Mercurial > sdl-ios-xcode
annotate README.Porting @ 4134:31c7c57af8a4 SDL-1.2
Updates for building on Windows CE using mingw32ce cross compiler:
http://sourceforge.net/mailarchive/forum.php?thread_name 0703291652.38437.jwalt%40garni.ch&forum_name=cegcc-devel
Hi!
I just managed to compile SDL for Windows CE using the "mingw32ce"
configuration of http://cegcc.sourceforge.net. Test programs work as expected
(except for those using signals -- no POSIX on mingw32ce), and I didn't yet
encounter any problem.
While it was a pain to get everything compiled and running, the changes to
SDL are actually quite small (see attached SDL-ce.diff).
Unfortunately, the win32 headers shipped with cegcc are not 100% correct, and
it feels quite messy to work around them in SDL code, so those headers will
also need to be patched. (Attachment: win32api-ce.diff)
Since I had to apply the libtool patch from the cegcc patch, I have also ad ded
my copy of aclocal.m4 for SDL. I had to modify the cegcc libtool patch to
use "lt_cv_deplibs_check_method=pass_all" for mingw32ce, otherwise libtool
would not recognize the import libraries as valid for dynamic linking.
All these changes should not affect non-WinCE builds, so they could be
included in mainline SDL.
If you need some docs, you can use this description for a cross-compilation
README:
1) get cegcc from http://cegcc.sourceforge.net
2) build and install the "mingw32ce" variant (see cegcc installation docs)
3) patch w32api-headers (if not yet included in cegcc)
4) setup environment (customize the first three lines as you like):
PREFIX=/opt/mingw32ce
TARGET=arm-wince-mingw32ce
BUILD=`uname -m`-pc-linux-gnu
export PATH="$PREFIX/bin:$PREFIX/$TARGET/bin:$PREFIX/local/bin:$PATH"
export CFLAGS="${CFLAGS:- -O2 -g} -I$PREFIX/local/include"
export CPPFLAGS="${CPPFLAGS:- -O2 -g} -I$PREFIX/local/include"
export CXXFLAGS="${CXXFLAGS:- -O2 -g} -I$PREFIX/local/include"
export LDFLAGS="${LDFLAGS:- -O2 -g} -L$PREFIX/local/lib"
export HOST_CC="gcc"
export CC="$PREFIX/bin/$TARGET-gcc"
export CXX="$PREFIX/bin/$TARGET-g++"
export LD="$PREFIX/bin/$TARGET-ld"
export AS="$PREFIX/bin/$TARGET-as"
export AR="$PREFIX/bin/$TARGET-ar"
export RANLIB="$PREFIX/bin/$TARGET-ranlib"
export CONFIG_SHELL="/bin/sh"
5) build and install
./configure --target=$TARGET --host=$TARGET --build=$BUILD
make
make install
6) use (4) and (5) for any SDL-using software you want to cross-compile
7) copy $PREFIX/local/bin/SDL-1-2-0.dll into your executable directory on the WinCE machine
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 03 Jan 2008 06:19:07 +0000 |
parents | b2b476a4a73c |
children | 103760c3a5dc |
rev | line source |
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1 |
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2 * Porting To A New Platform |
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3 |
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4 The first thing you have to do when porting to a new platform, is look at |
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5 include/SDL_platform.h and create an entry there for your operating system. |
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6 The standard format is __PLATFORM__, where PLATFORM is the name of the OS. |
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7 Ideally SDL_platform.h will be able to auto-detect the system it's building |
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8 on based on C preprocessor symbols. |
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9 |
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10 There are two basic ways of building SDL at the moment: |
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11 |
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12 1. The "UNIX" way: ./configure; make; make install |
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13 |
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14 If you have a GNUish system, then you might try this. Edit configure.in, |
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15 take a look at the large section labelled: |
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16 "Set up the configuration based on the target platform!" |
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17 Add a section for your platform, and then re-run autogen.sh and build! |
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18 |
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19 2. Using an IDE: |
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20 |
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21 If you're using an IDE or other non-configure build system, you'll probably |
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22 want to create a custom SDL_config.h for your platform. Edit SDL_config.h, |
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23 add a section for your platform, and create a custom SDL_config_{platform}.h, |
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24 based on SDL_config.h.minimal and SDL_config.h.in |
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25 |
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26 Add the top level include directory to the header search path, and then add |
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27 the following sources to the project: |
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28 src/*.c |
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29 src/audio/*.c |
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30 src/cdrom/*.c |
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31 src/cpuinfo/*.c |
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32 src/events/*.c |
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33 src/file/*.c |
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34 src/joystick/*.c |
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35 src/stdlib/*.c |
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36 src/thread/*.c |
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37 src/timer/*.c |
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38 src/video/*.c |
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39 src/audio/disk/*.c |
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40 src/video/dummy/*.c |
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41 src/joystick/dummy/*.c |
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42 src/cdrom/dummy/*.c |
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43 src/thread/generic/*.c |
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44 src/timer/dummy/*.c |
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45 src/loadso/dummy/*.c |
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46 |
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48 Once you have a working library without any drivers, you can go back to each |
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49 of the major subsystems and start implementing drivers for your platform. |
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50 |
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51 If you have any questions, don't hesitate to ask on the SDL mailing list: |
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52 http://www.libsdl.org/mailing-list.php |
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53 |
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54 Enjoy! |
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55 Sam Lantinga (slouken@libsdl.org) |
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56 |