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6c797b13e8
2ecaf214331b506ebfac4f4922241744357d652b gitian: remove execstack workaround for ricv64 & powerpc64le (fanquake)
5baff2b31840bdbc465f55b875aa6e9480288215 build: use focal in gitian descriptors (fanquake)
Pull request description:
This PR changes the gitian descriptors to use Ubuntu Focal (20.04), over Bionic (18.04), moving from GCC 7.5 to GCC 8.4 for native Linux builds, mingw-w64 GCC 7.3 to mingw-w64 GCC 9.3 for Windows builds, while continuing to use GCC 8.4 for all cross builds and Clang 8.0.0 for macOS builds.
It also drops the `-Wl,-z,noexecstack` workaround we've been using for the riscv64 and powerpc64le hosts, as it's no-longer needed. One new package is installed in the osx build, `libtinfo5`, as libtinfo5.so is required by our downloaded Clang 8.
A bump to Focal will at least be required if we want to update to a newer Qt (5.15, #19716) for 22.0, as we need a newer version of [`g++-mingw-w64`](https://packages.ubuntu.com/focal/g++-mingw-w64-x86-64) and the [`mingw-w64`](https://mingw-w64.org/doku.php) headers. This can still be done while continuing to use GCC 8.4 for Linux builds (see below), however the newer `g++-mingw-w64` will be based off of GCC 9.3.
**Some considerations**
GCC 9 is affected by #20005 "memcmp with constants that contain zero bytes are broken in GCC", and the newer `g++-mingw-w64` will be based off of GCC 9.3.
The `--no-*` variants of the Windows linker flags (i.e `--no-dynamicbase`) we use to [test our `security-check.py` script](
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| .. | ||
| auto_gdb | ||
| debian | ||
| devtools | ||
| gitian-descriptors | ||
| gitian-keys | ||
| init | ||
| linearize | ||
| macdeploy | ||
| qos | ||
| seeds | ||
| testgen | ||
| verify-commits | ||
| verifybinaries | ||
| windeploy | ||
| zmq | ||
| dash-cli.bash-completion | ||
| dash-qt.pro | ||
| dash-tx.bash-completion | ||
| dashd.bash-completion | ||
| filter-lcov.py | ||
| gitian-build.py | ||
| README.md | ||
| valgrind.supp | ||
Repository Tools
Developer tools
Specific tools for developers working on this repository.
Contains the script github-merge.py for merging GitHub pull requests securely and signing them using GPG.
Verify-Commits
Tool to verify that every merge commit was signed by a developer using the above github-merge.py script.
Linearize
Construct a linear, no-fork, best version of the blockchain.
Qos
A Linux bash script that will set up traffic control (tc) to limit the outgoing bandwidth for connections to the Dash network. This means one can have an always-on dashd instance running, and another local dashd/dash-qt instance which connects to this node and receives blocks from it.
Seeds
Utility to generate the pnSeed[] array that is compiled into the client.
Build Tools and Keys
Debian
Contains files used to package dashd/dash-qt for Debian-based Linux systems. If you compile dashd/dash-qt yourself, there are some useful files here.
Gitian-descriptors
Notes on getting Gitian builds up and running using KVM.
Gitian-keys
PGP keys used for signing Dash Core Gitian release results.
MacDeploy
Scripts and notes for Mac builds.
Gitian-build
Script for running full Gitian builds.
Test and Verify Tools
TestGen
Utilities to generate test vectors for the data-driven Dash tests.
Verify Binaries
This script attempts to download and verify the signature file SHA256SUMS.asc from bitcoin.org.