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Rename "test" directory to "t".
[cdecl99.git] / configure.ac
1 dnl Copyright © 2011-2013, 2020-2023 Nick Bowler
2 dnl
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.
6
7 AC_PREREQ([2.68])
8 AC_INIT([cdecl99], [1.2a], [nbowler@draconx.ca])
9 AC_CONFIG_HEADERS([config.h])
10
11 AM_INIT_AUTOMAKE([-Wall -Wno-portability foreign subdir-objects dist-xz])
12 AM_SILENT_RULES([yes])
13 DX_AUTOMAKE_COMPAT
14
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([$with_readline],
20   [no], [gl_cv_lib_readline=no],
21   [yes|auto], [:],
22   [*], [AC_MSG_ERROR([invalid option --with-readline=$with_readline])])
23
24 AC_PROG_CC_C99
25 AM_PROG_CC_C_O
26 gl_EARLY
27
28 LT_INIT
29 gl_INIT
30
31 AC_C_FLEXIBLE_ARRAY_MEMBER
32
33 # Work around quoting bug in Gnulib threadlib.m4 which prevents
34 # correct detection on e.g., Solaris 8.  These platforms require
35 # PTHREAD_IN_USE_DETECTION_HARD to be set otherwise cdecl99 will
36 # crash when reporting an error as initialization is not done.
37 #
38 # If this gets fixed in Gnulib, we can remove this.
39 AS_CASE([$host_os],
40   [[solaris2.[1-9] | solaris2.[1-9].*]],
41     [AC_DEFINE([PTHREAD_IN_USE_DETECTION_HARD])])
42
43 # As the mbrtowc replacement module is not used by the library, there is
44 # no need for multithreaded mbrtowc (all programs are single threaded).
45 AC_DEFINE([GNULIB_MBRTOWC_SINGLE_THREAD], [1], [Define to 1.])
46
47 AS_IF([test x"$gl_cv_lib_readline" = x"no"],
48   [AS_IF([test x"$with_readline" = x"yes"],
49     [AC_MSG_FAILURE([--with-readline requested but readline was not found])],
50     [dx_cv_rl_add_history=no])])
51 AC_CACHE_CHECK([if readline supports add_history], [dx_cv_rl_add_history], [dnl
52 dx_cv_rl_add_history=no
53 dx_save_libs=$LIBS
54 LIBS="$LIBS $LIBREADLINE"
55 AC_LINK_IFELSE([AC_LANG_PROGRAM([dnl
56 #include <stdio.h>
57 #if HAVE_READLINE_HISTORY_H
58 #  include <readline/history.h>
59 #endif
60 ], [dnl
61 (*add_history)("");
62 ])], [dx_cv_rl_add_history=yes], [dx_cv_rl_add_history=no])
63 LIBS=$dx_save_libs
64 ])
65
66 AS_IF([test x"$dx_cv_rl_add_history" = x"yes"],
67   [AC_DEFINE([HAVE_RL_ADD_HISTORY], [1],
68     [Define to 1 if readline supports add_history.])])
69
70 m4_include([lib/gnulib.mk])
71 DX_GLSYM_PREFIX([cdecl__gl_])
72 DX_GNULIB_SYMFILES([lib/symfiles], [s])
73 AM_CONDITIONAL([BUILD_STATIC], [test x"$enable_static" = x"yes"])
74
75 dnl We provide our own makefile rules for gettext.  Disable tracing of
76 dnl AM_GNU_GETTEXT to prevent autoreconf from running autopoint, and to
77 dnl prevent automake from growing gratuitous error conditions.
78 m4_traceoff([AM_GNU_GETTEXT])
79 AM_GNU_GETTEXT([external])
80 DX_LINGUAS
81
82 AM_CONDITIONAL([USE_NLS], [test x"$USE_NLS" = x"yes"])
83
84 DX_PROG_FLEX([], [have_flex=yes], [have_flex=no])
85 AM_CONDITIONAL([HAVE_FLEX], [test x"$have_flex" = x"yes"])
86
87 DX_PROG_BISON([], [have_bison=yes], [have_bison=no])
88 AM_CONDITIONAL([HAVE_BISON], [test x"$have_bison" = x"yes"])
89
90 DX_BISON_COMPAT
91 BISON_I18N
92
93 BISON_COMPAT=
94 AS_IF([test x"$dx_cv_bison_api_header_include" = x"yes"],
95   [BISON_COMPAT="'--define=api.header.include={\"\$(*F).h\"}'"])
96 AS_IF([test x"$dx_cv_bison_warn_no_deprecated" = x"yes"],
97   [AS_VAR_APPEND([BISON_COMPAT], ["${BISON_COMPAT:+ }-Wno-deprecated"])])
98 AC_SUBST([BISON_COMPAT])
99
100 AH_TOP([#include <conf_pre.h>])
101 AH_BOTTOM([#include <conf_post.h>])
102
103 AC_CONFIG_TESTDIR([.], [t:.])
104 DX_PROG_AUTOTEST
105 AM_CONDITIONAL([HAVE_AUTOTEST], [test x"$dx_cv_autotest_works" = x"yes"])
106 AC_CHECK_FUNCS_ONCE([strtoumax strtoull __strtoull])
107
108 AC_CONFIG_FILES([
109         Makefile
110 ])
111 AC_OUTPUT