Mercurial > sdl-ios-xcode
annotate test/testloadso.c @ 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 | f1699aecb65d |
children | 2c835d58faad |
rev | line source |
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1 |
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2 /* Test program to test dynamic loading with the loadso subsystem. |
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3 */ |
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4 |
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5 #include <stdio.h> |
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6 #include <stdlib.h> |
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7 |
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8 #include "SDL.h" |
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9 |
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10 typedef int (*fntype)(const char *); |
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11 |
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12 int main(int argc, char *argv[]) |
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13 { |
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14 int retval = 0; |
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15 int hello = 0; |
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16 const char *libname = NULL; |
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17 const char *symname = NULL; |
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18 void *lib = NULL; |
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19 fntype fn = NULL; |
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20 |
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21 if (argc != 3) { |
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22 const char *app = argv[0]; |
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23 fprintf(stderr, "USAGE: %s <library> <functionname>\n", app); |
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24 fprintf(stderr, " %s --hello <lib with puts()>\n", app); |
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25 return 1; |
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26 } |
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27 |
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28 /* Initialize SDL */ |
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29 if ( SDL_Init(0) < 0 ) { |
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30 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); |
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31 return 2; |
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32 } |
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33 |
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34 if (strcmp(argv[1], "--hello") == 0) { |
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35 hello = 1; |
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36 libname = argv[2]; |
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37 symname = "puts"; |
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38 } else { |
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39 libname = argv[1]; |
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40 symname = argv[2]; |
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41 } |
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42 |
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43 lib = SDL_LoadObject(libname); |
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44 if (lib == NULL) { |
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45 fprintf(stderr, "SDL_LoadObject('%s') failed: %s\n", |
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46 libname, SDL_GetError()); |
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47 retval = 3; |
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48 } else { |
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49 fn = (fntype) SDL_LoadFunction(lib, symname); |
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50 if (fn == NULL) { |
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51 fprintf(stderr, "SDL_LoadFunction('%s') failed: %s\n", |
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52 symname, SDL_GetError()); |
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53 retval = 4; |
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54 } else { |
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55 printf("Found %s in %s at %p\n", symname, libname, fn); |
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56 if (hello) { |
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57 printf("Calling function...\n"); |
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58 fflush(stdout); |
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59 fn(" HELLO, WORLD!\n"); |
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60 printf("...apparently, we survived. :)\n"); |
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61 printf("Unloading library...\n"); |
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62 fflush(stdout); |
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63 } |
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64 } |
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65 SDL_UnloadObject(lib); |
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66 } |
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67 SDL_Quit(); |
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68 return(0); |
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69 } |
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70 |
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71 |