diff --git a/alex-2.3.5-generate-man-page.patch b/alex-2.3.5-generate-man-page.patch
new file mode 100644
index 0000000..26aa6fd
--- /dev/null
+++ b/alex-2.3.5-generate-man-page.patch
@@ -0,0 +1,10 @@
+diff -Nur alex-2.3.5/doc/configure.ac alex-2.3.5-man/doc/configure.ac
+--- alex-2.3.5/doc/configure.ac	2010-11-26 11:44:56.000000000 +0100
++++ alex-2.3.5-man/doc/configure.ac	2012-05-07 20:29:05.000000000 +0200
+@@ -9,5 +9,5 @@
+ 
+ AC_PATH_PROG(DbLatexCmd,dblatex)
+ 
+-AC_CONFIG_FILES([config.mk])
++AC_CONFIG_FILES([config.mk alex.1])
+ AC_OUTPUT
diff --git a/alex.changes b/alex.changes
index dc97103..47af053 100644
--- a/alex.changes
+++ b/alex.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon May  7 18:40:00 UTC 2012 - peter.trommler@ohm-hochschule.de
+
+- add patch to enable man page generation
+- generate, install and package man page alex.1 
+
 -------------------------------------------------------------------
 Thu Dec 29 11:47:39 UTC 2011 - peter.trommler@ohm-hochschule.de
 
diff --git a/alex.spec b/alex.spec
index 2c764d5..daf07ad 100644
--- a/alex.spec
+++ b/alex.spec
@@ -26,12 +26,15 @@ License:        BSD-3-Clause
 # BEGIN cabal2spec
 URL:            http://hackage.haskell.org/package/%{name}
 Source0:        http://hackage.haskell.org/packages/archive/%{name}/%{version}/%{name}-%{version}.tar.gz
+# PATCH-FIX-UPSTREAM alex-2.3.5-generate-man-page.patch -- fixed in 3.0.1
+Patch:          alex-2.3.5-generate-man-page.patch
 ExclusiveArch:  %{ix86} x86_64 %{ghc_arches}
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
 # END cabal2spec
 # list ghc-*-devel dependencies:
 BuildRequires:  ghc-QuickCheck-devel
+BuildRequires:  autoconf
 
 %if %{defined sles_version}
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
@@ -43,21 +46,28 @@ Tool for generating lexical analysers in Haskell similar to lex
 
 %prep
 %setup -q
+%patch -p1
 
 
 %build
 #%%define cabal_configure_options -f "opt1 -opt2 ..."
 %ghc_bin_build
+cd doc
+test -f configure || autoreconf
+./configure
 
 
 %install
 %ghc_bin_install
+mkdir -p %{buildroot}/%{_mandir}/man1
+cp doc/alex.1 %{buildroot}/%{_mandir}/man1
 
 %files
 %defattr(-,root,root,-)
 %doc LICENSE
 %attr(755,root,root) %{_bindir}/%{name}
 %{_datadir}/%{name}-%{version}
+%{_mandir}/man1/*
 
 
 %changelog