build-sys: uClibc does not have rpmatch()

Add simple replacement with hardcoded y/n responses to allow
compilation on systems without rpmatch().

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

include/Makefile.am

@@ -1,5 +1,6 @@
 dist_noinst_HEADERS = \
 	c.h \
 	nls.h \
+	rpmatch.h \
 	strutils.h \
 	xalloc.h

include/rpmatch.h

@@ -0,0 +1,9 @@
+#ifndef PROCPS_NG_RPMATCH_H
+#define PROCPS_NG_RPMATCH_H
+
+#ifndef HAVE_RPMATCH
+#define rpmatch(r) \
+	(*r == 'y' || *r == 'Y' ? 1 : *r == 'n' || *r == 'N' ? 0 : -1)
+#endif
+
+#endif /* PROCPS_NG_RPMATCH_H */

skill.c

@@ -44,6 +44,7 @@
 #include "proc/devname.h"
 #include "proc/procps.h"	/* char *user_from_uid(uid_t uid) */
 #include "proc/version.h"	/* procps_version */
+#include "rpmatch.h"
 
 #define DEFAULT_NICE 4