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| ID | Project | Category | View Status | Date Submitted | Last Update | ||||
| 0015355 | CMake | CMake | public | 2015-01-15 15:25 | 2015-06-01 08:38 | ||||
| Reporter | Laurent Demailly | ||||||||
| Assigned To | Stephen Kelly | ||||||||
| Priority | normal | Severity | major | Reproducibility | always | ||||
| Status | closed | Resolution | fixed | ||||||
| Platform | Apple Mac | OS | OS X | OS Version | 10.4.10 | ||||
| Product Version | CMake 3.1 | ||||||||
| Target Version | CMake 3.2 | Fixed in Version | CMake 3.2 | ||||||
| Summary | 0015355: cmake 3.1 doesn't know how to select CMAKE_CXX_STANDARD 11 on Mac OS | ||||||||
| Description | I have a very simple CMakeLists.txt – am using cmake 3.1 to be able to easily request C++ 11 – it works fine on ubuntu but not on MacOS with Xcode 6 and command line tools installed: $ cat CMakeLists.txt cmake_minimum_required(VERSION 3.1) project("Test1" C CXX) # We need C++ 11 set(CMAKE_CXX_STANDARD 11) set(CMAKE_CXX_STANDARD_REQUIRED on) file(WRITE test1.cpp "int main(int argc, char** argv) {auto x=argc; return x;}") add_executable(test1 test1.cpp) $ cmake31 . -- The C compiler identification is AppleClang 6.0.0.6000056 -- The CXX compiler identification is AppleClang 6.0.0.6000056 -- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Configuring done CMake Error in CMakeLists.txt: Target "test1" requires the language dialect "CXX11" (with compiler extensions), but CMake does not know the compile flags to use to enable it. This is with CXX=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ CXXFLAGS="-std=c++11" But same without that | ||||||||
| Steps To Reproduce | cmake_minimum_required(VERSION 3.1) project("Test1" C CXX) # We need C++ 11 set(CMAKE_CXX_STANDARD 11) set(CMAKE_CXX_STANDARD_REQUIRED on) file(WRITE test1.cpp "int main(int argc, char** argv) {auto x=argc; return x;}") add_executable(test1 test1.cpp) | ||||||||
| Tags | No tags attached. | ||||||||
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| Notes | |
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(0037707) Brad King (manager) 2015-01-15 15:35 |
CMake 3.1 was not taught about OS X compilers. I think this has been done in post-3.1 development: Record compile features for GNU on Apple. http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=00f66a04 [^] Features: Record dialect flags for AppleClang 4.0+. http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=98965fb1 [^] Features: Record for AppleClang 5.1 http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=bd6b42c1 [^] Please try building from source in the 'master' branch as of commit '811a29c9' or later. |
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(0037726) Laurent Demailly (reporter) 2015-01-16 19:38 |
Thank you ! that worked - I have some other issues that came up after that - will file other reports Question though : when can I expect to see these fixed ? will it be 3.1.1 and what is the ETA for that ? Thanks a lot Laurent |
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(0037730) Brad King (manager) 2015-01-17 12:28 |
Re 0015355:0037726: These will not be in 3.1.1 which is just for regression fixes from 3.1.0. This is scheduled for 3.2. You could also build from source or use nightly binaries: http://www.cmake.org/files/dev/?C=M;O=D [^] > I have some other issues that came up after that - will file other reports As these are brand new features still under development it would be better to discuss them on the mailing list: http://www.cmake.org/mailman/listinfo/cmake-developers [^] |
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(0037750) Laurent Demailly (reporter) 2015-01-19 17:00 |
yes I built from source and that fixed it - any eta for 3.2 ? CMAKE_CXX_STANDARD 11 is why I picked cmake 3.1 so it's a bit of a bummer it doesn't work on macos (which is also why I picked cmake, to get xcode and other IDEs support in addition to unix makefiles) in other word - any way to consider that lack of a implementation a bug for 3.1 and put this in 3.1.1 ? (or then again get 3.2 soonish) The other issues I filled 2 separate tickets so far |
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(0038847) Robert Maynard (manager) 2015-06-01 08:38 |
Closing resolved issues that have not been updated in more than 4 months. |
| Notes |
| Issue History | |||
| Date Modified | Username | Field | Change |
| 2015-01-15 15:25 | Laurent Demailly | New Issue | |
| 2015-01-15 15:35 | Brad King | Note Added: 0037707 | |
| 2015-01-15 15:35 | Brad King | Status | new => acknowledged |
| 2015-01-15 15:35 | Brad King | Target Version | => CMake 3.2 |
| 2015-01-16 19:38 | Laurent Demailly | Note Added: 0037726 | |
| 2015-01-17 12:28 | Brad King | Note Added: 0037730 | |
| 2015-01-17 12:28 | Brad King | Assigned To | => Stephen Kelly |
| 2015-01-17 12:28 | Brad King | Status | acknowledged => resolved |
| 2015-01-17 12:28 | Brad King | Resolution | open => fixed |
| 2015-01-17 12:28 | Brad King | Fixed in Version | => CMake 3.2 |
| 2015-01-19 17:00 | Laurent Demailly | Note Added: 0037750 | |
| 2015-06-01 08:38 | Robert Maynard | Note Added: 0038847 | |
| 2015-06-01 08:38 | Robert Maynard | Status | resolved => closed |
| Issue History |
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