Be a bit more systematic about using 'abort'.

[bison.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 81f0850b9a27f83de493168592fb905fe5bc4c32..c051ccbcf803bb3f1d4e54b0d48dd8e0eeb1a3e8 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,7 @@
 # Configure template for GNU Bison.                   -*-Autoconf-*-
 #
 # Configure template for GNU Bison.                   -*-Autoconf-*-
 #

-# Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Free Software
+# Foundation, Inc.

 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by


@@ -14,40 +15,28 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software

-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307  USA
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301  USA

 
 

-# We need a recent Autoconf to run a recent Autotest.
-AC_PREREQ(2.54)
+# This file uses AC_CONFIG_MACRO_DIR, so we need Autoconf 2.58 or better.
+# But Autoconf 2.58 has a bug in the way that it generates tests: it
+# puts the wrong absolute path names in the tests.  So we need at
+# least Autoconf 2.59.
+AC_PREREQ(2.59)

 
 

-AC_INIT([GNU Bison], [1.50], [bug-bison@gnu.org])
-AC_CONFIG_AUX_DIR(config)
+AC_INIT([GNU Bison], [2.1a], [bug-bison@gnu.org])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_MACRO_DIR([m4])

 
 

-AM_INIT_AUTOMAKE([1.7 check-news readme-alpha dist-bzip2])
+# We don't have a file m4/Makefile.am, so we need Automake 1.8 or later.
+AM_INIT_AUTOMAKE([1.8 check-news readme-alpha dist-bzip2])

 AC_CONFIG_HEADERS([config.h:config.hin])
 
 AC_CONFIG_HEADERS([config.h:config.hin])
 

-# Initialize the test suite.
-AC_CONFIG_TESTDIR(tests)
-AC_CONFIG_FILES([tests/Makefile tests/atlocal])
-AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
-# Needed by tests/atlocal.in.
-AC_SUBST([GCC])
+gl_USE_SYSTEM_EXTENSIONS

 
 

-# Checks for programs.
+# Checks for the compiler.

 AC_PROG_CC
 AC_PROG_CC

-AM_PROG_LEX
-AC_PROG_YACC
-AC_MINIX
-AC_ISC_POSIX

 AM_PROG_CC_STDC
 AM_PROG_CC_STDC

-AC_PROG_RANLIB
-AM_MISSING_PROG([AUTOM4TE], [autom4te])
-BISON_PROG_GNU_M4
-if test x"$ac_cv_prog_gnu_m4" != xyes; then
-  AC_MSG_ERROR([GNU M4 1.4 is required])
-fi
-AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
-

 AC_ARG_ENABLE(gcc-warnings,
 [  --enable-gcc-warnings   turn on lots of GCC warnings (not recommended)],
 [case "${enableval}" in
 AC_ARG_ENABLE(gcc-warnings,
 [  --enable-gcc-warnings   turn on lots of GCC warnings (not recommended)],
 [case "${enableval}" in


@@ -59,61 +48,95 @@ if test "${enableval}" = yes; then
   BISON_WARNING(-Werror)
   AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
   WARNING_CFLAGS=
   BISON_WARNING(-Werror)
   AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
   WARNING_CFLAGS=

-  BISON_WARNING(-Wall)

   BISON_WARNING(-W)
   BISON_WARNING(-W)

-  BISON_WARNING(-Wbad-function-cast)
+  BISON_WARNING(-Wall)

   BISON_WARNING(-Wcast-align)
   BISON_WARNING(-Wcast-qual)
   BISON_WARNING(-Wformat)
   BISON_WARNING(-Wcast-align)
   BISON_WARNING(-Wcast-qual)
   BISON_WARNING(-Wformat)

+  BISON_WARNING(-Wwrite-strings)
+  AC_SUBST([WARNING_CXXFLAGS], [$WARNING_CFLAGS])
+  # The following warnings are not suitable for C++.
+  BISON_WARNING(-Wbad-function-cast)

   BISON_WARNING(-Wmissing-declarations)
   BISON_WARNING(-Wmissing-prototypes)
   BISON_WARNING(-Wmissing-declarations)
   BISON_WARNING(-Wmissing-prototypes)

-  BISON_WARNING(-Wnested-externs)

   BISON_WARNING(-Wshadow)
   BISON_WARNING(-Wstrict-prototypes)
   BISON_WARNING(-Wshadow)
   BISON_WARNING(-Wstrict-prototypes)

-  BISON_WARNING(-Wwrite-strings)
+  AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])

 fi
 
 fi
 

-# Checks for libraries.
-AC_DEFINE([_GNU_SOURCE],1,[Define to 1 for GNU C library extensions.])
+AC_ARG_ENABLE([yacc],
+  [AC_HELP_STRING([--disable-yacc],
+     [do not build a yacc command or an -ly library])],
+  , [enable_yacc=yes])
+case $enable_yacc in
+yes)
+  YACC_SCRIPT=yacc
+  YACC_LIBRARY=liby.a;;
+*)
+  YACC_SCRIPT=
+  YACC_LIBRARY=;;
+esac
+AC_SUBST([YACC_SCRIPT])
+AC_SUBST([YACC_LIBRARY])
+
+# Checks for programs.
+AC_PROG_LEX
+AC_PROG_YACC
+AC_PROG_RANLIB
+BISON_PROG_GNU_M4
+if test x"$ac_cv_prog_gnu_m4" != xyes; then
+  AC_MSG_ERROR([GNU M4 1.4 is required])
+fi
+AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])

 
 # Checks for header files.
 
 # Checks for header files.

-AC_HEADER_STDC
-AC_CHECK_HEADERS([ctype.h locale.h memory.h stdlib.h string.h unistd.h])
+AC_CHECK_HEADERS_ONCE([locale.h])
+AM_STDBOOL_H

 
 # Checks for compiler characteristics.
 
 # Checks for compiler characteristics.

-AC_C_CONST

 AC_C_INLINE
 AC_C_INLINE

-AM_C_PROTOTYPES
+
+# Checks for types.
+AC_CHECK_TYPES([uintptr_t])

 
 # Checks for library functions.
 
 # Checks for library functions.

-AC_FUNC_ALLOCA
-AC_FUNC_OBSTACK
-AC_FUNC_ERROR_AT_LINE
-AC_FUNC_STRNLEN
-UTILS_FUNC_MKSTEMP
-AC_CHECK_FUNCS(setlocale)
-AC_CHECK_DECLS([free, getenv, getopt,
-                stpcpy, strchr, strspn, strnlen,
-                malloc, memchr, memrchr])
-AC_REPLACE_FUNCS(memchr memrchr \
-                 strchr stpcpy strrchr strspn strtol)
-AC_FUNC_MALLOC
-AC_FUNC_REALLOC
-jm_PREREQ_QUOTEARG
-jm_FUNC_ARGMATCH
-jm_PREREQ_ERROR
-jm_PREREQ_TEMPNAME
+AC_CHECK_FUNCS_ONCE([setlocale])

 AM_WITH_DMALLOC
 AM_WITH_DMALLOC

+BISON_PREREQ_SUBPIPE

 BISON_PREREQ_TIMEVAR
 
 BISON_PREREQ_TIMEVAR
 

-# Gettext.
-AM_GNU_GETTEXT(external, need-ngettext)
-AM_GNU_GETTEXT_VERSION(0.11.5)
+# gnulib and gettext.
+GNULIB_AUTOCONF_SNIPPET
+# We use po/Makevars, so we need at least gettext 0.12.
+AM_GNU_GETTEXT_VERSION([0.12])
+BISON_I18N
+
+# Internationalized parsers.
+AC_CONFIG_FILES([runtime-po/Makefile.in])
+# Autoconf macros for packages using internationalized parsers.
+aclocaldir='${datadir}/aclocal'
+AC_SUBST([aclocaldir])
+
+# Initialize the test suite.
+AC_CONFIG_TESTDIR(tests)
+AC_CONFIG_FILES([tests/Makefile tests/atlocal])
+AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
+AC_CHECK_PROGS([VALGRIND], [valgrind])
+AC_PROG_CXX
+BISON_TEST_FOR_WORKING_CXX_COMPILER
+AM_MISSING_PROG([AUTOM4TE], [autom4te])
+# Needed by tests/atlocal.in.
+AC_SUBST([GCC])
+O0CFLAGS=`echo $CFLAGS | sed 's/-O[[0-9]] *//'`
+AC_SUBST([O0CFLAGS])
+O0CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'`
+AC_SUBST([O0CXXFLAGS])

 
 AC_CONFIG_FILES([Makefile
 
 AC_CONFIG_FILES([Makefile

-                 config/Makefile
+                 build-aux/Makefile

                  po/Makefile.in
                  data/Makefile
                  po/Makefile.in
                  data/Makefile

-                 lib/Makefile src/Makefile doc/Makefile
-                 m4/Makefile])
+                examples/Makefile
+                   examples/calc++/Makefile
+                 lib/Makefile src/Makefile doc/Makefile])

 AC_OUTPUT
 AC_OUTPUT