build: Fix linux 32-bit assembly config

This fixes a bug whereby 32-bit Linux builds would not be able to
use the assembly code as the try_compile command would fail when it
attempted to link with compiler flags

Change-Id: I6e4479fb7926169a7fa5c01876834cdae8c3b637

loader/CMakeLists.txt

@@ -111,13 +111,14 @@ if (WIN32)
     endif()
 else()
     enable_language(ASM-ATT)
-    set(CMAKE_ASM-ATT_FLAGS "${CMAKE_ASM-ATT_FLAGS} $ENV{ASFLAGS}")
-    set(CMAKE_ASM-ATT_FLAGS "${CMAKE_ASM-ATT_FLAGS} -I\"${CMAKE_CURRENT_BINARY_DIR}\"")
+    set(CMAKE_ASM-ATT_COMPILE_FLAGS "${CMAKE_ASM-ATT_COMPILE_FLAGS} $ENV{ASFLAGS}")
+    set(CMAKE_ASM-ATT_COMPILE_FLAGS "${CMAKE_ASM-ATT_COMPILE_FLAGS} -I\"${CMAKE_CURRENT_BINARY_DIR}\"")
 
     file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/asm_test.asm ".intel_syntax noprefix\n.text\n.global sample\nsample:\nmov ecx, [eax + 16]\n")
     try_compile(ASSEMBLER_WORKS ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR}/asm_test.asm)
     file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/asm_test.asm)
     if (ASSEMBLER_WORKS)
+        set(CMAKE_ASM-ATT_FLAGS "$ENV{ASFLAGS} -I\"${CMAKE_CURRENT_BINARY_DIR}\"")
         set(OPT_LOADER_SRCS ${OPT_LOADER_SRCS} unknown_ext_chain_gas.asm)
         add_executable(asm_offset asm_offset.c)
         add_dependencies(asm_offset generate_helper_files loader_gen_files)