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

Erik Schnetter trac-noreply at einsteintoolkit.org
Wed Aug 11 11:51:12 CDT 2021

#2553: Cactus' link command used CPPFLAGS and CXXFLAGS

 Reporter: Roland Haas
   Status: new
  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.

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