Fix compilation issues on MACOSX

Singed-off-by: Marc Hoffman <Marc.Hoffman@analog.com>
Signed-off-by: Aubrey Li <aubrey.adi@gmail.com>
diff --git a/tools/Makefile b/tools/Makefile
index 6177f90..5e26bd7 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -74,7 +74,7 @@
 ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
 HOST_CFLAGS = -traditional-cpp -Wall
 HOST_LDFLAGS =-multiply_defined suppress
-HOST_ENVIRO_CFLAGS = -traditional-cpp
+HOST_ENVIRO_CFLAGS =
 
 else
 ifeq ($(HOSTOS)-$(HOSTARCH),netbsd-ppc)
diff --git a/tools/mkimage.c b/tools/mkimage.c
index 416e658..2125130 100644
--- a/tools/mkimage.c
+++ b/tools/mkimage.c
@@ -446,7 +446,7 @@
 	}
 
 	/* We're a bit of paranoid */
-#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
+#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__)
 	(void) fdatasync (ifd);
 #else
 	(void) fsync (ifd);
@@ -496,7 +496,7 @@
 	(void) munmap((void *)ptr, sbuf.st_size);
 
 	/* We're a bit of paranoid */
-#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
+#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__)
 	(void) fdatasync (ifd);
 #else
 	(void) fsync (ifd);