CMake: Change the default for ABSL_PROPAGATE_CXX_STD to ON

PiperOrigin-RevId: 694144866 Change-Id: I631221fa0fc64821cf328f9a6d65839a39839276

CMake: Change the default for ABSL_PROPAGATE_CXX_STD to ON
PiperOrigin-RevId: 694144866 Change-Id: I631221fa0fc64821cf328f9a6d65839a39839276
0c7c676f · Derek Mauro · Copybara-Service · a3027054 · 0c7c676f
Commit 0c7c676f authored Nov 07, 2024 by Derek Mauro Committed by Copybara-Service Nov 07, 2024
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CMakeLists.txt
+1 -4

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--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,10 +47,7 @@ set(CMAKE_BUILD_RPATH_USE_ORIGIN ON)

 option(ABSL_PROPAGATE_CXX_STD
  "Use CMake C++ standard meta features (e.g. cxx_std_14) that propagate to targets that link to Abseil"
-  OFF)  # TODO: Default to ON for CMake 3.8 and greater.
-if(NOT ABSL_PROPAGATE_CXX_STD)
-  message(WARNING "A future Abseil release will default ABSL_PROPAGATE_CXX_STD to ON for CMake 3.8 and up. We recommend enabling this option to ensure your project still builds correctly.")
-endif()
+  ON)

 option(ABSL_USE_SYSTEM_INCLUDES
  "Silence warnings in Abseil headers by marking them as SYSTEM includes"