* ChangeLog (2010-04-30): Fix typo.

[bison.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 930dfb15c6307a2144df2ac8cadebfc1d3c46f8b..710453b0ce4fe64f53d26121e30c0d7dd8c36c67 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,10 +1,10 @@
 # Configure template for GNU Bison.                   -*-Autoconf-*-
 #
 # Configure template for GNU Bison.                   -*-Autoconf-*-
 #

-# Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+# Copyright (C) 2001-2010 Free Software Foundation, Inc.

 #
 #

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

-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation, either version 3 of the License, or

 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,


@@ -13,53 +13,78 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # GNU General Public License for more details.
 #
 # 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
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.

 
 

-# We need a recent Autoconf to run a recent Autotest.
-AC_PREREQ(2.57)
+# In order for some versions of Sun Studio to compile our C++ test cases
+# correctly, we need Autoconf 2.64 or better to handle the restrict
+# keyword in at least string.h from gnulib.
+AC_PREREQ(2.64)

 
 

-AC_INIT([GNU Bison], [1.875c], [bug-bison@gnu.org])
-AC_CONFIG_AUX_DIR([config])
-AC_CONFIG_MACRO_DIR([m4])
+AC_INIT([GNU Bison],
+        m4_esyscmd([build-aux/git-version-gen .tarball-version]),
+        [bug-bison@gnu.org])
+AC_DEFINE([PACKAGE_COPYRIGHT_YEAR], [2010],
+          [The copyright year for this package])
+AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2010])

 
 

-AM_INIT_AUTOMAKE([1.7 check-news readme-alpha dist-bzip2])
-AC_CONFIG_HEADERS([config.h:config.hin])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_MACRO_DIR([m4])

 
 

-gl_USE_SYSTEM_EXTENSIONS
+# Automake 1.10.3 and 1.11.1 fix a security flaw discussed here:
+#
+#   http://thread.gmane.org/gmane.comp.sysutils.autotools.announce/131
+#
+# To avoid 1.11, we make 1.11.1 the minimum version.
+#
+# We want gnits strictness only when rolling a formal release so that we can,
+# for example, run make dist at other times without being required to add a
+# bogus NEWS entry.
+AM_INIT_AUTOMAKE([1.11.1 dist-bzip2]
+                 m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [-], [gnu], [gnits]))
+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
    yes|no) ;;
    *)      AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
  esac],
 AC_ARG_ENABLE(gcc-warnings,
 [  --enable-gcc-warnings   turn on lots of GCC warnings (not recommended)],
 [case "${enableval}" in
    yes|no) ;;
    *)      AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
  esac],

-              [enableval=no])
+             [enableval=no])

 if test "${enableval}" = yes; then
 if test "${enableval}" = yes; then

-  BISON_WARNING(-Werror)
-  AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
-  WARNING_CFLAGS=
-  BISON_WARNING(-Wall)
-  BISON_WARNING(-W)
-  BISON_WARNING(-Wcast-align)
-  BISON_WARNING(-Wcast-qual)
-  BISON_WARNING(-Wformat)
-  BISON_WARNING(-Wmissing-prototypes)
-  BISON_WARNING(-Wshadow)
-  BISON_WARNING(-Wstrict-prototypes)
-  BISON_WARNING(-Wwrite-strings)
-  AC_SUBST([WARNING_CXXFLAGS], [$WARNING_CFLAGS])
+  gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
+  AC_SUBST([WERROR_CFLAGS])
+  gl_WARN_ADD([-Wall])
+  gl_WARN_ADD([-Wextra -Wno-sign-compare])
+  gl_WARN_ADD([-Wcast-align])
+  gl_WARN_ADD([-Wcast-qual])
+  gl_WARN_ADD([-Wformat])
+  gl_WARN_ADD([-Wpointer-arith])
+  gl_WARN_ADD([-Wwrite-strings])
+  AC_SUBST([WARN_CXXFLAGS], [$WARN_CFLAGS])

   # The following warnings are not suitable for C++.
   # The following warnings are not suitable for C++.

-  BISON_WARNING(-Wbad-function-cast)
-  BISON_WARNING(-Wmissing-declarations)
-  BISON_WARNING(-Wnested-externs)
+  gl_WARN_ADD([-Wbad-function-cast])
+  gl_WARN_ADD([-Wmissing-declarations])
+  gl_WARN_ADD([-Wmissing-prototypes])
+  gl_WARN_ADD([-Wshadow])
+  gl_WARN_ADD([-Wstrict-prototypes])
+  AC_SUBST([WARN_CFLAGS])
+  # Warnings for the test suite only.
+  gl_WARN_ADD([-Wundef], [WARN_CFLAGS_TEST])
+  WARN_CXXFLAGS_TEST="$WARN_CXXFLAGS $WARN_CFLAGS_TEST"
+  WARN_CFLAGS_TEST="$WARN_CFLAGS $WARN_CFLAGS_TEST"
+  AC_SUBST([WARN_CXXFLAGS_TEST])
+  AC_SUBST([WARN_CFLAGS_TEST])

   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])],


@@ -79,21 +104,23 @@ AC_SUBST([YACC_LIBRARY])
 AC_PROG_LEX
 AC_PROG_YACC
 AC_PROG_RANLIB
 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_PROG_GNU_M4

 AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
 AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])

+AC_DEFINE_UNQUOTED([M4_GNU_OPTION], ["$M4_GNU"], [Define to "-g" if GNU M4
+supports -g, otherwise to "".])
+AM_MISSING_PROG([HELP2MAN], [help2man])
+AC_PATH_PROG([XSLTPROC], [xsltproc])
+AC_SUBST([XSLTPROC])

 
 # 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])


@@ -101,9 +128,21 @@ AM_WITH_DMALLOC
 BISON_PREREQ_SUBPIPE
 BISON_PREREQ_TIMEVAR
 
 BISON_PREREQ_SUBPIPE
 BISON_PREREQ_TIMEVAR
 

-# gnulib and gettext.
-GNULIB_AUTOCONF_SNIPPET
-AM_GNU_GETTEXT_VERSION([0.14.1])
+# Gettext.
+# We use gnulib, which is only guaranteed to work properly with the
+# latest Gettext.
+AM_GNU_GETTEXT([external], [need-ngettext])
+AM_GNU_GETTEXT_VERSION([0.17])
+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)


@@ -111,15 +150,24 @@ AC_CONFIG_FILES([tests/Makefile tests/atlocal])
 AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
 AC_CHECK_PROGS([VALGRIND], [valgrind])
 AC_PROG_CXX
 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])
 AM_MISSING_PROG([AUTOM4TE], [autom4te])
 # Needed by tests/atlocal.in.
 AC_SUBST([GCC])

-O0CFLAGS=`echo $CFLAGS | sed 's/-O[0-9] *//'`
-AC_SUBST([O0CFLAGS])
+AC_SUBST([O0CFLAGS],   [`echo $CFLAGS   | sed 's/-O[[0-9]] *//'`])
+AC_SUBST([O0CXXFLAGS], [`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'`])
+
+gt_JAVACOMP([1.3])
+gt_JAVAEXEC

 
 AC_CONFIG_FILES([Makefile
 
 AC_CONFIG_FILES([Makefile

-                 config/Makefile
-                 po/Makefile.in
-                 data/Makefile
-                 lib/Makefile src/Makefile doc/Makefile])
+                build-aux/Makefile
+                po/Makefile.in
+                data/Makefile
+                etc/Makefile
+                examples/Makefile
+                   examples/calc++/Makefile
+                lib/Makefile src/Makefile
+                doc/Makefile
+                  doc/yacc.1])

 AC_OUTPUT
 AC_OUTPUT