unbreak build by honouring the HOSTCC/HOSTCFLAGS variables

Signed-off-by: Thorsten Glaser <tg@mirbsd.org>

target/tools/squashfs/Makefile

@@ -14,7 +14,7 @@ WRKDIST=		${WRKDIR}/$(PKG_NAME)${PKG_VERSION}
 include ../rules.mk
 
 $(WRKBUILD)/.compiled: ${WRKDIST}/.prepared
-	$(MAKE) -C $(WRKBUILD)/squashfs-tools
+	${MAKE} -C ${WRKBUILD}/squashfs-tools CC='${HOSTCC}'
 	touch $@
 
 ${STAGING_HOST_DIR}/bin/mksquashfs: $(WRKBUILD)/.compiled

target/tools/squashfs/patches/honour-cflags.patch

@@ -0,0 +1,11 @@
+--- squashfs4.0/squashfs-tools/Makefile~	Sun Apr  5 02:03:12 2009
++++ squashfs4.0/squashfs-tools/Makefile	Fri Jan  7 16:16:46 2011
+@@ -2,7 +2,7 @@ INSTALL_DIR = /usr/local/bin
+ 
+ INCLUDEDIR = .
+ 
+-CFLAGS := -I$(INCLUDEDIR) -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -O2
++CFLAGS := -I$(INCLUDEDIR) -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -O2 ${HOSTCFLAGS}
+ 
+ all: mksquashfs unsquashfs
+