Review Request 115502: Fix math function checks

[Harald Fernengel]

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Ship it!


Fixes the signbit issue also on Mac OS X :)

- Harald Fernengel


On Feb. 5, 2014, 5:03 p.m., Alex Merry wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/115502/
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> 
> (Updated Feb. 5, 2014, 5:03 p.m.)
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> 
> Review request for KDE Frameworks, Bernd Buschinski and Harald Fernengel.
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> Repository: kjs
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> Description
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> Fix math function checks
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> Between things being in the std:: namespace and <math.h> and <cmath>
> interfering with each other (at least for glibc), the configure checks
> for math functions do not actually perform the checks they claim to.
> 
> This tests that the functions (in whatever form) can reasonably be
> called from C++ code that includes both <math.h> and <cmath>.
> 
> 
> Diffs
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>   src/kjs/ConfigureChecks.cmake 473da1c19c9e8788e3ac407d382f8bcf4882a10f 
>   src/kjs/global.h.cmake d821a7264f0e2b46b422a8d68d397799a288bde9 
>   src/kjs/operations.h a54f366330b937a027d478cbe018a7c1c21c1625 
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> Diff: https://git.reviewboard.kde.org/r/115502/diff/
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> 
> Testing
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> Configures, builds and installs with gcc 4.8.2 and glibc 2.18 (Archlinux).  The configure checks report the results you would expect (providing you are aware that cmath undefs signbit).
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> 
> Thanks,
> 
> Alex Merry
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>

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