[Octave-bug-tracker] [bug #52073] MXE fails to build newest gcc due to missing isl

[Rik]

URL:
  <http://savannah.gnu.org/bugs/?52073>

                 Summary: MXE fails to build newest gcc due to missing isl
                 Project: GNU Octave
            Submitted by: rik5
            Submitted on: Wed 20 Sep 2017 08:43:33 AM PDT
                Category: Configuration and Build System
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Regression
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

I updated my local MXE repo to ID 4470 which includes an update to the gcc
recipe.


changeset:   4470:debbddbe893a
tag:         qparent
user:        John D
date:        Sat Sep 16 20:40:03 2017 -0400
summary:     of-stk: update to v2.5.0

changeset:   4469:575bcdc0e139
user:        John D
date:        Fri Sep 15 11:17:39 2017 -0400
summary:     gcc: update to v7.2.0


When I try and build I get 


[download] build-gcc
[build]    build-gcc

Failed to build package build-gcc!
------------------------------------------------------------
checking for isl 0.15 or later... no
required isl version is 0.15 or later
configure: error: Unable to find a usable isl.  See config.log for details.
/home/rik/wip/Projects_Mine/mxe-octave/Makefile:836: recipe for target
'build-only-build-gcc' failed
make[1]: *** [build-only-build-gcc] Error 1


Inside the log file there is this


checking for isl 0.15 or later... no
required isl version is 0.15 or later
configure: error: Unable to find a usable isl.  See config.log for details.
/home/rik/wip/Projects_Mine/mxe-octave/Makefile:836: recipe for target
'build-only-build-gcc' failed


Is libisl something that the host build system needs, or is this a package
that MXE needs to build before attempting to build gcc?  My host machine
already has libisl-0.16.1 so I think this is a dependency issue in the recipe
for gcc on MXE.





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