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Bug 2116

Summary: Compile fails due to error in SDL_evdev.c
Product: SDL Reporter: Joe LeVeque <joeleveque>
Component: *don't know*Assignee: Gabriel Jacobo <gabomdq>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: blocker    
Priority: P2 CC: gabomdq
Version: HG 2.1   
Hardware: All   
OS: Linux   

Description Joe LeVeque 2013-09-28 18:11:04 UTC 
There appears to be a copy/paste error at line 58 of SDL_evdev.c that causes the compile to fail.

The line:

static int SDL_EVDEV_device_added(const SDL_UDEV_deviceclass devclass, const char *devpath);

should probably read:

static int SDL_EVDEV_device_added(const SDL_EVDEV_deviceclass devclass, const char *devpath);
Comment 1 Joe LeVeque 2013-09-28 18:21:24 UTC 
I posted this bug before looking into it very far. It appears not to be a copy/paste error because it is not only one line that presents this error, but many. It appears to be the case that if HAVE_LIBUDEV_H is not defined, SDL_UDEV_deviceclass is not defined, but SDL_evdev.c relies on it. The error is as follows:

SDL_evdev.c:58:1: error: unknown type name 'SDL_UDEV_deviceclass'
Comment 2 Gabriel Jacobo 2013-09-28 18:50:12 UTC 
Let me know if this fixes it: http://hg.libsdl.org/SDL/rev/f06772125578

Thanks!
Comment 3 Joe LeVeque 2013-09-28 19:24:24 UTC 
Looks like that took care of it.

Thanks for the prompt fix!
Comment 4 Joe LeVeque 2013-09-28 20:12:36 UTC 
I believe this is related. Now when compiling SDL2_mixer, the configure script fails when trying to link against SDL2 with the following error:

test.c  -L/usr/local/lib -Wl,-rpath,/usr/local/lib -lSDL2 -lpthread >&5
/usr/local/lib/libSDL2.so: undefined reference to `SDL_EVDEV_device_removed'
collect2: error: ld returned 1 exit status
configure:11530: $? = 1
configure: program exited with status 1

It appears that SDL_EVDEV_device_removed() is called at line 383 of SDL_evdev.c and is not enclosed within an "#if SDL_USE_LIBUDEV", hence the error.
Comment 5 Gabriel Jacobo 2013-09-28 22:18:15 UTC 
Fixed: http://hg.libsdl.org/SDL/rev/0d425d6327d8