* djgpp/config.site: Adjustments concerning the use of autoconf 2.61.

[bison.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 33e822d9d11a61c3d8712f26b73c001be3a0adb9..bd9ff0b6a83644b4cb84788e6691937a0fae102c 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, 2003, 2004 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


@@ -14,28 +15,26 @@
 #
 # 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

 
 

-# 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)
+# We have strange test case titles, so we need Autoconf 2.61 or better.
+AC_PREREQ(2.61)

 
 

-AC_INIT([GNU Bison], [2.0a], [bug-bison@gnu.org])
-AC_CONFIG_AUX_DIR([config])
+AC_INIT([GNU Bison], [2.3a+], [bug-bison@gnu.org])
+AC_CONFIG_AUX_DIR([build-aux])

 AC_CONFIG_MACRO_DIR([m4])
 
 # 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_MACRO_DIR([m4])
 
 # 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])
-
-gl_USE_SYSTEM_EXTENSIONS
+AC_CONFIG_HEADERS([lib/config.h:lib/config.hin])

 
 # Checks for the compiler.
 
 # Checks for the compiler.

-AC_PROG_CC
-AM_PROG_CC_STDC
+AC_PROG_CC_STDC
+
+# Gnulib (early checks).
+gl_EARLY
+

 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


@@ -44,26 +43,28 @@ AC_ARG_ENABLE(gcc-warnings,
  esac],
               [enableval=no])
 if test "${enableval}" = yes; then
  esac],
               [enableval=no])
 if test "${enableval}" = yes; then

-  BISON_WARNING(-Werror)
+  gl_WARNING_CFLAGS([-Werror])

   AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
   WARNING_CFLAGS=
   AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
   WARNING_CFLAGS=

-  BISON_WARNING(-W)
-  BISON_WARNING(-Wall)
-  BISON_WARNING(-Wcast-align)
-  BISON_WARNING(-Wcast-qual)
-  BISON_WARNING(-Wformat)
-  BISON_WARNING(-Wwrite-strings)
+  gl_WARNING_CFLAGS([-Wall])
+  gl_WARNING_CFLAGS([-Wextra -Wno-sign-compare])
+  gl_WARNING_CFLAGS([-Wcast-align])
+  gl_WARNING_CFLAGS([-Wcast-qual])
+  gl_WARNING_CFLAGS([-Wformat])
+  gl_WARNING_CFLAGS([-Wpointer-arith])
+  gl_WARNING_CFLAGS([-Wwrite-strings])

   AC_SUBST([WARNING_CXXFLAGS], [$WARNING_CFLAGS])
   # The following warnings are not suitable for C++.
   AC_SUBST([WARNING_CXXFLAGS], [$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(-Wnested-externs)
-  BISON_WARNING(-Wshadow)
-  BISON_WARNING(-Wstrict-prototypes)
+  gl_WARNING_CFLAGS([-Wbad-function-cast])
+  gl_WARNING_CFLAGS([-Wmissing-declarations])
+  gl_WARNING_CFLAGS([-Wmissing-prototypes])
+  gl_WARNING_CFLAGS([-Wshadow])
+  gl_WARNING_CFLAGS([-Wstrict-prototypes])

   AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
 fi
 
   AC_DEFINE([lint], 1, [Define to 1 if the compiler is checking for lint.])
 fi
 

+BISON_TEST_FOR_WORKING_C_COMPILER
+

 AC_ARG_ENABLE([yacc],
   [AC_HELP_STRING([--disable-yacc],
      [do not build a yacc command or an -ly library])],
 AC_ARG_ENABLE([yacc],
   [AC_HELP_STRING([--disable-yacc],
      [do not build a yacc command or an -ly library])],


@@ -91,13 +92,13 @@ AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
 
 # Checks for header files.
 AC_CHECK_HEADERS_ONCE([locale.h])
 
 # Checks for header files.
 AC_CHECK_HEADERS_ONCE([locale.h])

-AM_STDBOOL_H

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

-# Checks for types.
-AC_CHECK_TYPES([uintptr_t])
+# Gnulib (later checks).  Putting them here rather than right after
+# gl_EARLY avoids some redundant checks.
+gl_INIT

 
 # Checks for library functions.
 AC_CHECK_FUNCS_ONCE([setlocale])
 
 # Checks for library functions.
 AC_CHECK_FUNCS_ONCE([setlocale])


@@ -105,10 +106,20 @@ AM_WITH_DMALLOC
 BISON_PREREQ_SUBPIPE
 BISON_PREREQ_TIMEVAR
 
 BISON_PREREQ_SUBPIPE
 BISON_PREREQ_TIMEVAR
 

-# gnulib and gettext.
-GNULIB_AUTOCONF_SNIPPET
-# We use po/Makevars.template, so we need at least gettext 0.12.
-AM_GNU_GETTEXT_VERSION([0.12])
+# Gettext.
+# We've never tested with gettext versions before 0.15, so play it safe.
+AM_GNU_GETTEXT([external], [need-formatstring-macros])
+AM_GNU_GETTEXT_VERSION([0.15])
+BISON_I18N
+
+# Internationalized parsers.
+AC_CONFIG_FILES([runtime-po/Makefile.in])
+# Autoconf macros for packages using internationalized parsers.
+aclocaldir='${datadir}/aclocal'
+AC_SUBST([aclocaldir])
+
+# Create the benchmark script.
+AC_CONFIG_FILES([etc/bench.pl], [chmod +x etc/bench.pl])

 
 # Initialize the test suite.
 AC_CONFIG_TESTDIR(tests)
 
 # Initialize the test suite.
 AC_CONFIG_TESTDIR(tests)


@@ -120,14 +131,20 @@ BISON_TEST_FOR_WORKING_CXX_COMPILER
 AM_MISSING_PROG([AUTOM4TE], [autom4te])
 # Needed by tests/atlocal.in.
 AC_SUBST([GCC])
 AM_MISSING_PROG([AUTOM4TE], [autom4te])
 # Needed by tests/atlocal.in.
 AC_SUBST([GCC])

-O0CFLAGS=`echo $CFLAGS | sed 's/-O[0-9] *//'`
+O0CFLAGS=`echo $CFLAGS | sed 's/-O[[0-9]] *//'`

 AC_SUBST([O0CFLAGS])
 AC_SUBST([O0CFLAGS])

-O0CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[0-9] *//'`
+O0CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'`

 AC_SUBST([O0CXXFLAGS])
 
 AC_SUBST([O0CXXFLAGS])
 

+gt_JAVACOMP([1.3])
+gt_JAVAEXEC
+

 AC_CONFIG_FILES([Makefile
 AC_CONFIG_FILES([Makefile

-                 config/Makefile
+                 build-aux/Makefile

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

+                 etc/Makefile
+                examples/Makefile
+                   examples/calc++/Makefile

                  lib/Makefile src/Makefile doc/Makefile])
 AC_OUTPUT
                  lib/Makefile src/Makefile doc/Makefile])
 AC_OUTPUT