Implement workaround for flex --header-file option

[emu8051.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 1314fca..0308b48 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,24 +1,47 @@
 # configure.ac -- Process this file with autoconf to produce configure
 
 dnl Initialization stuff.
-AC_INIT([emu8051], [2.0.0], [hugo@hugovil.com], [emu8051],
-       [http://www.hugovil.com/fr/emu8051/])
+AC_INIT([emu8051], [2.0.1], [hugo@hugovil.com], [emu8051],
+       [http://www.hugovil.com/emu8051/])
 AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR(src/common/cpu8051.c)
-AM_CONFIG_HEADER(config.h:config-h.in)
-dnl Checking if the NEWS file has been updated to reflect the current version.
-AM_INIT_AUTOMAKE(check-news -Wall std-options color-tests parallel-tests)
+
+dnl -Wno-extra-portability:
+dnl   To get rid of message:
+dnl     linking libraries using a non-POSIX archiver requires 'AM_PROG_AR'...
+dnl -Wall:
+dnl   Ask automake to turn on all warnings (not a gcc flag)
+AM_INIT_AUTOMAKE([no-define gnits dist-bzip2 color-tests
+                  -Wall -Wno-extra-portability])
 AM_SILENT_RULES([yes])
+AM_CONFIG_HEADER(config.h:config-h.in)
 
 dnl Testing the C compiler.
 AC_LANG_C
 
 dnl Testing for libtool support.
-AC_PROG_RANLIB
-AM_PROG_AR
+AM_PROG_LIBTOOL
+
+AC_ARG_WITH([readline],
+            [AS_HELP_STRING([--without-readline], [disable support for readline])],
+            [],
+            [with_readline=yes])
+
+LIBREADLINE=
+    AS_IF([test "x$with_readline" != xno],
+         [AC_CHECK_LIB([readline], [main],
+              [AC_SUBST([LIBREADLINE], ["-lreadline"])
+               AC_DEFINE([HAVE_LIBREADLINE], [1],
+                         [Define if you have libreadline])
+              ],
+              [AC_MSG_FAILURE(
+                  [readline test failed (--without-readline to disable)])],
+              []
+)])
 
 dnl Testing for Lex/Yacc
-AC_PROG_LEX
+AM_PROG_LEX
 AC_PROG_YACC
 
 dnl Checking for typedefs, structures, and compiler characteristics.
@@ -102,7 +125,6 @@ else
 fi
 
 AC_SUBST(WARNINGCFLAGS)
-AC_SUBST(LIBS)
 AC_SUBST(ac_aux_dir)
 
 dnl Creating output file(s)