* libgcrypt
@ 2013-02-06 22:35 Andreas Enge
2013-02-06 22:41 ` libgcrypt Ludovic Courtès
0 siblings, 1 reply; 4+ messages in thread
From: Andreas Enge @ 2013-02-06 22:35 UTC (permalink / raw)
To: bug-guix
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Hello,
I am now trying to configure and build guix with the packages built by
guix. So I installed autoconf, automake, binutils, glibc, gcc and ld-
wrapper; added
export GUIX_LD_WRAPPER_ALLOW_IMPURITIES=yes
to my .bashrc as well as PATH, LIBRARY_PATH, CPATH, MANPATH and
PKG_CONFIG_PATH.
As discussed before, I also added
export ACLOCAL="aclocal -I $HOME/.guix-profile/share/aclocal" .
Now configure gives the error:
checking for libgcrypt shared library name... libgcrypt
checking for guile... (cached) /home/privat/.guix-profile/bin/guile
checking for guile-config... /home/privat/.guix-profile/bin/guile-config
checking for guile-tools... /home/privat/.guix-profile/bin/guile-tools
checking whether libgcrypt can be dynamically loaded... no
configure: error: GNU libgcrypt does not appear to be usable; see `--with-
libgcrypt-prefix' and `README'.
The file config.log ends with the following lines:
configure:7038: checking for libgcrypt shared library name
configure:7040: result: libgcrypt
configure:7047: checking for guile
configure:7077: result: /home/privat/.guix-profile/bin/guile
configure:7091: checking for guile-config
configure:7109: found /home/privat/.guix-profile/bin/guile-config
configure:7121: result: /home/privat/.guix-profile/bin/guile-config
configure:7135: checking for guile-tools
configure:7153: found /home/privat/.guix-profile/bin/guile-tools
configure:7165: result: /home/privat/.guix-profile/bin/guile-tools
configure:7175: checking whether libgcrypt can be dynamically loaded
configure:7190: result: no
configure:7194: error: GNU libgcrypt does not appear to be usable; see `--
with-libgcrypt-prefix' and `README'.
Do you see why and how to solve it?
Andreas
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: libgcrypt
2013-02-06 22:35 libgcrypt Andreas Enge
@ 2013-02-06 22:41 ` Ludovic Courtès
2013-02-07 9:33 ` libgcrypt Andreas Enge
0 siblings, 1 reply; 4+ messages in thread
From: Ludovic Courtès @ 2013-02-06 22:41 UTC (permalink / raw)
To: Andreas Enge; +Cc: bug-guix
Andreas Enge <andreas@enge.fr> skribis:
> checking whether libgcrypt can be dynamically loaded... no
> configure: error: GNU libgcrypt does not appear to be usable; see `--with-
> libgcrypt-prefix' and `README'.
Just pass --with-libgcrypt-prefix=$HOME/.guix-profile/lib.
The code corresponding to the check above is simple-minded (it’s in
m4/guix.m4). All it does is:
guile -c "(dynamic-func \"gcry_md_hash_buffer\" (dynamic-link \"$LIBGCRYPT\"))"
and checks its return code.
Passing --with-libgcrypt-prefix allows it to work with non-standard
prefixes.
Perhaps README should be augmented?
Ludo’.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: libgcrypt
2013-02-06 22:41 ` libgcrypt Ludovic Courtès
@ 2013-02-07 9:33 ` Andreas Enge
2013-02-07 11:08 ` libgcrypt Ludovic Courtès
0 siblings, 1 reply; 4+ messages in thread
From: Andreas Enge @ 2013-02-07 9:33 UTC (permalink / raw)
To: Ludovic Courtès; +Cc: bug-guix
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Am Mittwoch, 6. Februar 2013 schrieb Ludovic Courtès:
> Andreas Enge <andreas@enge.fr> skribis:
> > checking whether libgcrypt can be dynamically loaded... no
> > configure: error: GNU libgcrypt does not appear to be usable; see
> > `--with- libgcrypt-prefix' and `README'.
> Just pass --with-libgcrypt-prefix=$HOME/.guix-profile/lib.
Yes, that should work, but...
> The code corresponding to the check above is simple-minded (it’s in
> m4/guix.m4). All it does is:
> guile -c "(dynamic-func \"gcry_md_hash_buffer\" (dynamic-link
> \"$LIBGCRYPT\"))"
> and checks its return code.
> Passing --with-libgcrypt-prefix allows it to work with non-standard
> prefixes.
... under guix, $HOME/.guix-profile/{lib,...} is the standard prefix ;-)
So would it be possible to modify the test so that it takes LIBRARY_PATH
into account? (If it were C, the AC macros would do that automatically.) Or
could one simply use AC_CHECK_LIB?
If not, a possible work-around would be to check explicitly with the
$HOME/.guix-profile/lib prefix.
Andreas
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: libgcrypt
2013-02-07 9:33 ` libgcrypt Andreas Enge
@ 2013-02-07 11:08 ` Ludovic Courtès
0 siblings, 0 replies; 4+ messages in thread
From: Ludovic Courtès @ 2013-02-07 11:08 UTC (permalink / raw)
To: Andreas Enge; +Cc: bug-guix
Andreas Enge <andreas@enge.fr> skribis:
> Am Mittwoch, 6. Februar 2013 schrieb Ludovic Courtès:
[...]
>> Passing --with-libgcrypt-prefix allows it to work with non-standard
>> prefixes.
>
> ... under guix, $HOME/.guix-profile/{lib,...} is the standard prefix ;-)
Yes, but it remains “non-standard” to ld.so, ld, etc.
> So would it be possible to modify the test so that it takes LIBRARY_PATH
> into account? (If it were C, the AC macros would do that automatically.) Or
> could one simply use AC_CHECK_LIB?
No, because we precisely want to check that Guile’s ‘dynamic-link’ finds
it, because that’s what is used in guix/utils.scm (in turn,
‘dynamic-link’ uses lt_dlopenext, which uses dlopen.)
Thus the influential environment variables are LTDL_LIBRARY_PATH and
LD_LIBRARY_PATH.
When we have a full-blown distro, all those *PATH variables will be
initialized by /etc/profile, so that everything is transparent. In the
meantime, one has to set them in their own ~/.bashrc.
> If not, a possible work-around would be to check explicitly with the
> $HOME/.guix-profile/lib prefix.
I’d rather let users do one of the above than add something specific.
Ludo’.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2013-02-06 22:35 libgcrypt Andreas Enge
2013-02-06 22:41 ` libgcrypt Ludovic Courtès
2013-02-07 9:33 ` libgcrypt Andreas Enge
2013-02-07 11:08 ` libgcrypt Ludovic Courtès
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