From: Jonathan Wakely <jwakely@redhat.com>
Date: Thu, 17 Dec 2020 12:09:20 +0000 (+0000)
Subject: libstdc++: Fix preprocessor condition [PR 98344]
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8dc63f13f03facc49b777195c9068432477b5dcd;p=gcc.git

libstdc++: Fix preprocessor condition [PR 98344]

libstdc++-v3/ChangeLog:

	PR libstdc++/98344
	* include/bits/semaphore_base.h: Fix preprocessor condition.
---

diff --git a/libstdc++-v3/include/bits/semaphore_base.h b/libstdc++-v3/include/bits/semaphore_base.h
index e4e57de4acf..c796a77f3b1 100644
--- a/libstdc++-v3/include/bits/semaphore_base.h
+++ b/libstdc++-v3/include/bits/semaphore_base.h
@@ -276,7 +276,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
 // Note: the _GLIBCXX_REQUIRE_POSIX_SEMAPHORE macro can be used to force the
 // use of Posix semaphores (sem_t). Doing so however, alters the ABI.
-#ifdef _GLIBCXX_HAVE_LINUX_FUTEX && !_GLIBCXX_REQUIRE_POSIX_SEMAPHORE
+#if defined _GLIBCXX_HAVE_LINUX_FUTEX && !_GLIBCXX_REQUIRE_POSIX_SEMAPHORE
   // Use futex if available and didn't force use of POSIX
   using __fast_semaphore = __atomic_semaphore<__detail::__platform_wait_t>;
 #elif _GLIBCXX_HAVE_POSIX_SEMAPHORE