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Remove CMake Policy CMP0015 until it is revised

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We revert commit "Create CMake Policy CMP0015 to fix set(CACHE)" because
the NEW behavior of the policy breaks a valid use case:

  # CMakeLists.txt
  option(BUILD_SHARED_LIBS "..." ON)
  add_library(mylib ...)
  set(BUILD_SHARED_LIBS OFF) # we want only mylib to be shared
  add_subdirectory(ThirdParty)

  # ThirdParty/CMakeLists.txt
  option(BUILD_SHARED_LIBS "..." ON)
  # uh, oh, with NEW behavior this dir uses shared libs!!!

We'll re-introduce the policy later with a different change in behavior
to resolve the motivating case, which was more subtle but less common.

See issue #9008.
This commit is contained in:
Brad King
2009-10-08 14:56:15 -04:00
parent 24bf97440f
commit 9a77f65da7
7 changed files with 2 additions and 94 deletions
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Source/cmSetCommand.h
+2 -4
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@@ -64,10 +64,8 @@ public:
" set(<variable> <value>\n"
" [[CACHE <type> <docstring> [FORCE]] | PARENT_SCOPE])\n"
"Within CMake sets <variable> to the value <value>. <value> is expanded"
" before <variable> is set to it. If CACHE is present and <variable> "
"is not yet in the cache, then <variable> is put in the cache. If it is "
"already in the cache, <variable> is assigned the value stored in the "
"cache. If CACHE is present, also <type> and <docstring> are "
" before <variable> is set to it. If CACHE is present, then the "
"<variable> is put in the cache. <type> and <docstring> are then "
"required. <type> is used by the CMake GUI to choose a widget with "
"which the user sets a value. The value for <type> may be one of\n"
" FILEPATH = File chooser dialog.\n"