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README: update windows build instructions for eigen, python

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The recent addition of "eigen3" to nextpnr necessitates the addition of
"eigen" to the list of vcpkg packages to be installed on Windows.

Add the 32- and 64-bit versions of eigen to the command issued to
install various dependencies.

Also document one possible build command, and note about unpacking
python36.zip.

Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2019-04-02 15:25:00 +08:00
parent d27ec2cd15
commit 638f84a622
1 changed files with 10 additions and 2 deletions
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12
README.md
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@ -39,8 +39,9 @@ of the selected architecture:
- Eigen3 (`libeigen3-dev` for Ubuntu) is required to build the analytic placer
- Latest git Yosys is required to synthesise the demo design
- For building on Windows with MSVC, usage of vcpkg is advised for dependency installation.
- For 32 bit builds: `vcpkg install boost-filesystem boost-program-options boost-thread boost-python qt5-base`
- For 64 bit builds: `vcpkg install boost-filesystem:x64-windows boost-program-options:x64-windows boost-thread:x64-windows boost-python:x64-windows qt5-base:x64-windows`
- For 32 bit builds: `vcpkg install boost-filesystem boost-program-options boost-thread boost-python qt5-base eigen3`
- For 64 bit builds: `vcpkg install boost-filesystem:x64-windows boost-program-options:x64-windows boost-thread:x64-windows boost-python:x64-windows qt5-base:x64-windows eigen3:x64-windows`
- A copy of Python that matches the version in vcpkg (currently Python 3.6.4). You can download the [Embeddable Zip File](https://www.python.org/downloads/release/python-364/) and extract it. You may need to extract `python36.zip` within the embeddable zip file to a new directory called "Lib".
- For building on macOS, brew utility is needed.
- Install all needed packages `brew install cmake python boost boost-python3 qt5`
- Do not forget to add qt5 in path as well `echo 'export PATH="/usr/local/opt/qt/bin:$PATH"' >> ~/.bash_profile`
@ -61,6 +62,13 @@ make -j$(nproc)
sudo make install
```
On Windows, you may specify paths explicitly:
```
cmake -DARCH=ice40 -DICEBOX_ROOT=C:/ProgramData/icestorm/share/icebox -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake -DVCPKG_TARGET_TRIPLET=x64-windows -G "Visual Studio 15 2017 Win64" -DPYTHON_EXECUTABLE=C:/Python364/python.exe -DPYTHON_LIBRARY=C:/vcpkg/packages/python3_x64-windows/lib/python36.lib -DPYTHON_INCLUDE_DIR=C:/vcpkg/packages/python3_x64-windows/include/python3.6
cmake --build . --config Release
```
A simple example that runs on the iCEstick dev board can be found in `ice40/blinky.*`.
Usage example: