Re: How to expand environment variable in compilation command?

On 8 September 2015 at 19:01, Ilja Honkonen <[email protected]> wrote:
> Hello
> Is there a way to make 0install/0compile expand multiple items in an
> environment variable into command line arguments for a program? A local
> feed of mine depends on boost headers:
> <requires interface = '../boost/boost.xml'>
>    <environment name = 'CPPFLAGS' insert = 'include' mode = 'append'>
>    </environment>
> </requires>
> which works well when I use shell-command = 'c++ -I $CPPFLAGS
> $SRCDIR/test.cpp -o $DISTDIR/test' to compile but as soon as I have
> several dependencies injected to CPPFLAGS it fails. The documentation
> and example for <for-each item-from='...' separator='...'? > ...
> </for-each> wasn't very clear and I couldn't get it to do anything, can
> it do what I'd need in this case (for each item in CPPFLAGS append -I
> $item to shell-command) or is it for something else? Thanks

<for-each> needs to go inside <runner> or <command>. e.g.

<runner interface='http://repo.roscidus.com/e/e-core'>
  <arg>-cpa</arg>
  <arg>$SWT_JAR</arg>
  <for-each item-from="EXTRA_E_OPTIONS" separator=" ">
    <arg>${item}</arg>
  </for-each>
</runner>


-- 
Dr Thomas Leonard        http://roscidus.com/blog/
GPG: DA98 25AE CAD0 8975 7CDA  BD8E 0713 3F96 CA74 D8BA

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