[dpdk-dev] [PATCH v2 7/7] doc: guide for Windows build using MinGW-w64

Dmitry Kozlyuk dmitry.kozliuk at gmail.com
Thu Feb 6 07:44:26 CET 2020

Instructions for different toolchains presented as options on the
corresponging steps of the guide, so that common parts may be reused.

Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk at gmail.com>
 doc/guides/windows_gsg/build_dpdk.rst | 65 +++++++++++++++++++++++----
 1 file changed, 56 insertions(+), 9 deletions(-)

diff --git a/doc/guides/windows_gsg/build_dpdk.rst b/doc/guides/windows_gsg/build_dpdk.rst
index 6711e07e2..6d093d235 100644
--- a/doc/guides/windows_gsg/build_dpdk.rst
+++ b/doc/guides/windows_gsg/build_dpdk.rst
@@ -7,15 +7,22 @@ Compiling the DPDK Target from Source
 System Requirements
-The DPDK and its applications require the Clang-LLVM C compiler
-and Microsoft MSVC linker.
+Building the DPDK and its applications requires one of the following
+* The Clang-LLVM C compiler and Microsoft MSVC linker.
+* The MinGW-w64 toolchain (either native or cross).
 The Meson Build system is used to prepare the sources for compilation
 with the Ninja backend.
 The installation of these tools is covered in this section.
+Option 1. Clang-LLVM C Compiler and Microsoft MSVC Linker
 Install the Compiler
 Download and install the clang compiler from
 `LLVM website <http://releases.llvm.org/download.html>`_.
@@ -25,7 +32,7 @@ For example, Clang-LLVM direct download link::
 Install the Linker
 Download and install the Build Tools for Visual Studio to link and build the
 files on windows,
@@ -34,6 +41,15 @@ When installing build tools, select the "Visual C++ build tools" option
 and ensure the Windows SDK is selected.
+Option 2. MinGW-w64 Toolchain
+Obtain the latest version from
+`MinGW-w64 website <http://mingw-w64.org/doku.php/download>`_.
+On Windows, install to a folder without spaces in its name, like ``C:\MinGW``.
+This path is assumed for the rest of this guide.
 Install the Build System
@@ -43,6 +59,14 @@ A good option to choose is the MSI installer for both meson and ninja together::
+.. warning::
+    Meson 0.53 has `issue #6431 <https://github.com/mesonbuild/meson/issues/6431>`_
+    that prevents cross-compilation and another linker issue with Clang
+    (`workaround patch <https://github.com/mesonbuild/meson/pull/6483>`_).
+    Meson 0.47.1 is recommended, Meson 0.52 can also be used if new features
+    are required.
 Install the Backend
@@ -56,23 +80,41 @@ Build the code
 The build environment is setup to build the EAL and the helloworld example by
-Using the ninja backend
+Option 1. Native Build on Windows
-Specifying the compiler might be required to complete the meson command.
+When using Clang-LLVM, specifying the compiler might be required to complete
+the meson command:
 .. code-block:: console
     set CC=clang
+When using MinGW-w64, it is sufficient to have toolchain executables in PATH:
+.. code-block:: console
+    set PATH=C:\MinGW\mingw64\bin;%PATH%
 To compile the examples, the flag ``-Dexamples`` is required.
 .. code-block:: console
     cd C:\Users\me\dpdk
     meson -Dexamples=helloworld build
-    cd build
-    ninja
+    ninja -C build
+Option 2. Cross-Compile with MinGW-w64
+The cross-file option must be specified for Meson.
+Depending on the distribution, paths in this file may need adjustments.
+.. code-block:: console
+    meson --cross-file config/x86/meson_mingw.txt -Dexamples=helloworld build
+    ninja -C build
 Run the helloworld example
@@ -87,3 +129,8 @@ Navigate to the examples in the build directory and run `dpdk-helloworld.exe`.
     hello from core 3
     hello from core 0
     hello from core 2
+Note for MinGW-w64: applications are linked to ``libwinpthread-1.dll``
+by default. To run the example, either add toolchain executables directory
+to the PATH or copy the library to the working directory.
+Alternatively, static linking may be used (mind the LGPLv2.1 license).

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