[jira] Updated: (STDCXX-1051) Stdcxx build process needs to be able to run configuration executable files created by the build system during configuration step on emulators in order to cross compile the library.

["Wojciech Meyer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STDCXX-1051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wojciech Meyer updated STDCXX-1051:
-----------------------------------

        Summary: Stdcxx build process needs to be able to run configuration executable files created by the build system during configuration step on emulators in order to cross compile the library.  (was: Ability to specify a program which will be used for running configuration scripts (model, emulator) during cross compilation.)
    Description: 
We are trying to cross compile stdcxx library. The problem we are facing
is that there is no way of telling stdcxx build system, that we don't
want to run configuration files created by configuration step by build
system directly on a host system (through a shell).

For instance, this command (taken from log):

./UNISTD_DECL

invoked during configuration process runs natively the executable through
a shell.

However we want to be able to run it on a emulator like this:

<path to our emulator> UNISTD_DECL

This command will run the UNISTD_DECL through an emulator.

The patch we are proposing, is to introduce a new Makefile variable, called
EXEC_RUNNER, which allows us to do it.

EXEC_RUNNER defaults to "/usr/bin/sh -c". so it does not interfere with
the rest of build process (at least on Unix/MSys/Cygwin environment,
pure Win32 platform has completely separate build system).

Patch is against `trunk'.


  was:
This would allow to cross-compile library by running scripts through any kind of emulator.
The fix would be just in the build system to allow specifying the program explicitly as a Makefile variable.


> Stdcxx build process needs to be able to run configuration executable files created by the build system during configuration step on emulators in order to cross compile the library.
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: STDCXX-1051
>                 URL: https://issues.apache.org/jira/browse/STDCXX-1051
>             Project: C++ Standard Library
>          Issue Type: Improvement
>          Components: Build and Installation
>            Reporter: Wojciech Meyer
>
> We are trying to cross compile stdcxx library. The problem we are facing
> is that there is no way of telling stdcxx build system, that we don't
> want to run configuration files created by configuration step by build
> system directly on a host system (through a shell).
> For instance, this command (taken from log):
> ./UNISTD_DECL
> invoked during configuration process runs natively the executable through
> a shell.
> However we want to be able to run it on a emulator like this:
> <path to our emulator> UNISTD_DECL
> This command will run the UNISTD_DECL through an emulator.
> The patch we are proposing, is to introduce a new Makefile variable, called
> EXEC_RUNNER, which allows us to do it.
> EXEC_RUNNER defaults to "/usr/bin/sh -c". so it does not interfere with
> the rest of build process (at least on Unix/MSys/Cygwin environment,
> pure Win32 platform has completely separate build system).
> Patch is against `trunk'.

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