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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
# @configure_input@ -*- shell-script -*-
# Configurable variable values for Bison test suite.
# Copyright (C) 2000-2015, 2018-2022 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 <https://www.gnu.org/licenses/>.
# We need 'testsuite.h' (srcdir/test).
CPPFLAGS="-I$abs_top_srcdir/tests @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@'}
: ${WNO_DEPRECATED_CXXFLAGS='@WNO_DEPRECATED_CXXFLAGS@'}
# 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@'}
# Compiler flags to disable exception support.
: ${NO_EXCEPTIONS_CXXFLAGS='@NO_EXCEPTIONS_CXXFLAGS@'}
# Requiring a specific C++ standard.
: ${CXX98_CXXFLAGS='@CXX98_CXXFLAGS@'}
: ${CXX03_CXXFLAGS='@CXX03_CXXFLAGS@'}
: ${CXX11_CXXFLAGS='@CXX11_CXXFLAGS@'}
: ${CXX14_CXXFLAGS='@CXX14_CXXFLAGS@'}
: ${CXX17_CXXFLAGS='@CXX17_CXXFLAGS@'}
: ${CXX20_CXXFLAGS='@CXX20_CXXFLAGS@'}
: ${CXX2B_CXXFLAGS='@CXX2B_CXXFLAGS@'}
# 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=false
$CXX_COMPILER_POSIXLY_CORRECT || BISON_CXX_WORKS=false
fi
# Handle --compile-c-with-cxx here, once CXX and CXXFLAGS are known.
if "$at_arg_compile_c_with_cxx"; then
CC_IS_CXX=1
CC=$CXX
NO_WERROR_CFLAGS=$NO_WERROR_CXXFLAGS
CFLAGS="$CXXFLAGS $WNO_DEPRECATED_CXXFLAGS"
BISON_C_WORKS=$BISON_CXX_WORKS
else
CC_IS_CXX=0
fi
## ------- ##
## Other. ##
## ------- ##
# Empty if no D compiler was found.
: ${DC='@DC@'}
: ${DCFLAGS='@DCFLAGS@'}
if test x"$DC" = x; then
BISON_DC_WORKS=false
else
BISON_DC_WORKS=true
fi
# 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).
# We have an LC_ALL=C pushed onto us via maint.mk.
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
: ${XSLTPROC='@XSLTPROC@'}
# Some tests expect a precise diff format. See AT_DIFF_U_CHECK.
# See https://lists.gnu.org/r/bug-bison/2020-05/msg00049.html.
cat >conftest.1 <<EOF
1
2
3
4
5
6
EOF
cat >conftest.2 <<EOF
1
22
3
4
55
6
EOF
cat >conftest.expected <<EOF
@@ -1,6 +1,6 @@
1
-2
+22
3
4
-5
+55
6
EOF
diff -u conftest.1 conftest.2 2>/dev/null | sed -n '/^@@/,$p' | sed 's/^ $//' >conftest.diff
if diff conftest.expected conftest.diff >/dev/null; then
DIFF_U_WORKS=true
else
DIFF_U_WORKS=false
fi
rm conftest.*
|
