diff -purN ncurses-5.7+20100313/configure ncurses_patched/configure
--- ncurses-5.7+20100313/configure	2010-03-14 05:37:27.000000000 +0000
+++ ncurses_patched/configure	2010-06-30 10:39:52.578916862 +0000
@@ -17641,16 +17641,6 @@ echo "${ECHO_T}$CXX_LIB_SUFFIX" >&6
 
 fi
 
-# do not want -ldl in build except as needed for -lncurses dependency
-if test "$with_dlsym" = yes ; then
-if test $DFT_LWR_MODEL = shared || \
-   test $DFT_LWR_MODEL = libtool ; then
-
-# remove dl library from $LIBS
-LIBS=`echo "$LIBS" | sed -e 's/-ldl[ 	]//g' -e 's/-ldl$//'`
-
-fi
-fi
 ### Set up low-level terminfo dependencies for makefiles.
 
 # TICS_LIST and TINFO_LIST are needed to build libtic.so and libterm.so, but
diff -purN ncurses-5.7+20100313/debian/rules ncurses_patched/debian/rules
--- ncurses-5.7+20100313/debian/rules	2010-06-30 10:35:29.000000000 +0000
+++ ncurses_patched/debian/rules	2010-06-30 10:10:26.855622074 +0000
@@ -105,7 +105,7 @@ CONFARGS =	--prefix=/usr \
 		--with-ticlib
 
 ifneq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
-CONFARGS += --with-build-cc=gcc --host=$(DEB_HOST_GNU_TYPE)
+CONFARGS += --with-build-cc=gcc --with-build-cflags=-D_GNU_SOURCE --host=$(DEB_HOST_GNU_TYPE)
 endif
 
 # Files for /lib/terminfo.