Hello everybody. I think I've found a bug in GNU make, apparently due to the interaction of VPATH and filenames with double-slash `//'.
Here is an excerpt showing the most relevant part of the bug:
$ cat Makefile
VPATH = ..
foo_OBJECTS = ./src//foo.o
foo: $(foo_OBJECTS)
$(CC) -o $@ $(foo_OBJECTS)
.c.o:
$(CC) -c -o $@ $<
$ ls ../src
foo.c
$ make
make: *** No rule to make target `src//foo.o', needed by `foo'. Stop.
Changing the definition of `foo_OBJECTS' to `./src/foo.o' solves the
problem.
A complete script that reproduces the bug is attached. The script fails
with GNU make (versions 3.79, 3.80 and 3.81) on Debian GNU/Linux and
with GNU make 3.81 on Solaris 10. On the other hand, it passes with
Solaris 10's /usr/ccs/bin/make and with FreeBSD make.
Let me know if you need more details.
Regards, and thanks for all your work on GNU make.
Stefano
gmake-bug.sh
Description: application/shellscript
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