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| author |  Rolf Eike Beer <eike@sf-mail.de> | 2019-03-10 10:59:23 +0100 |
|---|---|---|
| committer |  Dirk Hohndel <dirk@hohndel.org> | 2019-03-19 12:41:32 -0700 |
| commit | d0acee4083f88926ed76c287e9836b14a82e163a (patch) | |
| tree | fee43acd5436264f062051a3900d9096426d1f1e /CMakeLists.txt | |
| parent | 8e43d2b8d2023f06e79b1a5b5bfc28bd79294925 (diff) | |
| download | subsurface-d0acee4083f88926ed76c287e9836b14a82e163a.tar.gz | |
CMake: let CMake set the needed flags for C and C++ standards
Signed-off-by: Rolf Eike Beer <eike@sf-mail.de>
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 2c54dc473..5e07cadb1 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -4,7 +4,7 @@ # set(CMAKE_VERBOSE_MAKEFILE ON) project(Subsurface) -cmake_minimum_required(VERSION 2.8.11) +cmake_minimum_required(VERSION 3.1) # don't process generated files - this is new in 3.10 if (POLICY CMP0071) @@ -65,27 +65,25 @@ endif() set(SUBSURFACE_SOURCE ${CMAKE_SOURCE_DIR}) add_definitions(-DSUBSURFACE_SOURCE="${SUBSURFACE_SOURCE}") +set(CMAKE_C_STANDARD 99) +set(CMAKE_C_STANDARD_REQUIRED TRUE) +set(CMAKE_CXX_STANDARD 11) +set(CMAKE_CXX_STANDARD_REQUIRED TRUE) + # # TODO: This Compilation part should go on the Target specific CMake. # if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 ") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-inconsistent-missing-override") if ((CMAKE_SYSTEM_NAME MATCHES "Darwin") AND ((CMAKE_SYSTEM_VERSION MATCHES "11.4.") OR (CMAKE_OSX_DEPLOYMENT_TARGET MATCHES "10.7") OR (CMAKE_OSX_DEPLOYMENT_TARGET MATCHES "10.8"))) - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++") - else() - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++") endif() elseif (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang") - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 ") - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wno-inconsistent-missing-override") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-inconsistent-missing-override") elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99") - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") - # Warn about possible float conversion errors # Use NOT VERSION_LESS since VERSION_GREATER_EQUAL is not available # in currently used cmake version. @@ -95,9 +93,7 @@ elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") endif() elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Intel") - # works only for CMake 3.1 and later - set(CMAKE_C_STANDARD 99) - set(CMAKE_CXX_STANDARD 11) + # using Intel C++ elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") # using Visual Studio C++ endif() |