[Octave-bug-tracker] [bug #51904] SUNDIALS configuration test for sizeof(realtype) is not cross-compile-safe

[Mike Miller]

URL:
  <http://savannah.gnu.org/bugs/?51904>

                 Summary: SUNDIALS configuration test for sizeof(realtype) is
not cross-compile-safe
                 Project: GNU Octave
            Submitted by: mtmiller
            Submitted on: Thu 31 Aug 2017 09:50:41 AM PDT
                Category: Configuration and Build System
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Build Failure
                  Status: None
             Assigned to: mtmiller
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

The configure test for whether SUNDIALS is built for double-precision floating
point values is not cross-compile-safe. However, since it only relies on
compile-time constants, it should be possible to convert it to a
AC_COMPILE_IFELSE instead of a AC_RUN_IFELSE, which will make it
cross-compile-safe. In other words there is no reason to use a runtime assert
in order to test something that can be determined at compile time. I'll take a
look at fixing this test.




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