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New: SDL-dfb does not select directfb

Buildroot bugzilla at busybox.net 1 participant 4 messages Oct 27, 2009 – Nov 22, 2009

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#0 lore raw

https://bugs.busybox.net/show_bug.cgi?id=683

Summary: SDL-dfb does not select directfb
Product: buildroot
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Keywords: patch
Severity: normal
Priority: P5
Component: Other
AssignedTo: unassigned at buildroot.uclibc.org
ReportedBy: damien.courousse.logica at gmail.com
CC: buildroot at uclibc.org
Estimated Hours: 0.0

Hello,

I got a compilation error with SDL-dfb selected while directfb was not selected. The compilation reported something like:

(...)

o
./src/video/directfb/SDL_DirectFB_events.c:32:22: error: directfb.h: No such file or directory
In file included from ./src/video/directfb/SDL_DirectFB_events.c:38:
./src/video/directfb/SDL_DirectFB_video.h:40: error: expected specifier-qualifier-list before 'IDirectFB' ./src/video/directfb/SDL_DirectFB_video.h:60: error: expected declaration specifiers or '...' before 'DFBResult' ./src/video/directfb/SDL_DirectFB_events.c:43: error: expected ')' before '*' token
./src/video/directfb/SDL_DirectFB_events.c:44: error: expected ')' before '*' token
./src/video/directfb/SDL_DirectFB_events.c: In function 'DirectFB_PumpEvents':
./src/video/directfb/SDL_DirectFB_events.c:51: error: 'DFBInputEvent' undeclared (first use in this function) ./src/video/directfb/SDL_DirectFB_events.c:51: error: (Each undeclared identifier is reported only once ./src/video/directfb/SDL_DirectFB_events.c:51: error: for each function it appears in.)
./src/video/directfb/SDL_DirectFB_events.c:51: error: expected ';' before 'evt' ./src/video/directfb/SDL_DirectFB_events.c:53: error: 'struct SDL_PrivateVideoData' has no member named 'eventbuffer' ./src/video/directfb/SDL_DirectFB_events.c:53: error: 'struct SDL_PrivateVideoData' has no member named 'eventbuffer' ./src/video/directfb/SDL_DirectFB_events.c:54: error: 'evt' undeclared (first use in this function) ./src/video/directfb/SDL_DirectFB_events.c:54: error: 'DFB_OK' undeclared (first use in this function) ./src/video/directfb/SDL_DirectFB_events.c:60: error: 'DIET_BUTTONPRESS' undeclared (first use in this function) ./src/video/directfb/SDL_DirectFB_events.c:64: error: 'DIET_BUTTONRELEASE' undeclared (first use in this function) ./src/video/directfb/SDL_DirectFB_events.c:68: error: 'DIET_KEYPRESS' undeclared (first use in this function)
(...)

Hence I think BR2_PACKAGE_SDL_DIRECTFB should select BR2_PACKAGE_DIRECTFB :

package/sdl/Config.in +1 -0
index 7cba524..ae8b597 100644
@@ -13,6 +13,7 @@ config BR2_PACKAGE_SDL_FBCON
 
 config BR2_PACKAGE_SDL_DIRECTFB
        bool "SDL DirectFB video driver"
+       select BR2_PACKAGE_DIRECTFB
 
 config BR2_PACKAGE_SDL_QTOPIA
        bool "SDL Qtopia video driver"

Cheers,
Damien

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#1 lore raw

[Buildroot] [Bug 683] SDL-dfb does not select directfb

https://bugs.busybox.net/show_bug.cgi?id=683

--- Comment #1 from Thomas Petazzoni <[email protected]> 2009-10-27 16:01:49 UTC --- Thanks Damien for reporting the issue.

I'm wondering whether we should use a select as you suggested, or a depends on. We usually use "select" so that the user doesn't need to care about missing dependencies. But in the case of DirectFB, many things can (and should ?) be configured at the DirectFB level, so I'm not sure that selecting DirectFB behind the user's back is good.

something like:

config BR2_PACKAGE_SDL_DIRECTFB
bool "SDL DirectFB video driver"
+ depends on BR2_PACKAGE_DIRECTFB

+ comment "sdl-dfb requires directfb support"
+ depends on !BR2_PACKAGE_DIRECTFB

Peter, your opinion on this ?

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#2 lore raw

[Buildroot] [Bug 683] SDL-dfb does not select directfb

In reply to bugzilla at busybox.net

https://bugs.busybox.net/show_bug.cgi?id=683

--- Comment #2 from Peter Korsgaard <[email protected]> 2009-10-27 16:28:28 UTC --- (In reply to comment #1)

Quoted 17 lines

Thanks Damien for reporting the issue.

I'm wondering whether we should use a select as you suggested, or a depends on. We usually use "select" so that the user doesn't need to care about missing dependencies. But in the case of DirectFB, many things can (and should ?) be configured at the DirectFB level, so I'm not sure that selecting DirectFB behind the user's back is good.

something like:

config BR2_PACKAGE_SDL_DIRECTFB
bool "SDL DirectFB video driver"

(quoted diff) +3 -0
+       depends on BR2_PACKAGE_DIRECTFB
 
+ comment "sdl-dfb requires directfb support"
+        depends on !BR2_PACKAGE_DIRECTFB
Quoted 1 line

Peter, your opinion on this ?

We should imho use depends on (and also for the qt/x11 backends) similar to how it is done for E.G. libgtk2.

Notice that the dependencies in the makefile are likewise missing.

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#3 lore raw

[Buildroot] [Bug 683] SDL-dfb does not select directfb

In reply to bugzilla at busybox.net

https://bugs.busybox.net/show_bug.cgi?id=683

Peter Korsgaard <[email protected]> changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #3 from Peter Korsgaard <[email protected]> 2009-11-22 20:04:47 UTC --- Thanks, fixed in git (351b67960)

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