1 files changed, 150 insertions, 0 deletions
diff --git a/t/spy-vpath-rewrite.sh b/t/spy-vpath-rewrite.sh
new file mode 100644
index 000000000..e4eff7707
--- /dev/null
+++ b/t/spy-vpath-rewrite.sh
@@ -0,0 +1,150 @@
+#! /bin/sh
+# Copyright (C) 2012-2014 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/>.
+
+# Check that the automatic variable '$<' always undergoes VPATH rewrite.
+# We use that assumption in some of our rules, so it better explicitly
+# check that it truly holds.
+
+. test-init.sh
+
+ocwd=$(pwd) || fatal_ "couldn't get current working directory"
+
+mkdir src
+cd src
+
+cat > mk <<'END'
+.SUFFIXES:
+.SUFFIXES: .a .b .a2 .b2 .a3 .b3 .a4 .b4
+
+empty =
+source = $<
+
+all: one.b two.b2 three.b3 four.b4
+all: www.d xxx.d2 yyy.d3 zzz.d4
+all: bar/mu.x is.ok zardoz
+all: here here2 he/re
+
+.a.b:
+	cp $< $@
+
+.a2.b2:
+	cp '$<' $@
+
+.a3.b3:
+	cp $(empty)$<$(empty) $@
+
+.a4.b4:
+	cp $(source) $@
+
+%.d: %.c
+	cp $< $@
+
+%.d2: %.c2
+	cp '$(source)' $@
+
+%.d3: %.c3 %.cc
+	cp `echo '$<'` $@
+
+%.d4: %.c4 ignore-me
+	orig=x$(<)x && orig=`expr "$$orig" : 'x\(.*\)x$$'` && cp $$orig $@
+
+bar/%: foo/%
+	mkdir $(dir $@)
+	cp $< $@
+
+%.ok: zap/%
+	cp "$<" $@
+
+%: zap/sub/%
+	cp '$<' $@
+
+here: there
+	cp $< $@
+
+here2: there2 ignore-me
+	cp '$<' $@
+
+he/re: the/re
+	mkdir $(dir $@)
+	cp "$(source)" $@
+END
+
+mkdir foo zap zap/sub the
+for file in \
+  one.a \
+  two.a2 \
+  three.a3 \
+  four.a4 \
+  www.c \
+  xxx.c2 \
+  yyy.c3 \
+  zzz.c4 \
+  foo/mu.x \
+  zap/is \
+  zap/sub/zardoz \
+  there \
+  there2 \
+  the/re \
+; do
+  echo $file > $file
+done
+touch yyy.cc ignore-me
+
+do_test ()
+{
+  srcdir=$1
+  cp $srcdir/mk Makefile
+  $MAKE -k all VPATH=$srcdir
+  if test "$srcdir" != "."; then
+    test ! -f $srcdir/bar && test ! -d $srcdir/bar || exit 1
+    test ! -f $srcdir/he && test ! -d $srcdir/he || exit 1
+  fi
+  diff $srcdir/one.a one.b
+  diff $srcdir/two.a2 two.b2
+  diff $srcdir/three.a3 three.b3
+  diff $srcdir/four.a4 four.b4
+  diff $srcdir/www.c www.d
+  diff $srcdir/xxx.c2 xxx.d2
+  diff $srcdir/yyy.c3 yyy.d3
+  diff $srcdir/zzz.c4 zzz.d4
+  diff $srcdir/foo/mu.x bar/mu.x
+  diff $srcdir/zap/is is.ok
+  diff $srcdir/zap/sub/zardoz zardoz
+  diff $srcdir/there here
+  diff $srcdir/the/re he/re
+}
+
+cd "$ocwd"
+mkdir build
+cd build
+do_test ../src
+
+cd "$ocwd"
+mkdir build2
+cd build2
+do_test "$ocwd"/src
+
+cd "$ocwd"
+cd src
+mkdir build
+cd build
+do_test ..
+
+cd "$ocwd"
+cd src
+do_test .
+
+: