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-rw-r--r--Help/release/3.15.rst9
-rw-r--r--Source/CMakeVersion.cmake2
2 files changed, 10 insertions, 1 deletions
diff --git a/Help/release/3.15.rst b/Help/release/3.15.rst
index 957e6e9..e68e7d3 100644
--- a/Help/release/3.15.rst
+++ b/Help/release/3.15.rst
@@ -332,6 +332,15 @@ Deprecated and Removed Features
Other Changes
=============
+* If a feature specified by :command:`target_compile_features` is available
+ in the compiler's default standard level, CMake 3.14 and below incorrectly
+ added unnecessary ``-std=`` flags that could lower the standard level.
+ This bug has been fixed in CMake 3.15. This behavior change may expose
+ bugs in existing projects that were relying on undocumented implementation
+ details. Specifying compile features only ensures that the compiler runs
+ in a mode that has those features, not that any specific standard level is
+ used or explicit ``-std=`` flag passed.
+
* CMake learned how to compile C++14 with the IBM AIX XL compiler
and the SunPro compiler and to compile C++20 with the AppleClang compiler.
diff --git a/Source/CMakeVersion.cmake b/Source/CMakeVersion.cmake
index 7e5e336..2c34f43 100644
--- a/Source/CMakeVersion.cmake
+++ b/Source/CMakeVersion.cmake
@@ -1,7 +1,7 @@
# CMake version number components.
set(CMake_VERSION_MAJOR 3)
set(CMake_VERSION_MINOR 17)
-set(CMake_VERSION_PATCH 20200406)
+set(CMake_VERSION_PATCH 20200407)
#set(CMake_VERSION_RC 0)
set(CMake_VERSION_IS_DIRTY 0)