1 dnl Copyright © 2011-2013, 2020-2021 Nick Bowler
3 dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
4 dnl This is free software: you are free to do what the fuck you want to.
5 dnl There is NO WARRANTY, to the extent permitted by law.
8 AC_INIT([cdecl99], [1.1a], [nbowler@draconx.ca])
9 AC_CONFIG_HEADERS([config.h])
11 AM_INIT_AUTOMAKE([-Wall -Wno-portability foreign subdir-objects dist-xz])
12 AM_SILENT_RULES([yes])
15 AC_ARG_WITH([readline],
16 [AS_HELP_STRING([--with-readline],
17 [use GNU readline for line-editing functionality (default: auto)])],
18 [], [with_readline=auto])
19 AS_CASE([$with_readline],
20 [no], [gl_cv_lib_readline=no],
22 [*], [AC_MSG_ERROR([invalid option --with-readline=$with_readline])])
31 AS_IF([test x"$gl_cv_lib_readline" = x"no"],
32 [AS_IF([test x"$with_readline" = x"yes"],
33 [AC_MSG_FAILURE([--with-readline requested but readline was not found])],
34 [dx_cv_rl_add_history=no])])
35 AC_CACHE_CHECK([if readline supports add_history], [dx_cv_rl_add_history], [dnl
36 dx_cv_rl_add_history=no
38 LIBS="$LIBS $LIBREADLINE"
39 AC_LINK_IFELSE([AC_LANG_PROGRAM([dnl
41 #if HAVE_READLINE_HISTORY_H
42 # include <readline/history.h>
46 ])], [dx_cv_rl_add_history=yes], [dx_cv_rl_add_history=no])
50 AS_IF([test x"$dx_cv_rl_add_history" = x"yes"],
51 [AC_DEFINE([HAVE_RL_ADD_HISTORY], [1],
52 [Define to 1 if readline supports add_history.])])
54 m4_include([lib/gnulib.mk])
55 DX_GLSYM_PREFIX([cdecl__])
57 dnl We provide our own makefile rules for gettext. Disable tracing of
58 dnl AM_GNU_GETTEXT to prevent autoreconf from running autopoint, and to
59 dnl prevent automake from growing gratuitous error conditions.
60 m4_traceoff([AM_GNU_GETTEXT])
61 AM_GNU_GETTEXT([external])
64 DX_PROG_FLEX([], [have_flex=yes], [have_flex=no])
65 AM_CONDITIONAL([HAVE_FLEX], [test x"$have_flex" = x"yes"])
67 DX_PROG_BISON([], [have_bison=yes], [have_bison=no])
68 AM_CONDITIONAL([HAVE_BISON], [test x"$have_bison" = x"yes"])
74 AS_IF([test x"$dx_cv_bison_api_header_include" = x"yes"],
75 [BISON_COMPAT="'--define=api.header.include={\"\$(*F).h\"}'"])
76 AS_IF([test x"$dx_cv_bison_warn_no_deprecated" = x"yes"],
77 [AS_VAR_APPEND([BISON_COMPAT], ["${BISON_COMPAT:+ }-Wno-deprecated"])])
78 AC_SUBST([BISON_COMPAT])
80 AH_TOP([#include <conf_pre.h>])
81 AH_BOTTOM([#include <conf_post.h>])
84 [AS_HELP_STRING([--with-gsl],
85 [specify whether to build test programs requiring the GNU Scientific Library. [default=auto]]
86 )], [with_gsl=$withval], [with_gsl=auto])
90 [yes], [DX_CHECK_GSL([1.0], [have_gsl=yes])],
91 [DX_CHECK_GSL([1.0], [have_gsl=yes], [have_gsl=no])])
92 AM_CONDITIONAL([HAVE_GSL], [test x"$have_gsl" = x"yes"])
94 AC_CONFIG_TESTDIR([.], [test:.])
96 AM_CONDITIONAL([HAVE_AUTOTEST], [test x"$dx_cv_autotest_works" = x"yes"])