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- #! /bin/sh
- # Copyright (C) 1999-2017 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 that we can provide a personal 'yywrap' function through the
- # LIBOBJ machinery.
- required='cc lex'
- . test-init.sh
- cat >> configure.ac << 'END'
- AC_PROG_CC
- AC_PROG_RANLIB
- AC_PROG_LEX
- save_LIBS=$LIBS
- LIBS="$LEXLIB $LIBS"
- AC_REPLACE_FUNCS([yywrap])
- LIBS=$save_LIBS
- AC_OUTPUT
- END
- cat > Makefile.am << 'END'
- noinst_PROGRAMS = foo
- foo_SOURCES = foo.l
- foo_LDADD = $(LEXLIB) $(LIBOBJS)
- END
- cat > yywrap.c << 'END'
- int yywrap (void)
- {
- return 1;
- }
- END
- cat > foo.l <<'END'
- %{
- #define YY_NO_UNISTD_H 1
- %}
- %%
- "END" return EOF;
- .
- %%
- int main (void)
- {
- return 0;
- }
- END
- $ACLOCAL
- $AUTOCONF
- $AUTOMAKE -a
- ./configure
- grep LIBOBJS Makefile # For debugging.
- $MAKE
- $MAKE distclean
- # Force "no system lex library". Setting LEXLIB to a non-empty value
- # ensures that configure won't search for a "lex library", and simply
- # rely on the LEXLIB to provide it, if needed. So, by setting LEXLIB
- # to a blank but non-empty value we can fool configure into thinking
- # that no system-level library providing a 'yywrap' function is
- # available. See also discussion on automake bug#11306.
- ./configure LEXLIB=' '
- grep LIBOBJS Makefile # For debugging.
- grep '^LIBOBJS *=.*yywrap.*\.o' Makefile # Sanity check.
- $MAKE
- yl_distcheck
- :
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