thread-optim: Fix a compiler warning.

* lib/thread-optim.h (IF_MT_DECL): Define differently.

diff --git a/ChangeLog b/ChangeLog
index 5c17b05cb27d0530dc9ae0b377c475dc37c75aac..380ca474e93cd2ea7e04914eede51142d0676e63 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2020-08-11  Bruno Haible  <bruno@clisp.org>
+
+       thread-optim: Fix a compiler warning.
+       * lib/thread-optim.h (IF_MT_DECL): Define differently.
+
 2020-08-11  Bruno Haible  <bruno@clisp.org>
 
        Use __restrict also on clang.

diff --git a/lib/thread-optim.h b/lib/thread-optim.h
index 5d9a499825979db0723cdcb8490cb187c21feac0..0cdcfeccd11745d8bc6b79d0b67d4261a635b99a 100644 (file)
--- a/lib/thread-optim.h
+++ b/lib/thread-optim.h
@@ -53,7 +53,7 @@
 # define IF_MT_DECL  char optimize_for_single_thread = __libc_single_threaded
 # define IF_MT       if (!optimize_for_single_thread)
 #else
-# define IF_MT_DECL  (void *)0
+# define IF_MT_DECL  (void)0
 # define IF_MT
 #endif