# Configure template for GNU Bison. -*-Autoconf-*-
#
-# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2013 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
# 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. We need Autoconf 2.68 or
-# better to avoid a typo in the `configure --help' entry for the YACC
+# better to avoid a typo in the 'configure --help' entry for the YACC
# environment variable.
AC_PREREQ([2.68])
m4_pattern_forbid([^gl_[A-Z]])
AC_INIT([GNU Bison],
m4_esyscmd([build-aux/git-version-gen .tarball-version]),
[bug-bison@gnu.org])
-AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2012])
+AC_SUBST([PACKAGE_COPYRIGHT_YEAR], [2013])
AC_DEFINE_UNQUOTED([PACKAGE_COPYRIGHT_YEAR], [$PACKAGE_COPYRIGHT_YEAR],
[The copyright year for this package])
# releases, we want to be able run make dist without being required to
# add a bogus NEWS entry. In that case, the version string
# automatically contains a dash, which we also let disable gnits.
-AM_INIT_AUTOMAKE([1.11.1 dist-xz silent-rules]
+AM_INIT_AUTOMAKE([1.11.1 dist-xz nostdinc
+ color-tests parallel-tests
+ silent-rules]
m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [[-_]],
[gnu], [gnits]))
AM_SILENT_RULES([yes])
esac],
[enable_gcc_warnings=no])
if test "$enable_gcc_warnings" = yes; then
- warn_common='-Wall -Wextra -Wno-sign-compare -Wcast-align
+ warn_common='-Wall-Wextra -Wno-sign-compare -Wcast-align -Wdocumentation
-Wformat -Wpointer-arith -Wwrite-strings'
warn_c='-Wbad-function-cast -Wshadow -Wstrict-prototypes'
warn_cxx='-Wnoexcept'
+ # Warnings for the test suite only.
+ #
+ # -fno-color-diagnostics: Clang's use of colors in the error
+ # messages is confusing the tests looking at the compiler's output
+ # (e.g., synclines.at).
+ warn_tests='-Wundef -pedantic -Wsign-compare -fno-color-diagnostics'
+
AC_LANG_PUSH([C])
# Clang supports many of GCC's -W options, but only issues warnings
# on the ones it does not recognize. In that case, gl_WARN_ADD
AS_VAR_APPEND([WARN_CFLAGS], [" $WARN_CFLAGS_TEST"])
# Warnings for the test suite only.
- gl_WARN_ADD([-Wundef], [WARN_CFLAGS_TEST])
- gl_WARN_ADD([-pedantic], [WARN_CFLAGS_TEST])
+ for i in $warn_tests;
+ do
+ gl_WARN_ADD([$i], [WARN_CFLAGS_TEST])
+ done
CFLAGS=$save_CFLAGS
AC_LANG_POP([C])
-
AC_LANG_PUSH([C++])
save_CXXFLAGS=$CXXFLAGS
gl_WARN_ADD([-Werror=unknown-warning-option], [CXXFLAGS])
[AC_LANG_PROGRAM([], [nullptr])])
gl_WARN_ADD([-Werror], [WERROR_CXXFLAGS])
# Warnings for the test suite only.
- gl_WARN_ADD([-Wundef], [WARN_CXXFLAGS_TEST])
- gl_WARN_ADD([-pedantic], [WARN_CXXFLAGS_TEST])
+ for i in $warn_tests;
+ do
+ gl_WARN_ADD([$i], [WARN_CXXFLAGS_TEST])
+ done
+ # Clang++ 3.2+ reject C code generated by Flex.
+ gl_WARN_ADD([-Wno-null-conversion], [FLEX_SCANNER_CXXFLAGS])
+ # So does G++ 4.8...
+ gl_WARN_ADD([-Wno-sign-compare], [FLEX_SCANNER_CXXFLAGS])
+ # ... possiby in std=c++11 mode.
+ gl_WARN_ADD([-Wno-zero-as-null-pointer-constant], [FLEX_SCANNER_CXXFLAGS])
CXXFLAGS=$save_CXXFLAGS
AC_LANG_POP([C++])
fi
, [enable_yacc=yes])
case $enable_yacc in
yes)
- YACC_SCRIPT=yacc
- YACC_LIBRARY=liby.a;;
+ YACC_SCRIPT=src/yacc
+ YACC_LIBRARY=lib/liby.a;;
*)
YACC_SCRIPT=
YACC_LIBRARY=;;
# Checks for programs.
AM_MISSING_PROG([DOT], [dot])
AC_PROG_LEX
-$LEX_IS_FLEX || AC_MSG_ERROR([Flex is required])
+$LEX_IS_FLEX || test "X$LEX" = X: || {
+ AC_MSG_WARN([bypassing lex because flex is required])
+ LEX=:
+}
+AM_CONDITIONAL([FLEX_CXX_WORKS],
+ [$LEX_IS_FLEX && test $bison_cv_cxx_works = yes])
AC_PROG_YACC
AC_PROG_RANLIB
AC_PROG_GNU_M4
# 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])
case $VALGRIND:$host_os in
'':*) ;;
*:darwin*)
# See README-hacking.
- # VALGRIND+=' --suppressions=$(abs_top_srcdir)/build-aux/darwin11.4.0.valgrind'
+ # VALGRIND+='-q --suppressions=$(abs_top_srcdir)/build-aux/darwin11.4.0.valgrind'
VALGRIND=;;
*:*)
- AC_SUBST([VALGRIND_PREBISON], ["$VALGRIND -q"]);;
+ suppfile=build-aux/$host_os.valgrind
+ if test -f "$srcdir/$suppfile"; then
+ VALGRIND="$VALGRIND --gen-suppressions=all"
+ VALGRIND="$VALGRIND --suppressions=\$(abs_top_srcdir)/$suppfile"
+ fi
+ AC_SUBST([VALGRIND_PREBISON], ["$VALGRIND -q"])
+ ;;
esac
AM_MISSING_PROG([AUTOM4TE], [autom4te])
# Needed by tests/atlocal.in.
AC_SUBST([GCC])
-gt_JAVACOMP([1.3])
+gt_JAVACOMP([1.3], [1.4])
gt_JAVAEXEC
AC_CONFIG_FILES([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])
+ po/Makefile.in
+ doc/yacc.1])
AC_OUTPUT
projects / bison.git / blobdiff