[Freeciv-Dev] (PR#2355) SDL is included even if it shouldn't be

["Raimar Falke via RT" <rt@xxxxxxxxxxxxxx>]

$ ./autogen.sh
+ checking for autoconf >= 2.52 ... found 2.13, not ok !
+ checking for autoconf >= 2.13 ... found 2.13, ok.
+ checking for automake >= 1.4 ... found 1.4, ok.
+ checking for xgettext >= 0.10.36 ... found 0.10.38, ok.
+ checking for msgfmt >= 0.10.36 ... found 0.10.38, ok.
+ creating acinclude.m4
+ running aclocal ...
+ running autoheader ... 
+ running autoconf ... 
+ running automake ... 
+ removing config.cache ... 
+ running configure ... 
...
checking building ESOUND support... yes
checking for sdl-config... /usr/bin/sdl-config
checking for SDL - version >= 1.0.0... yes
checking for SDL/SDL_mixer.h... no
checking for Mix_OpenAudio in -lSDL_mixer... yes
checking building SDL_mixer support... no, install SDL_mixer first: 
http://www.libsdl.org/projects/SDL_mixer/index.html
checking for gethostbyname... yes
...
silencing po/Makefile
modifying po/Makefile add-comments/escape

Now type 'make' to compile freeciv.

$  grep SDL config.h
/* #undef SDL */
/* SDL_Mixer support */
/* #undef SDL */
$ cd client/
$ make
$ Making all in gui-gtk
make[1]: Wechsel in das Verzeichnis Verzeichnis 
»/mnt/hdb7/hawk/freeciv/clean/client/gui-gtk«
make[1]: Für das Target »all« gibt es nichts zu tun.
make[1]: Verlassen des Verzeichnisses Verzeichnis 
»/mnt/hdb7/hawk/freeciv/clean/client/gui-gtk«
Making all in agents
make[1]: Wechsel in das Verzeichnis Verzeichnis 
»/mnt/hdb7/hawk/freeciv/clean/client/agents«
make[1]: Für das Target »all« gibt es nichts zu tun.
make[1]: Verlassen des Verzeichnisses Verzeichnis 
»/mnt/hdb7/hawk/freeciv/clean/client/agents«
make[1]: Wechsel in das Verzeichnis Verzeichnis 
»/mnt/hdb7/hawk/freeciv/clean/client«
gcc -DHAVE_CONFIG_H -I. -I. -I.. -I./include -I../common -I../intl -I./agents   
   -g -Wall -c audio_sdl.c
audio_sdl.c:21:17: SDL.h: No such file or directory
audio_sdl.c:22:23: SDL_mixer.h: No such file or directory
audio_sdl.c:31: parse error before "Mix_Chunk"
audio_sdl.c:31: warning: no semicolon at end of struct or union
audio_sdl.c:33: parse error before '}' token
...

It shouldn't try to compile audio_sdl.c.

Reason unknown.

        Raimar

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