[R-sig-Debian] How to install libisl.so.19 on chromebook?

[Dirk Eddelbuettel]

There is something wrong with your system / setup I did not notice first:

On 14 July 2020 at 13:08, Luigi Marongiu wrote:
| Thank you, it looks like I have already libisl:
| ```
| apt search libisl
| Sorting... Done
| Full Text Search... Done
| libisl-dbg/oldstable 0.18-1 amd64
|   manipulating sets and relations of integer points bounded by linear
| constraints
| 
| libisl-dev/oldstable 0.18-1 amd64
|   manipulating sets and relations of integer points bounded by linear
| constraints
| 
| libisl15/oldstable,now 0.18-1 amd64 [installed,automatic]
|   manipulating sets and relations of integer points bounded by linear
| constraints
| 
| libisl19/now 0.19-1 amd64 [installed,local]
|   manipulating sets and relations of integer points bounded by linear
| constraints
| ```
| thus the problem must be with the installation step: I should tell the
| compiler to look for libisl19 instead of  libisl.so.19...
| 
| On Tue, Jul 14, 2020 at 12:54 PM Dirk Eddelbuettel <edd using debian.org> wrote:
| >
| >
| > On 14 July 2020 at 12:26, Luigi Marongiu wrote:
| > | I am trying to install minpack.lm on R 3.3.3 (Debian version) on a
| > | Chromebook. But I get this error:
| > | ```
| > | > install.packages("minpack.lm")
| > | Installing package into ‘/home/marongiuluigi/R/x86_64-pc-linux-gnu-library/3.3’
| > | (as ‘lib’ is unspecified)
| > | trying URL 'https://cran.rstudio.com/src/contrib/minpack.lm_1.2-1.tar.gz'
| > | Content type 'application/x-gzip' length 43029 bytes (42 KB)
| > | ==================================================
| > | downloaded 42 KB
| > |
| > | * installing *source* package ‘minpack.lm’ ...
| > | ** package ‘minpack.lm’ successfully unpacked and MD5 sums checked
| > | ** libs
| > | gfortran   -fpic  -g -O2 -fdebug-prefix-map=/build/r-base-3.3.3=.
| > | -fstack-protector-strong  -c chkder.f -o chkder.o
| > | /usr/local/libexec/gcc/x86_64-cros-linux-gnu/8.3.0/f951: error while

Why is gfortran calling into /usr/local?

You are outside of the package management system here.  Can you not use the
package gfortran (and gcc, g++, ...) because ...

| > | loading shared libraries: libisl.so.19: cannot open shared object
| > | file: No such file or directory
| > | /usr/lib/R/etc/Makeconf:155: recipe for target 'chkder.o' failed

... you are trying the packaged R.

Dirk

| > | make: *** [chkder.o] Error 1
| > | ERROR: compilation failed for package ‘minpack.lm’
| > | * removing ‘/home/marongiuluigi/R/x86_64-pc-linux-gnu-library/3.3/minpack.lm’
| > | Warning in install.packages :
| > |   installation of package ‘minpack.lm’ had non-zero exit status
| > | ```
| > | I tried to install  libisl.so.19 but:
| > | ```
| > | $ sudo apt-get install libisl.so.19
| > | Reading package lists... Done
| > | Building dependency tree
| > | Reading state information... Done
| > | E: Unable to locate package libisl.so.19
| > | E: Couldn't find any package by glob 'libisl.so.19'
| > | E: Couldn't find any package by regex 'libisl.so.19'
| > | ```
| > | I downloaded libisl.so.19 for debian, but where shall I place it?
| > | Is there an easier way to install this library?
| > | Thank you
| >
| > That is not the correct package name as it is a _file name_.
| >
| > Use eg
| >
| >  https://packages.debian.org/
| >
| > to search (go to Search the contents of packages) or search directly via
| >
| >  apt search libisl
| >
| > which will lead you to packages
| >
| >  libisl-dev
| >  libisl22           # on the release I run on Ubuntu right now
| >
| > with a major name reflecting the current release. For an older version I find
| > the package search above useful, there are other pages too.
| >
| > Hope this helps,  Dirk
| >
| > --
| > https://dirk.eddelbuettel.com | @eddelbuettel | edd using debian.org
| 
| 
| 
| -- 
| Best regards,
| Luigi

-- 
https://dirk.eddelbuettel.com | @eddelbuettel | edd using debian.org