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685b7a7a1b
094772656d71b3f5022ae292094e878da035de9e build: support LTO in depends (fanquake)
Pull request description:
This adds an `LTO` option to depends, i.e `make -C depends LTO=1`, which passes `-flto` when building packages (not currently qt), and automatically configures with `--enable-lto` when doing a build using a `CONFIG_SITE`.
The following tables comapres the size (in bytes) of the stripped `x86_64` Linux binaries produced with master and this PR (full depends build):
| Binary | stripped master | stripped LTO=1 | saving |
| -------- | ----------------: | -------------: | --------: |
| bitcoin-cli | 1178632 | 469872 | 60% |
| bitcoin-tx | 2710584 | 1866504 | 31% |
| bitcoin-util | 952880 | 240104 | 74% |
| bitcoin-wallet | 7992888 | 5365984 | 32% |
| bitcoind | 13421336 | 11868592 | 12% |
| bitcoin-qt | 37680496 | 31640976 | 16% |
ACKs for top commit:
laanwj:
Tested ACK 094772656d71b3f5022ae292094e878da035de9e
Tree-SHA512: 6b8483ea490e57a153105ad8c38b25fb1af5d55b1af22db398c7c2573612aaf71b4d2b4cf09c18fd6331b1358dba01641eeaa03e5018a925392e1937118d984a
140 lines
5.9 KiB
Markdown
140 lines
5.9 KiB
Markdown
### Usage
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To build dependencies for the current arch+OS:
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make
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To build for another arch/OS:
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make HOST=host-platform-triplet
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For example:
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make HOST=x86_64-w64-mingw32 -j4
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**Dash Core's `configure` script by default will ignore the depends output.** In
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order for it to pick up libraries, tools, and settings from the depends build,
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you must set the `CONFIG_SITE` environment variable to point to a `config.site` settings file.
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In the above example, a file named `depends/x86_64-w64-mingw32/share/config.site` will be
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created. To use it during compilation:
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CONFIG_SITE=$PWD/depends/x86_64-w64-mingw32/share/config.site ./configure
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The default install prefix when using `config.site` is `--prefix=depends/<host-platform-triplet>`,
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so depends build outputs will be installed in that location.
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Common `host-platform-triplet`s for cross compilation are:
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- `i686-pc-linux-gnu` for Linux 32 bit
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- `x86_64-pc-linux-gnu` for x86 Linux
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- `x86_64-w64-mingw32` for Win64
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- `x86_64-apple-darwin` for macOS
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- `arm64-apple-darwin` for ARM macOS
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- `arm-linux-gnueabihf` for Linux ARM 32 bit
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- `aarch64-linux-gnu` for Linux ARM 64 bit
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- `powerpc64-linux-gnu` for Linux POWER 64-bit (big endian)
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- `powerpc64le-linux-gnu` for Linux POWER 64-bit (little endian)
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- `riscv32-linux-gnu` for Linux RISC-V 32 bit
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- `riscv64-linux-gnu` for Linux RISC-V 64 bit
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- `s390x-linux-gnu` for Linux S390X
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- `armv7a-linux-android` for Android ARM 32 bit
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- `aarch64-linux-android` for Android ARM 64 bit
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- `x86_64-linux-android` for Android x86 64 bit
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The paths are automatically configured and no other options are needed unless targeting [Android](../doc/build-android.md).
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### Install the required dependencies: Ubuntu & Debian
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#### For macOS cross compilation
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sudo apt-get install curl bsdmainutils cmake libz-dev python3-setuptools libtinfo5 xorriso
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Note: You must obtain the macOS SDK before proceeding with a cross-compile.
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Under the depends directory, create a subdirectory named `SDKs`.
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Then, place the extracted SDK under this new directory.
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For more information, see [SDK Extraction](../contrib/macdeploy/README.md#sdk-extraction).
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#### For Win64 cross compilation
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- see [build-windows.md](../doc/build-windows.md#cross-compilation-for-ubuntu-and-windows-subsystem-for-linux)
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#### For linux (including i386, ARM) cross compilation
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Common linux dependencies:
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sudo apt-get install make automake curl g++-multilib libtool binutils-gold bsdmainutils pkg-config python3 patch bison
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For linux ARM cross compilation:
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sudo apt-get install g++-arm-linux-gnueabihf binutils-arm-linux-gnueabihf
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For linux AARCH64 cross compilation:
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sudo apt-get install g++-aarch64-linux-gnu binutils-aarch64-linux-gnu
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For linux POWER 64-bit cross compilation (there are no packages for 32-bit):
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sudo apt-get install g++-powerpc64-linux-gnu binutils-powerpc64-linux-gnu g++-powerpc64le-linux-gnu binutils-powerpc64le-linux-gnu
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For linux RISC-V 64-bit cross compilation (there are no packages for 32-bit):
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sudo apt-get install g++-riscv64-linux-gnu binutils-riscv64-linux-gnu
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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),
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this is apparently fixed in gcc-8.1.0.
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For linux S390X cross compilation:
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sudo apt-get install g++-s390x-linux-gnu binutils-s390x-linux-gnu
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### Install the required dependencies: OpenBSD
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pkg_add bash gtar
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### Dependency Options
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The following can be set when running make: `make FOO=bar`
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- `SOURCES_PATH`: Downloaded sources will be placed here
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- `BASE_CACHE`: Built packages will be placed here
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- `SDK_PATH`: Path where SDKs can be found (used by macOS)
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- `FALLBACK_DOWNLOAD_PATH`: If a source file can't be fetched, try here before giving up
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- `NO_QT`: Don't download/build/cache Qt and its dependencies
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- `NO_QR`: Don't download/build/cache packages needed for enabling qrencode
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- `NO_ZMQ`: Don't download/build/cache packages needed for enabling ZeroMQ
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- `NO_WALLET`: Don't download/build/cache libs needed to enable the wallet
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- `NO_BDB`: Don't download/build/cache BerkeleyDB
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- `NO_SQLITE`: Don't download/build/cache SQLite
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- `NO_UPNP`: Don't download/build/cache packages needed for enabling UPnP
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- `ALLOW_HOST_PACKAGES`: Packages that are missed in dependencies (due to `NO_*` option or
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build script logic) are searched for among the host system packages using
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`pkg-config`. It allows building with packages of other (newer) versions
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- `NO_NATPMP`: Don't download/build/cache packages needed for enabling NAT-PMP
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- `MULTIPROCESS`: build libmultiprocess (experimental, requires cmake)
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- `DEBUG`: Disable some optimizations and enable more runtime checking
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- `HOST_ID_SALT`: Optional salt to use when generating host package ids
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- `BUILD_ID_SALT`: Optional salt to use when generating build package ids
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- `FORCE_USE_SYSTEM_CLANG`: (EXPERTS ONLY) When cross-compiling for macOS, use Clang found in the
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system's `$PATH` rather than the default prebuilt release of Clang
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from llvm.org. Clang 8 or later is required
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- `LOG`: Use file-based logging for individual packages. During a package build its log file
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resides in the `depends` directory, and the log file is printed out automatically in case
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of build error. After successful build log files are moved along with package archives
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- `LTO`: Use LTO when building packages.
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If some packages are not built, for example `make NO_WALLET=1`, the appropriate
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options will be passed to Dash Core's configure. In this case, `--disable-wallet`.
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### Additional targets
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download: run 'make download' to fetch all sources without building them
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download-osx: run 'make download-osx' to fetch all sources needed for macOS builds
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download-win: run 'make download-win' to fetch all sources needed for win builds
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download-linux: run 'make download-linux' to fetch all sources needed for linux builds
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### Other documentation
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- [description.md](description.md): General description of the depends system
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- [packages.md](packages.md): Steps for adding packages
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