145 lines
5.2 KiB
Nim
145 lines
5.2 KiB
Nim
when defined(release):
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let nimCachePath = "nimcache/release/" & projectName()
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else:
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let nimCachePath = "nimcache/debug/" & projectName()
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switch("nimcache", nimCachePath)
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# `-flto` gives a significant improvement in processing speed, specially hash tree and state transition (basically any CPU-bound code implemented in nim)
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# With LTO enabled, optimization flags should be passed to both compiler and linker!
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if defined(release) and not defined(disableLTO):
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if defined(macosx): # Clang
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switch("passC", "-flto=thin")
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switch("passL", "-flto=thin -Wl,-object_path_lto," & nimCachePath & "/lto")
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elif defined(linux):
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switch("passC", "-flto=jobserver")
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switch("passL", "-flto=jobserver")
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switch("passC", "-finline-limit=100000")
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switch("passL", "-finline-limit=100000")
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else:
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# On windows, LTO needs more love and attention so "gcc-ar" and "gcc-ranlib" are
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# used for static libraries.
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discard
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if defined(windows):
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# disable timestamps in Windows PE headers - https://wiki.debian.org/ReproducibleBuilds/TimestampsInPEBinaries
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switch("passL", "-Wl,--no-insert-timestamp")
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# increase stack size
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switch("passL", "-Wl,--stack,8388608")
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# https://github.com/nim-lang/Nim/issues/4057
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--tlsEmulation:off
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if defined(i386):
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# set the IMAGE_FILE_LARGE_ADDRESS_AWARE flag so we can use PAE, if enabled, and access more than 2 GiB of RAM
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switch("passL", "-Wl,--large-address-aware")
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# The dynamic Chronicles output currently prevents us from using colors on Windows
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# because these require direct manipulations of the stdout File object.
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switch("define", "chronicles_colors=off")
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# This helps especially for 32-bit x86, which sans SSE2 and newer instructions
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# requires quite roundabout code generation for cryptography, and other 64-bit
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# and larger arithmetic use cases, along with register starvation issues. When
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# engineering a more portable binary release, this should be tweaked but still
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# use at least -msse2 or -msse3.
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if defined(disableMarchNative):
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switch("passC", "-msse3")
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switch("passL", "-msse3")
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else:
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switch("passC", "-march=native")
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switch("passL", "-march=native")
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if defined(windows):
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65782
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# ("-fno-asynchronous-unwind-tables" breaks Nim's exception raising, sometimes)
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switch("passC", "-mno-avx512f")
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switch("passL", "-mno-avx512f")
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# omitting frame pointers in nim breaks the GC
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# https://github.com/nim-lang/Nim/issues/10625
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switch("passC", "-fno-omit-frame-pointer")
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switch("passL", "-fno-omit-frame-pointer")
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--threads:on
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--opt:speed
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--excessiveStackTrace:on
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# enable metric collection
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--define:metrics
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--define:chronicles_line_numbers
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# for heap-usage-by-instance-type metrics and object base-type strings
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--define:nimTypeNames
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# switch("define", "snappy_implementation=libp2p")
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const currentDir = currentSourcePath()[0 .. ^(len("config.nims") + 1)]
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switch("define", "nim_compiler_path=" & currentDir & "env.sh nim")
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switch("define", "withoutPCRE")
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switch("import", "testutils/moduletests")
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const useLibStackTrace = not defined(macosx) and
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not defined(windows) and
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not defined(disable_libbacktrace)
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when useLibStackTrace:
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--define:nimStackTraceOverride
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switch("import", "libbacktrace")
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else:
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--stacktrace:on
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--linetrace:on
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# the default open files limit is too low on macOS (512), breaking the
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# "--debugger:native" build. It can be increased with `ulimit -n 1024`.
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if not defined(macosx):
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# add debugging symbols and original files and line numbers
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--debugger:native
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--define:nimOldCaseObjects # https://github.com/status-im/nim-confutils/issues/9
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# `switch("warning[CaseTransition]", "off")` fails with "Error: invalid command line option: '--warning[CaseTransition]'"
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switch("warning", "CaseTransition:off")
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# The compiler doth protest too much, methinks, about all these cases where it can't
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# do its (N)RVO pass: https://github.com/nim-lang/RFCs/issues/230
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switch("warning", "ObservableStores:off")
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# Too many false positives for "Warning: method has lock level <unknown>, but another method has 0 [LockLevel]"
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switch("warning", "LockLevel:off")
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# Useful for Chronos metrics.
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#--define:chronosFutureTracking
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# ############################################################
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#
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# No LTO for crypto
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#
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# ############################################################
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# This applies per-file compiler flags to C files
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# which do not support {.localPassC: "-fno-lto".}
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# Unfortunately this is filename based instead of path-based
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# Assumes GCC
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# BLST
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put("server.always", "-fno-lto")
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put("assembly.always", "-fno-lto")
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# Secp256k1
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put("secp256k1.always", "-fno-lto")
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# BearSSL - only RNGs
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put("aesctr_drbg.always", "-fno-lto")
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put("hmac_drbg.always", "-fno-lto")
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put("sysrng.always", "-fno-lto")
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# Miracl - only ECP to derive public key from private key
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put("ecp_BLS12381.always", "-fno-lto")
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# ############################################################
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#
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# Spurious warnings
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#
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# ############################################################
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# sqlite3.c: In function ‘sqlite3SelectNew’:
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# vendor/nim-sqlite3-abi/sqlite3.c:124500: warning: function may return address of local variable [-Wreturn-local-addr]
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put("sqlite3.always", "-fno-lto") # -Wno-return-local-addr
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