t/lex-lib.sh

   1 #! /bin/sh
   2 # Copyright (C) 1999-2017 Free Software Foundation, Inc.
   3 #
   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)
   7 # any later version.
   8 #
   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.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Check that we can provide a personal 'yywrap' function in a custom
  18 # library.
  19 # See also test 'lex-lib-external.sh'.
  20
  21 required='cc lex'
  22 . test-init.sh
  23
  24 cat >> configure.ac << 'END'
  25 AC_PROG_CC
  26 AM_PROG_AR
  27 AC_PROG_RANLIB
  28 LEXLIB=libmylex.a
  29 AC_PROG_LEX
  30 AC_OUTPUT
  31 END
  32
  33 cat > Makefile.am << 'END'
  34 bin_PROGRAMS = lexer
  35 lexer_SOURCES = foo.l
  36 lexer_LDADD = $(LEXLIB)
  37 EXTRA_lexer_DEPENDENCIES = $(LEXLIB)
  38 noinst_LIBRARIES = libmylex.a
  39 libmylex_a_SOURCES = mu.c
  40 END
  41
  42 cat > mu.c << 'END'
  43 int yywrap (void)
  44 {
  45   return 1;
  46 }
  47 END
  48
  49 cat > foo.l <<'END'
  50 %{
  51 #define YY_NO_UNISTD_H 1
  52 %}
  53 %%
  54 "END" return EOF;
  55 .
  56 %%
  57 int main (void)
  58 {
  59   return 0;
  60 }
  61 END
  62
  63 $ACLOCAL
  64 $AUTOCONF
  65 $AUTOMAKE -a
  66
  67 ./configure
  68 $MAKE
  69 test -f foo.c
  70 test -f libmylex.a
  71
  72 :