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Ports: Remove the obsolete howto guide from cmake

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We have long been able to build CMake fully on the host.
This commit is contained in:
Tim Schumacher 2021-11-06 11:25:48 +01:00 committed by Ali Mohammad Pur
parent e3a0e93390
commit 18792a6305
Notes: sideshowbarker 2024-07-18 01:27:25 +09:00 
Author: https://github.com/timschumi
Commit: https://github.com/SerenityOS/serenity/commit/18792a63050
Pull-request: https://github.com/SerenityOS/serenity/pull/10822
1 changed files with 0 additions and 40 deletions
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Ports/cmake/howto.md
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## Build Guide
- Run `./package.sh` here, which should install the dependencies and copy the patched source code to `~anon/Source/cmake`
- Give the vm at least 2G of RAM, and at least 1.5G of free disk space (actual values used may be different, but ~1.3GiB of RAM and 1.2GiB of disk space has been observed)
- Build the bootstrap cmake binary:
```sh
$ cd Source/cmake
$ ./bootstrap
```
- Go entertain yourself for a few minutes (build takes about 10m)
- The bootstrap binary should be built, but may fail for any of the reasons detailed in [Troubleshooting](#troubleshooting).
- Build and install cmake (this takes a long time, about 80 minutes on my machine)
```sh
$ make
# mount -o bind /usr /usr
# make install
```
- Optionally, add `/usr/local/bin` to PATH:
```sh
$ export PATH="$PATH:/usr/local/bin"
```
- Hopefully look back at the experience and laugh at its ease
## Current Status
Fully working :P
## Troubleshooting
### "Failed to open check cache file for write..." while bootstrap cmake is configuring cmake
The cause for this is unknown, but it seems to be a transitive state; simply restarting the bootstrap process fixes it:
```sh
$ Bootstrap.cmk/cmake . -C Bootstrap.cmk/InitialCacheFlags.cmake -G 'Unix Makefiles' -DCMAKE_BOOTSTRAP=1 -DBUILD_TESTING=0
```
You might have to repeat this many times.
### "unable to rename '...', reason: File already exists" while making cmake
Cause unknown. re-running make made it go away.