$NetBSD: patch-Makefile,v 1.1 2013/03/16 19:41:36 jym Exp $

pkgsrc standards. SunOS fixes as per https://github.com/bumptech/stud/pull/71
--- Makefile.orig	2012-08-15 10:33:39.000000000 +0000
+++ Makefile
@@ -2,15 +2,25 @@
 #
 # USE_SHARED_CACHE   :   enable/disable a shared session cache (disabled by default)
 
-DESTDIR =
-PREFIX  = /usr/local
+DESTDIR?=
+PREFIX ?= @PREFIX@
 BINDIR  = $(PREFIX)/bin
-MANDIR  = $(PREFIX)/share/man
+MANDIR  = $(PREFIX)/$(PKGMANDIR)
 
-CFLAGS  = -O2 -g -std=c99 -fno-strict-aliasing -Wall -W -D_GNU_SOURCE -I/usr/local/include
-LDFLAGS = -lssl -lcrypto -lev -L/usr/local/lib
+CFLAGS += -O2 -g -std=c99 -fno-strict-aliasing -Wall -W -D_GNU_SOURCE -I$(PREFIX)/include
+LDFLAGS+= -lssl -lcrypto -lev -L$(PREFIX)/lib
 OBJS    = stud.o ringbuffer.o configuration.o
 
+UNAME := $(shell uname)
+
+ifeq ($(UNAME),SunOS)
+    # need __EXTENSIONS__ to get signal handling and getopt
+    CFLAGS += -D__EXTENSIONS__
+    LDFLAGS += -lnsl -lsocket
+else
+    CFLAGS += -DUSE_KEEPIDLE
+endif
+
 all: realall
 
 # Shared cache feature
@@ -40,10 +50,10 @@ stud: $(OBJS)
 	$(CC) -o $@ $^ $(LDFLAGS)
 
 install: $(ALL)
-	install -d $(DESTDIR)$(BINDIR)
-	install stud $(DESTDIR)$(BINDIR)
-	install -d $(DESTDIR)$(MANDIR)/man8
-	install -m 644 stud.8 $(DESTDIR)$(MANDIR)/man8
+	$(BSD_INSTALL_PROGRAM_DIR) $(DESTDIR)$(BINDIR)
+	$(BSD_INSTALL_PROGRAM) stud $(DESTDIR)$(BINDIR)
+	$(BSD_INSTALL_MAN_DIR) $(DESTDIR)$(MANDIR)/man8
+	$(BSD_INSTALL_MAN) stud.8 $(DESTDIR)$(MANDIR)/man8
 
 clean:
 	rm -f stud $(OBJS)