compel: Build host program

The default compel binary is the one compiled for target architecture.
The compel-host one is compel compiled for current arch that is needed
to build something for target arch.

We could use default compel if target arch == current arch, but this
makes things more complex.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

compel/Makefile

@@ -19,5 +19,14 @@ obj-y			+= src/main.o
 CFLAGS_handle-elf-32.o += -UCONFIG_X86_64 -DCONFIG_X86_32
 CFLAGS_handle-elf-32.d += -UCONFIG_X86_64 -DCONFIG_X86_32
 
+host-ccflags-y		+= $(ccflags-y)
+
+hostprogs-y		+= compel-host
+compel-host-objs	:= $(patsubst %.o,%-host.o,$(obj-y) $(lib-y))
+
+HOSTCFLAGS_handle-elf-32-host.o += -UCONFIG_X86_64 -DCONFIG_X86_32
+HOSTCFLAGS_handle-elf-32-host.d += -UCONFIG_X86_64 -DCONFIG_X86_32
+
 cleanup-y		+= compel/compel
+cleanup-y		+= compel/compel-host
 cleanup-y		+= compel/libcompel.so

compel/arch/x86/src/lib/handle-elf-host.c

+handle-elf.c
\ No newline at end of file

compel/src/lib/handle-elf-32-host.c

+handle-elf-32.c
\ No newline at end of file

compel/src/lib/handle-elf-host.c

+handle-elf.c
\ No newline at end of file

compel/src/main-host.c

+main.c
\ No newline at end of file