POSIX: complain if %prec's token was not defined.

[bison.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 29117f1d163b1481e0b4115146461463460abd46..8e9fc29644eb4387fe901f5373f3bdbf15f87e8f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 # Configure template for GNU Bison.                   -*-Autoconf-*-
 #
 # Configure template for GNU Bison.                   -*-Autoconf-*-
 #

-# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software
-# Foundation, Inc.
+# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+# 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


@@ -16,8 +16,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 

-# We have strange test case titles, so we need Autoconf 2.61 or better.
-AC_PREREQ(2.61)
+# testsuite -C appears in 2.62.
+AC_PREREQ(2.62)

 
 AC_INIT([GNU Bison],
         m4_esyscmd([build-aux/git-version-gen .tarball-version]),
 
 AC_INIT([GNU Bison],
         m4_esyscmd([build-aux/git-version-gen .tarball-version]),


@@ -68,6 +68,12 @@ if test "${enableval}" = yes; then
   gl_WARN_ADD([-Wshadow])
   gl_WARN_ADD([-Wstrict-prototypes])
   AC_SUBST([WARN_CFLAGS])
   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
 


@@ -79,8 +85,8 @@ AC_ARG_ENABLE([yacc],
   , [enable_yacc=yes])
 case $enable_yacc in
 yes)
   , [enable_yacc=yes])
 case $enable_yacc in
 yes)

-  YACC_SCRIPT=yacc
-  YACC_LIBRARY=liby.a;;
+  YACC_SCRIPT=src/yacc
+  YACC_LIBRARY=lib/liby.a;;

 *)
   YACC_SCRIPT=
   YACC_LIBRARY=;;
 *)
   YACC_SCRIPT=
   YACC_LIBRARY=;;


@@ -92,11 +98,10 @@ 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])
 AM_MISSING_PROG([HELP2MAN], [help2man])
 AC_PATH_PROG([XSLTPROC], [xsltproc])
 AC_SUBST([XSLTPROC])


@@ -118,9 +123,10 @@ BISON_PREREQ_SUBPIPE
 BISON_PREREQ_TIMEVAR
 
 # Gettext.
 BISON_PREREQ_TIMEVAR
 
 # 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])
+# 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.
 BISON_I18N
 
 # Internationalized parsers.


@@ -134,7 +140,7 @@ 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)

-AC_CONFIG_FILES([tests/Makefile tests/atlocal])
+AC_CONFIG_FILES([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


@@ -148,11 +154,16 @@ AC_SUBST([O0CXXFLAGS], [`echo $CXXFLAGS | sed 's/-O[[0-9]] *//'`])
 gt_JAVACOMP([1.3], [1.4])
 gt_JAVAEXEC
 
 gt_JAVACOMP([1.3], [1.4])
 gt_JAVAEXEC
 

+# We use gnulib, but from lib/local.mk instead of lib/Makefile.am.
+# So prefix paths with lib/.  See also etc/prefix-gnulib-mk.
+gl_LIBOBJS=`echo "$gl_LIBOBJS" | sed -e 's, , lib/,g'`
+for ac_var in ALLOCA_H ERRNO_H FCNTL_H GETOPT_H INTTYPES_H \
+              STDBOOL_H STDINT_H SYS_WAIT_H WCHAR_H WCTYPE_H
+do
+  eval "test 'x$ac_var' = x || $ac_var=lib/\$$ac_var"
+done

 AC_CONFIG_FILES([Makefile
                 po/Makefile.in
 AC_CONFIG_FILES([Makefile
                 po/Makefile.in

-                data/Makefile

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

-                lib/Makefile src/Makefile
-                doc/Makefile
-                  doc/yacc.1])
+                doc/yacc.1])

 AC_OUTPUT
 AC_OUTPUT