diff -NrU5 surf-1.0.5.orig/configure.in surf-1.0.5/configure.in
--- surf-1.0.5.orig/configure.in	2008-07-09 23:01:08.000000000 +0200
+++ surf-1.0.5/configure.in	2008-07-09 23:25:32.000000000 +0200
@@ -129,11 +129,11 @@
 AC_PATH_X
 AC_PATH_XTRA
 CFLAGS="$CFLAGS $X_CFLAGS"
 CXXFLAGS="$CXXFLAGS $X_CFLAGS"
 
-AM_CONDITIONAL(GUI, test "x$gui" = "xyes");
+AM_CONDITIONAL(GUI, test "x$gui" = "xyes")
 
 
 dnl math lib, power function and (g)zlib:
 
 RS_CHECK_LIB(m, main)
@@ -152,13 +152,11 @@
 
 AC_CHECK_LIB(tiff, main,,
              AC_CHECK_LIB(tiff34, main,,
                           AC_MSG_ERROR([Sorry: can't find libtiff])))
 
-AC_CHECK_HEADER(tiffio.h,,
-                [AC_CHECK_HEADER(tiff34/tiffio.h,AC_DEFINE(TIFF_HEADER_34))],
-		[AC_MSG_ERROR(["Sorry: cannot find header file tiffio.h"])] )
+AC_CHECK_HEADER([tiffio.h],[],[AC_CHECK_HEADER(tiff34/tiffio.h,[AC_DEFINE([TIFF_HEADER_34])],[AC_MSG_ERROR(["Sorry: cannot find header file tiffio.h"])])])
 
 dnl gmp library and header file:
 
 if test x"$gmp_prefix" != x ; then
 	LDFLAGS="-L$gmp_prefix/lib $LDFLAGS"