build_configure[] = "!!CONFIGURE_INVOCATION!!";
+
 /**
  * Let us know if current build was modified. This detection
  * works even in the case when revision string is overridden by

src/rev.h

@@ -14,6 +14,7 @@
 
 extern const char _openttd_revision[];
 extern const char _openttd_build_date[];
+extern const char _openttd_build_configure[];
 extern const byte _openttd_revision_modified;
 extern const uint32 _openttd_newgrf_version;