diff --git a/fix-getline-splosion.patch b/fix-getline-splosion.patch
new file mode 100644
index 0000000..dc77dde
--- /dev/null
+++ b/fix-getline-splosion.patch
@@ -0,0 +1,30 @@
+diff -Nur unifdef-1.171.orig/unifdef.c unifdef-1.171/unifdef.c
+--- unifdef-1.171.orig/unifdef.c	2006-04-25 17:45:42.000000000 -0400
++++ unifdef-1.171/unifdef.c	2010-01-15 15:44:24.000000000 -0500
+@@ -206,7 +206,7 @@
+ static void             error(const char *);
+ static int              findsym(const char *);
+ static void             flushline(bool);
+-static Linetype         getline(void);
++static Linetype         unifdef_getline(void);
+ static Linetype         ifeval(const char **);
+ static void             ignoreoff(void);
+ static void             ignoreon(void);
+@@ -505,7 +505,7 @@
+ 
+ 	for (;;) {
+ 		linenum++;
+-		lineval = getline();
++		lineval = unifdef_getline();
+ 		trans_table[ifstate[depth]][lineval]();
+ 		debug("process %s -> %s depth %d",
+ 		    linetype_name[lineval],
+@@ -519,7 +519,7 @@
+  * help from skipcomment().
+  */
+ static Linetype
+-getline(void)
++unifdef_getline(void)
+ {
+ 	const char *cp;
+ 	int cursym;
diff --git a/unifdef.spec b/unifdef.spec
index 77318f0..c887fad 100644
--- a/unifdef.spec
+++ b/unifdef.spec
@@ -6,6 +6,7 @@ License: BSD
 Group: Development/Languages
 URL: http://www.freebsd.org/cgi/cvsweb.cgi/src/usr.bin/unifdef/
 Source0: unifdef-1.171.tar.bz2
+Patch0: fix-getline-splosion.patch
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 %description
@@ -16,6 +17,7 @@ is inactive because it is inside a comment, or a single or double quote.
 
 %prep
 %setup -q
+%patch0 -p1
 
 %build
 make CFLAGS="$RPM_OPT_FLAGS"
@@ -41,6 +43,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Fri Jan 15 2010 Kyle McMartin <kyle@redhat.com> 1.171-10
+- fix unifdef ftbfs (rhbz#511553)
+
 * Sun Jul 26 2009 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.171-9
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild