[Gllug] Compilation & Library woes.

[Justin Megawarne]

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And Huw Lynes bestowed upon us all:
>=20
> Hi all,

Hey. =3D)

> have got myself into yet more trouble. When compiling packages from sourc=
e=20
> code I quite often get the following error message at the ./configure sta=
ge.
>=20
> checking for flex.. no
> checking for lex.. no
> OBJDIR/configure:flex:command not found
> checking for flex.. lex
> checking for lex output file root/.. SRCDIR/configure:lex:command not fou=
nd
> configure error:cannot find output from lex;giving up

You need the flex lexical parser. You can probably get this from
http://www.freshmeat.net/

> where OBJDIR is where I am attempting to build the package and SRCDIR is =
the=20
> directory containg the source. This is all on a system based on SuSE 6.2.
>=20
> does anyone know what that means and what I can do about it?
>=20
> My other major headache involves libraries. I have just installed=20
> libjpeg.6.2 and have libjpeg.6.1 already on the system.
> libjpeg.so is a symling to libjpeg.6.1.so. If i change it to the newer=20
> library all my old apps complain. Is there an easy way to get different a=
pps=20
> to link to a different library?

Ummm, if you used rpm --upgrade, it should have handled it all. I don't thi=
nk
you need to change the symlinks? This is what I have:

$ ls -l /usr/lib/libjpeg*
-rw-r--r--    1 root     root       198044 Aug  2 15:49 /usr/lib/libjpeg.a
-rwxr-xr-x    1 root     root          469 Aug  2 15:49 /usr/lib/libjpeg.la*
lrwxrwxrwx    1 root     root           17 Aug  2 15:49 /usr/lib/libjpeg.so=
 ->
libjpeg.so.62.0.0*
lrwxrwxrwx    1 root     root           17 Aug  2 15:49 /usr/lib/libjpeg.so=
.62
-> libjpeg.so.62.0.0*
-rwxr-xr-x    1 root     root       176229 Aug  2 15:49
/usr/lib/libjpeg.so.62.0.0*

Excuse the autowrapping. =3D)

> Thanks in advance (all help reduces the chance of me throwing my computer=
=20
> out of the window and maiming a passer-by)

If it gets that bad, you can send it to me. =3D)

ZZ.
--=20
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