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+?RCS: $Id: i_syssem.U 167 2013-05-08 17:58:00Z rmanfredi $
+?RCS: Copyright (c) 2012, Raphael Manfredi
+?RCS: You may redistribute only under the terms of the Artistic License,
+?RCS: as specified in the README file that comes with the distribution.
+?RCS: You may reuse parts of this distribution only within the terms of
+?RCS: that same Artistic License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
+?MAKE:i_syssem: Inhdr
+?MAKE: -pick add $@ %<
+?S: This variable conditionally defines the I_SYS_SEM symbol, and indicates
+?S: whether a C program should include <sys/sem.h> to be able to use SysV
+?S: semaphores.
+?C: This symbol, if defined, indicates to the C program that it should
+?C: include <sys/sem.h> to use SysV semaphores.
+?H:#$i_syssem I_SYS_SEM /**/
+?LINT:set i_syssem
+: see if this is a sys/sem system
+set sys/sem.h i_syssem
+eval $inhdr