docs/modern-cmake
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Update to CMake 3.14

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Henry Fredrick Schreiner 2019-03-20 17:23:14 -04:00
parent dc9687eda5
commit 5324b8342d
7 changed files with 15 additions and 15 deletions
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2
.gitlab-ci.yml
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@ -4,7 +4,7 @@ test_code:
stage: test stage: test
before_script: before_script:
- mkdir -p $HOME/.local - mkdir -p $HOME/.local
- curl -s "https://cmake.org/files/v3.13/cmake-3.13.4-Linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C $HOME/.local - curl -s "https://cmake.org/files/v3.14/cmake-3.14.0-Linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C $HOME/.local
- export PATH=$HOME/.local/bin:$PATH - export PATH=$HOME/.local/bin:$PATH
script: script:
- mkdir -p build - mkdir -p build

2
README.md
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@ -7,7 +7,7 @@ Certainly there are no shortage of problems when building.
But I think that, in 2018, we have a very good solution to quite a few of those problems. But I think that, in 2018, we have a very good solution to quite a few of those problems.
It's CMake. Not CMake 2.8 though; that was released before C++11 even existed! It's CMake. Not CMake 2.8 though; that was released before C++11 even existed!
Nor the horrible examples out there for CMake (even those posted on KitWare's own tutorials list). Nor the horrible examples out there for CMake (even those posted on KitWare's own tutorials list).
I'm talking about Modern CMake. CMake 3.1+, maybe even CMake 3.13+! I'm talking about Modern CMake. CMake 3.1+, maybe even CMake 3.14+!
It's clean, powerful, and elegant, so you can spend most of your time coding, not adding lines to an unreadable, unmaintainable Make (Or CMake 2) file. It's clean, powerful, and elegant, so you can spend most of your time coding, not adding lines to an unreadable, unmaintainable Make (Or CMake 2) file.
And CMake 3.11+ is supposed to be significantly faster, as well! And CMake 3.11+ is supposed to be significantly faster, as well!

6
chapters/basics.md
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@ -19,7 +19,7 @@ usually have a very recent version of CMake.
This is what new projects should do: This is what new projects should do:
```cmake ```cmake
cmake_minimum_required(VERSION 3.1...3.13) cmake_minimum_required(VERSION 3.1...3.14)
if(${CMAKE_VERSION} VERSION_LESS 3.12) if(${CMAKE_VERSION} VERSION_LESS 3.12)
cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}) cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
@ -33,10 +33,10 @@ WARNING: MSVC's CMake server mode [originally had a bug](https://github.com/fmtl
```cmake ```cmake
cmake_minimum_required(VERSION 3.1) cmake_minimum_required(VERSION 3.1)
if(${CMAKE_VERSION} VERSION_LESS 3.13) if(${CMAKE_VERSION} VERSION_LESS 3.14)
cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}) cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
else() else()
cmake_policy(VERSION 3.13) cmake_policy(VERSION 3.14)
endif() endif()
``` ```

4
chapters/intro/dodonot.md
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@ -12,8 +12,8 @@ You'll need to pick a minimum required version of CMake. This will affect the CM
| Ubuntu 16.04 LTS | 3.5.1 | | | Ubuntu 16.04 LTS | 3.5.1 | |
| Ubuntu 18.04 LTS | 3.10.2 | An LTS with a pretty decent minimum version! | | Ubuntu 18.04 LTS | 3.10.2 | An LTS with a pretty decent minimum version! |
| Ubuntu 18.10 | 3.12.1| | | Ubuntu 18.10 | 3.12.1| |
| [Python PyPI](https://pypi.org/project/cmake/) | 3.13.0 | Just `pip install cmake` on many systems. Add `--user` for local installs. | | [Python PyPI](https://pypi.org/project/cmake/) | 3.13.3 | Just `pip install cmake` on many systems. Add `--user` for local installs. |
| Homebrew on macOS | latest | On macOS with Homebrew, this is only a few minutes behind cmake.org. | | [Homebrew on macOS](https://formulae.brew.sh/formula/cmake) | latest | On macOS with Homebrew, this is only a few minutes behind cmake.org. |
| Chocolaty on Windows | latest | Also up to date. The normal cmake.org installers are common on Windows, as well. | | Chocolaty on Windows | latest | Also up to date. The normal cmake.org installers are common on Windows, as well. |
| TravisCI Trusty | 3.9 | The December 2017 update added a recent version of clang and CMake! Finally! | | TravisCI Trusty | 3.9 | The December 2017 update added a recent version of clang and CMake! Finally! |
| TravisCI Xenial | 3.12.4 | Mid November 2018 this image became ready for widescale use. | | TravisCI Xenial | 3.12.4 | Mid November 2018 this image became ready for widescale use. |

10
chapters/intro/installing.md
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@ -4,7 +4,7 @@
Your CMake version should be newer than your compiler. It should be newer than the libraries you are using (especially Boost). New versions work better for everyone. Your CMake version should be newer than your compiler. It should be newer than the libraries you are using (especially Boost). New versions work better for everyone.
{% endhint %} {% endhint %}
If you have a built in copy of CMake, it isn't special or customized for your system. You can easily install a new one instead, either on the system level or the user level. Feel free to instruct your users here if they complain about a CMake requirement being set too high. Especially if they want < 3.1 support. Maybe even if they want CMake < 3.13 support... If you have a built in copy of CMake, it isn't special or customized for your system. You can easily install a new one instead, either on the system level or the user level. Feel free to instruct your users here if they complain about a CMake requirement being set too high. Especially if they want < 3.1 support. Maybe even if they want CMake < 3.14 support...
## Official package ## Official package
@ -13,14 +13,14 @@ You can [download CMake from KitWare][cmake-download]. This is how you'll probab
On Linux, there are binaries provided, but you'll need to pick an install location. If you already use `~/.local` for user-space packages, the following single line command[^1] will get CMake for you [^2]: On Linux, there are binaries provided, but you'll need to pick an install location. If you already use `~/.local` for user-space packages, the following single line command[^1] will get CMake for you [^2]:
{% term %} {% term %}
~ $ wget -qO- "https://cmake.org/files/v3.13/cmake-3.13.4-Linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C ~/.local ~ $ wget -qO- "https://cmake.org/files/v3.14/cmake-3.14.0-Linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C ~/.local
{% endterm %} {% endterm %}
If you just want a local folder with CMake only: If you just want a local folder with CMake only:
{% term %} {% term %}
~ $ mkdir -p cmake-3.13 && wget -qO- "https://cmake.org/files/v3.13/cmake-3.13.4-Linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C cmake-3.13 ~ $ mkdir -p cmake-3.14 && wget -qO- "https://cmake.org/files/v3.14/cmake-3.14.0-Linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C cmake-3.14
~ $ export PATH=`pwd`/cmake-3.13/bin:$PATH ~ $ export PATH=`pwd`/cmake-3.14/bin:$PATH
{% endterm %} {% endterm %}
You'll obviously want to append to the PATH every time you start a new terminal, or add it to your `.bashrc` or to an [LMod] system. You'll obviously want to append to the PATH every time you start a new terminal, or add it to your `.bashrc` or to an [LMod] system.
@ -28,7 +28,7 @@ You'll obviously want to append to the PATH every time you start a new terminal,
And, if you want a system install, install to `/usr/local`; this is an excellent choice in a Docker container, for example on GitLab CI. Do not try it on a non-containerized system. And, if you want a system install, install to `/usr/local`; this is an excellent choice in a Docker container, for example on GitLab CI. Do not try it on a non-containerized system.
{% term %} {% term %}
docker $ wget -qO- "https://cmake.org/files/v3.13/cmake-3.13.4-Linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C /usr/local docker $ wget -qO- "https://cmake.org/files/v3.14/cmake-3.14.0-Linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C /usr/local
{% endterm %} {% endterm %}

4
chapters/intro/newcmake.md
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@ -179,7 +179,7 @@ of the source directory, for better file separation. And, `target_sources` *fina
* `target_sources` is now relative to the current source directory (CMP0076) * `target_sources` is now relative to the current source directory (CMP0076)
* If you use Xcode, you now can experimentally set schema fields * If you use Xcode, you now can experimentally set schema fields
## [CMake 3.14][] : File utilities (in RC phase) ## [CMake 3.14][] : File utilities (AKA [CMake π](https://blog.kitware.com/kitware-gets-mathematical-with-cmake-π-on-pi-day/))
This release has lots of small cleanups, including several utilities for files. Generator expressions work in a few more places, and list handling is better with empty variables. This release has lots of small cleanups, including several utilities for files. Generator expressions work in a few more places, and list handling is better with empty variables.
Quite a few more find packages produce targets. The new Visual Studio 16 2019 generator is a bit different than older versions. Windows XP and Vista support has been dropped. Quite a few more find packages produce targets. The new Visual Studio 16 2019 generator is a bit different than older versions. Windows XP and Vista support has been dropped.
@ -204,5 +204,5 @@ Quite a few more find packages produce targets. The new Visual Studio 16 2019 ge
[CMake 3.11]: https://cmake.org/cmake/help/latest/release/3.11.html [CMake 3.11]: https://cmake.org/cmake/help/latest/release/3.11.html
[CMake 3.12]: https://cmake.org/cmake/help/latest/release/3.12.html [CMake 3.12]: https://cmake.org/cmake/help/latest/release/3.12.html
[CMake 3.13]: https://cmake.org/cmake/help/latest/release/3.13.html [CMake 3.13]: https://cmake.org/cmake/help/latest/release/3.13.html
[CMake 3.14]: https://cmake.org/cmake/help/3.14/release/3.14.html [CMake 3.14]: https://cmake.org/cmake/help/latest/release/3.14.html
[fastercmake]: https://blog.kitware.com/improving-cmakes-runtime-performance/ [fastercmake]: https://blog.kitware.com/improving-cmakes-runtime-performance/

2
examples/simple-project/CMakeLists.txt
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@ -5,7 +5,7 @@
# You should always specify a range with the newest # You should always specify a range with the newest
# and oldest tested versions of CMake. This will ensure # and oldest tested versions of CMake. This will ensure
# you pick up the best policies. # you pick up the best policies.
cmake_minimum_required(VERSION 3.1...3.13) cmake_minimum_required(VERSION 3.1...3.14)
# This is your project statement. You should always list languages; # This is your project statement. You should always list languages;
# Listing the version is nice here since it sets lots of useful variables # Listing the version is nice here since it sets lots of useful variables