bootstrap/8657: No rule to make target `bootstrap' in directory 'gcc'

Sat Nov 30 09:26:00 GMT 2002

The following reply was made to PR bootstrap/8657; it has been noted by GNATS.

From: "Rolf-Alois Walter" <rolf-alois.walter@db.com>
To: Zack Weinberg <zack@codesourcery.com>
Cc: Neil Booth <neil@daikokuya.co.uk>, reichelt@igpm.rwth-aachen.de,
        gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org,
        gcc-gnats@gcc.gnu.org
Subject: Re: bootstrap/8657: No rule to make target `bootstrap' in directory 'gcc'
Date: Thu, 21 Nov 2002 06:47:00 +0100

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 Hi,

 For my second try I used the objdir /software/gcc-3.2.1-obj. There I in=
 voked
 the configure-script with absolute path: /software/gcc-3.2.1/configure =
 2>&1 | tee configure.out.
 Then I did gmake bootstrap 2>&1 | tee gmake.out
 and still got the error "no rule to make target bootstrap".

 (See attached file: gmake.out.gz)(See attached file: configure.out.gz)

 Does anybody see further mistakes I may have made?

 Datum:         20.11.2002 22:46
 An:            Neil Booth <neil@daikokuya.co.uk>
 Kopie:         reichelt@igpm.rwth-aachen.de
                gcc-bugs@gcc.gnu.org
                gcc-prs@gcc.gnu.org
                nobody@gcc.gnu.org
                Rolf-Alois Walter/OuB/Zentrale/DeuBa@Zentrale
                gcc-gnats@gcc.gnu.org

 Betreff:       Re: bootstrap/8657: No rule to make target `bootstrap' i=
 n directory 'gcc'
 Nachrichtentext:

 Neil Booth <neil@daikokuya.co.uk> writes:

 >>
 >>     First, we highly recommend that GCC be built into a separate
 >>     directory than the sources which does not reside within the
 >>     source tree. This is how we generally build GCC; building where
 >>     srcdir =3D=3D objdir should still work, but doesn't get extensiv=
 e
 >>     testing; building where objdir is a subdirectory of srcdir is
 >>     unsupported.
 >
 > This latter "unsupported" configuration is what (at least) me and
 > Jakub build on, and it has *always* worked.  Maybe the docs should
 > be updated.

 In my experience, if objdir is a subdirectory of srcdir AND configure
 is invoked by a relative pathname, it doesn't work.  But if configure
 is invoked by an absolute pathname, objdir can happily be a
 subdirectory of srcdir; and if objdir is not a subdirectory of srcdir,
 relative paths work fine.

 I don't remember the exact failure mode, but it was clearly a case of
 some shell script fragment somewhere getting mixed up about how many
 ../ components it needed to put in a pathname.

 zw

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