tests/atlocal.in

   1 # @configure_input@                                     -*- shell-script -*-
   2 # Configurable variable values for Bison test suite.
   3
   4 # Copyright (C) 2000-2013 Free Software Foundation, Inc.
   5 #
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 # We need 'config.h'.
  20 CPPFLAGS="-I$abs_top_builddir/lib @CPPFLAGS@"
  21
  22 # Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched
  23 # as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not
  24 # the environment variable.
  25 if env | grep '^POSIXLY_CORRECT=' >/dev/null; then
  26   POSIXLY_CORRECT_IS_EXPORTED=true
  27 else
  28   POSIXLY_CORRECT_IS_EXPORTED=false
  29 fi
  30
  31 ## ------------------- ##
  32 ## C/C++ Compilation.  ##
  33 ## ------------------- ##
  34
  35 : ${CC='@CC@'}
  36 : ${CXX='@CXX@'}
  37
  38 # Is the compiler GCC?
  39 GCC='@GCC@'
  40
  41 # Sometimes a test group needs to ignore gcc warnings, so it locally
  42 # sets CFLAGS to this.
  43   NO_WERROR_CFLAGS='@CFLAGS@   @WARN_CFLAGS@   @WARN_CFLAGS_TEST@'
  44 NO_WERROR_CXXFLAGS='@CXXFLAGS@ @WARN_CXXFLAGS@ @WARN_CXXFLAGS_TEST@'
  45
  46 # But most of the time, we want -Werror.
  47   CFLAGS="$NO_WERROR_CFLAGS   @WERROR_CFLAGS@"
  48 CXXFLAGS="$NO_WERROR_CXXFLAGS @WERROR_CXXFLAGS@"
  49
  50 # If 'exit 77'; skip all C++ tests; otherwise ':'.
  51 BISON_CXX_WORKS='@BISON_CXX_WORKS@'
  52
  53 # Be sure that the C++ compiler is not broken because of gnulib.  This
  54 # cannot be checked in configure (gnulib is not parameterized yet),
  55 # and checking this in every C++ test in AC_COMPILE_CXX is too costly.
  56 #
  57 # http://lists.gnu.org/archive/html/bug-bison/2013-06/msg00001.html
  58 #
  59 # FIXME: Check (say 2014) whether this is still needed.
  60 if $BISON_CXX_WORKS; then
  61   # See AT_DATA_SOURCE_PROLOGUE.
  62   cat >conftest.cc <<EOF
  63 #include <config.h>
  64 /* We don't need perfect functions for these tests. */
  65 #undef malloc
  66 #undef memcmp
  67 #undef realloc
  68 #include <iostream>
  69
  70 int main ()
  71 {
  72   std::cout << "Works" << std::endl;
  73 }
  74 EOF
  75   $CXX $CXXFLAGS $CPPFLAGS $LDFLAGS $LIBS -o conftest conftest.cc
  76   case $? in
  77    0);;
  78    *) BISON_CXX_WORKS="as_fn_error 77 cannot-compile-simple-program";;
  79   esac
  80   rm -fr conftest*
  81 fi
  82
  83 # Whether the compiler supports POSIXLY_CORRECT defined.
  84 : ${C_COMPILER_POSIXLY_CORRECT='@C_COMPILER_POSIXLY_CORRECT@'}
  85 : ${CXX_COMPILER_POSIXLY_CORRECT='@CXX_COMPILER_POSIXLY_CORRECT@'}
  86
  87 if $POSIXLY_CORRECT_IS_EXPORTED; then
  88   $C_COMPILER_POSIXLY_CORRECT ||
  89     BISON_C_WORKS="as_fn_error 77 POSIXLY_CORRECT"
  90   $CXX_COMPILER_POSIXLY_CORRECT ||
  91     BISON_CXX_WORKS="as_fn_error 77 POSIXLY_CORRECT"
  92 fi
  93
  94 # Handle --compile-c-with-cxx here, once CXX and CXXFLAGS are known.
  95 if "$at_arg_compile_c_with_cxx"; then
  96   CC_IS_CXX=1
  97   CC=$CXX
  98   NO_WERROR_CFLAGS=$NO_WERROR_CXXFLAGS
  99   CFLAGS=$CXXFLAGS
 100   BISON_C_WORKS=$BISON_CXX_WORKS
 101 else
 102   CC_IS_CXX=0
 103 fi
 104
 105
 106 ## ------- ##
 107 ## Other.  ##
 108 ## ------- ##
 109
 110 # Empty if no javac was found
 111 CONF_JAVAC='@CONF_JAVAC@'
 112
 113 # Empty if no Java VM was found
 114 CONF_JAVA='@CONF_JAVA@'
 115
 116 # We need egrep and perl.
 117 : ${EGREP='@EGREP@'}
 118 : ${PERL='@PERL@'}
 119
 120 # Use simple quotes (lib/quote.c).
 121 LC_CTYPE=C
 122 export LC_CTYPE
 123
 124 # Are special link options needed?
 125 LDFLAGS='@LDFLAGS@'
 126
 127 # Are special libraries needed?
 128 LIBS="$abs_top_builddir/lib/libbison.a @LIBS@ @INTLLIBS@"
 129
 130 # Empty if no xsltproc was found
 131 : ${XSLTPROC='@XSLTPROC@'}
 132
 133 # Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched
 134 # as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not
 135 # the environment variable.
 136 : ${C_COMPILER_POSIXLY_CORRECT='@C_COMPILER_POSIXLY_CORRECT@'}
 137 if env | grep '^POSIXLY_CORRECT=' >/dev/null; then
 138   POSIXLY_CORRECT_IS_EXPORTED=true
 139 else
 140   POSIXLY_CORRECT_IS_EXPORTED=false
 141 fi