Home > God Damnit Linux, Jake B, Linux from Scratch > LFS, pre-KDE: Fixing libmng with -fPIC and xine with a header

LFS, pre-KDE: Fixing libmng with -fPIC and xine with a header

Fixing libmng with -fPIC

In preparation for getting KDE4 (and Qt4, and all the other dependencies) working with my Linux from Scratch install, I noticed an issue when compiling libmng:

/usr/bin/ld: libmng_chunk_io.o: relocation R_X86_64_32 against `.rodata' can not be used when making a shared object; recompile with -fPIC
libmng_chunk_io.o: could not read symbols: Bad valuecollect2: ld returned 1 exit status
make: *** [libmng.so.1.1.0.9] Error 1

To fix this, you’ll have to edit the makefile in /sources/libmng-1.0.10/makefiles/makefile.linux as per this osdir mailing list thread. Line 47 currently reads:

FLAGS=-I$(ZLIBINC) -I$(JPEGINC) -I$(LCMSINC) -Wall -O3 -funroll-loops \

Add the -fPIC flag instead:

FLAGS=-I$(ZLIBINC) -I$(JPEGINC) -I$(LCMSINC) -Wall -O3 -fPIC -funroll-loops \

Then change back to /sources/libmng-1.0.10 and run make clean; cp makefiles/makefile.linux Makefile && make to successfully compile the library.

And Xine

Xine appears to be missing a header, causing an xmcc compilation error. Check out the original solution and add the line with the + where indicated:

Index: src/video_out/xxmc.h
src/video_out/xxmc.h 2011-01-23 17:55:01.333928003 +0100
+++ src/video_out/xxmc.h 2011-01-23 17:54:48.509926463 +0100
@@ -79,6 +79,7 @@
#include <X11/extensions/Xvlib.h>
#ifdef HAVE_VLDXVMC
#include <X11/extensions/vldXvMC.h>
+ #include <X11/extensions/XvMClib.h>
#else
#include <X11/extensions/XvMClib.h>
#include <X11/extensions/XvMC.h>




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