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Date: Tue, 10 Feb 2009 15:44:00 -0000
Message-ID: <c55980430902100743tf1bf41br77c542bc81a8f38@mail.gmail.com>
Subject: make: ERROR: Unable to find file "./../cgen/cgen-opc.scm" in load  	path
From: Martin Walter <martin.walter@gmail.com>
To: cgen@sourceware.org
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Hello!

I am using the cgen-20090201 snapshot to port the GNU binutils to the
SPEAR2, an FPGA soft core developed as a students project at the
Vienna Technical University in Austria.

After running configure --prefix=3D$PREFIX --target=3Dspear2-32-elf
--enable-cgen-maint && make, the following error occurs:

...
make[4]: Entering directory
`/home/martin/Workspace/spear2-binutils-2.18/build/opcodes'
make run-cgen arch=3Dspear2 prefix=3Dspear2 options=3Dopinst \
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0archfile=3D./../cpu/spear2.cpu
opcfile=3D./../cpu/spear2.opc extrafiles=3Dopinst
make[5]: Entering directory
`/home/martin/Workspace/spear2-binutils-2.18/build/opcodes'
/bin/bash ./cgen.sh opcodes . "`if test -f ../guile/libguile/guile ;
then echo ../guile/libguile/guile; else echo guile ; fi` -l
./../cgen/guile.scm -s" \
=A0 =A0 =A0 =A0 =A0./../cgen "-v" spear2 spear2 ./../cpu/spear2.cpu ./../cp=
u/spear2.opc \
=A0 =A0 =A0 =A0 =A0"opinst" "opinst"
ERROR: In procedure primitive-load-path:
ERROR: Unable to find file "./../cgen/cgen-opc.scm" in load path
...

The problem lies in cgen.sh's argument 4: "./../cgen", which
apparently cannot be interpreted correctly by guile. Modifying the
CGENDIR variable in "opcodes/Makefile" from CGENDIR =3D
$(srcdir)/../cgen to something like CGENDIR =3D $(shell pwd)/../cgen
fixes the problem.

However, I am not sure whether my approach messes up things and I am
therefore looking for a general solution / patch to Makefile.am. Any
ideas?

Thank you!
Martin