[PATCH 08/10] objc, objc++: test automatic dependency tracking

[Stefano Lattarini]

* t/objc-deps.sh, t/objcxx-deps.sh: New tests.
* t/list-of-tests.mk: Add them.

Signed-off-by: Stefano Lattarini <address@hidden>
---
 t/list-of-tests.mk |    2 ++
 t/objc-deps.sh     |   72 ++++++++++++++++++++++++++++++++++++++++++++++
 t/objcxx-deps.sh   |   81 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 155 insertions(+)
 create mode 100755 t/objc-deps.sh
 create mode 100755 t/objcxx-deps.sh

diff --git a/t/list-of-tests.mk b/t/list-of-tests.mk
index 41f8927..8e33f38 100644
--- a/t/list-of-tests.mk
+++ b/t/list-of-tests.mk
@@ -704,8 +704,10 @@ t/notrans.sh \
 t/number.sh \
 t/objc-basic.sh \
 t/objc-minidemo.sh \
+t/objc-deps.sh \
 t/objcxx-basic.sh \
 t/objcxx-minidemo.sh \
+t/objcxx-deps.sh \
 t/objext-pr10128.sh \
 t/obsolete.sh \
 t/oldvars.sh \
diff --git a/t/objc-deps.sh b/t/objc-deps.sh
new file mode 100755
index 0000000..a2e4212
--- /dev/null
+++ b/t/objc-deps.sh
@@ -0,0 +1,72 @@
+#! /bin/sh
+# Copyright (C) 2012 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/>.
+
+# Automatic dependency tracking for Objective C.
+# See also sister test 'objcxx-deps.sh'.
+
+. ./defs || Exit 1
+
+cat >> configure.ac << 'END'
+AC_PROG_OBJC
+AC_OUTPUT
+END
+
+cat > Makefile.am << 'END'
+bin_PROGRAMS = foo
+foo_SOURCES = bar.m baz.h baz2.h
+END
+
+cat > baz.h << 'END'
+#include <stdio.h>
+#include <stdlib.h>
+#include "baz2.h"
+END
+
+cat > baz2.h << 'END'
+#define MSG "Hello, World"
+END
+
+cat > bar.m << 'END'
+/* The use of #import makes this valid Object C but invalid C. */
+#import "baz.h"
+int main (void)
+{
+    fprintf (stdout, "%s\n", MSG);
+    return EXIT_SUCCESS;
+}
+END
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE --add-missing
+
+./configure --enable-dependency-tracking
+$MAKE
+cross_compiling || (./foo | $FGREP 'Hello, World') || Exit 1
+$sleep
+: > old
+echo '#define MSG "Howdy, Earth"' > baz2.h
+$MAKE
+if test -f foo; then
+  is_newest foo old
+else
+  is_newest foo.exe old
+fi
+cross_compiling || (./foo | $FGREP 'Howdy, Earth') || Exit 1
+
+$MAKE distcheck
+
+:
diff --git a/t/objcxx-deps.sh b/t/objcxx-deps.sh
new file mode 100755
index 0000000..24665cc
--- /dev/null
+++ b/t/objcxx-deps.sh
@@ -0,0 +1,81 @@
+#! /bin/sh
+# Copyright (C) 2012 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/>.
+
+# Automatic dependency tracking for Objective C++.
+# See also sister test 'objc-deps.sh'.
+
+. ./defs || Exit 1
+
+cat >> configure.ac << 'END'
+dnl Support for Object C++ was introduced only in Autoconf 2.65.
+AC_PREREQ([2.65])
+AC_PROG_OBJCXX
+AC_OUTPUT
+END
+
+cat > Makefile.am << 'END'
+bin_PROGRAMS = foo
+foo_SOURCES = bar.mm baz.h++ baz2.hh
+END
+
+cat > baz.h++ << 'END'
+#include <iostream>
+using namespace std;
+#include "baz2.hh"
+END
+
+cat > baz2.hh << 'END'
+#define MSG "Hello, World"
+END
+
+cat > bar.mm << 'END'
+/* The use of #import makes this valid Object C++ but invalid C++. */
+#import "baz.h++"
+int main (void)
+{
+    cout << MSG << "\n";
+    return 0;
+}
+END
+
+if $ACLOCAL; then
+  : We have a modern enough autoconf, go ahead.
+elif test $? -eq 63; then
+  skip_ "Object C++ support requires Autoconf 2.65 or later"
+else
+  Exit 1 # Some other aclocal failure.
+fi
+$AUTOCONF
+$AUTOMAKE --add-missing
+
+./configure --enable-dependency-tracking
+$MAKE
+cross_compiling || (./foo | $FGREP 'Hello, World') || Exit 1
+
+$sleep
+: > old
+echo '#define MSG "Howdy, Earth"' > baz2.hh
+$MAKE
+if test -f foo; then
+  is_newest foo old
+else
+  is_newest foo.exe old
+fi
+cross_compiling || (./foo | $FGREP 'Howdy, Earth') || Exit 1
+
+$MAKE distcheck
+
+:
-- 
1.7.9.5