t/lex-lib.sh

   1 #! /bin/sh
   2 # Copyright (C) 1999-2024 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 AM_LFLAGS = --never-interactive
  35
  36 bin_PROGRAMS = lexer
  37 lexer_SOURCES = foo.l
  38 lexer_LDADD = $(LEXLIB)
  39 EXTRA_lexer_DEPENDENCIES = $(LEXLIB)
  40 noinst_LIBRARIES = libmylex.a
  41 libmylex_a_SOURCES = mu.c
  42 END
  43
  44 cat > mu.c << 'END'
  45 int yywrap (void)
  46 {
  47   return 1;
  48 }
  49 END
  50
  51 cat > foo.l <<'END'
  52 %%
  53 "END" return EOF;
  54 .
  55 %%
  56 int main (void)
  57 {
  58   return 0;
  59 }
  60 END
  61
  62 $ACLOCAL
  63 $AUTOCONF
  64 $AUTOMAKE -a
  65
  66 ./configure
  67 $MAKE
  68 test -f foo.c
  69 test -f libmylex.a
  70
  71 :