Update .gitignore for Automake-1.12.

[cdecl99.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 103bae2253fe0caa874c87fdadef91f958d32f23..4de7d9545a8dbedd4734f01357db62743188bdb9 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-dnl Copyright © 2011 Nick Bowler
+dnl Copyright © 2011-2012 Nick Bowler

 dnl
 dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
 dnl This is free software: you are free to do what the fuck you want to.
 dnl
 dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
 dnl This is free software: you are free to do what the fuck you want to.


@@ -7,17 +7,39 @@ dnl There is NO WARRANTY, to the extent permitted by law.
 AC_PREREQ([2.68])
 AC_INIT([cdecl99], [0.1], [nbowler@draconx.ca])
 AC_CONFIG_HEADER([config.h])
 AC_PREREQ([2.68])
 AC_INIT([cdecl99], [0.1], [nbowler@draconx.ca])
 AC_CONFIG_HEADER([config.h])

-AC_CONFIG_MACRO_DIR([m4])

 
 

-AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
+AM_INIT_AUTOMAKE([-Wall -Wno-portability foreign subdir-objects])

 AM_SILENT_RULES([yes])
 
 AC_PROG_CC_C99
 AM_SILENT_RULES([yes])
 
 AC_PROG_CC_C99

+AM_PROG_CC_C_O

 gl_EARLY
 
 LT_INIT
 gl_INIT
 
 gl_EARLY
 
 LT_INIT
 gl_INIT
 

+AC_CACHE_CHECK([if readline supports add_history], [dx_cv_rl_add_history], [dnl
+dx_cv_rl_add_history=no
+dx_save_libs=$LIBS
+LIBS="$LIBS $LIBREADLINE"
+AC_LINK_IFELSE([AC_LANG_PROGRAM([dnl
+#include <stdio.h>
+#if HAVE_READLINE_HISTORY_H
+#  include <readline/history.h>
+#endif
+], [dnl
+(*add_history)("");
+])], [dx_cv_rl_add_history=yes], [dx_cv_rl_add_history=no])
+LIBS=$dx_save_libs
+])
+
+AS_IF([test x"$dx_cv_rl_add_history" = x"yes"],
+       [AC_DEFINE([HAVE_RL_ADD_HISTORY], [1],
+               [Define to 1 if readline supports add_history.])])
+
+m4_include([lib/gnulib.mk])
+DX_GLSYM_PREFIX([cdecl__])
+

 dnl We provide our own makefile rules for gettext.  Disable tracing of
 dnl AM_GNU_GETTEXT to prevent autoreconf from running autopoint, and to
 dnl prevent automake from growing gratuitous error conditions.
 dnl We provide our own makefile rules for gettext.  Disable tracing of
 dnl AM_GNU_GETTEXT to prevent autoreconf from running autopoint, and to
 dnl prevent automake from growing gratuitous error conditions.


@@ -34,8 +56,21 @@ AC_ARG_VAR([BISONFLAGS], [Additional options to pass to Bison.])
 AC_CHECK_PROGS([BISON], [bison], [bison])
 BISON_I18N
 
 AC_CHECK_PROGS([BISON], [bison], [bison])
 BISON_I18N
 

+AH_TOP([#include <conf_pre.h>])
+AH_BOTTOM([#include <conf_post.h>])
+
+AC_ARG_WITH([gsl],
+       [AS_HELP_STRING([--with-gsl],
+               [specify whether to build test programs requiring the GNU Scientific Library. [default=auto]]
+       )], [with_gsl=$withval], [with_gsl=auto])
+
+AS_CASE([$with_gsl],
+       [no], [have_gsl=no],
+       [yes], [DX_CHECK_GSL([1.0], [have_gsl=yes])],
+       [DX_CHECK_GSL([1.0], [have_gsl=yes], [have_gsl=no])])
+AM_CONDITIONAL([HAVE_GSL], [test x"$have_gsl" = x"yes"])
+

 AC_CONFIG_FILES([
 AC_CONFIG_FILES([

-       lib/Makefile

        Makefile
 ])
 AC_OUTPUT
        Makefile
 ])
 AC_OUTPUT