X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/873ac263c87739dd2afadf9679900df3d471582d..952416114729b95209dccfc4edacfc1ff13b4e82:/tests/atlocal.in diff --git a/tests/atlocal.in b/tests/atlocal.in index 2e463290..406f72d5 100644 --- a/tests/atlocal.in +++ b/tests/atlocal.in @@ -1,35 +1,111 @@ -# @configure_input@ -*- shell-script -*- +# @configure_input@ -*- shell-script -*- # Configurable variable values for Bison test suite. -# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, -# 2009 Free Software Foundation, Inc. +# Copyright (C) 2000-2015 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 +# 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, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# 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, see . -# We need a C compiler. -: ${CC='@CC@'} +# We need 'config.h'. +CPPFLAGS="-I$abs_top_builddir/lib @CPPFLAGS@" -# We want no optimization. -CFLAGS='@O0CFLAGS@ @WARN_CFLAGS@ @WERROR_CFLAGS@' +# Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched +# as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not +# the environment variable. +if env | grep '^POSIXLY_CORRECT=' >/dev/null; then + POSIXLY_CORRECT_IS_EXPORTED=true +else + POSIXLY_CORRECT_IS_EXPORTED=false +fi -# We need `config.h'. -CPPFLAGS="-I$abs_top_builddir/lib @CPPFLAGS@" +## ------------------- ## +## C/C++ Compilation. ## +## ------------------- ## + +: ${CC='@CC@'} +: ${CXX='@CXX@'} # Is the compiler GCC? GCC='@GCC@' -# The C++ compiler. -: ${CXX='@CXX@'} +# Sometimes a test group needs to ignore gcc warnings, so it locally +# sets CFLAGS to this. + NO_WERROR_CFLAGS='@CFLAGS@ @WARN_CFLAGS@ @WARN_CFLAGS_TEST@' +NO_WERROR_CXXFLAGS='@CXXFLAGS@ @WARN_CXXFLAGS@ @WARN_CXXFLAGS_TEST@' + +# But most of the time, we want -Werror. + CFLAGS="$NO_WERROR_CFLAGS @WERROR_CFLAGS@" +CXXFLAGS="$NO_WERROR_CXXFLAGS @WERROR_CXXFLAGS@" # If 'exit 77'; skip all C++ tests; otherwise ':'. BISON_CXX_WORKS='@BISON_CXX_WORKS@' -# We want no optimization with C++, too. -CXXFLAGS='@O0CXXFLAGS@ @WARN_CXXFLAGS@ @WERROR_CFLAGS@' +# Be sure that the C++ compiler is not broken because of gnulib. This +# cannot be checked in configure (gnulib is not parameterized yet), +# and checking this in every C++ test in AC_COMPILE_CXX is too costly. +# +# http://lists.gnu.org/archive/html/bug-bison/2013-06/msg00001.html +# +# FIXME: Check (say 2014) whether this is still needed. +if $BISON_CXX_WORKS; then + # See AT_DATA_SOURCE_PROLOGUE. + cat >conftest.cc < +/* We don't need perfect functions for these tests. */ +#undef malloc +#undef memcmp +#undef realloc +#include -# Are special link options needed? -LDFLAGS='@LDFLAGS@' +int main () +{ + std::cout << "Works" << std::endl; +} +EOF + $CXX $CXXFLAGS $CPPFLAGS $LDFLAGS $LIBS -o conftest conftest.cc + case $? in + 0);; + *) BISON_CXX_WORKS="as_fn_error 77 cannot-compile-simple-program";; + esac + rm -fr conftest* +fi -# Are special libraries needed? -LIBS='@LIBS@ @INTLLIBS@' +# Whether the compiler supports POSIXLY_CORRECT defined. +: ${C_COMPILER_POSIXLY_CORRECT='@C_COMPILER_POSIXLY_CORRECT@'} +: ${CXX_COMPILER_POSIXLY_CORRECT='@CXX_COMPILER_POSIXLY_CORRECT@'} + +if $POSIXLY_CORRECT_IS_EXPORTED; then + $C_COMPILER_POSIXLY_CORRECT || + BISON_C_WORKS="as_fn_error 77 POSIXLY_CORRECT" + $CXX_COMPILER_POSIXLY_CORRECT || + BISON_CXX_WORKS="as_fn_error 77 POSIXLY_CORRECT" +fi + +# Handle --compile-c-with-cxx here, once CXX and CXXFLAGS are known. +if "$at_arg_compile_c_with_cxx"; then + CC_IS_CXX=1 + CC=$CXX + NO_WERROR_CFLAGS=$NO_WERROR_CXXFLAGS + CFLAGS=$CXXFLAGS + BISON_C_WORKS=$BISON_CXX_WORKS +else + CC_IS_CXX=0 +fi + + +## ------- ## +## Other. ## +## ------- ## # Empty if no javac was found CONF_JAVAC='@CONF_JAVAC@' @@ -37,10 +113,29 @@ CONF_JAVAC='@CONF_JAVAC@' # Empty if no Java VM was found CONF_JAVA='@CONF_JAVA@' +# We need egrep and perl. +: ${EGREP='@EGREP@'} +: ${PERL='@PERL@'} + +# Use simple quotes (lib/quote.c). +LC_CTYPE=C +export LC_CTYPE + +# Are special link options needed? +LDFLAGS='@LDFLAGS@' + +# Are special libraries needed? +LIBS="$abs_top_builddir/lib/libbison.a @LIBS@ @INTLLIBS@" + # Empty if no xsltproc was found : ${XSLTPROC='@XSLTPROC@'} -# We need egrep. -: ${EGREP='@EGREP@'} - -abs_top_srcdir='@abs_top_srcdir@' +# Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched +# as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not +# the environment variable. +: ${C_COMPILER_POSIXLY_CORRECT='@C_COMPILER_POSIXLY_CORRECT@'} +if env | grep '^POSIXLY_CORRECT=' >/dev/null; then + POSIXLY_CORRECT_IS_EXPORTED=true +else + POSIXLY_CORRECT_IS_EXPORTED=false +fi