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