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diff --git a/contrib/depends/README.md b/contrib/depends/README.md new file mode 100644 index 0000000..1aa5b27 --- /dev/null +++ b/contrib/depends/README.md @@ -0,0 +1,74 @@ +### Usage + +To build dependencies for the current arch+OS: + +```bash +make +``` + +To build for another arch/OS: + +```bash +make HOST=host-platform-triplet +``` + +For example: + +```bash +make HOST=x86_64-w64-mingw32 -j4 +``` + +A toolchain will be generated that's suitable for plugging into Monero's +cmake. In the above example, a dir named x86_64-w64-mingw32 will be +created. To use it for Monero: + +```bash +cmake -DCMAKE_TOOLCHAIN=`pwd`/contrib/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 x86_64 +- `arm-linux-gnueabihf` for Linux ARM 32 bit +- `aarch64-linux-gnu` for Linux ARM 64 bit +- `riscv64-linux-gnu` for Linux RISCV 64 bit + +No other options are needed, the paths are automatically configured. + +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 +FALLBACK_DOWNLOAD_PATH: If a source file can't be fetched, try here before giving up +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 +``` + +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 +``` + +#Mingw builds + +Building for 32/64bit mingw requires switching alternatives to a posix mode + +```bash +update-alternatives --set x86_64-w64-mingw32-g++ x86_64-w64-mingw32-g++-posix +update-alternatives --set x86_64-w64-mingw32-gcc x86_64-w64-mingw32-gcc-posix +``` + +### Other documentation + +- [description.md](description.md): General description of the depends system +- [packages.md](packages.md): Steps for adding packages + |