Merge mysql.com:/home/mydev/mysql-4.1

into  mysql.com:/home/mydev/mysql-4.1-bug5390

acinclude.m4

@@ -565,7 +565,8 @@ AC_CACHE_VAL(mysql_cv_termcap_lib,
 [AC_CHECK_LIB(ncurses, tgetent, mysql_cv_termcap_lib=libncurses,
     [AC_CHECK_LIB(curses, tgetent, mysql_cv_termcap_lib=libcurses,
 	[AC_CHECK_LIB(termcap, tgetent, mysql_cv_termcap_lib=libtermcap,
-	    mysql_cv_termcap_lib=NOT_FOUND)])])])
+	    [AC_CHECK_LIB(tinfo, tgetent, mysql_cv_termcap_lib=libtinfo,
+	      mysql_cv_termcap_lib=NOT_FOUND)])])])])
 AC_MSG_CHECKING(for termcap functions library)
 if test "$mysql_cv_termcap_lib" = "NOT_FOUND"; then
 AC_MSG_ERROR([No curses/termcap library found])
@@ -573,6 +574,8 @@ elif test "$mysql_cv_termcap_lib" = "libtermcap"; then
 TERMCAP_LIB=-ltermcap
 elif test "$mysql_cv_termcap_lib" = "libncurses"; then
 TERMCAP_LIB=-lncurses
+elif test "$mysql_cv_termcap_lib" = "libtinfo"; then
+TERMCAP_LIB=-ltinfo
 else
 TERMCAP_LIB=-lcurses
 fi

configure.in

@@ -881,6 +881,9 @@ AC_SUBST(WRAPLIBS)
 if test "$TARGET_LINUX" = "true"; then
   AC_MSG_CHECKING([for atomic operations])
 
+  AC_LANG_SAVE
+  AC_LANG_CPLUSPLUS
+
   atom_ops=
   AC_TRY_RUN([
 #include <asm/atomic.h>
@@ -916,6 +919,8 @@ int main()
   if test -z "$atom_ops"; then atom_ops="no"; fi
   AC_MSG_RESULT($atom_ops)
 
+  AC_LANG_RESTORE
+
   AC_ARG_WITH(pstack,
     [  --with-pstack           Use the pstack backtrace library],
     [ USE_PSTACK=$withval ],