[flags]
# Example /etc/depot.d/build.toml
#
# Drop-in build defaults. This file is a good place for policy that should
# apply everywhere without crowding the main /etc/depot.toml.

# Toolchain selection.
cc = "clang"
# cxx = "clang++"
# ar = "ar"
# ld = "ld.lld"

# Compiler defaults. These are merged with package-level flags unless a package
# explicitly replaces them.
cflags = ["-O2"]
cflags += ["-pipe"]
# cxxflags = ["-O2", "-pipe"]

# Linker defaults.
ldflags = ["-Wl,-O1"]

# Link-time optimization policy.
ltoflags = ["-flto=auto"]

# Rust-specific LTO flags appended only to RUSTFLAGS when use_lto is enabled.
# rustltoflags = ["-Clinker-plugin-lto"]
use_lto = true

# Architecture defaults. Packages may still override this when needed.
carch = "x86_64"
# chost = "x86_64-sfg-linux-gnu"
# cbuild = "x86_64-sfg-linux-gnu"

# Optional install directory overrides for supported builders.
# bindir = "/usr/bin"
# libdir = "/usr/lib"
# sysconfdir = "/etc"

# Example of additive layering in depot.d:
# cflags += ["-fstack-clash-protection"]
# ldflags += ["-Wl,-z,relro", "-Wl,-z,now"]

# Avoid host-specific tuning such as -march=native in shared system configs
# unless every package built on this machine is intended only for this machine.
# cflags += ["-march=native"]