mirror of
https://git.savannah.gnu.org/git/bison.git
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db66acc5d0
* tests/atlocal.in: It was an error for tests to depend on gnulib: they must not, as gnulib would hide portability issues that we want to catch. So this piece of code is no longer useful, and must not be useful.
163 lines
4.0 KiB
Bash
163 lines
4.0 KiB
Bash
# @configure_input@ -*- shell-script -*-
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# Configurable variable values for Bison test suite.
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# Copyright (C) 2000-2015, 2018-2021 Free Software Foundation, Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# We need 'testsuite.h' (srcdir/test).
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CPPFLAGS="-I$abs_top_srcdir/tests @CPPFLAGS@"
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# Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched
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# as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not
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# the environment variable.
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if env | grep '^POSIXLY_CORRECT=' >/dev/null; then
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POSIXLY_CORRECT_IS_EXPORTED=true
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else
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POSIXLY_CORRECT_IS_EXPORTED=false
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fi
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## ------------------- ##
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## C/C++ Compilation. ##
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## ------------------- ##
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: ${CC='@CC@'}
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: ${CXX='@CXX@'}
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# Is the compiler GCC?
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: ${GCC='@GCC@'}
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# Sometimes a test group needs to ignore gcc warnings, so it locally
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# sets CFLAGS to this.
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: ${NO_WERROR_CFLAGS='@CFLAGS@ @WARN_CFLAGS@ @WARN_CFLAGS_TEST@'}
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: ${NO_WERROR_CXXFLAGS='@CXXFLAGS@ @WARN_CXXFLAGS@ @WARN_CXXFLAGS_TEST@'}
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: ${WNO_DEPRECATED_CXXFLAGS='@WNO_DEPRECATED_CXXFLAGS@'}
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# But most of the time, we want -Werror.
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: ${CFLAGS="$NO_WERROR_CFLAGS @WERROR_CFLAGS@"}
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: ${CXXFLAGS="$NO_WERROR_CXXFLAGS @WERROR_CXXFLAGS@"}
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# If 'exit 77'; skip all C++ tests; otherwise ':'.
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: ${BISON_CXX_WORKS='@BISON_CXX_WORKS@'}
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# Compiler flags to disable exception support.
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: ${NO_EXCEPTIONS_CXXFLAGS='@NO_EXCEPTIONS_CXXFLAGS@'}
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# Requiring a specific C++ standard.
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: ${CXX98_CXXFLAGS='@CXX98_CXXFLAGS@'}
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: ${CXX03_CXXFLAGS='@CXX03_CXXFLAGS@'}
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: ${CXX11_CXXFLAGS='@CXX11_CXXFLAGS@'}
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: ${CXX14_CXXFLAGS='@CXX14_CXXFLAGS@'}
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: ${CXX17_CXXFLAGS='@CXX17_CXXFLAGS@'}
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: ${CXX2A_CXXFLAGS='@CXX2A_CXXFLAGS@'}
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# Whether the compiler supports POSIXLY_CORRECT defined.
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: ${C_COMPILER_POSIXLY_CORRECT='@C_COMPILER_POSIXLY_CORRECT@'}
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: ${CXX_COMPILER_POSIXLY_CORRECT='@CXX_COMPILER_POSIXLY_CORRECT@'}
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if $POSIXLY_CORRECT_IS_EXPORTED; then
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$C_COMPILER_POSIXLY_CORRECT || BISON_C_WORKS=false
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$CXX_COMPILER_POSIXLY_CORRECT || BISON_CXX_WORKS=false
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fi
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# Handle --compile-c-with-cxx here, once CXX and CXXFLAGS are known.
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if "$at_arg_compile_c_with_cxx"; then
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CC_IS_CXX=1
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CC=$CXX
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NO_WERROR_CFLAGS=$NO_WERROR_CXXFLAGS
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CFLAGS="$CXXFLAGS $WNO_DEPRECATED_CXXFLAGS"
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BISON_C_WORKS=$BISON_CXX_WORKS
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else
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CC_IS_CXX=0
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fi
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## ------- ##
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## Other. ##
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## ------- ##
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# Empty if no D compiler was found.
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: ${DC='@DC@'}
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: ${DCFLAGS='@DCFLAGS@'}
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if test x"$DC" = x; then
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BISON_DC_WORKS=false
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else
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BISON_DC_WORKS=true
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fi
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# Empty if no javac was found
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: ${CONF_JAVAC='@CONF_JAVAC@'}
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# Empty if no Java VM was found
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: ${CONF_JAVA='@CONF_JAVA@'}
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# We need egrep and perl.
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: ${EGREP='@EGREP@'}
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: ${PERL='@PERL@'}
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# Use simple quotes (lib/quote.c).
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# We have an LC_ALL=C pushed onto us via maint.mk.
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LC_CTYPE=C
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export LC_CTYPE
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# Are special link options needed?
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: ${LDFLAGS='@LDFLAGS@'}
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# Are special libraries needed?
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: ${LIBS="$abs_top_builddir/lib/libbison.a @LIBS@ @INTLLIBS@"}
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# Empty if no xsltproc was found
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: ${XSLTPROC='@XSLTPROC@'}
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# Some tests expect a precise diff format. See AT_DIFF_U_CHECK.
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# See https://lists.gnu.org/r/bug-bison/2020-05/msg00049.html.
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cat >conftest.1 <<EOF
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1
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2
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3
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4
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5
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6
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EOF
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cat >conftest.2 <<EOF
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1
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22
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3
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4
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55
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6
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EOF
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cat >conftest.expected <<EOF
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@@ -1,6 +1,6 @@
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1
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-2
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+22
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3
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4
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-5
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+55
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6
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EOF
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diff -u conftest.1 conftest.2 2>/dev/null | sed -n '/^@@/,$p' | sed 's/^ $//' >conftest.diff
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if diff conftest.expected conftest.diff >/dev/null; then
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DIFF_U_WORKS=true
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else
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DIFF_U_WORKS=false
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fi
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rm conftest.*
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