Update build instructions

1 files changed, 36 insertions, 26 deletions

diff --git a/BUILDING.md b/BUILDING.md
index 50ca3ea..51fb333 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -1,17 +1,22 @@
 ## Requirements
 
-### [Qt](https://www.qt.io/) 5.11
+### [Qt](https://www.qt.io/)
+ - Version 5.11
 
 Even though most of the browser might work with the last LTS Qt release, always
 use an up-to-date version of QtWebEngine. Security fixes to Blink do _not_ get
 backported. QtWebEngine can be built with older versions of Qt, if upgrading Qt
 is not a possibility.
 
-### [boost](http://www.boost.org/) program_options
+### [boost](http://www.boost.org/)
+ - Version 1.66
+ - Components: program_options
 
-### cmake 3.10
+### cmake
+ - Version 3.10
 
-### Compiler with C++17 support
+### Compiler
+ - C++17 support
  - gcc 7+;  clang 4+
  - Windows: only MSVC is supported due to QtWebEngine
 
@@ -21,18 +26,26 @@ generate a makefile, build the program and install it.
 
 ~~~ sh
 # clone the repository
-hg clone https://neueland.iserlohn-fortress.net/smolbote.hg
+git clone https://neueland.iserlohn-fortress.net/gitea/aqua/smolbote.git
 
 # generate makefile
 mkdir build && cd build
-cmake -DCMAKE_CXX_FLAGS="-O2 [other cxx flags]" -DCMAKE_BUILD_TYPE=Release ../smolbote.hg
+cmake -DCMAKE_BUILD_TYPE=Release ../smolbote
 
 # make && make install
 make -j4
 make install
 ~~~
 
-### -DCMAKE_CXX_FLAGS
+## Configuring
+
+### vendor.cmake
+vendor.cmake contains all settings but the build type. It can be used to easily
+create a build profile.
+
+When changing vendor.cmake, make sure to have all values defined in the preset.
+
+### Compiler flags
 cmake does not set any C++ flags by default, including no optimization flags.
 You need to set these yourself if your build system doesn't set any either.
 
@@ -40,14 +53,28 @@ On gcc/clang, no optimize flags are set by default, resulting in rather bloated
 code being generated. Recommend setting at least -O2. MSVC has optimze flags
 set by default.
 
-### -DCMAKE_BUILD_TYPE
+You can set the compiler using
+~~~sh
+-DCMAKE_CXX_COMPILER=/path/to/c++
+~~~
+You can set additional compiler flags using -DCMAKE_CXX_FLAGS.
+
+### Build type
 Install paths are only set on Release builds.
 
-### -DCMAKE_INSTALL_PREFIX
+~~~sh
+-DCMAKE_BUILD_TYPE=Debug|Release
+~~~
+
+### Install prefix
 Sets the install location prefix.
 win32: Binary is written to bin/, and plugins to bin/plugins.
 others: Binary will be written to bin/, and plugins to lib/smolbote/.
 
+~~~sh
+-DCMAKE_INSTALL_PREFIX=/usr/local
+~~~
+
 ### Using libc++
 You can use libc++ over stdlibc++ by setting UseLibCpp to On. Requires clang.
 
@@ -55,20 +82,3 @@ You can use libc++ over stdlibc++ by setting UseLibCpp to On. Requires clang.
 -DCMAKE_CXX_COMPILER=/usr/bin/clang++ -DUseLibCpp=On
 ~~~
 
-### Verifying source code integrity
-Since mercurial doesn't have any method for signing commits, some commits have
-signed sha512 checksums available.
-
-~~~ sh
-# get node for the current commit
-node="$(hg log -r tip --template='{node}')"
-
-# get sha512 checksums and signature
-curl -O https://neueland.iserlohn-fortress.net/smolbote/integrity/$node
-curl -O https://neueland.iserlohn-fortress.net/smolbote/integrity/$node.sig
-
-# verify signature and files
-gpg --verify $node.sig
-sha512sum --check --quiet $node
-~~~
-