diff --git a/Makefile b/Makefile
index 63baafb..995d48e 100644
--- a/Makefile
+++ b/Makefile
@@ -56,7 +56,8 @@ KGSHA_LIB = $(KGSHA_BUILD_DIR)/lib$(KGSHA_LIB_NAME).a
 KGGHOST_LIB = $(KGGHOST_BUILD_DIR)/lib$(KGGHOST_LIB_NAME).a
 SPACEMAP_LIB = $(SPACEMAP_BUILD_DIR)/lib$(SPACEMAP_LIB_NAME).a
 
-BC_EXTRA_CFLAGS= -D_LARGE_FILES -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
+BC_EXTRA_CFLAGS= $(CFLAGS) -D_LARGE_FILES -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
+BC_EXTRA_LDFLAGS = $(LDFLAGS)
 
 #
 # commands
@@ -86,7 +87,7 @@ BCTOOL_OBJS =   container/linux/file.o \
                 src/bctool-rawlink.o
 
 BCTOOL_CFLAGS = $(BC_EXTRA_CFLAGS) -DBC_LINUX -Wall -I. -Icertificate/  
-BCTOOL_LDFLAGS = -L$(TARGET_DIR) -l$(KERN_LIB_NAME) -l$(KGSHA_LIB_NAME) \
+BCTOOL_LDFLAGS = $(BC_EXTRA_LDFLAGS) -L$(TARGET_DIR) -l$(KERN_LIB_NAME) -l$(KGSHA_LIB_NAME) \
                  -l$(KGGHOST_LIB_NAME) -l$(CERT_LIB_NAME) -l$(SPACEMAP_LIB_NAME) \
                  -ludev -lpthread -l$(FS_LIB_NAME)
 
@@ -101,7 +102,7 @@ $(shell mkdir -p $(TARGET_DIR)/kernel)
 #
 
 # default target builds console tool with modules
-all: Makefile helpers module bctool-app
+all: Makefile helpers bctool-app
 	true
 
 # GUI executable with helpers and console tool
@@ -216,7 +217,7 @@ module-clean: force-look
 #
 
 # install for default target
-install: module-install bctool-app-install helpers-install
+install: bctool-app-install helpers-install
 	true
 
 # uninstall for default target
@@ -224,6 +225,7 @@ uninstall: before-uninstall module-uninstall bctool-app-uninstall helpers-uninst
 	true
 
 helpers-install:
+	install -o root -m 755 -d $(PREFIX)/sbin
 	install -o root -m 4755 -s $(TARGET_DIR)/bcmount_helper      $(PREFIX)/sbin
 	install -o root -m 4755 -s $(TARGET_DIR)/bcumount_helper     $(PREFIX)/sbin
 	install -o root -m 4755 -s $(TARGET_DIR)/bcrrpart_helper     $(PREFIX)/sbin
@@ -247,7 +249,9 @@ before-uninstall: force-look
 
 # install for main executable only
 bctool-app-install: force-look
+	install -o root -m 755 -d $(PREFIX)/usr/bin
 	install -o root -m 0755 -s build/bctool             $(PREFIX)/usr/bin/
+	install -o root -m 755 -d $(PREFIX)/$(MAN_PATH)/man8
 	install -m 644 bctool.8                             $(PREFIX)/$(MAN_PATH)/man8/     
 
 # uninstall for main executable only