Make curses.h inclusion conditional as in the original patch #1012280.

Backported to 2.3.

configure

 #! /bin/sh
-# From configure.in Revision: 1.469 .
+# From configure.in Revision: 1.470 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.59 for python 2.4.
 #
@@ -5375,13 +5375,9 @@ fi
 
 
 # On Solaris, term.h requires curses.h
-
-for ac_header in term.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
+echo "$as_me:$LINENO: checking for term.h" >&5
+echo $ECHO_N "checking for term.h... $ECHO_C" >&6
+if test "${ac_cv_header_term_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -5390,9 +5386,13 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
+
+#ifdef HAVE_CURSES_H
 #include <curses.h>
+#endif
 
-#include <$ac_header>
+
+#include <term.h>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
@@ -5416,25 +5416,18 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  eval "$as_ac_Header=yes"
+  ac_cv_header_term_h=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-eval "$as_ac_Header=no"
+ac_cv_header_term_h=no
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
+echo "$as_me:$LINENO: result: $ac_cv_header_term_h" >&5
+echo "${ECHO_T}$ac_cv_header_term_h" >&6
 
-done
 
 
 # checks for typedefs

configure.in

@@ -968,7 +968,11 @@ AC_HEADER_DIRENT
 AC_HEADER_MAJOR
 
 # On Solaris, term.h requires curses.h
-AC_CHECK_HEADERS(term.h,,,[#include <curses.h>])
+AC_CHECK_HEADER(term.h,,,[
+#ifdef HAVE_CURSES_H
+#include <curses.h>
+#endif
+])
 
 # checks for typedefs
 was_it_defined=no