Merge pull request xrootd#1766 from barracuda156/darwin

xrootd: fix missing byteswap.h error on MacOS build with gcc
amadio · Nov 28, 2022 · 8e1e528 · 8e1e528
2 parents 3b87b99 + 1bcee03
commit 8e1e528
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/XrdOssCsi/XrdOssCsiTagstoreFile.hh b/src/XrdOssCsi/XrdOssCsiTagstoreFile.hh
@@ -37,7 +37,19 @@
 
 #include <memory>
 #include <mutex>
+
+#if defined(__GLIBC__) || defined(__BIONIC__) || defined(__CYGWIN__)
 #include <byteswap.h>
+#elif defined(__APPLE__)
+// Make sure that byte swap functions are not already defined.
+#if !defined(bswap_16)
+// Mac OS X / Darwin features
+#include <libkern/OSByteOrder.h>
+#define bswap_16(x) OSSwapInt16(x)
+#define bswap_32(x) OSSwapInt32(x)
+#define bswap_64(x) OSSwapInt64(x)
+#endif
+#endif
 
 class XrdOssCsiTagstoreFile : public XrdOssCsiTagstore
 {