Moved all system includes into system.hh; added support for using system.hh as a pre-compiled header

system.hh

@@ -0,0 +1,86 @@
+#ifndef _SYSTEM_HH
+#define _SYSTEM_HH
+
+/**
+ * @file   system.hh
+ * @author John Wiegley
+ * @date   Mon Apr 23 03:43:05 2007
+ * 
+ * @brief  All system headers needed by Ledger.
+ *
+ * These are collected here so that a pre-compiled header can be made.
+ * Unless configure is rerun with different options, it should never
+ * need to be regenerated afterwards.
+ */
+
+#include "acconf.h"
+
+#if defined(__GNUG__) && __GNUG__ < 3
+#define _XOPEN_SOURCE
+#endif
+
+#include <algorithm>
+#include <exception>
+#include <fstream>
+#include <iostream>
+#include <iterator>
+#include <list>
+#include <map>
+#include <memory>
+#include <new>
+#include <sstream>
+#include <stack>
+#include <streambuf>
+#include <string>
+#include <vector>
+
+#include <cassert>
+#include <cctype>
+#include <cstdarg>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <ctime>
+
+#include <sys/stat.h>
+
+#ifdef HAVE_UNIX_PIPES
+#include <sys/types.h>
+#include <sys/wait.h>
+#include "fdstream.hpp"
+#endif
+
+#ifdef WIN32
+#include <io.h>
+#else
+#include <unistd.h>
+#endif
+
+#if defined(HAVE_GETPWUID) || defined(HAVE_GETPWNAM)
+#include <pwd.h>
+#endif
+
+#if defined(HAVE_NL_LANGINFO)
+#include <langinfo.h>
+#endif
+
+#include <gmp.h>
+
+#define HAVE_GDTOA 1
+#ifdef HAVE_GDTOA
+#include "gdtoa/gdtoa.h"
+#endif
+
+extern "C" {
+#if defined(HAVE_EXPAT)
+#include <expat.h>		// expat XML parser
+#elif defined(HAVE_XMLPARSE)
+#include <xmlparse.h>		// expat XML parser
+#endif
+}
+
+#if defined(HAVE_LIBOFX)
+#include <libofx.h>
+#endif
+
+#endif // _SYSTEM_HH

utils.h

@@ -0,0 +1,24 @@
+#ifndef _UTILS_H
+#define _UTILS_H
+
+#include <system.hh>
+
+// jww (2007-04-23): Need to clean up the following include files.  I
+// want to following services:
+//
+//   error reporting via exceptions
+//   error context stack and display (copy-by-value)
+//   logging (always on, but with user-settable levels)
+//   assert (always on, unless the users asks for them off)
+//   timing of critical areas (and warning on variance from expectation)
+//   debugging (optionally on)
+//   verification (optionally on, like debugging but silent)
+//   memory tracing and debugging (and watching for threshholds)
+
+#include "trace.h"
+#include "debug.h"
+#include "timing.h"
+#include "error.h"
+#include "util.h"
+
+#endif // _UTILS_H