Make inclusion of unistd.h conditional. It's

needed for ssize_t, at least on freebsd.

Rev: src/argp/ChangeLog:1.20
Rev: src/argp/argp-fmtstream.h:1.14

src/argp/ChangeLog

@@ -6,8 +6,8 @@
 	(OPT_HANG): Recognize this option only if getpid and sleep are
 	available.	
 
-	* argp-fmtstream.h: Deleted unistd.h inclusion; appearantly it's
-	not needed.
+	* argp-fmtstream.h: Make inclusion of unistd.h conditional. It's
+	needed for ssize_t, at least on freebsd.
 
 2004-03-01  Niels Mller  <niels@s3.kth.se>
 

src/argp/argp-fmtstream.h

@@ -29,6 +29,10 @@
 #include <stdio.h>
 #include <string.h>
 
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
 #if _LIBC || (defined (HAVE_FLOCKFILE) && defined(HAVE_PUTC_UNLOCKED) \
      && defined (HAVE_FPUTS_UNLOCKED) && defined (HAVE_FWRITE_UNLOCKED) )
 /* Use locking funxtions */