Mercurial > projects > ldc
view lphobos/std/system.d @ 1052:12ea38902e83
Add '-singleobj' command line switch that will tell LDC to link LLVM modules internally and only emit a single object file.
The switch allows the optimizer and inliner to run on all modules at once and opens the door for template instantiation improvements that should lower compile time and executable size.
author | Christian Kamm <kamm incasoftware de> |
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date | Sat, 07 Mar 2009 19:38:00 +0100 |
parents | 373489eeaf90 |
children |
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// Written in the D programming language /** * Information about the target operating system, environment, and CPU * Authors: Walter Bright, www.digitalmars.com * License: Public Domain * Macros: * WIKI = Phobos/StdSystem */ /* NOTE: This file has been patched from the original DMD distribution to work with the GDC compiler. Modified by David Friedman, September 2007 */ // Information about the target operating system, environment, and CPU module std.system; const { // Operating system family enum Family { Win32 = 1, // Microsoft 32 bit Windows systems linux, // all linux systems Unix, // Unix-like NoSystem // No operating system } version (Win32) { Family family = Family.Win32; } else version (linux) { Family family = Family.linux; } else version (Unix) { Family family = Family.Unix; } else version (NoSystem) { Family family = Family.NoSystem; } else { static assert(0); } // More specific operating system name enum OS { Windows95 = 1, Windows98, WindowsME, WindowsNT, Windows2000, WindowsXP, RedHatLinux, } /// Byte order endianness enum Endian { BigEndian, /// big endian byte order LittleEndian /// little endian byte order } version(LittleEndian) { /// Native system endianness Endian endian = Endian.LittleEndian; } else { Endian endian = Endian.BigEndian; } } // The rest should get filled in dynamically at runtime OS os = OS.WindowsXP; // Operating system version as in // os_major.os_minor uint os_major = 4; uint os_minor = 0;