On 2011-07-30 9:44, Jussi Lehtola wrote:
> I tried using
> %global gccver %(gcc -dumpversion)
> %if %{gccver}>= 4.6.0
> foo here
> %endif
>
> to conditionalize usage of quadruple precision support in a spec file
> that ships on multiple distros, but the comparison gives the error
>
> parseExpressionBoolean returns -1
>
> Is there a way to check if the gcc version is sufficient with some rpm
> macro?
RPM 4.7 and later let you use a bit of inline Lua to do this:
%if %{lua:rpm.vercmp('%{gccver}', '4.6.0')} > 0
This has the benefit of neither comparing lexically nor dragging in
extra build dependencies.
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