summaryrefslogtreecommitdiff
path: root/tests/atlocal.in
blob: 885715f53ef11ac15dbc03f547d8fd4440ac7bb6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
# @configure_input@                                     -*- shell-script -*-
# Configurable variable values for Bison test suite.

# Copyright (C) 2000-2014 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 <http://www.gnu.org/licenses/>.

# 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.  ##
## ------------------- ##

: ${CC='@CC@'}
: ${CXX='@CXX@'}

# Is the compiler GCC?
GCC='@GCC@'

# 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@'

# 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 <<EOF
#include <config.h>
/* We don't need perfect functions for these tests. */
#undef malloc
#undef memcmp
#undef realloc
#include <iostream>

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


## ------- ##
## Other.  ##
## ------- ##

# Empty if no javac was found
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@'}

# 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