Tank you for supporting me
Regards
Martin
> Gesendet: Sonntag, 15. Dezember 2019 um 13:03 Uhr
> Von: "Kevin Kofler" <kevin.kof...@chello.at>
> An: rpmfusion-developers@lists.rpmfusion.org
> Betreff: Re: Aw: xine_sxfe_frontend.c:1865: undefined reference to
> `glXQueryVersion'
> Martin Gansser wrote:
>> f31 [1]:
>> Checking for pkg-config opengl ... no
>> Checking for opengl ... yes
>> adding -lGL to LIBS_X11
>> adding -lGLU to LIBS_X11
>>
>> f32[2]:
>> Checking for pkg-config opengl ... adding -lOpenGL to LIBS_X11
>> yes
>
> So the issue is the use of pkg-config opengl. That new pkg-config module
> does not do what the code (in the handwritten configure) actually expects.
> Up to F31, there was no "opengl" pkg-config file at all, so the code falled
> back to the hardcoded list of libraries, but on F32, there is no an "opengl"
> pkg-config file, and it returns -lOpenGL, not -lGL -lGLU.
>
> The problem is that the handwritten configure script invokes this function:
>
> test_library(){
> subsys="$1"
> libname="$2"
> hdr="$3"
> lib="$4"
> func="$5"
> inc="$6"
> feature=$(toupper $libname)
>
> # do not test if disabled from command-line
> if disabled $feature; then
> log "Not checking for $libname"
> disable $feature
> return 1
> fi
>
> disable $feature
>
> # try pkg-config first
> if enabled pkgconfig; then
> test_library_pc "$subsys" "$libname" && enable "$feature"
> fi
>
> # compile/link test as fallback
> if disabled $feature; then
> test_library_c "$subsys" "$libname" "$hdr" "$lib" "$func" "$inc" &&
> enable $feature
> fi
> }
>
> (contained in the script) as follows (line 404, I compacted the spaces):
>
> test_library X11 opengl "GL/glx.h" "-lGL -lGLU" "glXQueryVersion(0,0,0)"
>
> Changing that to:
>
> test_library X11 OpenGL "GL/glx.h" "-lGL -lGLU" "glXQueryVersion(0,0,0)"
>
> (i.e., s/opengl/OpenGL/ in that line) should fix it, because then it will
> look for an OpenGL pkg-config module instead, hopefully not find one
> (because pkg-config is case-sensitive), and then use the "-lGL -lGLU" flags
> instead.
>
> The second argument of test_library is only used 1. as the pkg-config module
> name, 2. for the console output, and 3. fully upper-cased as the feature
> name, so it should be safe to change the case to something that does not
> happen to be the name of a wrong pkg-config module (while still mapping to
> the feature name OPENGL).
>
> Kevin Kofler
> _______________________________________________
> rpmfusion-developers mailing list -- rpmfusion-developers@lists.rpmfusion.org
> To unsubscribe send an email to rpmfusion-developers-le...@lists.rpmfusion.org
_______________________________________________
rpmfusion-developers mailing list -- rpmfusion-developers@lists.rpmfusion.org
To unsubscribe send an email to rpmfusion-developers-le...@lists.rpmfusion.org
