diff --git a/texlive.spec b/texlive.spec
index e3498c0..ec4a550 100644
--- a/texlive.spec
+++ b/texlive.spec
@@ -253,7 +253,6 @@ texconfig and has multilanguage options.
 Summary: Basic system layout for TeX Live
 Group: Productivity/Publishing/TeX/Base
 Url: http://www.tug.org/texlive/
-BuildArch: noarch
 Requires: %{name} = %{texlive_version}
 Requires: %{name}-kpathsea
 Requires: %{name}-tetex = %{texlive_version}
@@ -272,6 +271,7 @@ Requires: perl-Tk
 Requires: perl-File-Which
 Requires: /usr/bin/clear
 Requires: /usr/bin/dialog
+BuildArch: noarch
 
 %description basesystem
 The basic system layout for TeX Live installation.
@@ -312,6 +312,7 @@ Requires: texlive-eulervm = %{texlive_version}
 Requires: texlive-marvosym = %{texlive_version}
 Requires: texlive-wasy = %{texlive_version}
 Requires: texlive-ly1 = %{texlive_version}
+Provides: tex(context)
 BuildArch: noarch
 
 %description scheme-context
@@ -590,6 +591,7 @@ Requires: texlive-collection-omega = %{texlive_version}
 Requires: texlive-collection-pictures = %{texlive_version}
 Requires: texlive-collection-pstricks = %{texlive_version}
 Requires: texlive-collection-texinfo = %{texlive_version}
+Provides: tex(tetex)
 BuildArch: noarch
 
 %description scheme-tetex
@@ -666,6 +668,8 @@ Requires: texlive-texconfig = %{texlive_version}
 Requires: texlive-texlive-msg-translations = %{texlive_version}
 Requires: texlive-texlive-scripts = %{texlive_version}
 Requires: texlive-xdvi = %{texlive_version}
+Provides: tex()
+Provides: tex()
 BuildArch: noarch
 
 %description collection-basic
@@ -1666,6 +1670,7 @@ Requires: texlive-xmltex = %{texlive_version}
 Requires: texlive-collection-basic = %{texlive_version}
 Requires: texlive-collection-fontsrecommended = %{texlive_version}
 Requires: texlive-collection-latex = %{texlive_version}
+Provides: tex(htmlxml)
 BuildArch: noarch
 
 %description collection-htmlxml
@@ -1823,7 +1828,7 @@ Version: %{texlive_version}
 Release: %{texlive_release}.svn21597
 Requires: texlive-cmcyr = %{texlive_version}
 Requires: texlive-cyrillic = %{texlive_version}
-Requires: texlive-cyrillic-bin = %{texlive_version}
+Requires(prereq): texlive-cyrillic-bin = %{texlive_version}
 Requires: texlive-cyrplain = %{texlive_version}
 Requires: texlive-disser = %{texlive_version}
 Requires: texlive-eskd = %{texlive_version}
@@ -2302,7 +2307,7 @@ Requires: texlive-geometry = %{texlive_version}
 Requires: texlive-graphics = %{texlive_version}
 Requires: texlive-hyperref = %{texlive_version}
 Requires: texlive-latex = %{texlive_version}
-Requires: texlive-latex-bin = %{texlive_version}
+Requires(prereq): texlive-latex-bin = %{texlive_version}
 Requires: texlive-latex-fonts = %{texlive_version}
 Requires: texlive-latexconfig = %{texlive_version}
 Requires: texlive-ltxmisc = %{texlive_version}
@@ -2316,6 +2321,7 @@ Requires: texlive-psnfss = %{texlive_version}
 Requires: texlive-pspicture = %{texlive_version}
 Requires: texlive-tools = %{texlive_version}
 Requires: texlive-collection-basic = %{texlive_version}
+Provides: tex(latex)
 BuildArch: noarch
 
 %description collection-latex
@@ -3324,6 +3330,7 @@ Requires: texlive-suanpan = %{texlive_version}
 Requires: texlive-textpath = %{texlive_version}
 Requires: texlive-threeddice = %{texlive_version}
 Requires: texlive-collection-basic = %{texlive_version}
+Provides: tex(metapost)
 BuildArch: noarch
 
 %description collection-metapost
@@ -3345,6 +3352,7 @@ Requires: texlive-musixtex = %{texlive_version}
 Requires: texlive-musixtex-fonts = %{texlive_version}
 Requires: texlive-songbook = %{texlive_version}
 Requires: texlive-collection-latex = %{texlive_version}
+Provides: tex(music)
 BuildArch: noarch
 
 %description collection-music
@@ -3364,6 +3372,7 @@ Requires: texlive-aleph = %{texlive_version}
 Requires: texlive-omegaware = %{texlive_version}
 Requires: texlive-collection-basic = %{texlive_version}
 Requires: texlive-collection-latex = %{texlive_version}
+Provides: tex(omega)
 BuildArch: noarch
 
 %description collection-omega
@@ -3465,6 +3474,7 @@ Requires: texlive-tsemlines = %{texlive_version}
 Requires: texlive-tufte-latex = %{texlive_version}
 Requires: texlive-xypic = %{texlive_version}
 Requires: texlive-collection-basic = %{texlive_version}
+Provides: tex(pictures)
 BuildArch: noarch
 
 %description collection-pictures
@@ -3587,6 +3597,7 @@ Requires: texlive-uml = %{texlive_version}
 Requires: texlive-vaucanson-g = %{texlive_version}
 Requires: texlive-collection-basic = %{texlive_version}
 Requires: texlive-collection-genericrecommended = %{texlive_version}
+Provides: tex(pstricks)
 BuildArch: noarch
 
 %description collection-pstricks
@@ -3763,6 +3774,7 @@ Requires: texlive-ulqda = %{texlive_version}
 Requires: texlive-unitsdef = %{texlive_version}
 Requires: texlive-youngtab = %{texlive_version}
 Requires: texlive-collection-latex = %{texlive_version}
+Provides: tex(science)
 BuildArch: noarch
 
 %description collection-science
@@ -3813,6 +3825,7 @@ Requires: texlive-xetexfontinfo = %{texlive_version}
 Requires: texlive-xltxtra = %{texlive_version}
 Requires: texlive-xunicode = %{texlive_version}
 Requires: texlive-collection-basic = %{texlive_version}
+Provides: tex(xetex)
 BuildArch: noarch
 
 %description collection-xetex