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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 /CMakeLists.txt | |
| 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).
Diffstat (limited to 'CMakeLists.txt')
| -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) |