Add support to GDB for the Renesas rl78 architecture.

[external/binutils.git] / sim / erc32 / configure.ac

diff --git a/sim/erc32/configure.ac b/sim/erc32/configure.ac
index 7911a49..bc46091 100644 (file)
--- a/sim/erc32/configure.ac
+++ b/sim/erc32/configure.ac
@@ -1,7 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
-sinclude(../common/aclocal.m4)
-AC_PREREQ(2.59)dnl
+AC_PREREQ(2.64)dnl
 AC_INIT(Makefile.in)
+sinclude(../common/acinclude.m4)
 
 SIM_AC_COMMON
 
@@ -17,8 +17,19 @@ lose
 if test x$sim_cv_os_cygwin = xyes; then
   TERMCAP='`if test -r ../../libtermcap/libtermcap.a; then echo ../../libtermcap/libtermcap.a; else echo -ltermcap; fi` -luser32'
 else
-  AC_CHECK_LIB(termcap, main, TERMCAP=-ltermcap, TERMCAP="")
+  # Keep in sync with gdb's configure.ac list.
+  AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses],
+    [TERMCAP=$ac_cv_search_tgetent], [TERMCAP=""])
 fi
 AC_SUBST(TERMCAP)
 
+# We prefer the in-tree readline.  Top-level dependencies make sure
+# src/readline (if it's there) is configured before src/sim.
+if test -r ../../readline/Makefile; then
+  READLINE=../../readline/libreadline.a
+else
+  AC_CHECK_LIB(readline, readline, READLINE=-lreadline,
+              AC_ERROR([the required "readline" library is missing]), $TERMCAP)
+fi
+AC_SUBST(READLINE)
 SIM_AC_OUTPUT