X devel libs problem?

[Louis Garcia II]

On Sun, 2006-08-13 at 00:26 -0400, Mike A. Harris wrote:
> On Sat, 2006-08-12 at 23:29 -0400, Louis Garcia II wrote:
> > Compiling gst-ffmpeg-0.10.1 on FC6 I ran into this:
> > 
> > gcc -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
> > -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i386
> > -mtune=generic -fasynchronous-unwind-tables -Wall -Wno-switch -o ffplay
> > ffplay-cmdutils.o ffplay-ffplay.o  -L/usr/lib -lSDL -lpthread
> > libavutil/.libs/libavutil.a libavformat/.libs/libavformat.a -ldl
> > libavcodec/.libs/libavcodec.a -lz -lm
> > ffplay-ffplay.o: In function `main':
> > /usr/src/redhat/BUILD/gst-ffmpeg-0.10.1/gst-libs/ext/ffmpeg/ffplay.c:2451: undefined reference to `XOpenDisplay'
> > /usr/src/redhat/BUILD/gst-ffmpeg-0.10.1/gst-libs/ext/ffmpeg/ffplay.c:2455: undefined reference to `XCloseDisplay'
> > collect2: ld returned 1 exit status
> > make[7]: *** [ffplay] Error 1
> > 
> > I do have libX11-devel installed but somehow it's not picking it up.
> > Might this package be screwed up? Don't know if this is an X bug or this
> > particular package.
> > 
> > -Louis
> 
> "-lX11" is notably missing from the above gcc invocation, so
> libX11 is not getting linked in.

So is this a gcc bug?

-Louis