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Update README.md

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Add information on how build LLVM on Windows.

Change-Id: If67c07a82554ec88edf798951212c036966710ba
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
This commit is contained in:
Friedemann Kleint
2016-10-12 14:44:38 +02:00
parent 389ef1cc99
commit c30d659a99
1 changed files with 28 additions and 2 deletions
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@@ -19,6 +19,9 @@ Prerequisites:
* ActiveState Active Perl * ActiveState Active Perl
* MinGW with g++ 4.8 or Visual Studio 2015 or later * MinGW with g++ 4.8 or Visual Studio 2015 or later
* jom * jom
The optional Clang code model requires LLVM. A manual build of it requires in addition:
* cmake
* On Mac OS X: latest Xcode * On Mac OS X: latest Xcode
* On Linux: g++ 4.8 or later * On Linux: g++ 4.8 or later
* LLVM 3.8.0 or later (optional, needed for the Clang Code Model) * LLVM 3.8.0 or later (optional, needed for the Clang Code Model)
@@ -118,9 +121,32 @@ For detailed information on the supported compilers, see
command...` error. If a `sh.exe` is found, the compile process will fail. command...` error. If a `sh.exe` is found, the compile process will fail.
You have to remove it from the path. You have to remove it from the path.
10. To enable the Clang-based code model: Install Clang (>= version 3.8.0) 10. As of Qt Creator 4.2, a complete build of LLVM and Clang is required
and set the environment variable LLVM_INSTALL_DIR to point to the to enable the Clang-based code model (recommmended: 3.9). For 32bit,
a pre-built package can be downloaded from:
https://download.qt.io/development_releases/prebuilt/libclang/.
The environment variable LLVM_INSTALL_DIR needs to be set to point to the
installation location. installation location.
It is also possible to build Clang manually, roughly following the
instructions at http://llvm.org/docs/GettingStarted.html#git-mirror .
* Clone LLVM
git clone http://llvm.org/git/llvm.git
* Switch to a suitable branch, for example, release_39
cd llvm
git checkout -b release_39
* Clone Clang under llvm\tools
cd tools
git clone http://llvm.org/git/clang.git
* Switch Clang to a suitable branch
cd clang
git checkout -b release_39
* Create a shadow build directory and build
cd ..\..\..
mkdir build
cd build
cmake -G "NMake Makefiles JOM" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=<installation location> -DLLVM_ENABLE_RTTI=ON ..\llvm
jom install
11. You are now ready to configure and build Qt and Qt Creator. 11. You are now ready to configure and build Qt and Qt Creator.
Please see <https://wiki.qt.io/Building_Qt_5_from_Git> for Please see <https://wiki.qt.io/Building_Qt_5_from_Git> for