+dnl Copyright © 2011-2013, 2020-2024 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.
+
+DX_PATCH_GNULIB
+
AC_PREREQ([2.68])
-AC_INIT([cdecl99], [0.1], [nbowler@draconx.ca])
-AC_CONFIG_HEADER([config.h])
-AC_CONFIG_MACRO_DIR([m4])
+AC_INIT([cdecl99], [1.3], [nbowler@draconx.ca])
+AC_CONFIG_HEADERS([config.h])
-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_ARG_WITH([readline],
+ [AS_HELP_STRING([--with-readline],
+ [use GNU readline for line-editing functionality (default: auto)])],
+ [], [with_readline=auto])
+AS_CASE([$with_readline],
+ [no], [gl_cv_lib_readline=no],
+ [yes|auto], [:],
+ [*], [AC_MSG_ERROR([invalid option --with-readline=$with_readline])])
AC_PROG_CC_C99
+AM_PROG_CC_C_O
gl_EARLY
+AC_HEADER_ASSERT
+AC_TYPE_UNSIGNED_LONG_LONG_INT
+AC_CHECK_TYPES([unsigned __int64], [], [],
+ [unsigned __int64 foo = -1; /* avoid false positive result on VAX C */])
+AC_C_FLEXIBLE_ARRAY_MEMBER
+AC_C_INLINE
+DX_C_FOR_DECLARATIONS
+DX_C_ALIGNAS
+AM_PROG_AR
+
LT_INIT
gl_INIT
-AC_ARG_VAR([FLEX], [Command to invoke flex. Defaults to flex.])
-AC_ARG_VAR([FLEXFLAGS], [Additional options to pass to flex.])
-AC_CHECK_PROGS([FLEX], [flex], [flex])
+# As the mbrtowc replacement module is not used by the library, there is
+# no need for multithreaded mbrtowc (all programs are single threaded).
+AC_DEFINE([GNULIB_MBRTOWC_SINGLE_THREAD], [1], [Define to 1.])
-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])
+# As the wcwidth replacement module is not used by the library, there is
+# no need to support varying locales (programs set locale once at startup).
+AC_DEFINE([GNULIB_WCHAR_SINGLE_LOCALE], [1], [Define to 1.])
-AC_CONFIG_FILES([
- lib/Makefile
- Makefile
+AS_IF([test x"$gl_cv_lib_readline" = x"no"],
+ [AS_IF([test x"$with_readline" = x"yes"],
+ [AC_MSG_FAILURE([--with-readline requested but readline was not found])],
+ [dx_cv_rl_add_history=no])])
+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"$dx_cv_rl_add_history" = x"yes"],
+ [AC_DEFINE([HAVE_RL_ADD_HISTORY], [1],
+ [Define to 1 if readline supports add_history.])])
+
+m4_include([lib/gnulib.mk])
+DX_GLSYM_PREFIX([cdecl__gl_])
+DX_GNULIB_SYMFILES([lib/symfiles], [s])
+AM_CONDITIONAL([BUILD_STATIC], [test x"$enable_static" = x"yes"])
+
+AM_CONDITIONAL([USE_NLS], [test x"$USE_NLS" = x"yes"])
+
+DX_PROG_FLEX([], [have_flex=yes], [have_flex=no])
+AM_CONDITIONAL([HAVE_FLEX], [test x"$have_flex" = x"yes"])
+
+DX_PROG_BISON([], [have_bison=yes], [have_bison=no])
+AM_CONDITIONAL([HAVE_BISON], [test x"$have_bison" = x"yes"])
+
+DX_BISON_COMPAT
+BISON_I18N
+
+BISON_COMPAT=
+AS_IF([test x"$dx_cv_bison_api_header_include" = x"yes"],
+ [BISON_COMPAT="'--define=api.header.include={\"\$(*F).h\"}'"])
+AS_IF([test x"$dx_cv_bison_warn_no_deprecated" = x"yes"],
+ [AS_VAR_APPEND([BISON_COMPAT], ["${BISON_COMPAT:+ }-Wno-deprecated"])])
+AC_SUBST([BISON_COMPAT])
+
+AS_CASE([$dx_cv_bison_define_cmdline], [yes],
+[AC_CACHE_CHECK([whether $BISON supports api.token.raw],
+ [dx_cv_bison_api_token_raw], [dx_cv_bison_api_token_raw=no
+cat >conftest.y <<'EOF'
+%token T_TEST
+%{
+int yylex(void) { return 0; }
+void yyerror(const char *msg) { }
+%}
+%%
+input:
+EOF
+AS_IF([$BISON --define api.token.raw conftest.y >&AS_MESSAGE_LOG_FD 2>&1],
+[AC_COMPUTE_INT([testval], [T_TEST], [#include "conftest.tab.c"
+])
+AS_IF([test "$testval" -lt 256], [dx_cv_bison_api_token_raw=yes])])])
+AS_CASE([$dx_cv_bison_api_token_raw], [yes],
+ [AS_VAR_APPEND([BISON_COMPAT], [" --define api.token.raw"])])])
+
+AH_TOP([#include <conf_pre.h>])
+AH_BOTTOM([#include <conf_post.h>])
+
+AC_CONFIG_TESTDIR([.], [t:.])
+DX_PROG_AUTOTEST_AM
+
+AC_CACHE_CHECK([for getline], [dx_cv_have_getline],
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>
+], [ssize_t (*x)() = getline;
+char *p = 0;
+size_t n = 0;
+return getline(&p, &n, stdin);
+])], [dx_cv_have_getline=yes], [dx_cv_have_getline=no])])
+AS_CASE([$dx_cv_have_getline], [yes],
+ [AC_DEFINE([HAVE_GETLINE], [1],
+ [Define to 1 if the getline function is available.])])
+
+AC_CONFIG_FILES([Makefile])
AC_OUTPUT
projects / cdecl99.git / blobdiff