t/cxx-lt-demo.sh

   1 #! /bin/sh
   2 # Copyright (C) 2012-2024 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 # Demo on Libtool/C++ support.
  18
  19 required='libtoolize c++'
  20 am_create_testdir=empty
  21 . test-init.sh
  22
  23 cat > configure.ac << 'END'
  24 AC_INIT([GNU C++/Libtool Demo], [0.73], [bug-automake@gnu.org])
  25 AC_CONFIG_SRCDIR([lib/libfoo.c++])
  26 AC_CONFIG_AUX_DIR([ax])
  27 AM_INIT_AUTOMAKE
  28 AC_CANONICAL_HOST
  29 AC_CANONICAL_BUILD
  30 AC_PROG_CXX
  31 AM_PROG_AR
  32 LT_INIT
  33 AC_CONFIG_FILES([
  34   Makefile
  35   src/Makefile
  36   lib/Makefile
  37   try.sh:try.in
  38 ])
  39 AC_OUTPUT
  40 END
  41
  42 mkdir ax lib src
  43
  44 cat > Makefile.am <<'END'
  45 SUBDIRS = lib src
  46
  47 AUTOMAKE_OPTIONS = parallel-tests
  48 TEST_EXTENSIONS = .sh
  49 SH_LOG_COMPILER = $(SHELL) -ex
  50 TESTS = try.sh
  51
  52 .PHONY: test-objs
  53 check-local: test-objs
  54 test-objs:
  55         test -f src/main.$(OBJEXT)
  56         test -f lib/libfoo.lo
  57 END
  58
  59 cat > src/Makefile.am << 'END'
  60 bin_PROGRAMS = zardoz
  61 zardoz_SOURCES = main.cc
  62 zardoz_LDADD = $(top_builddir)/lib/libfoo.la
  63 AM_CPPFLAGS = -I$(top_builddir)/lib
  64 END
  65
  66 cat > lib/Makefile.am << 'END'
  67 lib_LTLIBRARIES = libfoo.la
  68 nodist_libfoo_la_SOURCES = libfoo.h++
  69 libfoo_la_SOURCES = libfoo.c++
  70 libfoo.h++: $(srcdir)/libfoo.c++
  71         echo '#include <string>' >$@-t
  72         grep "target *(" "$(srcdir)/libfoo.c++" >>$@-t
  73         echo ';' >>$@-t
  74         chmod a-w $@-t && mv -f $@-t $@
  75 BUILT_SOURCES = libfoo.h++
  76 DISTCLEANFILES = $(BUILT_SOURCES)
  77 END
  78
  79 cat > try.in << 'END'
  80 #!/bin/sh
  81 set -e
  82 if test x"$host_alias" = x || test x"$build_alias" = x"$host_alias"; then
  83   ./src/zardoz
  84   test "`./src/zardoz`" = 'Howdy, Testsuite!'
  85 else
  86   echo "Skip: cannot run a cross-compiled program"
  87   exit 77
  88 fi
  89 END
  90
  91 libtoolize --copy
  92 $ACLOCAL
  93 $AUTOCONF
  94 $AUTOMAKE --add-missing --copy
  95
  96 ls -l . ax # For debugging.
  97 # Ideally, the 'compile' script should not be required by C++ compilers.
  98 # But alas, LT_INIT seems to invoke AC_PROG_CC anyway, and that brings in
  99 # that script.
 100 for f in ltmain.sh depcomp compile config.guess config.sub; do
 101   test -f ax/$f && test ! -h ax/$f || exit 1
 102 done
 103
 104 cat > src/main.cc << 'END'
 105 #include "libfoo.h++"
 106 #include <iostream>
 107 using namespace std;
 108 int main (void)
 109 {
 110   cout << "Howdy, " << target () << "!" << endl;
 111   return 0;
 112 }
 113 END
 114
 115 cat > lib/libfoo.c++ << 'END'
 116 #include "libfoo.h++"
 117 std::string target (void)
 118 {
 119   std::string s1 = "Test";
 120   std::string s2 = "suite";
 121   return (s1 + s2);
 122 }
 123 END
 124
 125 ./configure
 126 run_make CC=false
 127 ls -l . src lib # For debugging.
 128 $MAKE test-objs
 129 VERBOSE=yes $MAKE check-TESTS
 130 grep 'Howdy.*Testsuite' try.log || grep 'Skip:.*cross-compiled' try.log
 131
 132 $MAKE distcheck
 133
 134 :