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-rw-r--r--misc/launchd/org.nixos.nix-daemon.plist.in5
-rw-r--r--package.nix4
-rw-r--r--src/libstore/globals.cc14
3 files changed, 13 insertions, 10 deletions
diff --git a/misc/launchd/org.nixos.nix-daemon.plist.in b/misc/launchd/org.nixos.nix-daemon.plist.in
index e1470cf99..664608305 100644
--- a/misc/launchd/org.nixos.nix-daemon.plist.in
+++ b/misc/launchd/org.nixos.nix-daemon.plist.in
@@ -2,11 +2,6 @@
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
- <key>EnvironmentVariables</key>
- <dict>
- <key>OBJC_DISABLE_INITIALIZE_FORK_SAFETY</key>
- <string>YES</string>
- </dict>
<key>Label</key>
<string>org.nixos.nix-daemon</string>
<key>KeepAlive</key>
diff --git a/package.nix b/package.nix
index 455e21135..af0a44fee 100644
--- a/package.nix
+++ b/package.nix
@@ -400,10 +400,6 @@ stdenv.mkDerivation (finalAttrs: {
mesonInstallCheckFlags = [ "--suite=installcheck" ];
- preInstallCheck = lib.optionalString stdenv.hostPlatform.isDarwin ''
- export OBJC_DISABLE_INITIALIZE_FORK_SAFETY=YES
- '';
-
installCheckPhase = lib.optionalString buildWithMeson ''
runHook preInstallCheck
flagsArray=($mesonInstallCheckFlags "''${mesonInstallCheckFlagsArray[@]}")
diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc
index b7397da1a..3308cad1f 100644
--- a/src/libstore/globals.cc
+++ b/src/libstore/globals.cc
@@ -25,6 +25,7 @@
#include "config-impl.hh"
#ifdef __APPLE__
+#include <curl/curl.h>
#include <sys/sysctl.h>
#endif
@@ -409,10 +410,21 @@ void initLibStore() {
preloadNSS();
+#if __APPLE__
+ /* Because of an objc quirk[1], calling curl_global_init for the first time
+ after fork() will always result in a crash.
+ Up until now the solution has been to set OBJC_DISABLE_INITIALIZE_FORK_SAFETY
+ for every nix process to ignore that error.
+ Instead of working around that error we address it at the core -
+ by calling curl_global_init here, which should mean curl will already
+ have been initialized by the time we try to do so in a forked process.
+
+ [1] https://github.com/apple-oss-distributions/objc4/blob/01edf1705fbc3ff78a423cd21e03dfc21eb4d780/runtime/objc-initialize.mm#L614-L636
+ */
+ curl_global_init(CURL_GLOBAL_ALL);
/* On macOS, don't use the per-session TMPDIR (as set e.g. by
sshd). This breaks build users because they don't have access
to the TMPDIR, in particular in ‘nix-store --serve’. */
-#if __APPLE__
if (getEnv("TMPDIR").value_or("/tmp").starts_with("/var/folders/"))
unsetenv("TMPDIR");
#endif