1 dnl Copyright © 2011-2013, 2020-2024 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.
10 AC_INIT([cdecl99], [1.2a], [nbowler@draconx.ca])
11 AC_CONFIG_HEADERS([config.h])
13 AM_INIT_AUTOMAKE([-Wall -Wno-portability foreign subdir-objects])
14 AM_SILENT_RULES([yes])
17 AC_ARG_WITH([readline],
18 [AS_HELP_STRING([--with-readline],
19 [use GNU readline for line-editing functionality (default: auto)])],
20 [], [with_readline=auto])
21 AS_CASE([$with_readline],
22 [no], [gl_cv_lib_readline=no],
24 [*], [AC_MSG_ERROR([invalid option --with-readline=$with_readline])])
31 AC_TYPE_UNSIGNED_LONG_LONG_INT
32 AC_CHECK_TYPES([unsigned __int64], [], [],
33 [unsigned __int64 foo = -1; /* avoid false positive result on VAX C */])
34 AC_C_FLEXIBLE_ARRAY_MEMBER
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.])
47 # As the wcwidth replacement module is not used by the library, there is
48 # no need to support varying locales (programs set locale once at startup).
49 AC_DEFINE([GNULIB_WCHAR_SINGLE_LOCALE], [1], [Define to 1.])
51 AS_IF([test x"$gl_cv_lib_readline" = x"no"],
52 [AS_IF([test x"$with_readline" = x"yes"],
53 [AC_MSG_FAILURE([--with-readline requested but readline was not found])],
54 [dx_cv_rl_add_history=no])])
55 AC_CACHE_CHECK([if readline supports add_history], [dx_cv_rl_add_history], [dnl
56 dx_cv_rl_add_history=no
58 LIBS="$LIBS $LIBREADLINE"
59 AC_LINK_IFELSE([AC_LANG_PROGRAM([dnl
61 #if HAVE_READLINE_HISTORY_H
62 # include <readline/history.h>
66 ])], [dx_cv_rl_add_history=yes], [dx_cv_rl_add_history=no])
70 AS_IF([test x"$dx_cv_rl_add_history" = x"yes"],
71 [AC_DEFINE([HAVE_RL_ADD_HISTORY], [1],
72 [Define to 1 if readline supports add_history.])])
74 m4_include([lib/gnulib.mk])
75 DX_GLSYM_PREFIX([cdecl__gl_])
76 DX_GNULIB_SYMFILES([lib/symfiles], [s])
77 AM_CONDITIONAL([BUILD_STATIC], [test x"$enable_static" = x"yes"])
79 AM_CONDITIONAL([USE_NLS], [test x"$USE_NLS" = x"yes"])
81 DX_PROG_FLEX([], [have_flex=yes], [have_flex=no])
82 AM_CONDITIONAL([HAVE_FLEX], [test x"$have_flex" = x"yes"])
84 DX_PROG_BISON([], [have_bison=yes], [have_bison=no])
85 AM_CONDITIONAL([HAVE_BISON], [test x"$have_bison" = x"yes"])
91 AS_IF([test x"$dx_cv_bison_api_header_include" = x"yes"],
92 [BISON_COMPAT="'--define=api.header.include={\"\$(*F).h\"}'"])
93 AS_IF([test x"$dx_cv_bison_warn_no_deprecated" = x"yes"],
94 [AS_VAR_APPEND([BISON_COMPAT], ["${BISON_COMPAT:+ }-Wno-deprecated"])])
95 AC_SUBST([BISON_COMPAT])
97 AS_CASE([$dx_cv_bison_define_cmdline], [yes],
98 [AC_CACHE_CHECK([whether $BISON supports api.token.raw],
99 [dx_cv_bison_api_token_raw], [dx_cv_bison_api_token_raw=no
100 cat >conftest.y <<'EOF'
103 int yylex(void) { return 0; }
104 void yyerror(const char *msg) { }
109 AS_IF([$BISON --define api.token.raw conftest.y >&AS_MESSAGE_LOG_FD 2>&1],
110 [AC_COMPUTE_INT([testval], [T_TEST], [#include "conftest.tab.c"
112 AS_IF([test "$testval" -lt 256], [dx_cv_bison_api_token_raw=yes])])])
113 AS_CASE([$dx_cv_bison_api_token_raw], [yes],
114 [AS_VAR_APPEND([BISON_COMPAT], [" --define api.token.raw"])])])
116 AH_TOP([#include <conf_pre.h>])
117 AH_BOTTOM([#include <conf_post.h>])
119 AC_CONFIG_TESTDIR([.], [t:.])
122 AC_CACHE_CHECK([for getline], [dx_cv_have_getline],
123 [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>
124 ], [ssize_t (*x)() = getline;
127 return getline(&p, &n, stdin);
128 ])], [dx_cv_have_getline=yes], [dx_cv_have_getline=no])])
129 AS_CASE([$dx_cv_have_getline], [yes],
130 [AC_DEFINE([HAVE_GETLINE], [1],
131 [Define to 1 if the getline function is available.])])
133 AC_CONFIG_FILES([Makefile])