2 # Copyright (C) 2011-2012 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # Check that we can get use the 'yywrap' function from a system-wide
18 # library, if that's available.
23 cat >> configure.ac << 'END'
30 cat > Makefile.am << 'END'
33 lexer_LDADD = $(LEXLIB)
37 test x'$(LEXLIB)' != x
38 echo 'int main (void) { return yywrap (); }' > x.c
40 $(CC) x.$(OBJEXT) $(LEXLIB)
41 rm -f x.c *.$(OBJEXT) *.o *.out *.exe
46 #define YY_NO_UNISTD_H 1
54 /* We don't use a 'while' loop here (like a real lexer would do)
55 to avoid possible hangs. */
68 $MAKE have-lexlib || skip_ "no system-wide lex library found"
70 # Program should build and run and distribute.
72 if ! cross_compiling; then
74 echo BAD | ./lexer && exit 1
75 : For shells with busted 'set -e'.