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1declare_args() {2 # Build for debugging. Equivalent to is_optimized=false symbol_level=2.3 is_debug = false4 5 # Whether to build with tsan.6 use_tsan = false7 8 # Whether to build with ubsan.9 use_ubsan = false10 11 # Whether to build with asan.12 use_asan = false13 14 # Whether to enable assertions.15 llvm_enable_assertions = true16 17 # Whether to enable expensive checks.18 llvm_enable_expensive_checks = false19 20 # Whether to build with ThinLTO.21 use_thinlto = false22 23 # Max jobs per ThinLTO link.24 max_jobs_per_lto_link = 825}26 27# args that depend on other args must live in a later declare_args() block.28declare_args() {29 # Whether to build with optimizations.30 is_optimized = !is_debug31 32 if (is_debug) {33 # Debug info symbol level. 0: No symbols; 1: Line numbers; 2: Full symbols.34 symbol_level = 235 } else {36 # Debug info symbol level. 0: No symbols; 1: Line numbers; 2: Full symbols.37 symbol_level = 038 }39}40