[Cmake-commits] CMake branch, master, updated. v3.14.0-rc2-276-g0d9471f

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       via  258298f59799311ad6a3f261f7e7bebcaf346657 (commit)
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- Log -----------------------------------------------------------------
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=0d9471fa2dee221aef8166ea370a98cc26d783e4
commit 0d9471fa2dee221aef8166ea370a98cc26d783e4
Merge: 0df31d9 258298f
Author:     Kyle Edwards <kyle.edwards at kitware.com>
AuthorDate: Thu Feb 28 15:18:44 2019 +0000
Commit:     Kitware Robot <kwrobot at kitware.com>
CommitDate: Thu Feb 28 10:18:52 2019 -0500

    Merge topic 'remove_duplicates-order'
    
    258298f597 Help: Clarify ordering of list(REMOVE_DUPLICATES)
    
    Acked-by: Kitware Robot <kwrobot at kitware.com>
    Merge-request: !3035


https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=258298f59799311ad6a3f261f7e7bebcaf346657
commit 258298f59799311ad6a3f261f7e7bebcaf346657
Author:     Kyle Edwards <kyle.edwards at kitware.com>
AuthorDate: Wed Feb 27 11:22:57 2019 -0500
Commit:     Kyle Edwards <kyle.edwards at kitware.com>
CommitDate: Wed Feb 27 11:22:57 2019 -0500

    Help: Clarify ordering of list(REMOVE_DUPLICATES)
    
    This also adds a test to enforce the order behavior of
    list(REMOVE_DUPLICATES).

diff --git a/Help/command/list.rst b/Help/command/list.rst
index 6c86c2a..4444af7 100644
--- a/Help/command/list.rst
+++ b/Help/command/list.rst
@@ -196,7 +196,8 @@ Removes items at given indices from the list.
 
   list(REMOVE_DUPLICATES <list>)
 
-Removes duplicated items in the list.
+Removes duplicated items in the list. The relative order of items is preserved,
+but if duplicates are encountered, only the first instance is preserved.
 
 .. _TRANSFORM:
 
diff --git a/Tests/RunCMake/list/REMOVE_DUPLICATES-PreserveOrder.cmake b/Tests/RunCMake/list/REMOVE_DUPLICATES-PreserveOrder.cmake
new file mode 100644
index 0000000..91abbd6
--- /dev/null
+++ b/Tests/RunCMake/list/REMOVE_DUPLICATES-PreserveOrder.cmake
@@ -0,0 +1,5 @@
+set(mylist "b;c;b;a;a;c;b;a;c;b")
+list(REMOVE_DUPLICATES mylist)
+if(NOT mylist STREQUAL "b;c;a")
+  message(SEND_ERROR "Expected b;c;a, got ${mylist}")
+endif()
diff --git a/Tests/RunCMake/list/RunCMakeTest.cmake b/Tests/RunCMake/list/RunCMakeTest.cmake
index 59c7ea5..b4a91bc 100644
--- a/Tests/RunCMake/list/RunCMakeTest.cmake
+++ b/Tests/RunCMake/list/RunCMakeTest.cmake
@@ -24,6 +24,8 @@ run_cmake(SUBLIST-TooManyArguments)
 
 run_cmake(REMOVE_AT-EmptyList)
 
+run_cmake(REMOVE_DUPLICATES-PreserveOrder)
+
 run_cmake(FILTER-NotList)
 run_cmake(REMOVE_AT-NotList)
 run_cmake(REMOVE_DUPLICATES-NotList)

-----------------------------------------------------------------------

Summary of changes:
 Help/command/list.rst                                     | 3 ++-
 Tests/RunCMake/list/REMOVE_DUPLICATES-PreserveOrder.cmake | 5 +++++
 Tests/RunCMake/list/RunCMakeTest.cmake                    | 2 ++
 3 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 Tests/RunCMake/list/REMOVE_DUPLICATES-PreserveOrder.cmake


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