Dave Malcolm <[email protected]> added the comment:
Sorry about this.
I believe this is the expansion of these fragments from the Makefile.pre.in
(indenting for clarity):
gdbhooks: $(BUILDPYTHON)-gdb.py
$(BUILDPYTHON)-gdb.py: Tools/gdb/libpython.py
$(INSTALL_SCRIPT) $< $(BUILDPYTHON)-gdb.py
It looks like the second of these is being invoked in both cases with "$<" as
the empty string, rather than "Tools/gdb/libpython.py" (and each with their own
expansion of "INSTALL_SCRIPT").
I'm guessing that the "$<" is a GNU Make-ism that isn't available on all
implementations of "make". If so, the quick fix is probably to replace "$<"
with "Tools/gdb/libpython.py" in Makefile.pre.in
I'm attaching a patch which introduces a variable for the path and uses this,
rather than "$<".
I only have access to Linux machines; I've tested it on one, and it works.
I don't have commit rights, so I can't fix this directly myself.
$ make -v
GNU Make 3.81
>From "info make":
`$<'
The name of the first prerequisite. If the target got its
commands from an implicit rule, this will be the first
prerequisite added by the implicit rule (*note Implicit Rules::).
(In my defence, "$<" appeared to be used already in the "Some make's put the
object file in the current directory" rule).
Sorry again from breaking the build on those configurations.
----------
keywords: +patch
stage: needs patch -> patch review
Added file: http://bugs.python.org/file16735/introduce-var-for-gdb-hooks.patch
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