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Diffstat (limited to 'rts/posix/OSMem.c')
-rw-r--r--rts/posix/OSMem.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/rts/posix/OSMem.c b/rts/posix/OSMem.c
index dcf734f19d..cfacd65cdc 100644
--- a/rts/posix/OSMem.c
+++ b/rts/posix/OSMem.c
@@ -39,7 +39,7 @@
#include <errno.h>
-#if darwin_HOST_OS || ios_HOST_OS
+#if defined darwin_HOST_OS || defined ios_HOST_OS
#include <mach/mach.h>
#include <mach/vm_map.h>
#include <sys/sysctl.h>
@@ -114,7 +114,7 @@ my_mmap (void *addr, W_ size, int operation)
{
void *ret;
-#if darwin_HOST_OS
+#ifdef darwin_HOST_OS
// Without MAP_FIXED, Apple's mmap ignores addr.
// With MAP_FIXED, it overwrites already mapped regions, whic
// mmap(0, ... MAP_FIXED ...) is worst of all: It unmaps the program text
@@ -170,9 +170,9 @@ my_mmap (void *addr, W_ size, int operation)
else
flags = 0;
-#if hpux_HOST_OS
+#ifdef hpux_HOST_OS
ret = mmap(addr, size, prot, flags | MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
-#elif linux_HOST_OS
+#elif defined linux_HOST_OS
ret = mmap(addr, size, prot, flags | MAP_ANON | MAP_PRIVATE, -1, 0);
if (ret == (void *)-1 && errno == EPERM) {
// Linux may return EPERM if it tried to give us