[ET Trac] #2553: Cactus' link command used CPPFLAGS and CXXFLAGS

[Erik Schnetter]

#2553: Cactus' link command used CPPFLAGS and CXXFLAGS

 Reporter: Roland Haas
   Status: new
Milestone: 
  Version: development version
     Type: bug
 Priority: minor
Component: Cactus

Comment (by Erik Schnetter):

There are some optimizations that recompile code at link time. I don’t think these were ever successfully used in Cactus, nor whether compilers offer them any more. \(The current set of `-lto` optimizations might store the compiler flags internally.\)

So far, the Cactus policy has been that each stage \(preprocessor, compiler, linker\) gets passed all the flags of the previous stages.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2553/cactus-link-command-used-cppflags-and
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