component/libreoffice-bin: adjust rpath with patchelf WIP

Instead of relying on wrapper script, modify the binary to add the
necessary rpath

component/libreoffice-bin/buildout.cfg

@@ -2,7 +2,14 @@
 extends =
   ../cpio/buildout.cfg
   ../rpm2cpio/buildout.cfg
-
+  ../cups/buildout.cfg
+  ../dbus/buildout.cfg
+  ../gtk-2/buildout.cfg
+  ../xorg/buildout.cfg
+  ../fontconfig/buildout.cfg
+  ../util-linux/buildout.cfg
+  ../patchelf/buildout.cfg
+  ../defaults.cfg
 parts =
   libreoffice-bin
 
@@ -20,6 +27,8 @@ officedir = libreoffice5.2
 install =
   import os
   import sys
+  import glob
+  import subprocess
   ARCH_DIR_MAP = { 'x86': 'x86', 'x86-64': 'x86_64' }
   platform = guessPlatform()
   url = options['url'] % (ARCH_DIR_MAP[platform], platform)
@@ -42,6 +51,52 @@ install =
   os.mkdir(os.path.join(location, 'basis-link'))
   os.symlink(os.path.join('..', 'program'),
              os.path.join(location, 'basis-link', 'program'))
+  
+  # ajust rpath on executables (but not on scripts)
+  rpath = '%s:%s' % (os.path.join(location, 'program'), ':'.join(p.strip() for p in '''${:rpath}'''.splitlines()))
+  scripts = { 'gengal', 'libpython3.5m.so-gdb.py', 'python', 'sbase', 'scalc', 'sdraw', 'senddoc', 'simpress', 'smath', 'soffice', 'swriter', 'uno', 'unoinfo', 'unopkg', 'unpack_update', }
+  for binary in glob.glob(os.path.join(location, 'program', '*')):
+    if os.path.isfile(binary) and os.access(binary, os.X_OK) and os.path.basename(binary) not in scripts:
+      print("Adjusting rpath on", binary)
+      try:
+        subprocess.check_call(['${patchelf:location}/bin/patchelf', '--set-rpath', rpath, binary])
+      except Exception as e:
+        print (e)
+        import pdb; pdb.set_trace()
+ 
+rpath =
+  ${cairo:location}/lib/
+  ${cups:location}/lib/
+  ${cups:location}/lib64/
+  ${dbus:location}/lib/
+  ${dbus-glib:location}/lib/
+  ${file:location}/lib/
+  ${fontconfig:location}/lib/
+  ${freetype:location}/lib/
+  ${gcc:prefix}/lib/
+  ${gcc:prefix}/lib64/
+  ${glib:location}/lib/
+  ${glu:location}/lib/
+  ${libICE:location}/lib/
+  ${libSM:location}/lib/
+  ${libX11:location}/lib/
+  ${libXau:location}/lib/
+  ${libXdmcp:location}/lib/
+  ${libXext:location}/lib/
+  ${libXinerama:location}/lib/
+  ${libXrender:location}/lib/
+  ${libXrandr:location}/lib/
+  ${libexpat:location}/lib/
+  ${libffi:location}/lib/
+  ${libffi:location}/lib64/
+  ${libpng12:location}/lib/
+  ${libxcb:location}/lib/
+  ${mesa:location}/lib/
+  ${pixman:location}/lib/
+  ${xdamage:location}/lib/
+  ${xfixes:location}/lib/
+  ${zlib:location}/lib/
+  ${util-linux:location}/lib/
 
 # helper binaries
 cpio = ${cpio:location}/bin/cpio