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From: Peter Wemm <peter@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Cc: 
Subject: PERFORCE change 122620 for review
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http://perforce.freebsd.org/chv.cgi?CH=122620

Change 122620 by peter@peter_overcee on 2007/07/01 08:10:07

	multi-include protection.

Affected files ...

.. //depot/projects/hammer/include/Makefile#64 edit

Differences ...

==== //depot/projects/hammer/include/Makefile#64 (text+ko) ====

@@ -99,16 +99,19 @@
 	PARAMFILE=${.CURDIR}/../sys/sys/param.h; \
 	. ${.CURDIR}/../sys/conf/newvers.sh; \
 	echo "$$COPYRIGHT" > osreldate.h; \
-	echo "#include <sys/cdefs.h>" >> osreldate.h
 	echo "#ifdef _KERNEL" >> osreldate.h; \
 	echo "#error \"<osreldate.h> cannot be used in the kernel, use <sys/param.h>\"" >> osreldate.h; \
 	echo "#else" >> osreldate.h; \
+	echo "#ifndef _OSRELDATE_H" >> osreldate.h
+	echo "#define _OSRELDATE_H" >> osreldate.h
+	echo "#include <sys/cdefs.h>" >> osreldate.h
 	echo "#undef __FreeBSD_version" >> osreldate.h; \
 	echo "#define __FreeBSD_version $$RELDATE" >> osreldate.h; \
 	echo "__BEGIN_DECLS" >> osreldate.h
 	echo "extern int getosreldate(void);" >> osreldate.h
 	echo "__END_DECLS" >> osreldate.h
-	echo "#endif" >> osreldate.h
+	echo "#endif /* _OSRELDATE_H */" >> osreldate.h
+	echo "#endif /* _KERNEL */" >> osreldate.h
 
 .for i in ${LHDRS}
 INCSLINKS+=	sys/$i ${INCLUDEDIR}/$i