X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/11b192127cac086338bfaa43f3bab3acda8e3a20..952416114729b95209dccfc4edacfc1ff13b4e82:/tests/atlocal.in diff --git a/tests/atlocal.in b/tests/atlocal.in index 8adb3933..406f72d5 100644 --- a/tests/atlocal.in +++ b/tests/atlocal.in @@ -1,7 +1,7 @@ # @configure_input@ -*- shell-script -*- # Configurable variable values for Bison test suite. -# Copyright (C) 2000-2012 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 @@ -16,9 +16,18 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see . -# We need `config.h'. +# We need 'config.h'. CPPFLAGS="-I$abs_top_builddir/lib @CPPFLAGS@" +# Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched +# as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not +# the environment variable. +if env | grep '^POSIXLY_CORRECT=' >/dev/null; then + POSIXLY_CORRECT_IS_EXPORTED=true +else + POSIXLY_CORRECT_IS_EXPORTED=false +fi + ## ------------------- ## ## C/C++ Compilation. ## ## ------------------- ## @@ -29,16 +38,10 @@ CPPFLAGS="-I$abs_top_builddir/lib @CPPFLAGS@" # Is the compiler GCC? GCC='@GCC@' -# We want no optimization, as they uncover warnings (therefore, -# failures) about uninitialized variables in the test suite. FIXME: -# fix the warnings, not the flags. - O0CFLAGS=`echo '@CFLAGS@' | sed 's/-O[0-9s] *//g'` -O0CXXFLAGS=`echo '@CXXFLAGS@' | sed 's/-O[0-9s] *//g'` - # Sometimes a test group needs to ignore gcc warnings, so it locally # sets CFLAGS to this. - NO_WERROR_CFLAGS="$O0CFLAGS @WARN_CFLAGS@ @WARN_CFLAGS_TEST@" -NO_WERROR_CXXFLAGS="$O0CXXFLAGS @WARN_CXXFLAGS@ @WARN_CXXFLAGS_TEST@" + 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="$NO_WERROR_CFLAGS @WERROR_CFLAGS@" @@ -47,13 +50,54 @@ CXXFLAGS="$NO_WERROR_CXXFLAGS @WERROR_CXXFLAGS@" # If 'exit 77'; skip all C++ tests; otherwise ':'. BISON_CXX_WORKS='@BISON_CXX_WORKS@' +# 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 + +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 + +# 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=$CXX - O0CFLAGS=$O0CXXFLAGS NO_WERROR_CFLAGS=$NO_WERROR_CXXFLAGS CFLAGS=$CXXFLAGS + BISON_C_WORKS=$BISON_CXX_WORKS else CC_IS_CXX=0 fi @@ -63,21 +107,12 @@ fi ## Other. ## ## ------- ## -# Are special link options needed? -LDFLAGS='@LDFLAGS@' - -# Are special libraries needed? -LIBS="$abs_top_builddir/lib/libbison.a @LIBS@ @INTLLIBS@" - # Empty if no javac was found CONF_JAVAC='@CONF_JAVAC@' # Empty if no Java VM was found CONF_JAVA='@CONF_JAVA@' -# Empty if no xsltproc was found -: ${XSLTPROC='@XSLTPROC@'} - # We need egrep and perl. : ${EGREP='@EGREP@'} : ${PERL='@PERL@'} @@ -86,9 +121,21 @@ CONF_JAVA='@CONF_JAVA@' LC_CTYPE=C export LC_CTYPE +# Are special link options needed? +LDFLAGS='@LDFLAGS@' -# Handle --compile-c-with-cxx here, once CXX and CXXFLAGS are known. -if "$at_arg_compile_c_with_cxx"; then - CC=$CXX - CFLAGS=$CXXFLAGS +# Are special libraries needed? +LIBS="$abs_top_builddir/lib/libbison.a @LIBS@ @INTLLIBS@" + +# Empty if no xsltproc was found +: ${XSLTPROC='@XSLTPROC@'} + +# 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