diff --git a/CMakeLists.txt b/CMakeLists.txt
index cab23d6..8c34d87 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,10 +45,8 @@ if (CURSES_FOUND)
 	install(TARGETS teapot DESTINATION bin)
 endif ()
 
-find_package(FLTK NO_MODULE)
+find_package(FLTK)
 if (FLTK_FOUND)
-	include("${FLTK_USE_FILE}")
-
 	fltk_wrap_ui(fteapot fteapot.fl)
 	add_executable(fteapot WIN32 ${fteapot_FLTK_UI_SRCS})
 	set(fteapot_DEB_DEPENDS ", libstdc++6 (>= 4.1.1), libfltk1.3")
@@ -57,13 +55,13 @@ if (FLTK_FOUND)
 		if (ENABLE_STATIC)
 			target_link_libraries(fteapot teapotlib fltk fltk_images ${LIB_PORTABLEXDR})
 		else ()
-			target_link_libraries(fteapot teapotlib fltk_SHARED fltk_images_SHARED ${LIB_PORTABLEXDR})
+			target_link_libraries(fteapot teapotlib fltk fltk_images ${LIB_PORTABLEXDR})
 		endif ()
 	else ()
 		if (ENABLE_STATIC)
 			target_link_libraries(fteapot teapotlib fltk fltk_images ${LIB_PORTABLEXDR})
 		else ()
-			target_link_libraries(fteapot teapotlib fltk_SHARED ${LIB_PORTABLEXDR})
+			target_link_libraries(fteapot teapotlib fltk ${LIB_PORTABLEXDR})
 		endif ()
 	endif ()
 	install(TARGETS fteapot DESTINATION bin)
diff --git a/INSTALL b/INSTALL
index 6c433bb..0fb5790 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,19 +1,25 @@
 The new build system uses CMake (http://www.cmake.org). It handles
 all platform differences.
 
-See the README for required third-party libraries.
+In addition to the information in the README.md file on prerequisites, here
+are some additional guidelines:
+
+The XDR functions are no longer in the GNU library, so you will need an
+additional package to supply them. The README.md suggests one; another is
+tirpc. This is available on OpenSUSE, for example, via
+zypper install libtirpc-devel.
 
 The documentation can only be built if you have latex2html (version
 2008), pdflatex and lyx installed. If you don't, turn off the
 ENABLE_HELP option (using the ccmake command or any other CMake
 frontend).
 
-Note that the GUI version definitely needs FLTK-1.3, so you may need
-to download and build an SVN snapshot. SVN r7704 was used for development.
-You MUST use CMake to configure FLTK, not "./configure". You don't need
-to install it, as FLTK is so small that statically linking it (the default)
-is safe. If you don't install FLTK, set the path to your FLTK directory
- using ccmake.
+Note that the GUI version definitely needs FLTK-1.3. CMake apparently finds
+a system-installed version of this without difficulty. However, it is not
+entirely clear if static linking, should you prefer it, will work properly
+with the current setup. One possibility is to build FLTK yourself and ensure
+that your own version is found before the system one; that should allow static
+linking.
 
 For the console version you will have to make sure your system
 offers a SYSV compatible curses.  You can check that you do by looking
diff --git a/fteapot.fl b/fteapot.fl
index 9d525cd..44ae713 100644
--- a/fteapot.fl
+++ b/fteapot.fl
@@ -2,6 +2,9 @@
 version 1.0300
 header_name {.h}
 code_name {.cxx}
+decl {\#include <unistd.h>} {private global
+}
+
 decl {\#include <stdint.h>} {private global
 }