nwaku/config.nims

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if defined(release):
switch("nimcache", "nimcache/release/$projectName")
else:
switch("nimcache", "nimcache/debug/$projectName")
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")
# 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 Catalina is EOL as of 2022-09
# https://support.apple.com/kb/sp833
# "macOS Big Sur - Technical Specifications" lists current oldest
# supported models: MacBook (2015 or later), MacBook Air (2013 or later),
# MacBook Pro (Late 2013 or later), Mac mini (2014 or later), iMac (2014
# or later), iMac Pro (2017 or later), Mac Pro (2013 or later).
#
# These 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:
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if not defined(android):
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")
--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
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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`.
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if not defined(macosx) and not defined(android):
# 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")
--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")
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# 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")
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if defined(android):
var clang = getEnv("ANDROID_COMPILER")
var ndk_home = getEnv("ANDROID_TOOLCHAIN_DIR")
var sysroot = ndk_home & "/sysroot"
var cincludes = sysroot & "/usr/include/" & getEnv("ANDROID_ARCH")
switch("clang.path", ndk_home & "/bin")
switch("clang.exe", clang)
switch("clang.linkerexe", clang)
switch("passC", "--sysroot=" & sysRoot)
switch("passL", "--sysroot=" & sysRoot)
switch("cincludes", sysRoot & "/usr/include/")