X-Git-Url: https://git.draconx.ca/gitweb/cdecl99.git/blobdiff_plain/00d66b21918b9db6e171217e2fb9556aacbf451b..551b61d2a837bae31c439b2d1abdc3189ad1252e:/configure.ac

diff --git a/configure.ac b/configure.ac
index 5596f74..1aae33e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,12 +1,52 @@
+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 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
+
+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.
+m4_traceoff([AM_GNU_GETTEXT])
+AM_GNU_GETTEXT([external])
+DX_LINGUAS
 
 AC_ARG_VAR([FLEX], [Command to invoke flex.  Defaults to flex.])
 AC_ARG_VAR([FLEXFLAGS], [Additional options to pass to flex.])
@@ -15,8 +55,23 @@ AC_CHECK_PROGS([FLEX], [flex], [flex])
 AC_ARG_VAR([BISON], [Command to invoke GNU Bison.  Defaults to bison.])
 AC_ARG_VAR([BISONFLAGS], [Additional options to pass to Bison.])
 AC_CHECK_PROGS([BISON], [bison], [bison])
+BISON_I18N
 
-LT_INIT
+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([Makefile])
+AC_CONFIG_FILES([
+	Makefile
+])
 AC_OUTPUT