1 files changed, 133 insertions, 0 deletions
diff --git a/t/remake-gnulib-add-acsubst.sh b/t/remake-gnulib-add-acsubst.sh
new file mode 100755
index 000000000..23a02bc18
--- /dev/null
+++ b/t/remake-gnulib-add-acsubst.sh
@@ -0,0 +1,133 @@
+#! /bin/sh
+# Copyright (C) 2011-2012 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/>.
+
+# Test remake rules when a new AC_SUBST'd variable is added, and C header
+# files are involved.
+# This test overlaps with others, and is not strictly necessary per se,
+# but it exercises a real use case (from gnulib, see:
+#  <http://lists.gnu.org/archive/html/bug-gnulib/2011-04/msg00005.html>
+# for more info).
+
+required=cc
+. ./defs || Exit 1
+
+cat >> configure.ac <<'END'
+AC_PROG_CC
+MY_MACROS
+AC_OUTPUT
+END
+
+cat > Makefile.am <<'END'
+ACLOCAL_AMFLAGS = -I m4
+noinst_PROGRAMS = foo
+foo_SOURCES = foo.c
+BUILT_SOURCES = foo.h
+edit_h = sed -e 's|[@]foovar@|@foovar@|g'
+foo.h: foo.in.h
+	$(edit_h) < $(srcdir)/foo.in.h > $@-t
+	cat $@-t;: For debugging.
+	mv -f $@-t $@
+EXTRA_DIST = foo.in.h
+MOSTLYCLEANFILES = foo.h foo.h-t
+END
+
+mkdir m4
+
+cat > m4/foo.m4 <<'END'
+AC_DEFUN([MY_MACROS], [
+     FOO_MACRO
+dnl: ZAP_MACRO
+])
+END
+
+cat > m4/bar.m4 <<'END'
+AC_DEFUN([FOO_MACRO], [
+     foovar=42; AC_SUBST([foovar])
+dnl: barvar=47; AC_SUBST([barvar])
+])
+END
+
+cat > foo.in.h <<'END'
+#define foo @foovar@
+END
+
+cat > foo.c <<'END'
+#include "foo.h"
+int main (void) { return 0; }
+typedef int checkfoo[1 - 2 * (foo != 42)];
+END
+
+$ACLOCAL -I m4
+$AUTOCONF
+$AUTOMAKE
+
+./configure
+$MAKE
+
+: AC_SUBST @barvar@ and add it to foo.h.
+
+$sleep
+
+sed -e 's/^dnl:/   /' m4/bar.m4 > t
+mv -f t m4/bar.m4
+cat m4/bar.m4
+
+cat >> foo.in.h <<'END'
+#define bar @barvar@
+END
+
+cat >> foo.c <<'END'
+typedef int checkbar[1 - 2 * (bar != 47)];
+END
+
+cat >> Makefile.am <<'END'
+edit_h += -e 's|[@]barvar@|@barvar@|g'
+END
+
+using_gmake || $MAKE Makefile
+$MAKE
+
+: AC_SUBST @zapvar@ and add it to foo.h.
+# Do it in a slightly different way from how it was done for @barvar@.
+
+$sleep
+
+cat >> Makefile.am <<'END'
+edit_h += -e 's|[@]zapvar@|$(zapvar)|g'
+END
+
+cat >> foo.c <<'END'
+typedef int checkzap[1 - 2 * (zap != 163)];
+END
+
+sed -e 's/^dnl://' m4/foo.m4 > t
+mv -f t m4/foo.m4
+cat m4/foo.m4
+
+cat >> foo.in.h <<'END'
+#define zap @zapvar@
+END
+
+cat >> m4/bar.m4 <<'END'
+AC_DEFUN([ZAP_MACRO], [zapvar=163; AC_SUBST([zapvar])])
+END
+
+using_gmake || $MAKE Makefile
+$MAKE
+
+$MAKE distcheck
+
+: