From d450fbf63ef4308dbeb164d9999e0c09f9ec5c91 Mon Sep 17 00:00:00 2001
From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Date: Tue, 4 Feb 2025 09:02:48 +0000
Subject: [PATCH] Avoid `-Wundef` compiler warnings

---
 src/mp/util.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mp/util.cpp b/src/mp/util.cpp
index 7126df9..f96598e 100644
--- a/src/mp/util.cpp
+++ b/src/mp/util.cpp
@@ -19,7 +19,7 @@
 #include <thread>
 #include <unistd.h>
 
-#if __linux__
+#ifdef __linux__
 #include <syscall.h>
 #endif
 
@@ -59,7 +59,7 @@ std::string ThreadName(const char* exe_name)
 
     // Prefer platform specific thread ids over the standard C++11 ones because
     // the former are shorter and are the same as what gdb prints "LWP ...".
-#if __linux__
+#ifdef __linux__
     buffer << syscall(SYS_gettid);
 #elif defined(HAVE_PTHREAD_THREADID_NP)
     uint64_t tid = 0;