X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/23d13411c85d3a8705f9507219f61eddea57a218..0bd5ee5f8919a74cd3f4b8da3f51da99193e1319:/tests/atlocal.in diff --git a/tests/atlocal.in b/tests/atlocal.in index e350d137..0184ae19 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) 2000-2013 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 @@ -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 $POSIXLY_CORRECT is set, as Bash, when launched +# as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not +# the environment variable. +if env | grep '^POSIXLY_CORRECT=' >/dev/null; then + POSIXLY_CORRECT_IS_EXPORTED=true +else + POSIXLY_CORRECT_IS_EXPORTED=false +fi + ## ------------------- ## ## C/C++ Compilation. ## ## ------------------- ## @@ -41,12 +50,54 @@ CXXFLAGS="$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=$CXX NO_WERROR_CFLAGS=$NO_WERROR_CXXFLAGS CFLAGS=$CXXFLAGS + BISON_C_WORKS=$BISON_CXX_WORKS else CC_IS_CXX=0 fi @@ -79,9 +130,12 @@ LIBS="$abs_top_builddir/lib/libbison.a @LIBS@ @INTLLIBS@" # Empty if no xsltproc was found : ${XSLTPROC='@XSLTPROC@'} - -# Handle --compile-c-with-cxx here, once CXX and CXXFLAGS are known. -if "$at_arg_compile_c_with_cxx"; then - CC=$CXX - CFLAGS=$CXXFLAGS +# 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