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-rw-r--r--src/libstore/gc.cc11
-rw-r--r--src/libstore/local.mk3
2 files changed, 10 insertions, 4 deletions
diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc
index 0b03d61a789a..b6d462d2bffb 100644
--- a/src/libstore/gc.cc
+++ b/src/libstore/gc.cc
@@ -426,22 +426,27 @@ void LocalStore::findRuntimeRoots(PathSet & roots)
             throw SysError("iterating /proc");
     }
 
+#if !defined(__linux__)
     try {
-        auto lsofRegex = std::regex(R"(^n(/.*)$)");
+        printError("RUN LSOF %s", LSOF);
+        std::regex lsofRegex(R"(^n(/.*)$)");
         auto lsofLines =
-            tokenizeString<std::vector<string>>(runProgram("lsof", true, { "-n", "-w", "-F", "n" }), "\n");
+            tokenizeString<std::vector<string>>(runProgram(LSOF, true, { "-n", "-w", "-F", "n" }), "\n");
         for (const auto & line : lsofLines) {
-            auto match = std::smatch{};
+            std::smatch match;
             if (std::regex_match(line, match, lsofRegex))
                 paths.emplace(match[1]);
         }
     } catch (ExecError & e) {
         /* lsof not installed, lsof failed */
     }
+#endif
 
+#if defined(__linux__)
     readFileRoots("/proc/sys/kernel/modprobe", paths);
     readFileRoots("/proc/sys/kernel/fbsplash", paths);
     readFileRoots("/proc/sys/kernel/poweroff_cmd", paths);
+#endif
 
     for (auto & i : paths)
         if (isInStore(i)) {
diff --git a/src/libstore/local.mk b/src/libstore/local.mk
index 9d5c04dca0c5..4da20330cf3f 100644
--- a/src/libstore/local.mk
+++ b/src/libstore/local.mk
@@ -27,7 +27,8 @@ libstore_CXXFLAGS = \
  -DNIX_CONF_DIR=\"$(sysconfdir)/nix\" \
  -DNIX_LIBEXEC_DIR=\"$(libexecdir)\" \
  -DNIX_BIN_DIR=\"$(bindir)\" \
- -DBASH_PATH="\"$(bash)\""
+ -DBASH_PATH="\"$(bash)\"" \
+ -DLSOF=\"$(lsof)\"
 
 $(d)/local-store.cc: $(d)/schema.sql.hh