darwin.CF: workaround intermittent CFRuntime.c failures

Based on testing this issue seems to only occur with clang_7, so
we should be able to revert this when the default llvm versions are
updated.

Fixes #66811
This commit is contained in:
Daiderd Jordan 2019-11-17 14:55:00 +01:00
parent 27313767b8
commit 41ca86129f
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@ -63,10 +63,31 @@ stdenv.mkDerivation {
# I'm guessing at the version here. https://github.com/apple/swift-corelibs-foundation/commit/df3ec55fe6c162d590a7653d89ad669c2b9716b1 imported "high sierra"
# and this version is a version from there. No idea how accurate it is.
LDFLAGS = "-current_version 1454.90.0 -compatibility_version 150.0.0 -init ___CFInitialize";
configurePhase = "../configure release --sysroot UNUSED";
configurePhase = ''
../configure release --sysroot UNUSED
'';
enableParallelBuilding = true;
buildPhase = "ninja -j $NIX_BUILD_CORES";
# FIXME: Workaround for intermittent build failures of CFRuntime.c.
# Based on testing this issue seems to only occur with clang_7, so
# please remove this when updating the default llvm versions to 8 or
# later.
buildPhase = stdenv.lib.optionalString true ''
for i in {1..512}; do
if ninjaBuildPhase; then
break
fi
echo >&2
echo "[$i/512] retrying build, workaround for #66811" >&2
echo " With clang_7 the build of CFRuntime.c fails intermittently." >&2
echo " See https://github.com/NixOS/nixpkgs/issues/66811 for more details." >&2
echo >&2
continue
done
'';
# TODO: their build system sorta kinda can do this, but it doesn't seem to work right now
# Also, this includes a bunch of private headers in the framework, which is not what we want