Using ARM64 Pointer Authentication to Harden Return Addresses
Learn how ARMv8.3-A Pointer Authentication (PAC) signs return addresses to detect tampering, how to enable it in your toolchain and kernel, and what trade‑offs to consider.
Loading…
ReadMeFeed / Community knowledge
#toolchain
Real questions. Useful conversations. Find the people who know your stack.
aarch64CLion CMake Configuration Fails: A Diagnostic Guide for Missing Targets and Stuck Indexing
CLion shows 'CMake configuration failed', targets vanish, and indexing stalls — here is how to match the symptom to the cause, fix it, and know when to escalate.
clionGo SDK resolution conflict between go.mod toolchain directive and .idea/goModules.xml override in GoLand 2023.2+
When a GoLand project defines both a go.mod toolchain directive and an .idea/goModules.xml SDK override, it is unclear which source the IDE uses to determine the Project SDK. This ambiguity affects code inspections, navigation, and run/debug configurations, especially when teams share the same repository across different workstations. What determines the pre
golandToolchain File vs Environment Variables: Which Precedence Should CMake Use for Compiler Selection?
Goal Determine the reliable compiler selection when both a toolchain file and environment variables (e.g., CMAKE_C_COMPILER ) are supplied for cross‑compilation on Windows. Constraint Both mechanisms are documented and can coexist, yet the CMake documentation does not specify a clear precedence rule, leading to inconsistent build outputs across generators. U
GCC Reproducible Builds: Transitioning from -frandom-seed to SOURCE_DATE_EPOCH
Deterministic Binary Generation Achieving bit-for-bit identical binaries across different build environments in GCC requires neutralizing non-deterministic inputs. While -frandom-seed stabilizes optimization passes, the default expansion of __DATE__ and __TIME__ macros introduces temporal variance. Path and Timestamp Constraints To maintain a repeatable deve
go: go.mod requires go >= 1.22 (running go 1.21; GOTOOLCHAIN=local) – choosing toolchain policy
Teams adopting Go modules for repeatable development must decide how to enforce the toolchain version declared in go.mod. The go directive sets a minimum required version, while the optional toolchain directive can request a specific version when GOTOOLCHAIN=auto. The unresolved decision is whether to lock the toolchain locally (GOTOOLCHAIN=local) to guarant
CMake configure step vs CMakeCache.txt: when do cached check results invalidate?
Integration boundary The CMake configure step runs check modules such as check_cxx_source_compiles and stores their boolean outcomes in CMakeCache.txt . On subsequent reconfigures, CMake skips a check if its cache variable already exists, which means the result can persist even when the compiler, CMAKE_REQUIRED_FLAGS , or the toolchain file has changed. Unre
cmakeWASI preview2 Component Model adoption vs preview1 stability for repeatable server-side builds
Goal Establish a hermetic, reproducible WebAssembly build pipeline for server-side and edge workloads that survives toolchain upgrades and runtime migrations. Constraints WASI preview1 (wasi_snapshot_preview1) remains the de facto stable target across Rust (wasm32-wasi), C/C++ (wasi-sdk), Go, and TinyGo. Preview2 / WASI 0.2, built on the Component Model with
wasmCMake Presets vs CLion CMake Profiles: which governs toolchain selection when both target the same configure step?
Goal Establish a single source of truth for toolchain and generator selection so that local CLion builds and CI pipelines produce identical CMakeCache.txt output. Constraint The project uses a versioned CMakePresets.json checked into VCS to define a Docker-based toolchain for reproducible builds. Developers also create personal CLion CMake Profiles in the ID