80 lines
1.7 KiB
Bash
80 lines
1.7 KiB
Bash
#! /bin/sh
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# Copyright (C) 2011-2017 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 2, or (at your option)
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# 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 <http://www.gnu.org/licenses/>.
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# Check that we can get use the 'yywrap' function from a system-wide
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# library, if that's available.
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required='cc lex'
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. test-init.sh
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cat >> configure.ac << 'END'
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AC_PROG_CC
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AC_PROG_RANLIB
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AC_PROG_LEX
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AC_OUTPUT
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END
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cat > Makefile.am << 'END'
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bin_PROGRAMS = lexer
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lexer_SOURCES = foo.l
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lexer_LDADD = $(LEXLIB)
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.PHONY: have-lexlib
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have-lexlib:
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test x'$(LEXLIB)' != x
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echo 'int main (void) { return yywrap (); }' > x.c
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$(CC) -c x.c
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$(CC) x.$(OBJEXT) $(LEXLIB)
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rm -f x.c *.$(OBJEXT) *.o *.out *.exe
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END
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cat > foo.l <<'END'
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%{
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#define YY_NO_UNISTD_H 1
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%}
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%%
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"GOOD" return EOF;
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.
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%%
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int main (void)
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{
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/* We don't use a 'while' loop here (like a real lexer would do)
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to avoid possible hangs. */
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if (yylex () == EOF)
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return 0;
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else
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return 1;
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}
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END
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$ACLOCAL
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$AUTOCONF
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$AUTOMAKE -a
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./configure
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$MAKE have-lexlib || skip_ "no system-wide lex library found"
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# Program should build and run and distribute.
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$MAKE all
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if ! cross_compiling; then
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echo GOOD | ./lexer
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echo BAD | ./lexer && exit 1
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: For shells with busted 'set -e'.
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fi
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yl_distcheck
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:
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