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| author | Brad King <brad.king@kitware.com> | 2014-12-05 14:06:43 -0500 |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2014-12-05 14:07:59 -0500 |
| commit | de022e8908cc5b3a6e0f179a81482fad4cfb6072 (patch) | |
| tree | 3cc8497c09b1e5ce0743d69dc4b83c43118504c9 | |
| parent | ce28da6c64aba359b4399bca56ec60707a3d6073 (diff) | |
| download | cmake-de022e8908cc5b3a6e0f179a81482fad4cfb6072.tar.gz | |
Add options to build CMake without latest language dialects
Set CMAKE_C_STANDARD and CMAKE_CXX_STANDARD only if they are not
already defined. This will allow users to add the settings with
different values to their local cache (e.g. on the command line).
| -rw-r--r-- | CMakeLists.txt | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index ad3bb97344..1812b2773d 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -37,8 +37,12 @@ if("${CMake_SOURCE_DIR}" STREQUAL "${CMAKE_SOURCE_DIR}") endif() # Use most-recent available language dialects with GNU and Clang -set(CMAKE_C_STANDARD 11) -set(CMAKE_CXX_STANDARD 14) +if(NOT DEFINED CMAKE_C_STANDARD) + set(CMAKE_C_STANDARD 11) +endif() +if(NOT DEFINED CMAKE_CXX_STANDARD) + set(CMAKE_CXX_STANDARD 14) +endif() # option to set the internal encoding of CMake to UTF-8 option(CMAKE_ENCODING_UTF8 "Use UTF-8 encoding internally (experimental)." OFF) |