diff options
Diffstat (limited to 't/lex-noyywrap.sh')
-rwxr-xr-x | t/lex-noyywrap.sh | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/t/lex-noyywrap.sh b/t/lex-noyywrap.sh new file mode 100755 index 000000000..1c4a13b19 --- /dev/null +++ b/t/lex-noyywrap.sh @@ -0,0 +1,75 @@ +#! /bin/sh +# Copyright (C) 1999-2012 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 2, 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/>. + +# Check Lex support with flex using the '%noyywrap' option. + +required='cc flex' +. ./defs || Exit 1 + +cat >> configure.ac << 'END' +AC_PROG_CC +AM_PROG_LEX +AC_OUTPUT +END + +cat > Makefile.am << 'END' +bin_PROGRAMS = foo +foo_SOURCES = foo.l + +.PHONY: test-no-lexlib +check-local: test-no-lexlib +test-no-lexlib: + test x'$(LEXLIB)' = x'none needed' +END + +cat > foo.l << 'END' +%option noyywrap +%{ +#define YY_NO_UNISTD_H 1 +%} +%% +"GOOD" return EOF; +. +%% +int main (void) +{ + /* We don't use a 'while' loop here (like a real lexer would do) + to avoid possible hangs. */ + if (yylex () == EOF) + return 0; + else + return 1; +} +END + +$ACLOCAL +$AUTOCONF +$AUTOMAKE -a + +./configure LEXLIB="none needed" + +# Program should build and run. +$MAKE +if cross_compiling; then :; else + echo GOOD | ./foo + echo BAD | ./foo && Exit 1 + : For shells with busted 'set -e'. +fi + +# Sanity check on distribution. +yl_distcheck DISTCHECK_CONFIGURE_FLAGS='LEXLIB="none needed"' + +: |