240 lines
9.4 KiB
Nim
240 lines
9.4 KiB
Nim
# beacon_chain
|
||
# Copyright (c) 2020-2023 Status Research & Development GmbH
|
||
# Licensed and distributed under either of
|
||
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
|
||
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
|
||
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
||
|
||
import strutils
|
||
|
||
--noNimblePath
|
||
|
||
const currentDir = currentSourcePath()[0 .. ^(len("config.nims") + 1)]
|
||
|
||
if getEnv("NIMBUS_BUILD_SYSTEM") == "yes" and
|
||
# BEWARE
|
||
# In Nim 1.6, config files are evaluated with a working directory
|
||
# matching where the Nim command was invocated. This means that we
|
||
# must do all file existance checks with full absolute paths:
|
||
system.fileExists(currentDir & "nimbus-build-system.paths"):
|
||
include "nimbus-build-system.paths"
|
||
|
||
const nimCachePathOverride {.strdefine.} = ""
|
||
when nimCachePathOverride == "":
|
||
when defined(release):
|
||
let nimCachePath = "nimcache/release/" & projectName()
|
||
else:
|
||
let nimCachePath = "nimcache/debug/" & projectName()
|
||
else:
|
||
let nimCachePath = nimCachePathOverride
|
||
switch("nimcache", nimCachePath)
|
||
|
||
# `-flto` gives a significant improvement in processing speed, specially hash tree and state transition (basically any CPU-bound code implemented in nim)
|
||
# With LTO enabled, optimization flags should be passed to both compiler and linker!
|
||
if defined(release) and not defined(disableLTO):
|
||
# "-w" is not passed to the compiler during linking, so we need to disable
|
||
# some warnings by hand.
|
||
switch("passL", "-Wno-stringop-overflow -Wno-stringop-overread")
|
||
|
||
if defined(macosx): # Clang
|
||
switch("passC", "-flto=thin")
|
||
switch("passL", "-flto=thin -Wl,-object_path_lto," & nimCachePath & "/lto")
|
||
elif defined(linux):
|
||
switch("passC", "-flto=auto")
|
||
switch("passL", "-flto=auto")
|
||
switch("passC", "-finline-limit=100000")
|
||
switch("passL", "-finline-limit=100000")
|
||
else:
|
||
# On windows, LTO needs more love and attention so "gcc-ar" and "gcc-ranlib" are
|
||
# used for static libraries.
|
||
discard
|
||
|
||
# Hidden visibility allows for better position-independent codegen - it also
|
||
# resolves a build issue in BLST where otherwise private symbols would require
|
||
# an unsupported relocation on PIE-enabled distros such as ubuntu - BLST itself
|
||
# solves this via a linker script which is messy
|
||
switch("passC", "-fvisibility=hidden")
|
||
|
||
# show C compiler warnings
|
||
if defined(cwarnings):
|
||
let common_gcc_options = "-Wno-discarded-qualifiers -Wno-incompatible-pointer-types"
|
||
if defined(windows):
|
||
put("gcc.options.always", "-mno-ms-bitfields " & common_gcc_options)
|
||
put("clang.options.always", "-mno-ms-bitfields " & common_gcc_options)
|
||
else:
|
||
put("gcc.options.always", common_gcc_options)
|
||
put("clang.options.always", common_gcc_options)
|
||
|
||
if defined(limitStackUsage):
|
||
# This limits stack usage of each individual function to 1MB - the option is
|
||
# available on some GCC versions but not all - run with `-d:limitStackUsage`
|
||
# and look for .su files in "./build/", "./nimcache/" or $TMPDIR that list the
|
||
# stack size of each function.
|
||
switch("passC", "-fstack-usage -Werror=stack-usage=1048576")
|
||
switch("passL", "-fstack-usage -Werror=stack-usage=1048576")
|
||
|
||
if defined(windows):
|
||
# disable timestamps in Windows PE headers - https://wiki.debian.org/ReproducibleBuilds/TimestampsInPEBinaries
|
||
switch("passL", "-Wl,--no-insert-timestamp")
|
||
# increase stack size
|
||
switch("passL", "-Wl,--stack,8388608")
|
||
# https://github.com/nim-lang/Nim/issues/4057
|
||
--tlsEmulation:off
|
||
if defined(i386):
|
||
# set the IMAGE_FILE_LARGE_ADDRESS_AWARE flag so we can use PAE, if enabled, and access more than 2 GiB of RAM
|
||
switch("passL", "-Wl,--large-address-aware")
|
||
|
||
# The dynamic Chronicles output currently prevents us from using colors on Windows
|
||
# because these require direct manipulations of the stdout File object.
|
||
switch("define", "chronicles_colors=off")
|
||
|
||
# Avoid some rare stack corruption while using exceptions with a SEH-enabled
|
||
# toolchain: https://github.com/status-im/nimbus-eth2/issues/3121
|
||
switch("define", "nimRawSetjmp")
|
||
|
||
# https://github.com/status-im/nimbus-eth2/blob/stable/docs/cpu_features.md#ssse3-supplemental-sse3
|
||
# suggests that SHA256 hashing with SSSE3 is 20% faster than without SSSE3, so
|
||
# given its near-ubiquity in the x86 installed base, it renders a distribution
|
||
# build more viable on an overall broader range of hardware.
|
||
#
|
||
if defined(disableMarchNative):
|
||
if defined(i386) or defined(amd64):
|
||
if defined(macosx):
|
||
# macOS Big Sur is EOL as of 2023-11
|
||
# https://support.apple.com/en-us/HT212551
|
||
# "macOS Monterey is compatible with these computers" of which the
|
||
# oldest is "Mac Pro (Late 2013)". All have Haswell or newer CPUs.
|
||
#
|
||
# This ensures AVX2, AES-NI, PCLMUL, BMI1, and BMI2 instruction set support.
|
||
switch("passC", "-march=haswell -mtune=generic")
|
||
switch("passL", "-march=haswell -mtune=generic")
|
||
else:
|
||
if defined(marchOptimized):
|
||
# https://github.com/status-im/nimbus-eth2/blob/stable/docs/cpu_features.md#bmi2--adx
|
||
switch("passC", "-march=broadwell -mtune=generic")
|
||
switch("passL", "-march=broadwell -mtune=generic")
|
||
else:
|
||
switch("passC", "-mssse3")
|
||
switch("passL", "-mssse3")
|
||
elif defined(macosx) and defined(arm64):
|
||
# Apple's Clang can't handle "-march=native" on M1: https://github.com/status-im/nimbus-eth2/issues/2758
|
||
switch("passC", "-mcpu=apple-m1")
|
||
switch("passL", "-mcpu=apple-m1")
|
||
else:
|
||
switch("passC", "-march=native")
|
||
switch("passL", "-march=native")
|
||
if defined(windows):
|
||
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65782
|
||
# ("-fno-asynchronous-unwind-tables" breaks Nim's exception raising, sometimes)
|
||
switch("passC", "-mno-avx512f")
|
||
switch("passL", "-mno-avx512f")
|
||
|
||
# omitting frame pointers in nim breaks the GC
|
||
# https://github.com/nim-lang/Nim/issues/10625
|
||
switch("passC", "-fno-omit-frame-pointer")
|
||
switch("passL", "-fno-omit-frame-pointer")
|
||
|
||
--threads:on
|
||
--opt:speed
|
||
--mm:refc
|
||
--excessiveStackTrace:on
|
||
# enable metric collection
|
||
--define:metrics
|
||
--define:chronicles_line_numbers # These are disabled for release binaries
|
||
# for heap-usage-by-instance-type metrics and object base-type strings
|
||
--define:nimTypeNames
|
||
|
||
switch("define", "nim_compiler_path=" & currentDir & "env.sh nim")
|
||
switch("define", "withoutPCRE")
|
||
|
||
switch("import", "testutils/moduletests")
|
||
|
||
when not defined(disable_libbacktrace):
|
||
--define:nimStackTraceOverride
|
||
switch("import", "libbacktrace")
|
||
else:
|
||
--stacktrace:on
|
||
--linetrace:on
|
||
|
||
var canEnableDebuggingSymbols = true
|
||
if defined(macosx):
|
||
# The default open files limit is too low on macOS (512), breaking the
|
||
# "--debugger:native" build. It can be increased with `ulimit -n 1024`.
|
||
let openFilesLimitTarget = 1024
|
||
var openFilesLimit = 0
|
||
try:
|
||
openFilesLimit = staticExec("ulimit -n").strip(chars = Whitespace + Newlines).parseInt()
|
||
if openFilesLimit < openFilesLimitTarget:
|
||
echo "Open files limit too low to enable debugging symbols and lightweight stack traces."
|
||
echo "Increase it with \"ulimit -n " & $openFilesLimitTarget & "\""
|
||
canEnableDebuggingSymbols = false
|
||
except:
|
||
echo "ulimit error"
|
||
# We ignore this resource limit on Windows, where a default `ulimit -n` of 256
|
||
# in Git Bash is apparently ignored by the OS, and on Linux where the default of
|
||
# 1024 is good enough for us.
|
||
|
||
if canEnableDebuggingSymbols:
|
||
# add debugging symbols and original files and line numbers
|
||
--debugger:native
|
||
|
||
--define:nimOldCaseObjects # https://github.com/status-im/nim-confutils/issues/9
|
||
|
||
# `switch("warning[CaseTransition]", "off")` fails with "Error: invalid command line option: '--warning[CaseTransition]'"
|
||
switch("warning", "CaseTransition:off")
|
||
|
||
# The compiler doth protest too much, methinks, about all these cases where it can't
|
||
# do its (N)RVO pass: https://github.com/nim-lang/RFCs/issues/230
|
||
switch("warning", "ObservableStores:off")
|
||
|
||
# Too many false positives for "Warning: method has lock level <unknown>, but another method has 0 [LockLevel]"
|
||
switch("warning", "LockLevel:off")
|
||
|
||
# Too many right now to read compiler output. Warnings are legitimate, but
|
||
# should be fixed out-of-band of `unstable` branch.
|
||
switch("warning", "BareExcept:off")
|
||
|
||
# Too many of these because of Defect compat in 1.2
|
||
switch("hint", "XCannotRaiseY:off")
|
||
|
||
# Useful for Chronos metrics.
|
||
#--define:chronosFutureTracking
|
||
|
||
--define:kzgExternalBlst
|
||
|
||
# ############################################################
|
||
#
|
||
# No LTO for crypto
|
||
#
|
||
# ############################################################
|
||
|
||
# This applies per-file compiler flags to C files
|
||
# which do not support {.localPassC: "-fno-lto".}
|
||
# Unfortunately this is filename based instead of path-based
|
||
# Assumes GCC
|
||
|
||
# BLST
|
||
put("server.always", "-fno-lto")
|
||
put("assembly.always", "-fno-lto")
|
||
|
||
# Secp256k1
|
||
put("secp256k1.always", "-fno-lto")
|
||
|
||
# BearSSL - only RNGs
|
||
put("aesctr_drbg.always", "-fno-lto")
|
||
put("hmac_drbg.always", "-fno-lto")
|
||
put("sysrng.always", "-fno-lto")
|
||
|
||
# Miracl - only ECP to derive public key from private key
|
||
put("ecp_BLS12381.always", "-fno-lto")
|
||
|
||
# ############################################################
|
||
#
|
||
# Spurious warnings
|
||
#
|
||
# ############################################################
|
||
|
||
# sqlite3.c: In function ‘sqlite3SelectNew’:
|
||
# vendor/nim-sqlite3-abi/sqlite3.c:124500: warning: function may return address of local variable [-Wreturn-local-addr]
|
||
put("sqlite3.always", "-fno-lto") # -Wno-return-local-addr
|