Allow install SCST in any location

Currently the install location of SCST is pretty much hard coded into 
the Makefiles to be /usr/local.

I am custom building a system for ZFS & SCST and I want to install in 
/usr instead of /usr/local.

Currently I am doing a “find . -name Makefile -exec sed -i 's:/usr/local:/usr:g'
{} \;” to accommodate this.

This patch fixes it.

From Sietse van Zanen <sietse@wizdom.nu>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4791 d57e44dd-8a1f-0410-8b47-8ef2f437770f

iscsi-scst/Makefile

@@ -5,19 +5,23 @@
 # removes any old dependencies. DON'T put your own dependencies here
 # unless it's something special (not a .c file).
 
+ifndef PREFIX
+        PREFIX=/usr/local
+endif
+
 SHELL=/bin/bash
 
 SUBDIRS := $(shell pwd)
 
 SCST_INC_DIR := $(shell if [ -e "$$PWD/../scst" ];			\
                   then echo "$$PWD/../scst/include";			\
-                  else echo "/usr/local/include/scst"; fi)
+                  else echo "$(PREFIX)/include/scst"; fi)
 SCST_DIR := $(shell if [ -e "$$PWD/../scst" ]; then echo "$$PWD/../scst/src"; \
-		else echo "/usr/local/include/scst"; fi)
-SBINDIR := /usr/local/sbin
+		else echo "$(PREFIX)/include/scst"; fi)
+SBINDIR := $(PREFIX)/sbin
 INITDIR := /etc/init.d
 RCDIR := /etc/rc.d
-MANDIR := /usr/local/man
+MANDIR := $(PREFIX)/man
 KMOD := $(shell pwd)/kernel
 INCDIR := $(shell pwd)/include
 

iscsi-scst/usr/Makefile

@@ -15,6 +15,10 @@
 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 #  GNU General Public License for more details.
 
+ifndef PREFIX
+        PREFIX=/usr/local
+endif
+
 SRCS_D = iscsid.c iscsi_scstd.c conn.c session.c target.c message.c ctldev.c \
 		log.c chap.c event.c param.c config.c isns.c md5.c sha1.c \
 		misc.c
@@ -24,7 +28,7 @@ SRCS_ADM = iscsi_adm.c param.c
 OBJS_ADM = $(SRCS_ADM:.c=.o)
 
 SCST_INC_DIR := ../../scst/include
-#SCST_INC_DIR := /usr/local/include/scst
+#SCST_INC_DIR := $(PREFIX)/include/scst
 
 CFLAGS += -O2 -fno-inline -Wall -Wextra -Wstrict-prototypes -Wno-sign-compare \
 	-Wimplicit-function-declaration -Wno-unused-parameter \