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Fix "Bad system call" running i686-linux binaries on x86_64-linux

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To determine which seccomp filters to install, we were incorrectly
using settings.thisSystem, which doesn't denote the actual system when
--system is used.

Fixes #2791.
This commit is contained in:
Eelco Dolstra 2019-05-03 10:44:32 +02:00
parent 989cb37777
commit f9a2ea4486
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3 changed files with 11 additions and 4 deletions
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3
src/libutil/util.cc
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@ -38,6 +38,9 @@ extern char * * environ;
namespace nix {
const std::string nativeSystem = SYSTEM;
BaseError & BaseError::addPrefix(const FormatOrString & fs)
{
prefix_ = fs.s + prefix_;

4
src/libutil/util.hh
View file

@ -30,6 +30,10 @@ struct Sink;
struct Source;
/* The system for which Nix is compiled. */
extern const std::string nativeSystem;
/* Return an environment variable. */
string getEnv(const string & key, const string & def = "");