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ENH: Do not auto-create out-dated cache variables 

- We used to always put LIBRARY_OUTPUT_PATH and EXECUTABLE_OUTPUT_PATH
    in the cache if the project did not.
  - In CMake 2.6 these variables should no longer be used.
  - Now add them only if CMAKE_BACKWARDS_COMPATIBILITY is also cached.
  - This happens only when CMP0001 is set to OLD or WARN or if
    the user or project sets it.  In any case compatibility is needed.
  - Reported by Miguel A. Figueroa-Villanueva and Philip Lowman.
This commit is contained in:
Brad King 2008-07-03 13:55:33 -04:00
parent 1342965b05
commit dd1ee6975f
1 changed files with 23 additions and 15 deletions
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38
Source/cmake.cxx
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@ -2091,22 +2091,30 @@ int cmake::ActualConfigure()
// Before saving the cache
// if the project did not define one of the entries below, add them now
// so users can edit the values in the cache:
// LIBRARY_OUTPUT_PATH
// EXECUTABLE_OUTPUT_PATH
if(!this->CacheManager->GetCacheValue("LIBRARY_OUTPUT_PATH"))
// We used to always present LIBRARY_OUTPUT_PATH and
// EXECUTABLE_OUTPUT_PATH. They are now documented as old-style and
// should no longer be used. Therefore we present them only if the
// project requires compatibility with CMake 2.4. We detect this
// here by looking for the old CMAKE_BACKWARDS_COMPATABILITY
// variable created when CMP0001 is not set to NEW.
if(this->GetCacheManager()->GetCacheValue("CMAKE_BACKWARDS_COMPATIBILITY"))
{
this->CacheManager->AddCacheEntry
("LIBRARY_OUTPUT_PATH", "",
"Single output directory for building all libraries.",
cmCacheManager::PATH);
}
if(!this->CacheManager->GetCacheValue("EXECUTABLE_OUTPUT_PATH"))
{
this->CacheManager->AddCacheEntry
("EXECUTABLE_OUTPUT_PATH", "",
"Single output directory for building all executables.",
cmCacheManager::PATH);
}
if(!this->CacheManager->GetCacheValue("LIBRARY_OUTPUT_PATH"))
{
this->CacheManager->AddCacheEntry
("LIBRARY_OUTPUT_PATH", "",
"Single output directory for building all libraries.",
cmCacheManager::PATH);
}
if(!this->CacheManager->GetCacheValue("EXECUTABLE_OUTPUT_PATH"))
{
this->CacheManager->AddCacheEntry
("EXECUTABLE_OUTPUT_PATH", "",
"Single output directory for building all executables.",
cmCacheManager::PATH);
}
}
if(!this->CacheManager->GetCacheValue("CMAKE_USE_RELATIVE_PATHS"))
{
this->CacheManager->AddCacheEntry