dash/depends/README.md
Wladimir J. van der Laan 4a7c3c22a7
Merge #13543: depends: Add RISC-V support
974f0bf8e684696be7796dbf3d48ff0a41f4ac26 depends: Mention RISC-V known compilation issue with gcc-7.3.x (Wladimir J. van der Laan)
0d1f38c45ff40f17b42074e3b58211e794a19edb depends: update zmq config.guess/config.sub for riscv support (fanquake)
409481c46555afb34a038dbc69a8285b83eb952e depends: latest config.sub (fanquake)
d7005e9988ddae4d3507963b42c525257c34ddb0 depends: latest config.guess (fanquake)
359e2e352590e1e473da70e28a38d14a068a3103 depends: Add RISC-V support (Wladimir J. van der Laan)

Pull request description:

  This adds support for riscv32 and riscv64 builds to the depends system.

  The change consists of documentation and build system changes. The most significant change is an update of `config.sub` and `config.guess` inside zeromq patch, as the current version does not recognize the `riscv*` host tuples (there's no new version of ZeroMQ yet with newer ones).

  Good thing: RISC-V 64-bit toolchain packages can be installed out of the box on Ubuntu 18.04+.

  I would also like to add RISC-V 64-bit executables to gitian, but this will not be possible until #12511 .

Tree-SHA512: 358ed72ee9e4ae44e7d305c09a4ff5ce5460eeb7ed915eb25d39c8f43b61e7b347f51bf0ae5d83ddb4ce8876dea7703c926b3baa3cccb4932b3bc17160d801bb
(cherry picked from commit 6c6a3001e51b1679af2f375f158d8c87bbb330bc)

# Conflicts:
#	depends/Makefile
2020-05-17 02:31:35 -03:00

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Markdown

### Usage
To build dependencies for the current arch+OS:
make
To build for another arch/OS:
make HOST=host-platform-triplet
For example:
make HOST=x86_64-w64-mingw32 -j4
A prefix will be generated that's suitable for plugging into Dash's
configure. In the above example, a dir named x86_64-w64-mingw32 will be
created. To use it for Dash:
./configure --prefix=`pwd`/depends/x86_64-w64-mingw32
Common `host-platform-triplets` for cross compilation are:
- `i686-w64-mingw32` for Win32
- `x86_64-w64-mingw32` for Win64
- `x86_64-apple-darwin11` for MacOSX
- `arm-linux-gnueabihf` for Linux ARM 32 bit
- `aarch64-linux-gnu` for Linux ARM 64 bit
- `riscv32-linux-gnu` for Linux RISC-V 32 bit
- `riscv64-linux-gnu` for Linux RISC-V 64 bit
No other options are needed, the paths are automatically configured.
Install the required dependencies: Ubuntu & Debian
--------------------------------------------------
For macOS cross compilation:
sudo apt-get install curl librsvg2-bin libtiff-tools bsdmainutils cmake imagemagick libcap-dev libz-dev libbz2-dev python-setuptools
For Win32/Win64 cross compilation:
- see [build-windows.md](../doc/build-windows.md#cross-compilation-for-ubuntu-and-windows-subsystem-for-linux)
For linux (including i386, ARM) cross compilation:
sudo apt-get install curl g++-aarch64-linux-gnu g++-4.8-aarch64-linux-gnu gcc-4.8-aarch64-linux-gnu binutils-aarch64-linux-gnu g++-arm-linux-gnueabihf g++-4.8-arm-linux-gnueabihf gcc-4.8-arm-linux-gnueabihf binutils-arm-linux-gnueabihf g++-4.8-multilib gcc-4.8-multilib binutils-gold bsdmainutils
For linux RISC-V 64-bit cross compilation (there are no packages for 32-bit):
sudo apt-get install curl g++-riscv64-linux-gnu binutils-riscv64-linux-gnu
RISC-V known issue: gcc-7.3.0 and gcc-7.3.1 result in a broken `test_dash` executable (see https://github.com/bitcoin/bitcoin/pull/13543),
this is apparently fixed in gcc-8.1.0.
Dependency Options:
The following can be set when running make: make FOO=bar
SOURCES_PATH: downloaded sources will be placed here
BASE_CACHE: built packages will be placed here
SDK_PATH: Path where sdk's can be found (used by OSX)
FALLBACK_DOWNLOAD_PATH: If a source file can't be fetched, try here before giving up
NO_QT: Don't download/build/cache qt and its dependencies
NO_WALLET: Don't download/build/cache libs needed to enable the wallet
NO_UPNP: Don't download/build/cache packages needed for enabling upnp
DEBUG: disable some optimizations and enable more runtime checking
HOST_ID_SALT: Optional salt to use when generating host package ids
BUILD_ID_SALT: Optional salt to use when generating build package ids
If some packages are not built, for example `make NO_WALLET=1`, the appropriate
options will be passed to Dash Core's configure. In this case, `--disable-wallet`.
Additional targets:
download: run 'make download' to fetch all sources without building them
download-osx: run 'make download-osx' to fetch all sources needed for osx builds
download-win: run 'make download-win' to fetch all sources needed for win builds
download-linux: run 'make download-linux' to fetch all sources needed for linux builds
### Other documentation
- [description.md](description.md): General description of the depends system
- [packages.md](packages.md): Steps for adding packages