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config.nims
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config.nims
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include "build.nims"
import std/os
const currentDir = currentSourcePath()[0 .. ^(len("config.nims") + 1)]
when 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 existence checks with full absolute paths:
system.fileExists(currentDir & "nimbus-build-system.paths"):
include "nimbus-build-system.paths"
when defined(release):
switch("nimcache", joinPath(currentSourcePath.parentDir, "nimcache/release/$projectName"))
else:
switch("nimcache", joinPath(currentSourcePath.parentDir, "nimcache/debug/$projectName"))
when 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")
when defined(windows):
# https://github.com/nim-lang/Nim/pull/19891
switch("define", "nimRawSetjmp")
# 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")
# This helps especially for 32-bit x86, which sans SSE2 and newer instructions
# requires quite roundabout code generation for cryptography, and other 64-bit
# and larger arithmetic use cases, along with register starvation issues. When
# engineering a more portable binary release, this should be tweaked but still
# use at least -msse2 or -msse3.
when defined(disableMarchNative):
when defined(i386) or defined(amd64):
switch("passC", "-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-a14")
# TODO: newer Clang >=15.0 can: https://github.com/llvm/llvm-project/commit/fcca10c69aaab539962d10fcc59a5f074b73b0de
else:
switch("passC", "-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-avx512vl")
--tlsEmulation:off
--threads:on
--opt:speed
--excessiveStackTrace:on
# enable metric collection
--define:metrics
# for heap-usage-by-instance-type metrics and object base-type strings
--define:nimTypeNames
--styleCheck:usages
--styleCheck:error
--maxLoopIterationsVM:1000000000
--fieldChecks:on
--warningAsError:"ProveField:on"
when (NimMajor, NimMinor) >= (1, 4):
--warning:"ObservableStores:off"
--warning:"LockLevel:off"
--hint:"XCannotRaiseY:off"
when (NimMajor, NimMinor) >= (1, 6):
--warning:"DotLikeOps:off"
when (NimMajor, NimMinor, NimPatch) >= (1, 6, 11):
--warning:"BareExcept:off"
switch("define", "withoutPCRE")
# the default open files limit is too low on macOS (512), breaking the
# "--debugger:native" build. It can be increased with `ulimit -n 1024`.
if not defined(macosx):
# add debugging symbols and original files and line numbers
--debugger:native
if not (defined(windows) and defined(i386)) and not defined(disable_libbacktrace):
# light-weight stack traces using libbacktrace and libunwind
--define:nimStackTraceOverride
switch("import", "libbacktrace")
# `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")
switch("define", "libp2p_pki_schemes=secp256k1")
#TODO this infects everything in this folder, ideally it would only
# apply to codex.nim, but since codex.nims is used for other purpose
# we can't use it. And codex.cfg doesn't work
switch("define", "chronicles_sinks=textlines[dynamic],json[dynamic],textlines[dynamic]")
# Workaround for assembler incompatibility between constantine and secp256k1
switch("define", "use_asm_syntax_intel=false")
switch("define", "ctt_asm=false")
# Allow the use of old-style case objects for nim config compatibility
switch("define", "nimOldCaseObjects")
# Enable compat mode for Chronos V4
switch("define", "chronosHandleException")
# begin Nimble config (version 1)
when system.fileExists("nimble.paths"):
include "nimble.paths"
# end Nimble config