docs: update manual installation instructions

Author: alandefreitas

docs/modules/ROOT/pages/install.adoc

@@ -143,56 +143,6 @@ All instructions in this document assume you are using a CMake version above 3.2
 Binaries are available at https://cmake.org/download/[CMake's official website,window="_blank"].
 ====
 
-If you prefer using Vcpkg to install dependencies, you can install VcPkg and `fmt` with the following commands from the `third-party` directory:
-
-:tabs-sync-option:
-
-[tabs]
-====
-Windows PowerShell::
-+
---
-[source,bash]
-----
-git clone https://github.com/microsoft/vcpkg.git -b master <.>
-cd vcpkg
-bootstrap-vcpkg.bat <.>
-vcpkg.exe install fmt --triplet x64-windows <.>
-----
-
-<.> Clones the Vcpkg repository.
-<.> Bootstraps Vcpkg.
-<.> Installs the `fmt` library.
---
-
-Unix Variants::
-+
---
-[source,bash]
-----
-git clone https://github.com/microsoft/vcpkg.git -b master <.>
-cd vcpkg
-./bootstrap-vcpkg.sh <.>
-./vcpkg install fmt <.>
-----
-
-<.> Clones the Vcpkg repository.
-<.> Bootstraps Vcpkg.
-<.> Installs the `fmt` library.
---
-====
-
-[NOTE]
-====
-You can also install `fmt` with Vcpkg in _Manifest mode_.
-In https://learn.microsoft.com/en-us/vcpkg/users/manifests[manifest mode,windows=blank_], you declare your project's direct dependencies in a manifest file named `vcpkg.json`.
-MrDocs includes a `vcpkg.json.example` file you can duplicate or create a symlink as `vcpkg.json` to use this mode.
-This file includes all the dependencies MrDocs needs, except for LLVM.
-
-In this mode, VcPkg will create separate installed trees for each project and configuration.
-This is the recommended vcpkg mode for most users, according to the https://learn.microsoft.com/en-us/vcpkg/users/manifests[vcpkg documentation,window=blank_].
-====
-
 === Duktape
 
 MrDocs uses the `duktape` library for JavaScript parsing.
@@ -295,37 +245,6 @@ cmake --install ./build --prefix ./install <.>
 The scripts above download the `duktape` source code, extract it, and configure it with CMake.
 The CMake scripts provided by MrDocs are copied to the `duktape-2.7.0` directory to facilitate the build process with CMake and provide CMake installation scripts for other projects.
 
-If you prefer using Vcpkg to install dependencies, you can install `duktape` with the following commands from the `third-party` directory:
-
-[tabs]
-====
-Windows PowerShell::
-+
---
-[source,bash]
-----
-cd vcpkg
-vcpkg.exe install duktape --triplet x64-windows <.>
-----
-
-<.> Installs the `duktape` library.
---
-
-Unix Variants::
-+
---
-[source,bash]
-----
-cd vcpkg
-./vcpkg install duktape <.>
-----
-
-<.> Installs the `duktape` library.
---
-====
-
-NOTE: These examples assume VcPkg is already installed in the `third-party/vcpkg` directory (see the <<install-fmt>> section).
-
 === Libxml2
 
 MrDocs uses `libxml2` tools for tests.
@@ -349,37 +268,6 @@ cd ..
 <.> Builds libxml2 in the `build` directory.
 <.> Installs libxml2 in the `install` directory.
 
-If you prefer using Vcpkg to install dependencies, you can install `libxml2` with the following commands from the `third-party` directory:
-
-[tabs]
-====
-Windows PowerShell::
-+
---
-[source,bash]
-----
-cd vcpkg
-vcpkg.exe install libxml2[tools] --triplet x64-windows <.>
-----
-
-<.> Installs `libxml2`.
---
-
-Unix Variants::
-+
---
-[source,bash]
-----
-cd vcpkg
-./vcpkg install libxml2[tools] <.>
-----
-
-<.> Installs `libxml2`.
---
-====
-
-NOTE: These examples assume VcPkg is already installed in the `third-party/vcpkg` directory (see the <<install-fmt>> section).
-
 === LLVM
 
 MrDocs uses LLVM to parse C++ code and extract documentation from it.
@@ -428,7 +316,7 @@ Windows PowerShell::
 [source,bash]
 ----
 cd llvm
-cmake -S . -B ./build --preset=release-win
+cmake -S . -B ./build --preset=release-win -DLLVM_ENABLE_RUNTIMES=libcxx
 ----
 --
 
@@ -438,7 +326,7 @@ Unix Variants::
 [source,bash]
 ----
 cd llvm
-cmake -S . -B ./build --preset=release-unix
+cmake -S . -B ./build --preset=release-unix -DLLVM_ENABLE_RUNTIMES=libcxx;libcxxabi;libunwind
 ----
 --
 ====
@@ -475,68 +363,26 @@ Return from `./third-party/llvm-project/llvm` to the LLVM project directory:
 cd ../..
 ----
 
-=== LibC++
-
-In addition to LLVM, MrDocs requires a deterministic version of the C++ standard library (LibC++) to ensure consistent behavior across various environments.
-This step is crucial for replicating specific compiler and library configurations.
-
-**Download**:
-
-Continue using the same LLVM project directory.
-
-**Configure**:
+=== MrDocs
 
-Configure and build LibC++ using the existing structure:
+Return to the parent directory of `third-party` (the one containing the `mrdocs` directory) to build and install MrDocs:
 
 [source,bash]
 ----
-export CXX="./install/bin/clang++"
-export CC="./install/bin/clang"
+cd ../..
 ----
 
-These options set the C and pass:[C++] compilers to the ones previously installed by LLVM.
-MrDocs only depends on the pass:[LibC++] headers, so any compiler that works for this step should be fine.
-
-Run a command such as the following to configure LLVM:
+**Configure**:
 
-[tabs]
-====
-Windows PowerShell::
-+
---
-[source,bash]
-----
-cmake -G Ninja \
-  -S runtimes \
-  -B build-libcxx \
-  -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi" \
-  -DCMAKE_INSTALL_PREFIX="$(pwd)/install" \
-  -DLIBCXXABI_USE_LLVM_UNWINDER=OFF \
-  -DLIBCXXABI_ENABLE_SHARED=OFF \
-  -DLIBCXXABI_ENABLE_STATIC=ON \
-  -DLIBCXX_ENABLE_SHARED=OFF \
-  -DLIBCXX_NO_VCRUNTIME=ON \
-  -DCMAKE_CXX_FLAGS="-D__ORDER_LITTLE_ENDIAN__=1234 -D__ORDER_BIG_ENDIAN__=4321 -D__BYTE_ORDER__=__ORDER_LITTLE_ENDIAN__"
-----
---
+The MrDocs repository also includes a `CMakePresets.json` file that contains the parameters to configure MrDocs with CMake.
 
-Unix Variants::
-+
---
-[source,bash]
-----
-cmake -G Ninja  \
-  -S runtimes  \
-  -B build-libcxx  \
-  -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind"  \
-  -DCMAKE_INSTALL_PREFIX="$(pwd)/install"
-----
---
-====
+To specify the installation directories, you can use the `LLVM_ROOT`, `DUKTAPE_ROOT`, `FMT_ROOT`, and `LIBXML2_ROOT` environment variables.
+To specify a generator (`-G`) and platform name (`-A`), you can use the `CMAKE_GENERATOR` and `CMAKE_GENERATOR_PLATFORM` environment variables.
 
-**Build**:
+You can also customize the presets by duplicating and editing the `CMakeUserPresets.json.example` file in the `mrdocs` directory.
+This is typically more convenient than using environment variables.
 
-Build and install the configured version of LibC++ with:
+For instance, to build MrDocs with the default `Release` preset, you can run the following command:
 
 [tabs]
 ====
@@ -545,8 +391,8 @@ Windows PowerShell::
 --
 [source,bash]
 ----
-ninja -C build-libcxx cxx
-ninja -C build-libcxx install-cxx
+cd mrdocs
+cmake -S . --preset=release-win
 ----
 --
 
@@ -555,69 +401,19 @@ Unix Variants::
 --
 [source,bash]
 ----
-ninja -C build-libcxx cxx cxxabi unwind
-ninja -C build-libcxx install-cxx install-cxxabi install-unwind  
+cd mrdocs
+cmake -S . --preset=release-unix
 ----
 --
 ====
 
-Return from `./third-party/llvm-project` to the parent directory to build and install MrDocs:
+To list the available presets, you can run:
 
 [source,bash]
 ----
-cd ../..
+cmake --list-presets
 ----
 
-=== MrDocs
-
-Return from `./third-party/vcpkg` to the parent directory of `third-party` (the one containing the `mrdocs` directory) to build and install MrDocs:
-
-[source,bash]
-----
-cd ../..
-----
-
-**Configure**:
-
-You can also configure MrDocs with <<mrdocs-configure-cmd-line, command line arguments>> or <<mrdocs-configure-presets, CMake presets>>.
-
-[#mrdocs-configure-cmd-line]
-_Configure with Command Line Arguments_:
-
-With the dependencies are available in `third-party`, you can configure MrDocs with:
-
-[tabs]
-====
-Windows PowerShell::
-+
---
-[source,commandline]
-----
-cmake -S mrdocs -B build -G "Visual Studio 17 2022" -A x64 -D CMAKE_CONFIGURATION_TYPES="RelWithDebInfo" -D CMAKE_EXPORT_COMPILE_COMMANDS=ON -D LLVM_ROOT="%cd%/third-party/llvm+clang/RelWithDebInfo" -D DUKTAPE_SOURCE_ROOT="%cd%/third-party/duktape-2.7.0" -D CMAKE_TOOLCHAIN_FILE="%cd%/third-party/vcpkg/scripts/buildsystems/vcpkg.cmake"
-----
---
-
-Unix Variants::
-+
---
-[source,bash]
-----
-cmake -S mrdocs -B build -D CMAKE_BUILD_TYPE=RelWithDebInfo -D CMAKE_EXPORT_COMPILE_COMMANDS=ON -D LLVM_ROOT="$(pwd)/third-party/llvm+clang/RelWithDebInfo" -D DUKTAPE_SOURCE_ROOT="$(pwd)/third-party/duktape-2.7.0" -D CMAKE_TOOLCHAIN_FILE="$(pwd)/third-party/vcpkg/scripts/buildsystems/vcpkg.cmake"
-----
---
-====
-
-[#mrdocs-configure-presets]
-_Configure with CMake Presets_:
-
-The MrDocs repository also includes a `CMakePresets.json` file that contains the parameters to configure MrDocs with CMake.
-
-To specify the installation directories, you can use the `LLVM_ROOT`, `DUKTAPE_SOURCE_ROOT`, `CMAKE_TOOLCHAIN_FILE` environment variables.
-To specify a generator (`-G`) and platform name (`-A`), you can use the `CMAKE_GENERATOR` and `CMAKE_GENERATOR_PLATFORM` environment variables.
-
-You can also customize the presets by duplicating and editing the `CMakeUserPresets.json.example` file in the `mrdocs` directory.
-This is typically more convenient than using environment variables.
-
 **Build**:
 
 Then build and install MrDocs with:
@@ -635,7 +431,6 @@ To customize the C and C++ compilers, use the `CMAKE_C_COMPILER` and `CMAKE_CXX_
 [NOTE]
 ====
 Developers should also enable `-D BUILD_TESTING=ON`.
-If any custom build of LLVM other than `RelWithDebInfo` is being used, the `LLVM_ROOT` variable should be set to the installation directory of that build.
 ====
 
 == Package layout