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Subject: |
pre-crt0.o error for build in separate directory |
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Date: |
Wed, 10 Sep 2008 00:27:09 -0400 |
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User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Package: emacs
Severity: minor
Version: 23.0.60
I don't normally build in a separate directory, but I was trying it as
an experiment.
I had CVS checkout in:
/somedir/trunk
This contained the result of a normal build, ie had not been cleaned.
I then did:
cd /somedir/build
../trunk/configure
which warned me:
WARNING: The directory tree `/somedir/trunk' is being used as a build
directory right now; it has been configured in its own right. To
configure in another directory as well, you MUST use GNU make. If
you do not have GNU make, then you must now do `make distclean' in
/somedir/trunk, and then run ../trunk/configure again."
Since I use GNU make (3.81 on RHEL 5.2), I carried on without running
distclean.
The build failed because /somedir/build/src/pre-crt0.o was not generated.
Running `make prec-crt0.o' in that directory, I was told
that "`/somedir/trunk/src/pre-crt0.o' is up to date."
I had to delete the pre-crt0.o in trunk/src in order to get a version
to compile in build/src.
Thus, the initial message output by configure is incorrect.
I'm not sure where the bug is here: in configure's message, or GNU
make, or Emacs.
(The same thing was happening for character.o and chartab.o until I
fixed their broken dependencies on $(config_h).)
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--- Begin Message ---
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Subject: |
Re: pre-crt0.o error for build in separate directory |
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Date: |
Fri, 20 May 2011 14:37:57 -0400 |
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User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
I notice that the current version of configure gives a different
message:
source directory already configured; run \"make distclean\" there first
So I guess this was an autoconf issue and not an Emacs one.
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