build/cmake/README.md: improve

This commit is contained in:
Sergey Ponomarev 2019-09-14 20:15:35 +03:00
parent f2941db4a9
commit a4ca246eca

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@ -5,9 +5,9 @@ use case sensitivity that matches modern (ie. cmake version 2.6 and above)
conventions of using lower-case for commands, and upper-case for
variables.
# How to build
## How to build
As cmake doesn't support command like `cmake clean`, it's recommanded to perform a "out of source build".
As cmake doesn't support command like `cmake clean`, it's recommended to perform a "out of source build".
To do this, you can create a new directory and build in it:
```sh
cd build/cmake
@ -16,7 +16,7 @@ cd builddir
cmake ..
make
```
Then you can clean all cmake caches by simpily delete the new directory:
Then you can clean all cmake caches by simply delete the new directory:
```sh
rm -rf build/cmake/builddir
```
@ -34,19 +34,19 @@ cd build/cmake/builddir
cmake -LH ..
```
Bool options can be set to ON/OFF with -D\[option\]=\[ON/OFF\]. You can configure cmake options like this:
Bool options can be set to `ON/OFF` with `-D[option]=[ON/OFF]`. You can configure cmake options like this:
```sh
cd build/cmake/builddir
cmake -DZSTD_BUILD_TESTS=ON -DZSTD_LEGACY_SUPPORT=ON ..
make
```
## referring
### referring
[Looking for a 'cmake clean' command to clear up CMake output](https://stackoverflow.com/questions/9680420/looking-for-a-cmake-clean-command-to-clear-up-cmake-output)
# CMake Style Recommendations
## CMake Style Recommendations
## Indent all code correctly, i.e. the body of
### Indent all code correctly, i.e. the body of
* if/else/endif
* foreach/endforeach
@ -57,7 +57,7 @@ make
Use spaces for indenting, 2, 3 or 4 spaces preferably. Use the same amount of
spaces for indenting as is used in the rest of the file. Do not use tabs.
## Upper/lower casing
### Upper/lower casing
Most important: use consistent upper- or lowercasing within one file !
@ -77,7 +77,7 @@ Add_Executable(hello hello.c)
aDd_ExEcUtAbLe(blub blub.c)
```
## End commands
### End commands
To make the code easier to read, use empty commands for endforeach(), endif(),
endfunction(), endmacro() and endwhile(). Also, use empty else() commands.
@ -99,6 +99,6 @@ if(BARVAR)
endif(BARVAR)
```
## Other resources for best practices
### Other resources for best practices
`https://cmake.org/cmake/help/latest/manual/cmake-developer.7.html#modules`
https://cmake.org/cmake/help/latest/manual/cmake-developer.7.html#modules