diff --git a/math/gretl/Makefile b/math/gretl/Makefile
index ddd79dfc38c5..a0b76ca139cd 100644
--- a/math/gretl/Makefile
+++ b/math/gretl/Makefile
@@ -20,15 +20,13 @@ LIB_DEPENDS=	lapack.3:${PORTSDIR}/math/lapack \
 		gmp.6:${PORTSDIR}/math/libgmp4
 RUN_DEPENDS=	gnuplot:${PORTSDIR}/math/gnuplot
 
-BROKEN=		Configure fails
-
 USE_BZIP2=	yes
 USE_X_PREFIX=	yes
 WANT_GNOME=	yes
 USE_GNOME=	gnometarget gtk20 libxml2
 USE_GMAKE=	yes
 GNU_CONFIGURE=	yes
-CONFIGURE_ENV=	CPPFLAGS="-I${LOCALBASE}/include" \
+CONFIGURE_ENV=	CPPFLAGS="-I${LOCALBASE}/include -DGNUPLOT_PNG" \
 		LDFLAGS="-L${LOCALBASE}/lib"
 CONFIGURE_ARGS=	--enable-static --enable-shared --with-gmake
 ALL_TARGET=	# empty
diff --git a/math/gretl/files/patch-configure b/math/gretl/files/patch-configure
new file mode 100644
index 000000000000..984588eccc50
--- /dev/null
+++ b/math/gretl/files/patch-configure
@@ -0,0 +1,30 @@
+--- configure.orig	Tue Dec 13 22:30:07 2005
++++ configure	Wed Feb  8 13:36:33 2006
+@@ -24725,27 +24725,6 @@
+   have_gnuplot=yes
+ fi
+ 
+-gnuplot_png=no
+-if test "$build_gui" = "yes" ; then
+-  echo "$as_me:$LINENO: checking for PNG support in gnuplot" >&5
+-echo $ECHO_N "checking for PNG support in gnuplot... $ECHO_C" >&6
+-  echo "set term png" | `which gnuplot` 2>/dev/null && gnuplot_png=yes
+-  if test "$gnuplot_png" = yes ; then
+-    echo "$as_me:$LINENO: result: yes" >&5
+-echo "${ECHO_T}yes" >&6
+-    cat >>confdefs.h <<\_ACEOF
+-#define GNUPLOT_PNG 1
+-_ACEOF
+-
+-  else
+-    echo "$as_me:$LINENO: result: no" >&5
+-echo "${ECHO_T}no" >&6
+-    echo
+-    echo "* gretl needs PNG support in gnuplot."
+-    echo "* The current version of gnuplot is available from www.gnuplot.info"
+-    exit
+-  fi
+-fi
+ 
+ 
+ 
diff --git a/misc/gretl/Makefile b/misc/gretl/Makefile
index ddd79dfc38c5..a0b76ca139cd 100644
--- a/misc/gretl/Makefile
+++ b/misc/gretl/Makefile
@@ -20,15 +20,13 @@ LIB_DEPENDS=	lapack.3:${PORTSDIR}/math/lapack \
 		gmp.6:${PORTSDIR}/math/libgmp4
 RUN_DEPENDS=	gnuplot:${PORTSDIR}/math/gnuplot
 
-BROKEN=		Configure fails
-
 USE_BZIP2=	yes
 USE_X_PREFIX=	yes
 WANT_GNOME=	yes
 USE_GNOME=	gnometarget gtk20 libxml2
 USE_GMAKE=	yes
 GNU_CONFIGURE=	yes
-CONFIGURE_ENV=	CPPFLAGS="-I${LOCALBASE}/include" \
+CONFIGURE_ENV=	CPPFLAGS="-I${LOCALBASE}/include -DGNUPLOT_PNG" \
 		LDFLAGS="-L${LOCALBASE}/lib"
 CONFIGURE_ARGS=	--enable-static --enable-shared --with-gmake
 ALL_TARGET=	# empty
diff --git a/misc/gretl/files/patch-configure b/misc/gretl/files/patch-configure
new file mode 100644
index 000000000000..984588eccc50
--- /dev/null
+++ b/misc/gretl/files/patch-configure
@@ -0,0 +1,30 @@
+--- configure.orig	Tue Dec 13 22:30:07 2005
++++ configure	Wed Feb  8 13:36:33 2006
+@@ -24725,27 +24725,6 @@
+   have_gnuplot=yes
+ fi
+ 
+-gnuplot_png=no
+-if test "$build_gui" = "yes" ; then
+-  echo "$as_me:$LINENO: checking for PNG support in gnuplot" >&5
+-echo $ECHO_N "checking for PNG support in gnuplot... $ECHO_C" >&6
+-  echo "set term png" | `which gnuplot` 2>/dev/null && gnuplot_png=yes
+-  if test "$gnuplot_png" = yes ; then
+-    echo "$as_me:$LINENO: result: yes" >&5
+-echo "${ECHO_T}yes" >&6
+-    cat >>confdefs.h <<\_ACEOF
+-#define GNUPLOT_PNG 1
+-_ACEOF
+-
+-  else
+-    echo "$as_me:$LINENO: result: no" >&5
+-echo "${ECHO_T}no" >&6
+-    echo
+-    echo "* gretl needs PNG support in gnuplot."
+-    echo "* The current version of gnuplot is available from www.gnuplot.info"
+-    exit
+-  fi
+-fi
+ 
+ 
+