fixed compile error on some older macOS versions
diff --git a/xbyak/xbyak.h b/xbyak/xbyak.h
index 14ad87a..5d959e0 100644
--- a/xbyak/xbyak.h
+++ b/xbyak/xbyak.h
@@ -413,17 +413,17 @@
{
const size_t alignedSizeM1 = inner::ALIGN_PAGE_SIZE - 1;
size = (size + alignedSizeM1) & ~alignedSizeM1;
-#if defined(XBYAK_USE_MAP_JIT)
+#if defined(MAP_ANONYMOUS)
int mode = MAP_PRIVATE | MAP_ANONYMOUS;
- const int mojaveVersion = 18;
- if (util::getMacOsVersion() >= mojaveVersion) mode |= MAP_JIT;
-#elif defined(MAP_ANONYMOUS)
- const int mode = MAP_PRIVATE | MAP_ANONYMOUS;
#elif defined(MAP_ANON)
- const int mode = MAP_PRIVATE | MAP_ANON;
+ int mode = MAP_PRIVATE | MAP_ANON;
#else
#error "not supported"
#endif
+#if defined(XBYAK_USE_MAP_JIT)
+ const int mojaveVersion = 18;
+ if (util::getMacOsVersion() >= mojaveVersion) mode |= MAP_JIT;
+#endif
void *p = mmap(NULL, size, PROT_READ | PROT_WRITE, mode, -1, 0);
if (p == MAP_FAILED) XBYAK_THROW_RET(ERR_CANT_ALLOC, 0)
assert(p);
