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From:	Allan Schrum <aschrum AT ecdeliverysystems DOT com>
To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Date:	Wed, 1 Apr 2009 10:25:08 -0400
Subject:	RE: make 3.81 bug - error: multiple target patterns. Stop.
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> Hello all
>=20
> Since the make 3.81 release in Cygwin, I constantly have issues with
> this released version:
> When using Mentor ModelSim to compile and simulate VHDL, the released
> make 3.81 fails by executing generated Makefiles from ModelSim (using
> 'vmake > Makefile').
>=20
> It does not occur with make 3.79.1 or the patched 3.81 version
> available at https://software.sandia.gov/trac/acro/ticket/2835 and
> using the binary at http://www.cmake.org/files/cygwin/make.exe
>=20
> Command line log:
> -----------------
> admin AT Blueshark /cygdrive/d/Xilinx/example_design/sim
> $ make
> Makefile:128: *** multiple target patterns.  Stop.
>=20
> admin AT Blueshark /cygdrive/d/Xilinx/example_design/sim
> $ make_3.79.1.exe
> make_3.79.1: Nothing to be done for `whole_library'.
>=20
> admin AT Blueshark /cygdrive/d/Xilinx/example_design/sim
> $ make_3.81_fixed.exe
> make_3.81_fixed: Nothing to be done for `whole_library'.
>=20
>=20
> If you could fix this when time comes by, I think many hardware
> engineers will be very happy...
> The last discussion about this issue was in 2006 at
> http://sourceware.org/ml/cygwin/2006-07/msg00667.html
>=20
> Attached as well the (generated) Makefile, where the released Cygwin
> make 3.81 complains about line 128
>=20
>=20
> Many thanks!
> Peter

Lines 4 and 5 of the Makefile define LIB_UNISIM and LIB_IEEE using paths th=
at are Windows path (meaning that they contain a colon as in "C:\Tools"). T=
his confuses "make" it seems. If you change them to a reasonable filename s=
tructure (reasonable for "make") then it seems to progress.

I tested with "make -n -f Makefile" to reproduce the problem. By removing t=
he colons, the "make" stopped complaining and progressed.

Can you use the Unix-style of paths for these two symbols rather than the W=
indows-style names? I would also suggest replacing the reverse-slash charac=
ters "\" with forward-slash characters "/" in the path.

-Allan


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