diff --git a/glibc-2.10.diff b/glibc-2.10.diff
new file mode 100644
index 0000000..8b8bb8e
--- /dev/null
+++ b/glibc-2.10.diff
@@ -0,0 +1,62 @@
+--- src/ash/output.c
++++ src/ash/output.c
+@@ -230,6 +230,7 @@ out1fmt(const char *fmt, ...)
+ 	va_end(ap);
+ }
+ 
++#if 0
+ void
+ dprintf(const char *fmt, ...)
+ {
+@@ -240,6 +241,7 @@ dprintf(const char *fmt, ...)
+ 	va_end(ap);
+ 	flushout(out2);
+ }
++#endif
+ 
+ void
+ fmtstr(char *outbuf, size_t length, const char *fmt, ...)
+--- src/ash/output.h
++++ src/ash/output.h
+@@ -65,8 +65,10 @@ void outfmt(struct output *, const char *, ...)
+     __attribute__((__format__(__printf__,2,3)));
+ void out1fmt(const char *, ...)
+     __attribute__((__format__(__printf__,1,2)));
++    /*
+ void dprintf(const char *, ...)
+     __attribute__((__format__(__printf__,1,2)));
++    */
+ void fmtstr(char *, size_t, const char *, ...)
+     __attribute__((__format__(__printf__,3,4)));
+ void doformat(struct output *, const char *, va_list);
+--- src/kash/output.c
++++ src/kash/output.c
+@@ -226,6 +226,7 @@ out1fmt(shinstance *psh, const char *fmt, ...)
+ 	va_end(ap);
+ }
+ 
++#if 0
+ void
+ dprintf(shinstance *psh, const char *fmt, ...)
+ {
+@@ -236,6 +237,7 @@ dprintf(shinstance *psh, const char *fmt, ...)
+ 	va_end(ap);
+ 	flushout(psh->out2);
+ }
++#endif
+ 
+ void
+ fmtstr(char *outbuf, size_t length, const char *fmt, ...)
+--- src/kash/output.h
++++ src/kash/output.h
+@@ -69,8 +69,10 @@ void outfmt(struct output *, const char *, ...)
+     __attribute__((__format__(__printf__,2,3)));
+ void out1fmt(struct shinstance *, const char *, ...)
+     __attribute__((__format__(__printf__,2,3)));
++    /*
+ void dprintf(struct shinstance *, const char *, ...)
+     __attribute__((__format__(__printf__,2,3)));
++    */
+ void fmtstr(char *, size_t, const char *, ...)
+     __attribute__((__format__(__printf__,3,4)));
+ void doformat(struct output *, const char *, va_list);
diff --git a/kbuild.changes b/kbuild.changes
index 65c1e2b..8b151a6 100644
--- a/kbuild.changes
+++ b/kbuild.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun May 31 17:04:35 CEST 2009 - dmueller@suse.de
+
+- fix build against glibc 2.10
+
 -------------------------------------------------------------------
 Mon Apr 20 11:30:46 CEST 2009 - mseben@suse.cz
 
diff --git a/kbuild.spec b/kbuild.spec
index 8fdd8e8..1d2f27a 100644
--- a/kbuild.spec
+++ b/kbuild.spec
@@ -25,13 +25,14 @@ License:        GPL v2 or later
 Group:          Development/Tools/Building
 Summary:        framework for writing simple makefiles for complex tasks
 Version:        0.1.5svn2336
-Release:        1
+Release:        2
 %define _svnrev 2336
 Source0:        %{name}-%{version}.tar.bz2
 Patch0:         kbuild-man.diff
 Patch1:         warnings.diff
 Patch2:         kbuild-dummy_noreturn.diff
 Patch3:         kbuild-func_missing_args.diff
+Patch4:         glibc-2.10.diff
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
@@ -64,6 +65,7 @@ Authors:
 %patch1
 %patch2
 %patch3
+%patch4
 
 %build
 export CFLAGS="$RPM_OPT_FLAGS"
@@ -92,6 +94,8 @@ kBuild/env.sh kmk NIX_INSTALL_DIR=/usr BUILD_TYPE=release PATH_INS=%{buildroot}
 %{_datadir}/kBuild
 
 %changelog
+* Sun May 31 2009 dmueller@suse.de
+- fix build against glibc 2.10
 * Mon Apr 20 2009 mseben@suse.cz
 - updated to 0.1.5svn2336
  - updated Maintenance.kmk with a patch variable.