X-Git-Url: https://git.draconx.ca/gitweb/cdecl99.git/blobdiff_plain/87278972ae64ef4c5eff110af1565b1988160fb4..551b61d2a837bae31c439b2d1abdc3189ad1252e:/configure.ac

diff --git a/configure.ac b/configure.ac
index dcb5504..1aae33e 100644
--- 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.
@@ -7,18 +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_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])
+DX_AUTOMAKE_COMPAT
 
 AC_PROG_CC_C99
+AM_PROG_CC_C_O
 gl_EARLY
 
 LT_INIT
 gl_INIT
 
-DX_FIX_GNULIB([cdecl__])
+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
@@ -36,13 +57,21 @@ AC_ARG_VAR([BISONFLAGS], [Additional options to pass to Bison.])
 AC_CHECK_PROGS([BISON], [bison], [bison])
 BISON_I18N
 
-GLOBAL_SYMBOL_PIPE=$lt_cv_sys_global_symbol_pipe
-AC_SUBST([GLOBAL_SYMBOL_PIPE])
+AH_TOP([#include <conf_pre.h>])
+AH_BOTTOM([#include <conf_post.h>])
+
+AC_ARG_WITH([gsl],
+	[AS_HELP_STRING([--with-gsl],
+		[specify whether to build test programs requiring the GNU Scientific Library. [default=auto]]
+	)], [with_gsl=$withval], [with_gsl=auto])
 
-AH_BOTTOM([#include <cfgtail.h>])
+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([
-	exported.sh
 	Makefile
 ])
 AC_OUTPUT