Merge "Don't define __linux for all platforms."
diff --git a/make/asr/Makefile.defs b/make/asr/Makefile.defs
index 70d97d9..bb0dc01 100644
--- a/make/asr/Makefile.defs
+++ b/make/asr/Makefile.defs
@@ -889,7 +889,7 @@
 
 # OS specific defines
 ifeq ($(ASR_TARGET_OS),UNIX)
-ASR_GLOBAL_DEFINES += -DPOSIX -D__linux
+ASR_GLOBAL_DEFINES += -DPOSIX
 endif
 
 
diff --git a/portable/include/pendian.h b/portable/include/pendian.h
index f29b826..f9e722c 100644
--- a/portable/include/pendian.h
+++ b/portable/include/pendian.h
@@ -41,7 +41,7 @@
 #elif defined (__linux)
 /*	    */#include <endian.h>
 
-#elif defined(__FreeBSD__) || defined(_decunix_)
+#elif defined (__APPLE__) || defined(__FreeBSD__) || defined(_decunix_)
 /*	*/#include <machine/endian.h>
 
 #elif defined(__i386) || defined(_M_IX86)