Things needed for compilation.

SDL
The Simple DirectMedia Library available at http://www.libsdl.org
The dll distributed with the windows version of DOSBox is slightly
modified. You can find the changes in the sourcepackage of DOSBox
(src/platform/sdl-win32.diff). If you want the patched sourcetree
send us an email. (see README)
Licensed under LGPL

Curses (optional)
If you want to enable the debugger you need a curses library.
ncurses should be installed on just about every unix distro.
For win32 get pdcurses at http://pdcurses.sourceforge.net
License: Open source

Libpng (optional)
Needed for the screenshots.
For win32 get libpng from http://gnuwin32.sourceforge.net/packages.html
See http://www.libpng.org/pub/png/ for more details.
License: Open Source

Zlib (optional)
Needed by libpng.
For win32 get libz (rename to zlib) from http://gnuwin32.sourceforge.net/packages.html
See http://www.zlib.net for more details.
License: Open Source

SDL_Net (optional)
For modem/ipx support. Get it from http://www.libsdl.org/projects/SDL_net/
Licensed under LGPL

SDL_Sound
For compressed audio on diskimages. (optional)
This is for cue/bin cdrom images with compressed (mp3/ogg) audio tracks.
Get it from http://icculus.org/SDL_sound
Licenced under LGPL

ALSA_Headers
(optional)
for Alsa support under linux. Part of the linux kernel sources
Licensed under LGPL

If you want compile from the CVS under a unix system, you'll also need
automake (>=1.6), autoconf(>=2.50). Should be available at http://www.gnu.org

For building on unix systems.
If you are building from the cvs run ./autogen.sh first before doing the following.

1. ./configure
2. make

In step 1 you could add the following switches:
--enable-debug
enables the internal debugger. --enable-debug=heavy enables even more
debug options. Dosbox should then be run from a xterm and when the sdl-
window is active press alt-pause to enter the debugger.

--enable-core-inline
enables some memory increasing inlines. This greatly increases
compiletime for maybe a increase in speed.

--disable-fpu
disables the emulated fpu. Although the fpu emulation code isn't
finished and isn't entirely accurate it's advised to leave it on.

--disable-fpu-x86
disables the assembly fpu core. Although relatively new the x86 fpu
core has more accuracy then the regular fpu core.

--disable-dynamic-x86
disables the dynamic x86 specific cpu core. Although it might be
be a bit unstable, it can greatly improve the speed of dosbox on x86
hosts.
Please note that this option on x86 will result in a different
dynamic/recompiling cpu core being compiled then the default.
For more information see the option --disable-dynrec

--disable-dynrec
disables the recompiling cpu core. Currently x86 and x86_64 only.
You can activate this core on x86 by disabling the dynamic-x86 core.

--disable-dynamic-core
disables all dynamic cores. (same effect as
--disable-dynamic-x86 --disable-dynrec)

--disable-unaligned-memory
disables unaligned memory access.

Check the src subdir for the binary.

NOTE: If capslock and numlock appear to be broken. open
src/ints/bios_keyboard.cpp and go to line 30 and read there how to fix it.


Build instructions for VC++6
Don't use VC++ 6:it creates faulty code in core_normal.cpp





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