From: Szabolcs Nagy <nsz@port70.net>
Date: Wed, 13 Aug 2014 15:07:44 +0000 (+0200)
Subject: fix #ifdef inside a macro argument list in __init_tls.c
X-Git-Tag: v1.1.5~68
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d86af2a0803cace7b0f616f2a696fb3e25e9b628;p=musl

fix #ifdef inside a macro argument list in __init_tls.c

C99 6.10.3p11 disallows such constructs
so use an #ifdef outside of the argument list of __syscall
---

diff --git a/src/env/__init_tls.c b/src/env/__init_tls.c
index 6cca9685..ddc2a736 100644
--- a/src/env/__init_tls.c
+++ b/src/env/__init_tls.c
@@ -91,12 +91,11 @@ void __init_tls(size_t *aux)
 	libc.tls_size = 2*sizeof(void *)+T.size+T.align+sizeof(struct pthread);
 
 	if (libc.tls_size > sizeof builtin_tls) {
+#ifndef SYS_mmap2
+#define SYS_mmap2 SYS_mmap
+#endif
 		mem = (void *)__syscall(
-#ifdef SYS_mmap2
 			SYS_mmap2,
-#else
-			SYS_mmap,
-#endif
 			0, libc.tls_size, PROT_READ|PROT_WRITE,
 			MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
 		/* -4095...-1 cast to void * will crash on dereference anyway,