Merge branch 'minor'

1 files changed, 80 insertions, 0 deletions

diff --git a/t/autohdr4.sh b/t/autohdr4.sh
new file mode 100644
index 000000000..ae35b7005
--- /dev/null
+++ b/t/autohdr4.sh
@@ -0,0 +1,80 @@
+#!/bin/sh
+# Copyright (C) 2003-2017 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 <https://www.gnu.org/licenses/>.
+
+# Check rebuild rules for AC_CONFIG_HEADERS.
+# (This should also work without GNU Make.)
+
+required=cc
+. test-init.sh
+
+cat >>configure.ac <<'EOF'
+AC_PROG_CC
+AC_SUBST([BOT], [bot])
+AC_CONFIG_HEADERS([defs.h config.h:sub1/config.top:sub2/config.${BOT}],,
+                  [BOT=$BOT])
+AC_CONFIG_FILES([sub3/Makefile])
+AC_OUTPUT
+EOF
+
+mkdir sub1 sub2 sub3
+
+: > sub1/config.top
+echo '#define NAME "grepme1"' >sub2/config.bot
+
+cat > Makefile.am <<'END'
+SUBDIRS = sub3
+.PHONY: test-prog-updated
+test-prog-updated:
+	is_newest sub3/run$(EXEEXT) sub2/config.bot
+END
+
+cat > sub3/Makefile.am <<'END'
+noinst_PROGRAMS = run
+END
+
+cat >sub3/run.c <<'EOF'
+#include <defs.h>
+#include <config.h>
+#include <stdio.h>
+
+int main (void)
+{
+  puts (NAME); /* from config.h */
+  puts (PACKAGE); /* from defs.h */
+}
+EOF
+
+
+$ACLOCAL
+$AUTOCONF
+$AUTOHEADER
+$AUTOMAKE
+
+# Do not reject slow dependency extractors: we need dependency tracking.
+./configure --enable-dependency-tracking
+$MAKE
+# Sanity check.
+cross_compiling || sub3/run | grep grepme1 || exit 1
+
+$sleep
+echo '#define NAME "grepme2"' > sub2/config.bot
+$MAKE
+cross_compiling || sub3/run | grep grepme2 || exit 1
+$MAKE test-prog-updated
+
+$MAKE distcheck
+
+: