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0032921: Configuration, CMake - allow selecting C++ standard.

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Make C++ standard to be enable from cmake settings:

User will be able choosing C++ language standard by selecting cmake variable BUILD_CPP_STANDARD.
For correct working, CMAKE_CXX_STANDARD cmake built-in variable should be available.
To enable CMAKE_CXX_STANDARD, minimum CMAKE version has been updated to 3.1.

Available next standard items:
C++11
C++14
C++17
C++20
C++23

This issue consists from several steps to achive main goal:
1) Configuratiuon, CMake - allow selecting C++ standard.
2) Require minimum CMAKE version 3.1 (for enabling CMAKE_CXX_STANDARD).
3) More flexible CMAKE_CXX_COMPILER_ID identification (fixups previous commit!)
4) Add description of new CMAKE variable `BUILD_CPP_STANDARD` into documentation.
5) Update CMAKE requirements in documentation.
6) Set C++11 standard for several projects.
This commit is contained in:
ddzama
2022-05-04 12:57:51 +03:00
committed by smoskvin
parent b71cb85f67
commit e92d322d40
28 changed files with 143 additions and 50 deletions
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4
samples/glfw/adm/cmake/FindOpenCASCADE.cmake
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@@ -39,9 +39,9 @@ elseif (DEFINED CMAKE_COMPILER_IS_GNUCC)
set (MY_COMPILER gcc)
elseif (DEFINED CMAKE_COMPILER_IS_GNUCXX)
set (MY_COMPILER gcc)
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
elseif (CMAKE_CXX_COMPILER_ID MATCHES "[Cc][Ll][Aa][Nn][Gg]")
set (MY_COMPILER clang)
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
elseif (CMAKE_CXX_COMPILER_ID MATCHES "[Ii][Nn][Tt][Ee][Ll]")
set (MY_COMPILER icc)
else()
set (MY_COMPILER ${CMAKE_GENERATOR})