Change-Id: Ic88fdb9d6c0f23a0b345c82852826a9c1abb8097
Set up your environment for building 32-bit targets:
```
+export ASFLAGS=--32
export CFLAGS=-m32
export CXXFLAGS=-m32
export PKG_CONFIG_LIBDIR=/usr/lib/i386-linux-gnu
if (CMAKE_ASM-ATT_COMPILER_WORKS)
set(OPT_LOADER_SRCS ${OPT_LOADER_SRCS} phys_dev_chain_gas.asm)
+ set(CMAKE_ASM-ATT_FLAGS "${CMAKE_ASM-ATT_FLAGS} $ENV{ASFLAGS}")
set(CMAKE_ASM-ATT_FLAGS "${CMAKE_ASM-ATT_FLAGS} -I${CMAKE_CURRENT_BINARY_DIR}")
add_executable(asm_offset asm_offset.c)
add_dependencies(asm_offset generate_helper_files loader_gen_files)